JP2001356643A - Digital copying device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a digital copying device which outputs images onto plural paper sheets different in paper kind in ascending order of fixing idling operation period in a reservation copy mode. SOLUTION: When the reservation copy mode is set, the digital copying device checks whether or not a film, plain paper and tracing paper are specified as the paper sheet for the reserved job in ascending order of fixing temperature, and reads image data specified for the specified paper sheet from a memory, then records and outputs the image data on the paper sheets by the number specified by a plotter part (steps S101 to S107). In the case of processing copying reservation for plural kinds of paper sheets, images are formed on paper sheets collectively in ascending order of fixing temperature, from a low fixing temperature to a high fixing temperature. Thus the fixing idling period required for that the temperature of a fixing part arrives at the fixing temperature for every paper kind, thereby accelerating the image forming processing speed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a digital copying apparatus, and more particularly, to selecting an image output having a short fixing idling operation when outputting an image on a plurality of sheets of different types in a reserved copy mode. The present invention relates to a digital copying apparatus that performs the operation.

[0002]

2. Description of the Related Art A digital copying apparatus reads an image of a document by a reading unit and outputs an image to a designated sheet by an image output unit. 2. Description of the Related Art Some image processing apparatuses have a reserved copy mode in which a plurality of image data obtained by sequentially reading a document are stored in a memory, the image data is read from the memory, and an image is output on a recording sheet by an output unit.

When performing a copy operation in a reserved copy mode, a conventional digital copying apparatus sequentially stores image data of a document read by a reading unit in a memory, and transfers the image data from the memory in the order of storage in the memory. The image is read out and output by the output unit as many as the number required for the recording paper.

The output section of a digital copying apparatus generally outputs an image in an electrophotographic system, and the developer transferred to the recording paper is heated and pressed by a fixing section to apply the developer to the recording paper. The image is formed by fixing.

When the digital copying apparatus uses a reserved copy mode in which the image data stored in the memory is successively output sequentially, and when there are a plurality of types of recording paper to be used, the fixing is appropriately performed. In order to perform this, it is necessary to change the fixing temperature for each paper type.
A fixing idling operation for approaching a target fixing temperature according to a paper type is performed.

[0006]

However, in the conventional digital copying apparatus, when performing a copy operation in the reserved copy mode, the image data is read from the memory in the order in which the reading unit reads the original and stores it in the memory. When the output unit outputs the image to the recording paper and outputs the image on the recording paper, and when the recording paper type includes a plurality of types, a fixing idling operation that brings the fixing temperature closer to a target fixing temperature corresponding to the paper type every time the paper type changes. During the fixing idling operation,
When the copying operation is stopped, the usability of the digital copying apparatus is poor, and when there are a plurality of types of paper, the processing speed of the copying operation is reduced.

Therefore, according to the first aspect of the present invention, a plurality of image data of a document read by the reading means is temporarily stored in the memory means, and the image data is sequentially read out from the memory means and placed on each paper feeding means. Based on the detection result of the paper type detecting means for detecting the paper type of the paper being set, the paper is conveyed from the paper supply means on which the paper of the paper type specified by the operating means is placed to the image forming means. A reserved copy mode process in which image formation is performed for the number of sheets specified by the operation unit based on the image data, and the fixing unit heats and fixes the image on the sheet at a fixing temperature corresponding to the type of the sheet. When there are a plurality of types of paper specified by the operation unit, the image forming order control process for sequentially forming an image on a paper of a type having a low fixing temperature and sequentially forming an image is performed. On paper When performing the copying process, images are collectively formed according to the fixing temperature from a sheet of a paper type having a low fixing temperature to a sheet of a paper type having a high fixing temperature, and the fixing unit fixes the paper type for each paper type. It is an object of the present invention to provide a digital copying apparatus that improves the processing speed of image formation by shortening a fixing idling time until the temperature reaches a temperature, and has good usability.

According to a second aspect of the present invention, a plurality of image data of a document read by the reading means is temporarily stored in the memory means, and the image data is sequentially read from the memory means.
Based on the detection result of the paper type detection unit that detects the paper type of the paper placed on each paper supply unit, image formation is performed from the paper supply unit on which the paper of the paper type specified by the operation unit is placed. The paper is conveyed to the means, and image formation is performed with priority given to the paper of the same paper type as that of the paper on which the image was formed first. By performing an image forming order control process of sequentially performing image formation on the paper type having the highest fixing temperature next to the paper type having the highest fixing temperature next to the paper type of the paper sheet on which the formation has been completed, a plurality of paper types can be obtained. When performing a reserved copy process on a sheet of paper, image formation is first performed on the paper of the type of paper on which the image has been formed first, and images are collectively formed. Depending on the fixing temperature, the fixing temperature is gradually changed to the paper type with the higher fixing temperature. Even if the paper type of the paper on which images are collectively formed and the first image is formed is not a paper type having a low fixing temperature, the fixing unit sets a fixing idling time until the fixing temperature of the paper type is reached for each paper type. It is an object of the present invention to provide a digital copying apparatus which can be shortened to improve the processing speed of image formation and have good usability.

