CN104570653A - Image formation device and control method for additional paper boxes - Google Patents

Abstract

The invention discloses an image formation device and a control method for additional paper boxes, and overcomes the defects in the prior art that the cost of an image formation device to which a plurality of selection devices can be additionally arranged is continuously increased with the incensement of the quantity of the additionally arranged selection devices, and the structure is more complex. The image formation device comprises a device body and the additional paper boxes, wherein a main body controller is arranged in the device body; a paper box controller is arranged in each additional paper box; the paper box controllers in all the additional paper boxes from a first layer to the last layer are connected with one another in a cascaded mode and connected with the main body controller; the main body controller is configured to synchronously control all the paper box controllers and carry out bidirectional data communication with the paper box controllers. The embodiment can accomplish complete communication and control between the device body and all the additional paper boxes through less circuit cost and device cost in a cascaded mode, reduces the hardware cost, and simplifies synchronous control and communication processes.

Description

A kind of image processing system and the control method to additional carton

Technical field

The present invention relates to a kind of definition technique, particularly relate to a kind of image processing system and the control method to additional carton.

Background technology

In the image processing system such as duplicating machine, printer, for storing the paper feeding cassette of print media such as paper etc., as the selecting arrangement of image forming device body, can be encased in image forming device body by the mode of setting up.

When image forming device body uses multiple paper feeding cassette, in view of the structure of image processing system, these paper feeding cassettes are set up in image forming device body mainly with stacked mode greatly.And image forming device body needs overlay order by paper feeding cassette to identify each paper feeding cassette such as ground floor, the second layer, to control these paper feeding cassettes exactly.Also namely, with the mode of setting up be superimposed with multiple mutually isostructural paper feeding cassette use time, image forming device body must identify the position residing separately to each paper feeding cassette.Briefly, image forming device body want can identify stacked in each paper feeding cassette be in which layer respectively.

In prior art, image forming device body connects more selecting arrangement (such as paper feeding cassette) by using more signal wire, and the radical of control signal wire becomes the integral multiple of attachable selecting arrangement quantity.When the number of connection of selecting arrangement is less, this processing mode also can not produce obvious drawback.If but when the linking number quantitative change of selecting arrangement is many, signal wire radical will be caused to increase, thus physical dimension change that is soaring and image processing system is large fast to cause cost.

In addition, prior art generally arranges the ID of paper feeding cassette manually.If user arranges different paper feeding cassettes have identical ID, then can cause the faulty operation of image processing system.

Chinese patent CN00136223.2 discloses image processing system and connects by use two I2C Serial Bus the paper feeding cassette set up.When connecting two-layer paper feeding cassette, increasing an ID line, by arranging a transducer on every layer of paper feeding cassette, ID line making the ID of two-layer carton be set to " 0 ", " 1 " respectively.When connection four layers of paper feeding cassette, by increasing by two ID lines, two ID lines that every layer of paper feeding cassette connects arrange transducer and OR-gate is set as " 10 ", " 00 ", " 11 ", " 01 " to make ground floor paper feeding cassette respectively to two ID of the 4th layer of paper feeding cassette.

On the other hand, Chinese patent CN00136223.2 also discloses the mode simply arranging paper feeding cassette ID.

But, along with the quantity of paper feeding cassette increases, above solution all needs constantly to increase extra ID line, transducer and DLC (digital logic circuit) etc., and this will cause the cost of image processing system constantly to rise, and the circuit of image forming device body also can be more complicated.

Summary of the invention

Technical matters to be solved by this invention is to overcome the image processing system deficiency that cost constantly rises and structure is more complicated along with the increasing number of the selecting arrangement that can set up can setting up multiple selecting arrangement in prior art.

In order to solve the problems of the technologies described above, embodiments of the invention provide firstly a kind of image processing system, comprise device body and can be installed at least one the additional carton in described device body, wherein: be provided with Body Controller in described device body; Be provided with carton controller in each additional carton, each carton controller is set to the operation of additional carton in described image processing system imaging process controlled belonging to self; After being connected in the mode of cascade from ground floor to the carton controller all additional carton of last one deck, be connected with described Body Controller; Described Body Controller is set to carry out synchro control to all carton controllers, and carries out two-way data communication with all carton controllers.

Preferably, in the carton controller in the additional carton of adjacent two layers, the carton controller in the additional carton of last layer is set to control the data communication between the carton controller in the additional carton of lower one deck and described Body Controller.

Preferably, the carton controller in the additional carton of described last layer includes signal controller; Described signal controller is set to provide switching signal and accesses the clock signal of described Body Controller transmission; And be set to the described clock signal that sends according to described switching signal and the described Body Controller that accesses, the described data communication between the carton controller in the additional carton of described lower one deck and described Body Controller is controlled; Wherein, described Body Controller is placed through and sends described clock signal to all carton controllers and carry out synchro control to all carton controllers.

Preferably, described signal controller in carton controller in the additional carton of described last layer, be set to the described clock signal sent with the described Body Controller accessed according to described switching signal, the described clock signal that described Body Controller sends to the carton controller in the additional carton of described lower one deck is controlled, thus the described data communication between the carton controller in the additional carton of described lower one deck and described Body Controller is controlled.

Preferably, described Body Controller is placed through and sends mark configuration-direct to all additional cartons layer by layer, for responding the corresponding mark of additional carton configuration of described mark configuration-direct; All additional cartons are pre-arranged as identical default mark, and in carton controller in the additional carton of adjacent two layers, the carton controller in the additional carton of last layer is pre-arranged the data communication be off between carton controller in the additional carton of lower one deck and described Body Controller; Wherein, described default mark is included in described mark configuration-direct.

Preferably, the additional carton identical with the described default mark comprised in described mark configuration-direct, after accepting the mark that described Body Controller configures, connects the data communication between carton controller in the additional carton of lower one deck and described Body Controller.

Preferably, in described device body, include carton identification circuit, in described carton identification circuit, be provided with voltage detecting point; Be provided with mark distributor circuit in each additional carton, each mark distributor circuit is provided with voltage access point and voltage detecting point; After being connected in the mode of cascade from ground floor to the mark distributor circuit all additional carton of last one deck, be connected with the voltage detecting point in described carton identification circuit; Described Body Controller is placed through the voltage on the described voltage detecting point in the described carton identification circuit of detection, obtains the quantity of all additional cartons, and is each additional carton configuration identifier according to the quantity of all additional cartons.

Preferably, in the mark distributor circuit in the additional carton of adjacent two layers, the voltage detecting point of the mark distributor circuit in the additional carton of last layer, is connected with the voltage access point of the mark distributor circuit in the additional carton of lower one deck.

Preferably, the voltage on the quantity of all additional carton that the carton controller in each additional carton is broadcasted according to described Body Controller and the voltage detecting point of the mark distributor circuit of self, obtains the mark of self.

Embodiments of the invention additionally provide a kind of control method to additional carton, at least one additional carton is arranged in the device body of image processing system, after being connected in the mode of cascade from ground floor to all additional carton of last one deck, be connected with described device body; In the additional carton of adjacent two layers, the additional carton of last layer controls the data communication between the additional carton of lower one deck and described device body; Wherein, described method comprises: the additional carton of described last layer provides switching signal, and accesses the clock signal of described device body transmission; The described clock signal that the additional carton of described last layer sends with the described device body accessed according to described switching signal, controls the described data communication between the additional carton of described lower one deck and described device body; Wherein, described device body is placed through and sends described clock signal to all additional cartons and carry out synchro control to all additional cartons.

Preferably, the described clock signal that the additional carton of described last layer sends with the described device body accessed according to described switching signal, the described clock signal that described device body sends to the additional carton of described lower one deck is controlled, thus the described data communication between the additional carton of described lower one deck and described device body is controlled.