According to a third aspect of the present invention, the image forming order control processing is performed only when the image forming order control processing function is set to ON by the selection means for selectively operating on / off of the image forming order control processing function. By doing so, it is an object of the present invention to provide a digital copying apparatus that is capable of responding to the user's intention, such as wanting to form an image in the order in which the originals are set, and that is more usable.

[0010]

According to a first aspect of the present invention, there is provided a digital copying apparatus comprising: a reading unit for reading an image of a document;
A memory unit capable of storing a plurality of image data of the document read by the reading unit, a plurality of paper feeding units capable of mounting sheets of different types, and the plurality of paper feeding units mounted on the respective paper feeding units; Paper type detecting means for detecting the paper type of the paper, image forming means for forming an image on the paper conveyed from one of the paper feeding means based on the image data in the memory means, and the image forming means Fixing means for heating and fixing the image formed on the sheet at a fixing temperature according to the type of paper of the sheet, operating means for designating at least the number of images to be formed and the type of paper, Causing the reading unit to read the image of the document, temporarily storing a plurality of pieces of image data of the document read by the reading unit in the memory unit, sequentially reading the image data from the memory unit, Based on the detection result of the seed detecting means,
The paper is conveyed from the paper supply unit on which the paper of the paper type specified by the operation unit is placed to the image forming unit, and the number of sheets specified by the operation unit is determined based on the image data. Control means for performing a reserved copy mode process of fixing the image on the sheet by heating the image on the sheet at a fixing temperature corresponding to the type of the sheet after the image forming is performed. In the apparatus, when a plurality of the paper types specified by the operation unit exist in the reserved copy mode, the control unit sequentially performs image formation from image formation on the paper type of the paper type having the low fixing temperature. The above object is achieved by performing the image forming order control processing.

According to the above arrangement, the image data of the document read by the reading means is temporarily stored in the memory means for a plurality of times, and the image data is sequentially read out from the memory means, and the paper sheets placed on the respective paper feeding means are read out. Based on the detection result of the paper type detecting means for detecting the paper type, the paper of the paper type designated by the operating means is conveyed from the paper feeding means to the image forming means, and the image data is When performing a reserved copy mode process of forming an image by the number of sheets specified by the operation unit based on the above, and fixing the image on the sheet by heating the fixing unit with the fixing temperature according to the type of the sheet on the sheet. When there are a plurality of paper types specified by the operation unit, an image forming order control process for sequentially forming an image from a paper type having a low fixing temperature to an image is performed. Perform processing In this case, images can be collectively formed according to the fixing temperature from paper of a paper type having a low fixing temperature to paper of a paper type having a high fixing temperature, and the fixing unit can set the fixing temperature of the paper type for each paper type. By shortening the fixing idling time until the image forming process can be performed, the processing speed of image formation can be improved, and the usability of the digital copying apparatus can be improved.

According to a second aspect of the present invention, there is provided a digital copying apparatus, comprising: reading means for reading an image of a document; memory means for storing a plurality of image data of the document read by the reading means; A plurality of paper feeding units capable of loading paper, a paper type detecting unit for detecting a paper type of the paper placed on each of the paper feeding units, and the paper feeding unit based on image data of the memory unit. An image forming unit for forming an image on the sheet conveyed from one of the sheets, and fixing the image on the sheet formed by the image forming unit at a fixing temperature according to the type of the sheet A fixing unit for performing the operation of designating at least the number of sheets on which images are to be formed and the type of paper; and causing the reading unit to read the image of the document, and reading the image data of the document read by the reading unit for a plurality of times. The image data is temporarily stored in the memory unit, the image data is sequentially read from the memory unit, and the paper of the paper type designated by the operation unit is placed based on the detection result of the paper type detection unit. The sheet is conveyed from the sheet feeding unit to the image forming unit, and the image is formed by the number specified by the operation unit based on the image data. And a control unit for performing a reserved copy mode process for heating and fixing at a fixing temperature according to the paper type of the paper, wherein the control unit performs image forming first in the reserved copy mode. The image forming is performed by giving the highest priority to the paper of the same paper type as the paper type of the paper, and when all the image formation on the paper of the paper type is completed, the next paper type of the paper on which the image formation has been completed is performed. By performing a high paper type of the paper of the fixing temperature to a high paper type of the sheet of successively fixing temperature of the image forming sequence control processing to perform image formation, it has achieved the above objects.