Preferably, described device body is placed through and sends mark configuration-direct to all additional cartons layer by layer, for responding the corresponding mark of additional carton configuration of described mark configuration-direct; All additional cartons are pre-arranged as identical default mark, and in the additional carton of adjacent two layers, the additional carton of last layer is pre-arranged the data communication be off between the additional carton of lower one deck and described device body; Wherein, described default mark is included in described mark configuration-direct.

Preferably, the additional carton identical with the described default mark comprised in described mark configuration-direct, after accepting the mark that described device body configures, connects the data communication between the additional carton of lower one deck and described device body.

Present invention also offers a kind of control method to additional carton, at least one additional carton is arranged in the device body of image processing system, after being connected, is connected with described device body from ground floor to all additional carton of last one deck in the mode of cascade; Voltage detecting point is provided with in described device body; Be provided with voltage access point and voltage detecting point in each additional carton, after being connected in the mode of cascade to all additional carton of last one deck from ground floor, be connected with the voltage detecting point in described device body; Wherein, described method comprises: described device body, by detecting the voltage on self voltage detecting point described, obtains the quantity of all additional cartons, and is each additional carton configuration identifier according to the quantity of all additional cartons.

Preferably, the voltage on the quantity of described all additional cartons that each additional carton is broadcasted according to described device body and the voltage detecting of self point, obtains the mark of self.

Compared with prior art, embodiments of the invention, by the mode of cascade, only need less line cost and device cost, just can carry out complete communication and control between device body and each additional carton, save hardware cost, simplify the process of synchro control and communication.Some embodiments of the present invention, the quantity of all additional cartons just can be known by the mode of tabling look-up, and know the mark of each additional carton simply, each additional carton is according to the voltage on voltage detecting point in the quantity of all additional cartons and therein bleeder circuit, just can obtain rapidly the mark of self, make the communication between device body and all additional cartons and synchro control succinctly efficient, hardware cost is also lower, the expansion of convenient additional carton.Embodiments of the invention, be particularly useful for the use scenes that device body can load a large amount of additional carton, cost-saving advantage is more obvious.

Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing technical scheme of the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and/or flow process and obtain.

Accompanying drawing explanation

Accompanying drawing is used to provide the further understanding to technical scheme of the present invention or prior art, and forms a part for instructions.Wherein, express the accompanying drawing of the embodiment of the present invention together with embodiments of the present invention for explaining technical scheme of the present invention, but do not form the restriction to technical solution of the present invention.

Fig. 1 is the module structure schematic diagram of printer of the present invention.

Fig. 2 is the organigram of image formation unit in image processing system of the present invention etc.

Fig. 3 is the printer body of one embodiment of the invention and the electrical connection schematic diagram of additional carton.

Fig. 4 is the schematic flow sheet of the carton ID method to set up of one embodiment of the invention.

Fig. 5 is the initialize flow schematic diagram that in one embodiment of the invention, additional carton performs.

Fig. 6 is that one embodiment of the invention receive the flow process signal automatically selecting carton print job.

Fig. 7 is the electrical connection schematic diagram of printer body and additional carton in another embodiment of the present invention.

Fig. 8 A, 8B, 8C, 8D and 8E are respectively the schematic equivalent circuit of the simplification that printer body and additional carton are electrically connected in another embodiment of the present invention.

Fig. 9 A is the schematic flow sheet of the control method to additional carton of one embodiment of the invention.

The schematic flow sheet of carton is identified when Fig. 9 B is printer body power-up initializing in another embodiment of the present invention.

Figure 10 is when in another embodiment of the present invention, the identification of printer body power-up initializing adds carton, the initialize flow schematic diagram of the carton controller in additional carton.

Embodiment

Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure reaching relevant art effect can fully understand and implement according to this.Each feature in the embodiment of the present invention and embodiment, can be combined with each other under prerequisite of not conflicting mutually, the technical scheme formed is all within protection scope of the present invention.

The step that the method for the embodiments of the invention shown by accompanying drawing comprises can perform in the computer system of such as one group of computer executable instructions.Further, although the method for embodiments of the invention shows logical order in flow charts, in some cases, the method for embodiments of the invention also can be different from the step shown or described by order shown in the drawings execution.

Image processing system of the present invention is for printer.It will be apparent to those skilled in the art that the image processing systems such as duplicating machine are equally applicable to technical scheme of the present invention.

Fig. 1 shows the module frame chart of printer.

As shown in Figure 1, the additional carton 11,12 that printer includes a printer body 100 and can add, the present invention is referred to as additional carton.Printer body 100 can image printing on the recording medium.Typically, recording medium can be such as the working of plastics etc. of paper or sheet.Recording medium of the present invention is for paper.This additional carton 11,12 is arranged on the lower floor of printer body 100 successively as selectable device, and for depositing paper.

As shown in Figure 1, printer body 100 comprises main control unit 30, display operating unit 31, image storage unit 32, image formation unit 33 and detecting unit 34 etc.

Display operating unit 31 provides some hardware button.Such as, display operating unit 31 can comprise some power keys, start/stop key, Menu key and other operation push-buttons, the operation of user can be received and output function signal to main control unit 30.Display operating unit 31 can also comprise display screen, according to the Signal aspects image received from main control unit 30 or character.

Image storage unit 32 can be semiconductor memory or hard disk drive.Image storage unit 32 can store the view data that main control unit 30 receives from external device (ED) 50.Image storage unit 32 can also according to the control signal of main control unit 30, and the view data that reading stores also outputs to image formation unit 33.

Image formation unit 33, for the control signal according to main control unit 30, based on the view data inputted from image storage unit 32, paper forms the carbon powder image corresponding to view data.

Detecting unit 34 is for carrying out state-detection to printer body 100, obtain corresponding status information, the such as current paperboard of printer body 100 then can detect jam error information, have during paper and can be tested with paper information in the paper feeding cassette of and for example printer body 100, do not have can detect without paper information during paper in the paper feeding cassette of printer body 100 for another example, etc.Detecting unit 34 is sent to main control unit 30 the status information detected.Main control unit 30 controls the operation of image formation unit 33 according to the status information that detecting unit 34 detects.

Detecting unit 34 can also be sent to the status information detected display operating unit 31 and show, and reminds or provides various reference information for the use of user, improve the experience of user to user.

Additional carton 11 ~ 12, respectively includes carton control module 40 and paper feeding unit 41.Carton control module 40 controls each operation of carton, as carton control module 40 receives the paper feed instruction of main control unit 30, controls paper feeding unit 41 and performs paper feed operation etc.Paper feeding unit 41 is mainly used to perform paper feed operation.

The mechanical realization signal of image formation unit 33 as shown in Figure 2, mainly includes standard carton 10, discharges carton 21, transports part 60, imaging moiety 80 and fixation part 90 etc.

Standard carton 10 for depositing paper (or other recording mediums), and sheet carrying to imaging moiety 80.Standard carton 10 comprises a paper memory storage 10-3 for stacking paper.Intake roller 10-1 is used for transporting paper one by one from paper memory storage 10-3 and enters carrying roller 60A, 60B.Whether paper has paper to exist with or without detecting sensor 10-2 for detecting paper memory storage 10-3.

Conveyance part 60 to be mainly used in printer body 100 transport of sheets of paper on transport path 100a, the sheet carrying entered from standard carton 10 or additional carton 11,12 to imaging moiety 80, and the paper after imaging is discharged carton 21 through after 90s being discharged to of fixation part.

Conveyance carrying roller 60A, 60B, 60C, 60D and 60F etc. included by part 60 are positioned on transport path 100a.Conveyance part 60 in part carrying roller 60A, 60B and 60C etc. for the sheet conveying entered from standard carton 10 or additional carton 11,12 to imaging moiety 80.Other carrying roller 60D etc. in conveyance part 60 for the sheet carrying after imaging to fixation part 90.Distributing roller 60F is used for the paper after fixing to be discharged to discharge carton 21.

Conveyance part 60 can also comprise a double surface unit 61 and a reverse rollers 60E.Double surface unit 61 comprises multiple carrying roller 61A, 61B and 61C etc. on reverse transport path 100b.When printer body 100 is duplex printing operation from the print job that external device (ED) 50 receives, for forming carbon powder image and through fixation unit paper after 90s at first surface, based on the rubbing action of reverse rollers 60E, the rear end of this paper is transported to double surface unit 61 as front end, conveyance through carrying roller 61A, 61B, 61C enters into transport path 100a again from reverse transport path 100b, to carry out imaging to the second face of this paper.

Imaging moiety 80 is for forming carbon powder image at the paper transported from standard carton 10 (or additional ground floor add carton 11 and the second layer add any one of carton 12).This imaging moiety 80 comprises photosensitive drums 80D (OPC), charhing unit 80E (CR), exposing unit 80F (LSU), developing cell 81 and transfer roll 80A (TR) etc.

Photosensitive drums 80D is the cylindrical light receptor that image to be printed can be formed in the above electrostatic latent image and conveyance development carbon powder image.Charhing unit 80E charges to the surface of photosensitive drums 80D is unified with predetermined potential.The charging surface that exposing unit 80F irradiates photosensitive drums 80D with laser forms an electrostatic latent image on photosensitive drums 80D surface.

Developing cell 81 stores carbon dust (or other image forming mediums), provides carbon dust to arrive photosensitive drums 80D surface, to carry out development formation carbon powder image on photosensitive drums 80D surface.

Developing cell 81 mainly includes developer roll 80B (DR) and powder feeding roller 80C (SR) etc.Powder feeding roller 80C is provided to developer roll 80B the carbon dust stored.Developer roll 80B provides carbon dust to arrive photosensitive drums 80D surface.

The transfer printing high pressure of a negative pole is provided to transfer roll 80A, and the carbon powder image that photosensitive drums 80D is formed that acts on according to this transfer printing high pressure is transferred on the paper that passes through.

Fixation part 90 includes warm-up mill 90B (FR) and backer roll 90A (PR) etc.Warm-up mill 90B is provided with well heater, and backer roll 90A extrudes warm-up mill 90B.

Paper after fixation part 90 pairs of transfer printing carbon powder image is sent to and heats between warm-up mill 90B and backer roll 90A and pressurize, to carry out fixing to the carbon powder image on paper.The surface of warm-up mill 90B and backer roll 90A is carried out charging with negative polarity and is rubbed with paper.

Discharge carton 21 for storing the paper of discharging after fixing from fixation unit 90.

Printer body 100 can also comprise manual paper feeding box 20.

Manual paper feeding box 20 includes the paper memory storage 20-3 for stacking paper, for transporting the intake roller 20-1 that paper enters carrying roller 60C from paper memory storage 20-3 one by one, and for detecting paper that whether paper memory storage 20-3 have paper to exist with or without detecting sensor 20-2.

Printer body 100 of the present invention can also connect multiple additional carton.For structure shown in Fig. 2, printer body 100 is also connected to ground floor in the lower floor of standard carton 10 and adds carton 11 and the second layer adds carton 12.Ground floor adds carton 11, the second layer adds the paper that carton 12 can store different size separately, and paper is sent to imaging moiety 80.

Ground floor adds carton 11 and comprises paper memory storage 11-3 for stacking paper, for transporting the intake roller 11-1 that paper enters carrying roller 11-4A and 11-4B from paper memory storage 11-3 one by one, and for detecting paper that whether paper memory storage 11-3 have paper to exist with or without detecting sensor 11-2.

The second layer adds carton 12 and comprises paper memory storage 12-3 for stacking paper, for transporting the intake roller 12-1 that paper enters carrying roller 12-4A and 12-4B from paper memory storage 12-3 one by one, and for detecting paper that whether paper memory storage 12-3 have paper to exist with or without detecting sensor 12-2.

Add paper storage unit 11-3,12-3, intake roller 11-1,12-1 in carton, paper all can as the mechanical component part of paper feeding unit 41 with or without detecting sensor 11-2,12-2 etc.

Those skilled in the art will appreciate that this paper needs the conveyance of all cartons on by the carton belonging to it when paper enters introducing printer body from the additional carton be positioned at below standard carton.When additional carton has plural, paper in the carton of attached orlop (also namely the second layer) from top to bottom, need the carton all through top, comprise all additional carton (ground floor from top to bottom adds carton) and the standard carton of top, just can be introduced in printer body.Such as, please refer to Fig. 2, the paper in the second additional carton 12, needs the conveyance adding carton 11 through ground floor, can enter into printer body 100.

By the above-mentioned description to printer module and image processing system structure, an embodiment of image processing system of the present invention, comprises device body and can be installed at least one the additional carton in device body.Such as this image processing system of printer, device body corresponds to printer body.Be provided with Body Controller in device body, in each additional carton, be also provided with carton controller.Each carton controller is set to the operation of additional carton in image processing system imaging process controlled belonging to self.From ground floor to the carton controller all additional carton of last one deck, after being connected in the mode of cascade, then be connected with Body Controller.Body Controller is set to carry out synchro control to all carton controllers, and carries out two-way data communication with all carton controllers.

Fig. 3 is the schematic diagram of the signal wiring of printer body and additional carton in one embodiment of the invention.

It should be noted that, one embodiment of the invention can be installed two additional cartons for printer body 100 and are described, but and do not mean that the carton quantity that printer body can be installed is confined to two.Based on technological thought of the present invention, as long as equipment and use occasion allow, can add carton can have more, with the needs under satisfied different use scenes.

As shown in Figure 3, the Body Controller 101 be arranged in printer body 100 is communicated with the carton controller 102,103 in each additional carton by two control lines, is connected with the additional carton of the superiors in all additional cartons by an out connector 101-1.

Article two, in control line, a control line is clock line L_SCK, for transmitting the clock signal that exports from the clock interface (SCK) of Body Controller 101 to the clock interface (SCK) of each carton controller, make each carton controller 102,103 of Body Controller 101 synchro control.

Article two, another control line in control line is data line L_SDA, for Body Controller 101 by carrying out two-way data communication between data-interface (SDA) and each carton controller 102,103.Each carton controller 102,103 is respectively by respective data-interface (SDA) connection data line L_SDA.

Body Controller 101 can pass through SDA interface output order, the SDA interface of each carton controller 102,103 is sent to, the information that the SDA interface that simultaneously can receive each carton controller 102,103 by data line L_SDA returns through data line L_SDA.

Each additional carton has included carton controller (102,103), input connector (102-1,103-1), out connector (102-2,103-2), and signal controller etc.As shown in Figure 3, in one embodiment of the invention, this signal controller is DLC (digital logic circuit) 102-3,103-3.

Carton controller 102,103 in additional carton, the various operations of the additional carton 11,12 belonging to controlling separately, such as control paper feed operation etc.

In the additional carton of adjacent two layers, the out connector of the additional carton of last layer is corresponding with the input connector of the additional carton of lower one deck to be connected.Also be the clock interface of the out connector of the additional carton of last layer, be connected with the clock interface in the input connector of the additional carton of lower one deck; The data-interface of the out connector of the additional carton of last layer, is connected with the data-interface in the input connector of the additional carton of lower one deck.Than the out connector 102-2 of the additional carton of ground floor as shown in Figure 3, be connected with the input connector 103-1 of the additional carton of the second layer.

The input connector of the additional carton of the superiors, is connected with the out connector in printer body.Than the input connector 102-1 of the additional carton of ground floor as shown in Figure 3, be connected with the out connector 101-1 in printer body.

For an additional carton, the first input end of DLC (digital logic circuit) is connected on the clock line L_SCK at SCK interface place of carton controller, second input end connects on the I1 interface of carton controller, and output terminal is connected on the clock line L_SCK of out connector.In other words, the first input end of DLC (digital logic circuit) is connected on the clock interface of carton controller, and output terminal is connected on the clock interface of out connector.