According to the above construction, the image data of the original read by the reading means is temporarily stored in the memory means for a plurality of times, and the image data is sequentially read out from the memory means to read out the paper sheets placed on the respective paper feeding means. Based on the detection result of the paper type detection means for detecting the paper type of the paper type, the paper is conveyed from the paper supply means on which the paper type specified by the operation means is placed to the image forming means, and Image formation is performed with priority given to paper of the same paper type as that of the paper on which the image has been formed. When all image formation on the paper of the paper type has been completed, the paper type of the paper on which the image has been formed is placed next to the paper type. Since the image forming order control process for sequentially performing image formation on the paper of the paper type having the higher fixing temperature to the paper of the paper type having the higher fixing temperature is performed, first, when performing the reserved copy processing on the paper of a plurality of paper types, Prioritize image formation on paper of the image type With an image is formed together Te,
Thereafter, images can be collectively formed on the paper of the paper type having the highest fixing temperature next to the paper type of the first paper type in accordance with the fixing temperature. Even if the paper type of the formed paper is not a paper type having a low fixing temperature, the fixing unit shortens the fixing idling time until the fixing temperature of the paper type is reached for each paper type, thereby reducing the image forming processing speed. This can improve the usability of the digital copying apparatus.

In each of the above cases, for example, as set forth in claim 3, the digital copying apparatus further comprises a selection means for selectively operating on / off of the image forming order control processing function, wherein the control means comprises: The image forming order control processing may be performed only when the image forming order control processing function is set to ON by the selection unit.

According to the above arrangement, the image forming order control processing is performed only when the image forming order control processing function is set to ON by the selection means for selectively operating the image forming order control processing ON / OFF. Therefore, it is possible to cope with the user's intention such as wanting to form an image in the order in which the originals are set, and the usability of the digital copying apparatus can be further improved.

[0016]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. It should be noted that the embodiments described below are preferred embodiments of the present invention, and therefore, various technically preferable limitations are added. However, the scope of the present invention is not limited to the following description. The embodiments are not limited to these embodiments unless otherwise specified.

FIGS. 1 and 2 are diagrams showing a first embodiment of a digital copying apparatus according to the present invention, and this embodiment corresponds to claims 1 and 3. FIG.

FIG. 1 shows a first embodiment of a digital copying apparatus according to the present invention.
1 is a schematic configuration diagram of a digital copying apparatus 1 to which the embodiment is applied.

In FIG. 1, a digital copying apparatus 1 includes a scanner unit 2, a memory unit 3, a plotter unit 4, a display / operation unit 5, a control unit 6, and the like.

The scanner unit (reading means) 2 includes a light source, a CC
A solid-state image sensor such as D and a drive mechanism are provided, and operate under the control of the control unit 6 to irradiate light from the light source to the original, and photoelectrically convert the light reflected by the light source with the solid-state image sensor. Thus, the image of the document is read. The scanner unit 2 transfers the read image data of the document to the memory unit 3 under the control of the control unit 6.

The memory section (memory means) 3 has a capacity for storing a plurality of image data, and stores the image data sent from the scanner section 2 under the control of the control section 6. The image data stored in the memory unit 3 is read out by the control unit 6 and sent to the plotter unit 4 when recording and outputting.

The display / operation unit (operating means) 5 is provided with various operation keys for instructing various operations and the like on the digital copying apparatus 1 and various information notified from the digital copying apparatus 1 to an operator. The display unit is provided with a display for displaying, and the operation contents of the display / operation unit 5 are notified to the control unit 6, and the display information from the control unit 6 is output to the display. In particular, the display / operation unit 5 sequentially stores the image data of a plurality of documents read by the scanner unit 2 in the memory unit 3, reads out the image data from the memory unit 3 in the order described later, and A reserved copy mode key for performing a setting operation of a reserved copy mode for recording and outputting on paper is provided. In this reserved copy mode, paper for recording and outputting the image data can be designated for each image data of a document. Display / operation unit 5
Is provided with a recording order control changeover switch (selection means) for setting whether or not to control the recording order depending on the paper type in the reserved copy mode.

The control unit (control means) 6 includes a CPU (Centra
l Processing Unit), ROM (Read Only Memory),
It is composed of elements such as a RAM (Random Access Memory), an I / O port, and an interface.
The operation of the resources of the digital copying apparatus 1 is controlled while using the AM as a work memory. In particular, the control unit 6
Reads out the image data continuously stored in the memory unit 3 from the scanner unit 2 in a predetermined order by the number designated by the display / operation unit 5 from the memory unit 3 and records and outputs the image data by the plotter unit 4. Perform reserved copy mode processing.

The plotter section 4 records an image in an electrophotographic system, and includes a plurality of paper feed cassettes 11a to 11d,
It includes paper feed rollers 12a to 12d, a photosensitive drum 13, a transfer unit 14, a fixing unit 15, and the like provided for each of the paper feed cassettes 11a to 11d. Each unit functioning as an image forming unit is disposed around the photosensitive drum 13. That is, the plotter unit 4 is arranged around the photosensitive drum 13
The charging unit uniformly charges the photosensitive drum 13, and irradiates the uniformly charged photosensitive drum 13 with a laser modulated in accordance with the image data sent from the memory unit 3 to statically charge the photosensitive drum 13. A light irradiating section for forming an electrostatic latent image, a developing section for supplying a developer (toner or the like) to the photosensitive drum 13 having the electrostatic latent image formed thereon to form a toner image, and a developing section for transferring the toner image to paper A cleaning unit for cleaning the photosensitive drum 13 and the like are provided.