In the additional carton of adjacent two layers, the signal controller in the carton controller in the additional carton of last layer, be set to provide switching signal (signal namely aforementioned I1 interface provided) and access Body Controller send clock signal.And the signal controller in carton controller in the additional carton of last layer is also set to, according to this switching signal and the clock signal that accesses, control the data communication between the carton controller in the additional carton of lower one deck and Body Controller.Body Controller is placed through to all carton controller tranmitting data register signals, carries out synchro control to all carton controllers.

Particularly, in the additional carton of adjacent two layers, signal controller in carton controller in the additional carton of last layer, be set to the clock signal sent with the Body Controller accessed according to this switching signal, the clock signal that carton controller in the additional carton of the downward one deck of Body Controller sends is controlled, thus the data communication between the carton controller in the additional carton of lower one deck and Body Controller is controlled.

Here signal controller can be AND gate or NOT-AND gate DLC (digital logic circuit).Certainly, those of ordinary skill in the art can be expressly understood, this signal controller other can also can realize the various electronic devices and components of the function of above-mentioned signal controller for triode etc.

Adjacent two layers adds the carton controller in the additional carton of last layer in carton, mainly through exporting a low level at interface I1, the signal that by this DLC (digital logic circuit), lower one deck can be added the clock line L_SCK of carton is dragged down, reach and close the clock control effect that lower one deck adds carton, make Body Controller 101 cannot export any instruction and add carton to lower one deck, thus lower one deck adds carton and other all additional carton of below all cannot carry out data communication with Body Controller 101.Therefore this DLC (digital logic circuit) has and controls the effect that carton controller in all additional carton that its place adds under carton and Body Controller carry out data communication mutually, contains and controls the data communication between the carton controller in the additional carton of lower one deck and Body Controller.

Such as, in embodiment shown in Fig. 3, the input end connection ground floor that ground floor adds the DLC (digital logic circuit) 102-3 of carton adds on the clock line L_SCK at SCK interface place of the carton controller 102 of carton, another input end connects ground floor and adds on the I1 interface of the carton controller of carton, and output terminal is connected to ground floor and adds on the clock line L_SCK of the out connector 102-2 of carton.

The carton controller 102,103 that the Body Controller 101 of the present embodiment can add carton by data line L_SDA to each layer sends various instruction, as paper feed instruction, receive by data line L_SDA the status information that carton controller 102,103 that each layer adds carton returns simultaneously, as scarce paper information, paperboard information, motor are made mistakes.

In one embodiment of the invention, Body Controller is also placed through and sends mark configuration-direct to all additional cartons layer by layer, and is the corresponding mark of additional carton configuration (also can think can be used for carrying out communicating and form effective address distinguished in other additional cartons) of this mark configuration-direct of response.All additional cartons are pre-arranged as identical default mark, and in carton controller in the additional carton of adjacent two layers, the carton controller in the additional carton of last layer is pre-arranged the data communication be off between carton controller in the additional carton of lower one deck and Body Controller.In the mark configuration-direct that Body Controller sends, include described default mark.Like this, first Body Controller can send mark configuration-direct to the additional carton of ground floor, because the additional carton of ground floor is disconnected the data communication between carton controller in the additional carton of the second layer and Body Controller, and the default mark of carrying in the mark configuration-direct of Body Controller transmission, identical with the default mark of the additional carton of ground floor, therefore the additional carton of ground floor can receive this mark configuration-direct.After the additional carton of ground floor receives this mark configuration-direct, can communicate with Body Controller according to this mark configuration-direct, accept Body Controller to self configuration identifier.The additional carton of ground floor the mark that configures by Body Controller, be different from the default mark that the additional carton of ground floor is previous.

Accept Body Controller to self configuration identifier after, the additional carton of ground floor also can connect the data communication between carton controller in the additional carton of the second layer and Body Controller.Body Controller, after the additional carton configuration identifier to ground floor, can continue again to send mark configuration-direct to the additional carton of ground floor, still carry and preset mark in this mark configuration-direct.After the additional carton of ground floor receives this mark configuration-direct, because of self mark from this preset identify different, therefore can know that this mark configuration-direct is not send to oneself, and the carton controller of the additional carton of the second layer has been connected and data communication between Body Controller, therefore the additional carton of the second layer receives and after responding this mark configuration-direct, will communicate with Body Controller according to this mark configuration-direct, accept Body Controller to self configuration identifier.The additional carton of the second layer the mark that configures by Body Controller, be different from the default mark that the additional carton of the second layer is previous, be also different from the mark that the additional carton of ground floor is current.By that analogy, Body Controller can be all additional carton configuration identifiers.

As shown in Figure 4, one embodiment of the invention are the process of additional carton configuration identifier (ID), and mainly when printer body 100 powers on, initialization carton also identifies carton.

Step 401, Body Controller 101 arranges the initial ID of carton, as made ID=1.

Step 402, Body Controller 101 (or also can be referred to as preset address to mark (or being referred to as address) for presetting mark, such as 0x00) carton controller send the instruction of configuration carton ID, this instruction comprises the ID of carton.

Be specially Body Controller 101 and export configuration carton ID instruction by SDA interface, and transmit this instruction to the carton controller being designated 0x00 by data line L_SDA, and pass through clock line L_SCK clock signal synchronization to this carton controller.

Step 403, judges the response whether receiving carton in the schedule time.

Whether the SDA interface being specially Body Controller 101 receives response message in the given time, if not, enters into step 405.If had, enter into step 404.

Step 404, Body Controller 101 adds 1 as front loading paper feeding cassette ID, returns step 402.

Step 405, the number of the carton of statistics configuration successful, as the box number of carton.

Be specially, if Body Controller 101 does not receive the response of carton, such as, circulation performs step 402 to step 404, send configuration carton ID instruction as ID=3, in the schedule time, Body Controller 101 does not receive response message, represents that the carton number connected only has 2.

As shown in Figure 5, the additional carton execution initialize flow of one embodiment of the invention is as follows.

Step 501, the hardware module of initialization carton.

Be specially, in the I1 port output low level of each carton controller 102,103, the clock signal making lower one deck add carton turns off.

Step 502, the ID (being also address) of each carton controller configuration self is for presetting mark (0x00).

Step 503, judges whether the instruction receiving configuration carton ID.

Be specially the instruction that carton controller 102,103 determines whether to receive at port SDA configuration carton ID, if do not had, then repeat the judgement of step 503 always; If had, enter step 504.

Step 504, carton controller configures the true identity of self according to the carton ID in the instruction received, and enters into step 505.

Step 505, opens next stage clock lane.

Be specially, the I1 port of carton controller exports high level, by the effect of DLC (digital logic circuit), the clock signal that the SCK port accepts making lower one deck add carton controller exports to the SCK port of Body Controller 101, so that the instruction of the configuration carton ID that Body Controller 101 sends can be received, carton is added to lower one deck and performs the operation distributing ID.

When last layer adds after carton configures self ID, then can open the clock signal that lower one deck adds carton.When receiving configuration carton ID instruction subsequently, because the mark of self has not been 0x00, then last layer carton controller can ignore this configuration carton ID instruction, and the carton controller being only designated 0x00 just can respond this configuration carton ID instruction.The present invention is not limited to the carton controller just meeting configuration ID being only designated 0x00, also can be set as other predetermined marks.

The circuit communicated between the Body Controller 101 of one embodiment of the invention and the carton controller 102,103 in each additional carton is not limited to above-described embodiment, the SDA interface of Body Controller 101 can also be made to become receiving interface, data line L_SDA line becomes the reception line of one-way communication, for receiving information from carton controller 102,103; And the SCK interface of Body Controller 101 is become output interface, clock line L_SCK becomes the output line of one-way communication, for sending command information to carton controller 102,103.The SDA interface of carton controller 102,103 becomes output interface, the SCK interface of carton controller 102,103 becomes input interface, any instruction that the output interface of Body Controller 101 is exported is sent to the input interface of carton controller 102,103 by output line, the information that carton controller 102,103 output interface returns can receive with crossing the input interface that line is sent to Body Controller 101, and other remain unchanged.During the interface I1 output low level of carton controller 102,103, the instruction that control figure logical circuit 102-3,103-3 make Body Controller 101 output interface export can not arrive the input interface of lower one deck carton controller.

The printer body 100 simply introducing one embodiment of the invention below performs operating process during print job, automatically selects carton print job to perform.

As shown in Figure 6, the present invention is when receiving selection carton print job (step 600) automatically from external device (ED) 50, printer body 100 performs following operating process according to automatically selecting the instruction of carton in print job.

Step 601, judges whether manual paper feeding box 20 does not exist paper.

Being specially the information that main control unit 30 returns with or without detecting sensor 20-2 as paper according to detecting unit 34 to judge, entering step 605 when judging that manual paper feeding box 20 lacks paper, otherwise, enter step 602.

Step 602, main control unit 30 is defined as paper feed carton manual input tray 20, enters into step 603 imaging operation that to perform with manual paper feeding box 20 be paper source.

Step 603, the imaging operation that to perform with manual paper feeding box 20 be paper source.

Be specially, main control unit 30 sends paper feed instruction, then intake roller 20-1 starts the paper transported in the paper memory storage 20-3 of manual paper feeding box 20 and enters into carrying roller 60C, and be sent to imaging moiety 80, fixation unit 90 is sent to through carrying roller 60D, after fixing for the carbon powder image on paper, through the discharge of distributing roller 60F, the paper after fixing is discharged into discharge paper disc 21.

Step 604, detects whether do not occur paper error in the imaging operation being paper source with manual paper feeding box 20.Then step 601 is turned back to if there is paper error.If there is not paper error, then turn back to step 603, continue to enter next paper from manual paper feeding box 20 and perform imaging operation.

Step 605, when manual paper feeding box 20 lacks paper, then whether examination criteria carton 10 does not meet imaging requirements.

Be specially main control unit 30 to carry out criterion carton 10 according to the paper in detecting unit 34 with or without the testing result of detecting sensor 10-2 and whether have paper and meet printing demand.When standard carton 10 meets printing demand, enter step 606, when not meeting, enter step 609.

Step 606, it is standard carton 10 that main control unit 30 selectes paper feed carton, enters step 607.

Step 607, the imaging operation that to perform with standard carton 10 be paper source.

Be specially, main control unit 30 paper controlled in the paper memory storage 10-3 of intake roller 10-1 conveyance standard carton 10 enters carrying roller 60A, 60B, 60C and enters into imaging moiety 80, fixation unit 90 is sent to through carrying roller 60D, after fixing for the carbon powder image on paper, through the discharge of distributing roller 60F, the paper after fixing is discharged into discharge paper disc 21.

Step 608, judges whether not occur paper error in the imaging operation being paper source with standard carton 10.

Being specially main control unit 30 to judge according to the detection of paper with or without detecting sensor 10-2, when there is not scarce paper, then entering step 607; When occurring lacking paper, turn back to step 601.

Step 609, when manual paper feeding box 20, standard carton 10 all do not have paper, then main control unit 30 judges that ground floor adds carton 11 and whether exists.If existed, then enter into step 610; If there is no, then step 619 is entered into.

Concrete detection is operating as, the carton controller 102 that Body Controller 101 adds carton 11 by data line L_SDA to ground floor sends query statement, if do not receive the confirmation that carton controller 102 returns in the schedule time, represent that not connecting ground floor adds carton 11.

In order to judge that ground floor adds carton 11 and whether exists more accurately, in one embodiment of the invention, Body Controller 101 can send repeatedly query statement continuously to carton controller 102, if all do not receive the confirmation returned, then can think that ground floor adds carton 11 and do not exist.

Step 610, judges that ground floor adds carton and whether do not meet imaging requirements.

Be specially the information that main control unit 30 returns according to the carton control module 40 that ground floor adds carton 11 to judge, carton control module 40, being sent to main control unit 30 with or without the information that detecting sensor 11-2 returns as paper in paper feeding unit 41, enters step 614 when according to the information returned, main control unit 30 judges that ground floor adds when carton 11 lacks paper; Otherwise, enter step 611.

Step 611, selected paper feed carton is that ground floor adds carton 11, enters step 612.

Step 612, performs and adds with ground floor the imaging operation that carton 11 is paper source.

Be specially, Body Controller 101 sends paper feed instruction by SDA interface to carton controller 102.When ground floor adds the SDA interface of the carton controller 102 of carton 11 after this instruction, the paper that control intake roller 11-1 conveyance ground floor adds in the paper memory storage 11-3 of carton 11 enters into carrying roller 11-4A, 11-4B, carrying roller 11-4A, 11-4B is sent to printer body 100 this paper, and by carrying roller 60A, 60B, the conveyance of 60C enters into imaging moiety 80, fixation unit 90 is sent to through carrying roller 60D, after fixing for the carbon powder image on paper, through the discharge of distributing roller 60F, paper after fixing is discharged into discharge paper disc 21.

Step 613, judges whether not occur paper error adding with ground floor in the imaging operation that carton 11 is paper source.

Be specially Body Controller 101 to receive paper from the carton controller 102 that ground floor adds carton 11 and judge with or without information.When Body Controller 101 receives by data line L_SDA line the scarce paper information that carton controller 102 that ground floor adds carton 11 returns, enter step 601.If do not receive scarce paper information, enter step 612.

Step 614, main control unit 30 judges that the second layer adds carton 12 and whether exists.If existed, then enter into step 615, if there is no, then enter into step 619.

Concrete detection is operating as, the carton controller 103 that Body Controller 101 adds carton 12 by data line L_SDA to the second layer sends query statement, if do not receive the confirmation that carton controller 103 that the second layer adds carton 12 returns in the schedule time, represent that not connecting the second layer adds carton 12.

In order to judge that the second layer adds carton 12 and whether exists more accurately, then Body Controller 101 can send repeatedly query statement adds carton 12 carton controller 103 to the second layer continuously, when all not receiving the confirmation returned, can think that the second layer adds carton 12 and do not exist.

Step 615, judges that the second layer adds carton 12 and whether do not meet imaging requirements.

Be specially the information that main control unit 30 returns according to the carton control module 40 that the second layer adds carton 12 to judge.Carton control module 40 is being sent to main control unit 30 with or without the information that detecting sensor 12-2 returns as paper in paper feeding unit 41.Step 619 is entered when according to the information returned, main control unit 30 judges that the second layer adds when carton 12 lacks paper; Otherwise, enter step 616.

Step 616, selected paper feed carton is that the second layer adds carton 12, enters step 617.

Step 617, performs and adds with the second layer imaging operation that carton 12 is paper source.

Be specially, the carton controller 103 that Body Controller 101 adds carton 12 by SDA interface to the second layer sends paper feed instruction.When the second layer adds the SDA interface of the carton controller 103 of carton 12 after this instruction, the paper controlling intake roller 12-1 conveyance paper memory storage 12-3 enters carrying roller 12-4A, 12-4B, carrying roller 12-4A, 12-4B transmit this paper and add carton 11 through ground floor, be sent to printer body 100, and enter into imaging moiety 80 by carrying roller 60A, 60B, 60C, fixation unit 90 is sent to through carrying roller 60D, after fixing for the carbon powder image on paper, through the discharge of distributing roller 60F, the paper after fixing is discharged into discharge paper disc 21.

Step 618, judges whether not occur paper error adding with the second layer in the imaging operation that carton 12 is paper source.

Be specially Body Controller 101 to receive paper from the carton controller 103 that the second layer adds carton 12 and judge with or without information.When Body Controller 101 receives by data line L_SDA line the scarce paper information that carton controller 103 that the second layer adds carton 12 returns, enter step 601; If do not receive scarce paper information, enter step 617.

Step 619, report is without coupling paper error.

Being specially main control unit 30 exports without coupling paper error information, to this mistake of user reminding to display operating unit 31.