Each of the paper feed cassettes 11a to 11d can store a plurality of papers, and can store papers of different paper types (paper types).
2a to 12d separate the sheets stored in the sheet cassettes 11a to 11d one by one, and
And the transfer section 14. Paper cassette 11a ~
11d and the paper feeding rollers 12a to 12d constitute paper feeding means.

Although not shown, each of the paper feed cassettes 11a to 11d is provided with a paper type detection sensor (paper type detection means).
The paper type of the paper stored in 1d is detected, and the detected paper type detection signal is output to the control unit 6.

The photosensitive drum 13 is rotated in the counterclockwise direction in FIG. 1 to form an electrostatic latent image corresponding to the image data sent from the memory unit 3 as described above. And a toner image is formed, and the toner image is transferred by the transfer unit 14 to a sheet conveyed from one of the sheet cassettes 11a to 11d.

A fixing unit (fixing means) 15 includes a fixing roller 16 that is driven to rotate in the sheet conveying direction, and a fixing roller 16.
A pressing roller 17 which is pressed against the fixing roller 16 at a predetermined pressure and automatically rotates with the rotation of the fixing roller 16;
And a temperature sensor 18 for detecting the surface temperature of the control unit 6 and outputting a detection signal to the control unit 6. The fixing roller 16 has a built-in heater, and the control unit 6 controls the energization of the heater based on the detection result of the temperature sensor 18 to heat the fixing roller 16 to a predetermined fixing temperature according to the type of paper. Is done. The fixing unit 15 conveys the sheet on which the toner image has been transferred between the heated fixing roller 16 and the pressure roller 17, and heats and heats the sheet with the fixing roller 16 and the pressure roller 17. Then, the sheet is conveyed while fixing the toner image on the sheet, and the sheet is discharged onto a discharge tray (not shown).

Next, the operation of the present embodiment will be described. When there are a plurality of paper types of paper to be copied in the reserved copy mode, the digital copying apparatus 1 of the present embodiment sequentially outputs the recording output from a paper type having a low fixing temperature to a paper type having a high fixing temperature. There is a characteristic in what we do.

In the following description, three types of paper, namely, film, plain paper, and tracing paper (hereinafter referred to as “trepe”) are set as paper types in ascending order of fixing temperature. Needless to say, the number of paper types is not limited to three, and can be dealt with by executing the processing described below according to the number of paper types.

In the digital copying apparatus 1, as shown in FIG. 2, when a copy instruction operation is performed on the display / operation unit 5, the control unit 6 checks whether the copy is in a reserved copy mode (step S101). When the mode is not the reserved copy mode, a normal copy operation process, that is, a copy operation process of recording and outputting one copy of image data of a document read by the scanner unit 2 as it is by the plotter unit 4 via the memory unit 3 is performed.

In step S101, when the reserved copy mode is selected and set, the control unit 6 checks the paper type.
It is checked whether the paper type of the paper set in 1a to 11d, that is, the film having the lowest fixing temperature among the three paper types is designated as the paper for the reserved job (step S102). When a film is designated, the designated image data of the film is read out from the memory unit 3 and the image data is transferred to the plotter unit 4, and the designated number of film data are transferred to the plotter unit 4. (Step S10)
3). At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d storing the film of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. Paper feed cassettes 11a to 11
From d, the film is conveyed to the photosensitive drum 13 to record and output image data on the film. Also, the control unit 6
Based on the detection result of the temperature sensor 18, the temperature of the fixing roller 16 of the fixing unit 15 is controlled to the fixing temperature for the film.

The control section 6 completes the recording output on the film or, if the film is not designated in step S102, of the three paper types, the paper type having the second highest fixing temperature after the film is selected. It is checked whether or not a certain plain paper is designated as the paper for the reserved job (step S10).
4) If plain paper is designated, the designated image data of the plain paper is read out from the memory unit 3 and the image data is transferred to the plotter unit 4 for the designated number of plotters. The recording is output on plain paper by the unit 4 (step S105). At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the plain paper of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. Selected paper cassette 1
From 1a to 11d, plain paper is conveyed to the photosensitive drum 13 to record and output image data on plain paper. The control unit 6 also controls the fixing unit 1 based on the detection result of the temperature sensor 18.
5 is controlled to a fixing temperature for plain paper.

The control unit 6 completes the recording output on the plain paper or, if the plain paper is not specified in step S104, the fixing temperature of the three types is higher than that of the plain paper. That is, it is checked whether the paper type of the paper type having the highest fixing temperature is specified as the paper of the reserved job (step S106). If the paper type is specified, the image data specified by the paper type is selected. Is read from the memory unit 3, the image data is transferred to the plotter unit 4, and the designated number of sheets are recorded and output on the treble by the plotter unit 4 (step S107). At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the treble, which is the paper type to be recorded, and
Then, the treble is conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output the image data on the treble. Further, the control unit 6 includes a temperature sensor 18
, The temperature of the fixing roller 16 of the fixing unit 15 is controlled to the fixing temperature for treble.