In one embodiment of the invention, at least one additional carton is arranged in the device body of image processing system.After being connected in the mode of cascade from ground floor to all additional carton of last one deck, be connected with device body.In the additional carton of adjacent two layers, the additional carton of last layer controls the data communication between the additional carton of lower one deck and device body.The present embodiment, to the control method of additional carton, mainly comprises following steps as shown in Figure 9 A.

Step 9a1, the additional carton of the last layer in the additional carton of adjacent two layers provides switching signal, and the clock signal that access device body sends.

Step 9a2, the clock signal that the additional carton of this last layer sends with this device body accessed according to this switching signal, controls this data communication between the additional carton of this lower one deck and this device body.

In one embodiment of this invention, this device body is placed through and sends this clock signal to all additional cartons and carry out synchro control to all additional cartons.

In the additional carton of adjacent two layers, the additional carton of last layer, according to the clock signal that switching signal sends with this device body accessed, the described clock signal that the additional carton of the downward one deck of device body sends is controlled, thus the data communication between the additional carton of lower one deck and device body is controlled.

Implement also to comprise device body to the control method of additional carton of the present invention one to be placed through layer by layer to all additional carton transmission mark configuration-directs, and for responding the additional carton configuration mark accordingly of this mark configuration-direct.At this wherein, all additional cartons are pre-arranged as identical default mark, and in the additional carton of adjacent two layers, the additional carton of last layer is pre-arranged the communication be off between the additional carton of lower one deck and device body.In this mark configuration-direct that device body sends, include this and preset mark.Like this, receive this mark configuration-direct, and the additional carton that self current mark (in other words address) is identical with the default mark in mark configuration-direct, just can carry out mark configuration to it by receiving device body, thus the new logo that the mark of self will configure from previous default identification renewal for device body.The mark of different additional carton is different, thus forms effectively differentiation between each additional carton.

In another embodiment of image forming device of the present invention, in device body, include carton identification circuit, in carton identification circuit, be provided with voltage detecting point.Be provided with mark distributor circuit in each additional carton, each mark distributor circuit is provided with voltage access point and voltage detecting point.In mark distributor circuit in the additional carton of adjacent two layers, the voltage detecting point of the mark distributor circuit in the additional carton of last layer, is connected with the voltage access point of the mark distributor circuit in the additional carton of lower one deck.After being connected in the mode of cascade from ground floor to the mark distributor circuit all additional carton of last one deck, be connected with the voltage detecting point in carton identification circuit.

Body Controller is placed through the voltage on the voltage detecting point in detection carton identification circuit, obtains the quantity of all additional cartons, and can, according to the quantity of all additional cartons, be the corresponding mark of each additional carton configuration.Voltage on voltage detecting point on the mark distributor circuit that each additional carton is comprised by self, also can be obtained from the unique identification in all additional cartons.

Fig. 7 shows the electrical connection schematic diagram of printer body 200 and additional carton in another embodiment of the present invention.

As shown in Figure 7, printer body 200 comprises a Body Controller 202, divider resistance R1, a stake resistance R2 and protective resistance R3.

One end of divider resistance R1 connects power supply VCC, and the other end connects one end of stake resistance R2; The other end ground connection of stake resistance R2; The common end P0 that divider resistance R1 is connected with stake resistance R2 connects one end of protective resistance R3; The other end of protective resistance R3 will connect the interface I2 of Body Controller 202.The detection voltage-mode number conversion of this interface I2 to input becomes digital signal.Body Controller 202 learns the quantity of the carton of connection according to this digital signal.

Every layer of additional carton includes a carton controller 700, divider resistance R1, a stake resistance R2 and protective resistance R3.In the present embodiment of the present invention, the number of plies of additional carton be n (also namely the number of additional carton is n), n be more than or equal to 1 positive integer.

Ground floor adds the common end P0 that the divider resistance R1 in one end connection printer body 200 of the divider resistance R1 in carton 1 is connected with stake resistance R2, and the other end connects one end of stake resistance R2; The other end ground connection of stake resistance R2; The common end P1 that divider resistance R1 is connected with stake resistance R2 connects one end of protective resistance R3; Connection first layer is added the interface I2 of the carton controller 700 in carton 1 by the other end of protective resistance R3.The detection voltage-mode number conversion of this interface I2 to input becomes digital signal.

When n is more than or equal to 2, the additional carton 2 of all the other each layers, 3 ..., in n, common end (P1, P2 that the divider resistance R1 that the last layer that one end of divider resistance R1 connects next-door neighbour adds carton is connected with stake resistance R2 ... Pn-1), the other end connects one end of stake resistance R2; The other end ground connection of stake resistance R2; In same additional carton, common end that divider resistance R1 is connected with stake resistance R2 (P1, P2, P3 ..., Pn, be the voltage detecting point of additional carton) connect one end of protective resistance R3.In same additional carton, the other end of protective resistance R3 will connect the interface I2 of Body Controller 700.The detection voltage-mode number conversion of this interface I2 to input becomes digital signal.

Ground floor adds carton 1 and detects voltage by P1 end, and ground floor adds carton 2 and detects voltage by P2 end ..., n-th layer is added carton and is detected voltage by Pn end.Each additional carton is cascaded to last layer carton by one end (being the voltage access point of additional carton) of the first resistance R1 wherein, carton is added then for being cascaded to printer body 200 for ground floor, and is cascaded to lower one deck by the common end that divider resistance R1 is connected with stake resistance R2 and adds carton.

As shown in Figure 7, divider resistance R1 in printer body 200 and the connecting circuit of stake resistance R2 are carton identification circuit 201, each additional carton have ID distributor circuit 701, an ID distributor circuit 701 comprise belonging to divider resistance R1 in additional carton and stake resistance R2.In the additional carton of adjacent two layers, one end that lower one deck adds the divider resistance R1 in carton connect last layer add common end that the divider resistance R1 in carton is connected with stake resistance R2 (P1, P2 ... Pn-1), the other end connects one end of stake resistance R2; The other end ground connection of stake resistance R2.In the additional carton of ground floor, the common end P0 (i.e. the voltage detecting point of device body) that the divider resistance R1 in one end connection printer body of divider resistance R1 is connected with stake resistance R2, the other end connects one end of stake resistance R2; The other end ground connection of stake resistance R2.In the additional carton of every layer, common end that divider resistance R1 is connected with stake resistance R2 (P1, P2 ... Pn-1) for detecting the point of voltage, the carton controller 700 in additional carton carries out according to the voltage detecting this some the number of plies identifying self.

Communicated by bus between printer body 200 and each additional carton, as the bus that the clock line in an embodiment and data line form, or the bus of a reception line and an output line composition, the present invention is not limited to this.

Printer body 200 not the additional carton of access, access one deck add carton, access two-layer additional carton, access three layers of additional carton and access n layer add carton time, the simple equivalent circuit that printer body 200 and additional carton are electrically connected is as shown in Fig. 8 A, 8B, 8C, 8D and 8E.

The equivalent electrical circuit that printer body 200 shown in Fig. 7 and the electrical connection of additional carton simplify as illustrated in fig. 8e, point g0 is the end points that in the carton identification circuit 201 of printer body 200, stake resistance R2 connects ground, some g1, g2, g3 ... gn is the end points that each layer adds stake resistance R2 connection ground in the ID distributor circuit 701 of carton.

When printer body 200 does not connect additional carton, corresponding equivalent electrical circuit 1 as shown in Figure 8 A.The voltage Vp0 of the Body Controller 202 check point P0 of printer body 200, please refer to following expression.

$\mathrm{Vp}0=\frac{R2}{(R1+R2)}\mathrm{Vcc}$ Formula (1)

Body Controller 202, according to the change detecting Vp0, can learn the number of the additional carton whether having additional carton to connect and to access.

When printer body 200 connects an additional carton, corresponding equivalent electrical circuit 2 as shown in Figure 8 B.The voltage Vp0 of Body Controller 202 check point P0, please refer to following expression.

$\mathrm{Vp}0=\frac{\frac{R2(R1+R2)}{R1+2R2}}{R1+\frac{R2(R1+R2)}{R1+2R2}}\mathrm{Vcc}=\frac{R1R2+{R2}^2}{{R1}^2+3R1R2+{R2}^2}\mathrm{Vcc}$ Formula (2)

Ground floor adds the voltage of the carton controller 700 check point P1 of carton 1, can with reference to following expression.

$\mathrm{Vp}1=\frac{R2}{R1+R2}\mathrm{Vp}0$ Formula (3)

When printer body 200 connects two additional cartons, corresponding equivalent electrical circuit 3 as shown in Figure 8 C.The voltage Vp0 of Body Controller 202 check point P0, please refer to following expression.

$\mathrm{Vp}0=\frac{\mathrm{Rp}0g0}{R1+\mathrm{Rp}0g0}$ Formula (4)

Wherein, the calculation expression of Rp0g0 is:

$\mathrm{Rp}0g0=\frac{R2(R1+\mathrm{Rp}1g1)}{R2+(R1+\mathrm{Rp}1g1)}$ Formula (5)

The calculation expression of Rp1g1 is:

$\mathrm{Rp}1g1=\frac{R2(R1+R2)}{R2+(R1+R2)}=\frac{R1R2+{R2}^2}{R1+2R2}$ Formula (6)

The voltage that ground floor adds the carton controller 700 check point P1 of carton 1 is:

$\mathrm{Vp}1=\frac{\mathrm{Rp}1g1\mathrm{Vp}0}{R1+\mathrm{Rp}1g1}$ Formula (7)

The voltage that the second layer adds the carton controller 700 check point P2 of carton 2 is:

$\mathrm{Vp}2=\frac{R2}{R1+R2}\mathrm{Vp}1$ Formula (8)

When printer body 200 connects three additional cartons, corresponding equivalent electrical circuit 4 as in fig. 8d.Body Controller 202 detects the voltage Vp0 of P0, please refer to following expression.

$\mathrm{Vp}0=\frac{\mathrm{Rp}0g0}{R1+\mathrm{Rp}0g0}$ Formula (9)

Wherein, the calculation expression of Rp0g0 is:

$\mathrm{Rp}0g0=\frac{R2(R1+\mathrm{Rp}1g1)}{R2+(R1+\mathrm{Rp}1g1)}$ Formula (10)

The calculation expression of Rp1g1 is:

$\mathrm{Rp}1g1=\frac{R2(R1+\mathrm{Rp}2g2)}{R2+(R1+\mathrm{Rp}2g2)}$ Formula (11)

The calculation expression of Rp2g2 is:

$\mathrm{Rp}2g2=\frac{R2(R1+R2)}{R2+(R1+R2)}=\frac{R1R2+{R2}^2}{R1+2R2}$ Formula (12)

The voltage Vp1 that ground floor adds the carton controller 700 check point P1 point of carton 1 is:

$\mathrm{Vp}1=\frac{\mathrm{Rp}1g1}{R1+\mathrm{Rp}1g1}\mathrm{Vp}0$ Formula (13)

The Vp2 voltage that the second layer adds the carton controller 700 check point P2 of carton 2 is:

$\mathrm{Vp}2=\frac{\mathrm{Rp}2g2}{R1+\mathrm{Rp}2g2}\mathrm{Vp}1$ Formula (14)

The voltage Vp3 that third layer adds the carton controller 700 check point P3 of carton 3 is:

$\mathrm{Vp}3=\frac{R2}{R1+R2}\mathrm{Vp}2$ Formula (15)

The data that the magnitude of voltage that Body Controller 202 detects detects according to the mode that resistance distributes are different.The detection voltage data of the additional carton (the additional carton within superposing three layers in other words on the basis of standard carton) within connecting three layers is as shown in table 1.

Table 1, so that the voltage detecting table of the printer body of three layers of additional carton can be connected

In another embodiment of the present invention in the control method of additional carton, at least one additional carton is arranged in the device body of image processing system, after being connected, then is connected with device body from ground floor to all additional carton of last one deck in the mode of cascade.Be provided with voltage detecting point in this device body, in each additional carton, be provided with voltage access point and voltage detecting point.And, after being connected in the mode of cascade from ground floor to all additional carton of last one deck, be connected with the voltage detecting point in device body.This device body, by the voltage on the voltage detecting point of detection self, obtains the quantity of all additional cartons.Device body according to the quantity of all additional cartons, can also obtain the mark of all additional cartons.Each additional carton in all additional cartons, the voltage on the voltage detecting point of self, is obtained from the unique identification in all additional cartons.

According to above description, identify the flow process of carton in another embodiment of the present invention during printer body 200 power-up initializing as shown in Figure 9 B.

Step 9b0, Body Controller 202 detects the magnitude of voltage of carton identification circuit 201.

Be specially, the voltage Vp0 of the interface I3 check point P0 of Body Controller 202.

Step 9b1, Body Controller 202 is according to the total n detecting the additional carton that magnitude of voltage identification is installed.

Be specially Body Controller 202 to inquire about according to the detection voltage Vp0 detected, obtain the total n that current installation adds carton.This inquiry can be carry out in the voltage detecting table identical with table 1 character.

Step 9b2, the additional carton sum n that Body Controller 202 is obtained to the broadcast of each carton controller 700 by bus.

After Body Controller 202 knows additional carton sum n, according to the ID of the automatic known every layer of additional carton of additional carton sum n.Such as, the ID arranging every layer of additional carton, from carton ID=1 adds in the superiors, successively adds 1, and the second layer is exactly additional carton ID=2, and third layer adds carton ID=3 ..., by that analogy.Therefore when learning additional carton sum n, the ID that just can add carton according to the superiors arranges initial value, according to the ID allocation scheme prestored, thus obtain the ID of every layer of additional carton, can return without carton controller 700 ID that ID own also can learn every layer of additional carton like this.

Step 9b3, Body Controller 202 inquires about the state of additional carton N, is to detect the state that whether there is additional carton N connection error here.

Be specially the state that Body Controller 202 starts to inquire about every layer of additional carton, the carton controller 700 that Body Controller 202 meeting adds carton to every one deck sends querying command, first inquires about N layer and adds carton, N=1, N≤n time here initially.

Step 9b4, judge whether current N value is less than or equal to additional carton sum n, by judging whether N is greater than n and carrys out the state that the every one deck of duplicate detection always adds carton, here being inquire about all additional cartons to determine whether, when N is less than or equal to additional carton sum n, entering step 9b6, when N is greater than additional carton sum n, represent and inquired about all additional cartons, enter step 9b5, initialization terminates.

Step 9b6, Body Controller 202 determines whether it has received the response of additional carton N.

When Body Controller 202 sends query statement to the carton controller 700 of additional carton N, the carton controller 700 being currently received the additional carton N of this query statement can return a confirmation to Body Controller 202, according to this confirmation, Body Controller 202 learns that this layer adds carton and normally connects, enter into step 9b7, if do not receive the confirmation that carton controller 700 returns, enter step 9b8.

Step 9b7, when Body Controller 202 receives the confirmation that additional carton N returns, then continues to add carton N+1 to lower one deck and inquires about, turn back to step 9b3.

Step 9b8, when the confirmation that the carton controller 700 that Body Controller 202 does not receive additional carton N returns, then can repeat inquiry M time, and M≤m, m is preset value, as being set to 3.Body Controller 202 can repeat to send querying command to the carton controller 700 of additional carton N, if the inquiry more than m time, namely when M is more than or equal to m, when Body Controller 202 does not still obtain the confirmation of the carton controller 700 of additional carton N, represent this additional carton N connection error, enter step 9b9, represent initialization failure; When Body Controller 202 repeat inquiry more than m time before, the confirmation that the carton controller 700 that can receive additional carton N turns back to, then enter into step 9b7.