If it is determined in step S106 that no treble has been designated as a sheet of the reserved job, the control unit 6 terminates the process.

Although not shown in FIG. 2, the control unit 6
When the recording order control processing switch of the display / operation unit 5 is set to OFF, the recording order control processing is set to OFF. A process of recording and outputting a designated number of sheets in the order of the documents read by the scanner unit 2 is executed.

As described above, the digital copying apparatus 1 according to the present embodiment temporarily stores a plurality of image data of the document read by the scanner unit 2 in the memory unit 3 and sequentially reads out the image data from the memory unit 3. , Each paper cassette 11a-
Based on the detection result of the paper type detection sensor that detects the paper type of the paper loaded on 11d, the paper feed cassettes 11a to 11h on which the paper of the paper type specified by the display / operation unit 5 is placed.
The sheet is conveyed from 11d to the photosensitive drum 13, the image is formed by the number specified by the display / operation unit 5 based on the image data, and the image on the sheet is printed by the fixing unit 15 on the sheet of the sheet. When performing a reserved copy mode process of heating and fixing at a fixing temperature corresponding to a type, if there are a plurality of types of paper specified by the display / operation unit 5, image formation on a paper of a type having a low fixing temperature is performed. , An image forming order control process for sequentially forming images.

Therefore, when a reserved copy process is performed on a plurality of types of paper, images are collectively formed in accordance with the fixing temperature from paper of a low fixing temperature to paper of a high fixing temperature. This makes it possible to shorten the fixing idling time until the fixing unit 15 reaches the fixing temperature of the paper type for each paper type, improve the processing speed of image formation, and improve the usability of the digital copying apparatus 1. Can be improved.

The digital copying apparatus 1 performs image formation only when the image formation order control processing function is set to ON by a recording order control changeover switch for selectively operating on / off of the image formation order control processing function. An order control process is being performed.

Therefore, it is possible to cope with the user's intention such as to form an image in the order in which the originals are set, and the usability of the digital copying apparatus 1 can be further improved.

FIGS. 3 and 4 show a digital copying apparatus according to a second embodiment of the present invention. This embodiment corresponds to claim 2 of the present invention.

The present embodiment is applied to a digital copying apparatus similar to the digital copying apparatus of the first embodiment, and in the description of the present embodiment, the above-described The description will be made using the reference numerals used in the description of the first embodiment as they are.

The digital copying apparatus 1 according to the present embodiment gives priority to recording output on a sheet of the same paper type as that of the first recording output paper, and then sequentially performs the first recording output paper The recording output is sequentially performed on paper of a paper type having a higher fixing temperature than the type.

In the following description, as in the case of the first embodiment, three types of paper, film, plain paper, and tracing paper (hereinafter referred to as "trepe") are used in the order of decreasing fixing temperature. The description will be made assuming that the paper types are set. Needless to say, the number of paper types is not limited to three, and the processing described below may be performed according to the number of paper types to deal with. Can be.

In the digital copying apparatus 1, as shown in FIG. 3, when a copy instruction operation is performed on the display / operation unit 5, the control unit 6 checks whether the copy is in a reserved copy mode (step S201). When the mode is not the reserved copy mode, a normal copy operation process, that is, a copy operation process in which image data of a document read by the scanner unit 2 is directly recorded and output by the plotter unit 4 via the memory unit 3 is performed.

In step S201, when the reserved copy mode is selected and set, the control section 6 checks whether the type of the first copy (current copy) is film (step S202), and sets the current copy. If the paper type is film, it is checked whether or not the job of the paper type is left in the job in the reserved copy mode (step S203).

When there is a job whose film type is film, the control unit 6 executes all jobs whose film type is designated as film (step S204). That is, the control unit 6 sequentially reads out all the image data specified for the film from the memory unit 3 and transfers the image data to the plotter unit 4, and the specified number of sheets of film data are transferred to the film by the plotter unit 4. Record output. At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d storing the film of the paper type to be recorded, and
Then, the film is conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output image data on the film. The control unit 6 also controls the fixing roller 1 of the fixing unit 15 based on the detection result of the temperature sensor 18.
The temperature of 6 is controlled to the fixing temperature for the film.

The control unit 6 executes all of the film jobs, or when there is no remaining job specifying the film in step S203, out of the three types of paper,
It is checked whether or not there is a job in the reserved copy mode in which a job in which plain paper, which is the paper type having the next highest fixing temperature, is designated as paper is in the reserved copy mode (step S205). Execute all the jobs for which plain paper is specified as the paper type (step S20).
6). In other words, the control unit 6 sequentially reads out all the designated image data of the plain paper from the memory unit 3 and transfers the image data to the plotter unit 4, and the plotter unit 4 stores the designated image data by the designated number of sheets. Record output on plain paper.
At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the plain paper of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. The plain paper is conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output image data on the plain paper. Further, the control unit 6 controls the temperature sensor 1
8, the fixing roller 16 of the fixing unit 15
Is controlled to the fixing temperature for plain paper.