When identifying additional carton during printer body 200 power-up initializing, the operating process of carton controller 700 as shown in Figure 10.

Step 1000, the mark (being also address) of carton controller 700 initialization self of every layer of additional carton is broadcast address 0x00, or also can be other default mark.

Step 1001, carton controller 700 detects the magnitude of voltage of self ID distributor circuit 701.

The interface I2 being specially the carton controller 700 of every layer of additional carton detects end points (P1, P2, P3 ... Pn) magnitude of voltage, through A/D analog to digital conversion to digital signal.

Step 1002, carton controller 700 is wait-receiving mode broadcast data always.

The additional carton sum n that the carton controller 700 wait-receiving mode Body Controller 202 being specially every layer of additional carton sends.When receiving the additional carton sum n that Body Controller 202 is broadcasted, enter step 1003.

Step 1003, when receiving the additional carton sum n of broadcast, carton controller 700 can learn the number of plies N at self place current through question blank (as table 1 or other identical with above-mentioned table 1 of character are shown) according to the total n of the additional carton of above-mentioned digital signal and this.

Step 1004, carton controller 700, according to the position (number of plies N) at self place, configures the mark (ID) of self.The mode of additional carton ID specifically automatically can be identified according to printer body.When carton controller 700 detects that self is in the superiors, then Lookup protocol ID is 1, when carton controller 700 detects that self is in the second layer, Lookup protocol ID is 2, carton controller 700 can be allowed to observe the mechanism of a Lookup protocol ID to configure the ID of oneself according to additional carton sum n and the position of self with this, and consistent with above-mentioned Body Controller 202 automatic mode of adding carton ID of distributing in step 9b2.The order that step 1005 waits for Body Controller 202 is entered, as paper feed order after carton controller 700 configures self identification.

All embodiments of the present invention all connect multiple identical additional carton for printer body, and technology of the present invention is equally applicable to printer body and connects multiple dissimilar additional carton.

It is apparent to those skilled in the art that each ingredient of device that the above-mentioned embodiment of the present invention provides, and each step in method, they can concentrate on single calculation element, or are distributed on network that multiple calculation element forms.Alternatively, they can realize with the executable program code of calculation element.Thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.

Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding technical solution of the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.

Claims (15)

1. an image processing system, comprises device body and can be installed at least one the additional carton in described device body, wherein:

Body Controller is provided with in described device body;

Be provided with carton controller in each additional carton, each carton controller is set to the operation of additional carton in described image processing system imaging process controlled belonging to self; After being connected in the mode of cascade from ground floor to the carton controller all additional carton of last one deck, be connected with described Body Controller;

Described Body Controller is set to carry out synchro control to all carton controllers, and carries out two-way data communication with all carton controllers.

2. image processing system according to claim 1, wherein:

In carton controller in the additional carton of adjacent two layers, the carton controller in the additional carton of last layer is set to control the data communication between the carton controller in the additional carton of lower one deck and described Body Controller.

3. image processing system according to claim 2, wherein:

Carton controller in the additional carton of described last layer includes signal controller;

Described signal controller is set to provide switching signal and accesses the clock signal of described Body Controller transmission; And be set to the described clock signal that sends according to described switching signal and the described Body Controller that accesses, the described data communication between the carton controller in the additional carton of described lower one deck and described Body Controller is controlled;

Wherein, described Body Controller is placed through and sends described clock signal to all carton controllers and carry out synchro control to all carton controllers.

4. image processing system according to claim 3, wherein:

Described signal controller in carton controller in the additional carton of described last layer, be set to the described clock signal sent with the described Body Controller accessed according to described switching signal, the described clock signal that described Body Controller sends to the carton controller in the additional carton of described lower one deck is controlled, thus the described data communication between the carton controller in the additional carton of described lower one deck and described Body Controller is controlled.

5. the image processing system according to claim 1-4, wherein:

Described Body Controller is placed through and sends mark configuration-direct to all additional cartons layer by layer, for responding the corresponding mark of additional carton configuration of described mark configuration-direct;

All additional cartons are pre-arranged as identical default mark, and in carton controller in the additional carton of adjacent two layers, the carton controller in the additional carton of last layer is pre-arranged the data communication be off between carton controller in the additional carton of lower one deck and described Body Controller;

Wherein, described default mark is included in described mark configuration-direct.

6. image processing system according to claim 5, wherein:

The additional carton identical with the described default mark comprised in described mark configuration-direct, after accepting the mark that described Body Controller configures, connects the data communication between carton controller in the additional carton of lower one deck and described Body Controller.

7. image processing system according to claim 1, wherein:

Include carton identification circuit in described device body, in described carton identification circuit, be provided with voltage detecting point;

Be provided with mark distributor circuit in each additional carton, each mark distributor circuit is provided with voltage access point and voltage detecting point; After being connected in the mode of cascade from ground floor to the mark distributor circuit all additional carton of last one deck, be connected with the voltage detecting point in described carton identification circuit;

Described Body Controller is placed through the voltage on the described voltage detecting point in the described carton identification circuit of detection, obtains the quantity of all additional cartons, and is each additional carton configuration identifier according to the quantity of all additional cartons.

8. image processing system according to claim 7, wherein:

In mark distributor circuit in the additional carton of adjacent two layers, the voltage detecting point of the mark distributor circuit in the additional carton of last layer, is connected with the voltage access point of the mark distributor circuit in the additional carton of lower one deck.

9. the image processing system according to claim 7 or 8, wherein:

Voltage on the quantity of all additional carton that the carton controller in each additional carton is broadcasted according to described Body Controller and the voltage detecting point of the mark distributor circuit of self, obtains the mark of self.

10. to a control method for additional carton, at least one additional carton is arranged in the device body of image processing system, after being connected, is connected with described device body from ground floor to all additional carton of last one deck in the mode of cascade; In the additional carton of adjacent two layers, the additional carton of last layer controls the data communication between the additional carton of lower one deck and described device body; Wherein, described method comprises:

The additional carton of described last layer provides switching signal, and accesses the clock signal of described device body transmission;

The described clock signal that the additional carton of described last layer sends with the described device body accessed according to described switching signal, controls the described data communication between the additional carton of described lower one deck and described device body;

Wherein, described device body is placed through and sends described clock signal to all additional cartons and carry out synchro control to all additional cartons.

11. methods according to claim 10, wherein:

The described clock signal that the additional carton of described last layer sends with the described device body accessed according to described switching signal, the described clock signal that described device body sends to the additional carton of described lower one deck is controlled, thus the described data communication between the additional carton of described lower one deck and described device body is controlled.

12. methods according to claim 10 or 11, wherein:

Described device body is placed through and sends mark configuration-direct to all additional cartons layer by layer, for responding the corresponding mark of additional carton configuration of described mark configuration-direct;

All additional cartons are pre-arranged as identical default mark, and in the additional carton of adjacent two layers, the additional carton of last layer is pre-arranged the data communication be off between the additional carton of lower one deck and described device body;

Wherein, described default mark is included in described mark configuration-direct.

13. methods according to claim 12, wherein:

The additional carton identical with the described default mark comprised in described mark configuration-direct, after accepting the mark that described device body configures, connects the data communication between the additional carton of lower one deck and described device body.

14. 1 kinds of control methods to additional carton, at least one additional carton is arranged in the device body of image processing system, after being connected, is connected with described device body from ground floor to all additional carton of last one deck in the mode of cascade; Voltage detecting point is provided with in described device body; Be provided with voltage access point and voltage detecting point in each additional carton, after being connected in the mode of cascade to all additional carton of last one deck from ground floor, be connected with the voltage detecting point in described device body; Wherein, described method comprises:

Described device body, by detecting the voltage on self voltage detecting point described, obtains the quantity of all additional cartons, and is each additional carton configuration identifier according to the quantity of all additional cartons.

15. methods according to claim 14, wherein:

Voltage on the quantity of described all additional cartons that each additional carton is broadcasted according to described device body and the voltage detecting of self point, obtains the mark of self.