The control unit 6 executes all of the plain paper jobs, or if there is no job specifying plain paper in step S205, the control unit 6 has the highest fixing temperature next to plain paper among the above three types of paper. It is checked whether or not there is a job in which the paper type Trepez is specified as the paper in the reserved copy mode job (step S207). If there is a job in which Trepez is specified, the job in which Trepez is specified as the paper type Are all executed (step S208). That is,
The control unit 6 sequentially reads out all the image data for which the trepe is specified from the memory unit 3, transfers the image data to the plotter unit 4, and records and outputs the specified number of image data to the trepe by the plotter unit 4. Let it. At this time, the control unit 6
Is a paper feed cassette 1 containing a treble, which is the paper type to be recorded, based on the detection result of the paper type detection sensor.
1a to 11d are selected, and the plotter section 4 causes the treble to be conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output image data on the trepe. Further, the control unit 6 controls the temperature of the fixing roller 16 of the fixing unit 15 to a fixing temperature for treble based on the detection result of the temperature sensor 18.

If the current copy is not a film in step S202, the control unit 6 checks whether the current copy is plain paper (step S209).
If the paper type of the current copy is plain paper, it is checked whether or not the job of the plain paper type remains in the job in the reserved copy mode (step S210).

When there is a job whose paper type is plain paper, the control unit 6 executes all jobs for which plain paper is specified as the paper type (step S211). In other words, the control unit 6 sequentially reads out all the specified image data of the plain paper from the memory unit 3 and transfers the image data to the plotter unit 4, and the plotter unit 4 controls the specified number of sheets. Record output on plain paper. At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the plain paper of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. The plain paper is conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output image data on the plain paper. Further, the control unit 6 controls the temperature of the fixing roller 16 of the fixing unit 15 to a fixing temperature for plain paper based on the detection result of the temperature sensor 18.

The control unit 6 executes all the plain paper jobs, or when there is no job specifying plain paper at step S210, the fixing temperature is set next to the plain paper among the above three types of paper. It is checked whether or not there is a job in the reserved copy mode in which a treble sheet of a high paper type is specified as paper (step S212). Then, all the jobs are executed (step S213). That is, the control unit 6 sequentially reads out all the image data for which the treble is specified from the memory unit 3 and transfers the image data to the plotter unit 4. Record output. At this time,
The control unit 6 selects the paper feed cassettes 11a to 11d containing the paper type to be recorded based on the detection result of the paper type detection sensor, and sends the selected paper feed cassette to the plotter unit 4. The treble is transported from the cassettes 11a to 11d to the photosensitive drum 13 to record and output the image data on the treble. Further, the control unit 6 controls the temperature of the fixing roller 16 of the fixing unit 15 to a fixing temperature for treble based on the detection result of the temperature sensor 18.

The control unit 6 executes all the treble jobs, or if there is no job specifying the treble in step S212, the treble having the highest fixing temperature among the three types of paper is designated. Now that we have finished the job,
It is checked whether there is a job in the reserved copy mode in which a film of the remaining paper type among the above three paper types is specified as the paper (step S214). Then, all the jobs for which the film type is specified as the paper type are executed (step S215). That is, the control unit 6 sequentially reads out all the image data specified for the film from the memory unit 3 and transfers the image data to the plotter unit 4, and the specified number of sheets of film data are transferred to the film by the plotter unit 4. Record output. At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d storing the film of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. Paper cassette 11a
11d through 11d, the film is conveyed to the photosensitive drum 13 to record and output image data on the film. The control unit 6 also controls the fixing unit 1 based on the detection result of the temperature sensor 18.
The temperature of the fixing roller 16 is controlled to the fixing temperature for the film.

If the current copy is not plain paper in step S209, as shown in FIG. 4, the controller 6 checks whether the current copy is treble (step S216), and the paper type of the current copy is not trepe. In some cases, the process ends.

If the paper type of the current copy is treble in step S216, the control unit 6 checks whether there is a job whose paper type is treble in the job in the reserved copy mode (step S217). If there are remaining jobs that are treble, all the jobs for which treble is specified as the paper type are executed (step S21).
1). That is, the control unit 6 sequentially reads out all the image data for which the treble is specified from the memory unit 3 and transfers the image data to the plotter unit 4, and the plotter unit 4 performs the treble To be recorded and output.
At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the treble, which is the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. The treble is conveyed from the supplied paper cassettes 11a to 11d to the photosensitive drum 13 to record and output the image data on the treble. Further, the control unit 6 controls the temperature sensor 1
8, the fixing roller 16 of the fixing unit 15
Is controlled to the fixing temperature for trepe.

The control unit 6 executes all the treble jobs, or when there is no job specifying the treble in step S217, the treble having the highest fixing temperature among the three paper types is designated. Is completed, the job in which the film having the lower fixing temperature as the paper type among the remaining two paper types of the above three paper types is designated as the paper type is set in the reserved copy mode. (Step S219), and if there is a job for which a film is specified, all the jobs for which a film is specified as a paper type are executed (step S219).
220). That is, the control unit 6 sequentially reads out all the image data specified for the film from the memory unit 3 and transfers the image data to the plotter unit 4, and the specified number of sheets of film data are transferred to the film by the plotter unit 4. Record output. At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d storing the film of the paper type to be recorded,
The selected paper feed cassettes 11a to 11a
From 1d, the film is conveyed to the photosensitive drum 13 to record and output image data on the film. The control unit 6
Is determined based on the detection result of the temperature sensor 18.
Of the fixing roller 16 is controlled to the fixing temperature for the film.

The control unit 6 executes all the film jobs or, if there is no job specifying a film in step S219, of the three types of paper, the paper type having the next highest fixing temperature after the film is selected. It is checked whether or not a job in which a certain plain paper is designated as paper is a job in the reserved copy mode (step S221). If there is a job in which plain paper is designated, the job in which plain paper is designated as the paper type is determined. Are all executed (step S222). That is, the control unit 6 sequentially reads out all the designated image data of the plain paper from the memory unit 3 and transfers the image data to the plotter unit 4. Record output on paper. At this time, based on the detection result of the paper type detection sensor, the control unit 6 selects the paper feed cassettes 11a to 11d containing the plain paper of the paper type to be recorded, and sends the selected paper cassette to the plotter unit 4. The plain paper is conveyed from the selected paper feed cassettes 11a to 11d to the photosensitive drum 13 to record and output image data on the plain paper. Further, the control unit 6 controls the temperature of the fixing roller 16 of the fixing unit 15 to a fixing temperature for plain paper based on the detection result of the temperature sensor 18.

As described above, the digital copying apparatus 1 of the present embodiment temporarily stores a plurality of image data of a document read by the scanner unit 2 in the memory unit 3 and sequentially reads out the image data from the memory unit. Each paper feed cassette 11a-1
1d, based on the detection result of the paper type detection sensor that detects the paper type of the paper loaded on the paper feed cassette 1d, the paper feed cassettes 11a to 11a to which the paper of the paper type designated by the display / operation unit 5 is placed.
From 1d, the paper is conveyed to the photosensitive drum 13, and the image formation is performed with priority given to the paper of the same paper type as that of the paper on which the image was formed first. When the process is completed, an image forming order control process is performed in which an image is sequentially formed from a sheet of the paper type having the highest fixing temperature next to the paper type of the sheet on which the image formation has been completed to a sheet of the paper type having the highest fixing temperature.

Therefore, when the reserved copy process is performed on a plurality of paper types, the image formation is first performed on the paper type of the paper type on which the image has been formed first, and thereafter the first image is formed. It is possible to form images collectively according to the fixing temperature on the paper of the paper type having the highest fixing temperature next to the paper of the paper type having the highest fixing temperature. Even when the paper type does not have a low fixing temperature, the fixing idling time until the fixing unit 15 reaches the fixing temperature of the paper type for each paper type can be shortened, and the processing speed of image formation can be improved. At the same time, the usability of the digital copying apparatus 1 can be improved.

Although the invention made by the inventor has been specifically described based on the preferred embodiments, the invention is not limited to the above-described embodiment, and various modifications can be made without departing from the gist of the invention. It goes without saying that it is possible.

[0061]

According to the digital copying apparatus of the present invention, the image data of the document read by the reading means is temporarily stored in the memory means for a plurality of times, and the image data is sequentially read from the memory means. On the basis of the detection result of the paper type detecting means for detecting the paper type of the paper placed on the paper feeding means, the image forming means is switched from the paper feeding means on which the paper of the paper type designated by the operating means is placed. The paper is conveyed to form an image for the number of sheets designated by the operation unit based on the image data, and the fixing unit heats the image on the paper at a fixing temperature according to the paper type of the paper. When performing a reserved copy mode process for fixing, if there are a plurality of types of paper specified by the operation unit, an image forming order control process for sequentially forming an image from a paper type of a paper type having a low fixing temperature is performed. ,plural When performing a reserved copy process on different types of paper, it is possible to collectively form images according to the fixing temperature from a paper of a lower fixing temperature to a paper of a higher fixing temperature, and the fixing unit is used for the paper type. Each time, the fixing idling time until reaching the fixing temperature of the paper type is shortened, the processing speed of image formation can be improved, and the usability of the digital copying apparatus can be improved.

According to the digital copying apparatus of the present invention, the image data of the document read by the reading means is temporarily stored in the memory means for a plurality of times, and the image data is sequentially read out from the memory means. Based on the detection result of the paper type detection unit that detects the paper type of the paper placed on the unit, the paper supply unit on which the paper of the paper type specified by the operation unit is placed is sent to the image forming unit. The sheet is conveyed, and image formation is performed with priority given to a sheet of the same paper type as that of the sheet on which the image was formed first, and when all image formation on the sheet of the paper type is completed, the image formation ends. The image forming order control process for forming images sequentially from the paper type having the highest fixing temperature to the paper type having the highest fixing temperature next to the paper type of the selected paper is performed. When processing,
The image formation on the paper of the paper type on which the image was formed first is prioritized to form the image collectively, and thereafter, the fixing temperature is sequentially increased on the paper of the paper type having the next highest fixing temperature after the first paper type. Images can be collectively formed on paper of the paper type according to the fixing temperature, and even if the paper type of the paper on which the image is formed first is not a paper type having a low fixing temperature, the fixing unit is set for each paper type. By shortening the fixing idling time until the fixing temperature of the paper type is reached, the processing speed of image formation can be improved, and the usability of the digital copying apparatus can be improved.

According to the digital copying apparatus of the third aspect of the present invention, only when the image forming order control processing function is set to ON by the selection means for selectively operating on / off of the image forming order control processing function. Since the image forming order control processing is performed, it is possible to cope with the user's intention such as wanting to form images in the order in which the originals are set, and the usability of the digital copying apparatus can be further improved.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a digital copying apparatus to which a first embodiment of a digital copying apparatus according to the present invention is applied.

FIG. 2 is a flowchart showing a recording order control process based on a paper type in a reserved copy mode by the digital copying apparatus of FIG. 1;

FIG. 3 is a flowchart showing a recording order control process based on a paper type in a reserved copy mode by a digital copying apparatus to which a second embodiment of the digital copying apparatus of the present invention is applied.

FIG. 4 is a flowchart showing a continuation of a recording order control process based on a paper type in the reserved copy mode of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Digital copying apparatus 2 Scanner part 3 Memory part 4 Plotter part 5 Display / operation part 6 Control part 11a-11d Paper cassette 12a-12d Paper supply roller 13 Photoconductor drum 14 Transfer part 15 Fixing part 16 Fixing roller 17 Pressure roller 18 Temperature sensor

Claims (3)

[Claims] 1. A reading means for reading an image of a document, a memory means capable of storing a plurality of image data of the document read by the reading means, and a plurality of paper feeding means capable of placing sheets of different paper types. Paper type detecting means for detecting a paper type of the paper placed on each of the paper feeding means, and the paper conveyed from one of the paper feeding means based on image data in the memory means An image forming unit for forming an image on the sheet, a fixing unit for heating and fixing the image on the sheet formed by the image forming unit at a fixing temperature corresponding to the type of the sheet, and at least the number of images to be formed. Operating means for designating the type of paper and the type of paper; and causing the reading means to read an image of the document, temporarily storing a plurality of pieces of image data of the document read by the reading means in the memory means, The image data is sequentially read out from the stage, and based on the detection result of the paper type detection unit, the image forming unit transmits the image data from the paper supply unit on which the paper of the paper type specified by the operation unit is placed. The sheet is conveyed, and after the image forming is performed by the number of sheets specified by the operation unit based on the image data, the fixing unit fixes the image on the sheet according to the type of the sheet. A control unit for performing a reserved copy mode process of heating and fixing at a temperature, wherein the control unit includes a plurality of types of the paper types specified by the operation unit in the reserved copy mode. The image forming order control process for sequentially forming an image from the image formation on the paper type of the paper type having the lower fixing temperature. 2. A reading device for reading an image of a document, a memory device capable of storing a plurality of image data of the document read by the reading device, and a plurality of paper feeding devices capable of mounting sheets of different paper types. Paper type detecting means for detecting a paper type of the paper placed on each of the paper feeding means, and the paper conveyed from one of the paper feeding means based on image data in the memory means An image forming unit for forming an image on the sheet, a fixing unit for heating and fixing the image on the sheet formed by the image forming unit at a fixing temperature corresponding to the type of the sheet, and at least the number of images to be formed. Operating means for designating the type of paper and the type of paper; and causing the reading means to read an image of the document, temporarily storing a plurality of pieces of image data of the document read by the reading means in the memory means, The image data is sequentially read out from the stage, and based on the detection result of the paper type detection unit, the image forming unit transmits the image data from the paper supply unit on which the paper of the paper type specified by the operation unit is placed. The sheet is conveyed, and after the image forming is performed by the number of sheets specified by the operation unit based on the image data, the fixing unit fixes the image on the sheet according to the type of the sheet. A control unit for performing a reserved copy mode process of heating and fixing at a temperature, wherein the control unit performs the reserved copy mode, wherein the same paper type as the paper type of the paper on which an image is formed first is used. The image forming is performed by giving priority to the type of paper, and when all the image formation on the paper of the paper type is completed, the paper of the paper type having the next highest fixing temperature after the paper type of the paper on which the image formation has been completed is performed. Sequential fixing temperature Digital copying apparatus and performs image formation sequence control processing to perform image formation to a high paper type of the paper. 3. The digital copying apparatus further comprises a selection unit for selectively operating on / off of the image forming order control processing function, wherein the control unit turns on the image forming order control processing function by the selection unit. 3. The digital copying apparatus according to claim 1, wherein the image forming order control processing is performed only when the setting is set to.