US20130099440A1 - Printing system and control method thereof - Google Patents

Printing system and control method thereof Download PDF

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Publication number
US20130099440A1
US20130099440A1 US13/610,436 US201213610436A US2013099440A1 US 20130099440 A1 US20130099440 A1 US 20130099440A1 US 201213610436 A US201213610436 A US 201213610436A US 2013099440 A1 US2013099440 A1 US 2013099440A1
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Prior art keywords
sheet
storage unit
paper
paper feed
sheet storage
Prior art date
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Abandoned
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US13/610,436
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English (en)
Inventor
Yukiyoshi Hikichi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Assigned to CANON KABUSHIKI KAISHA reassignment CANON KABUSHIKI KAISHA ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HIKICHI, YUKIYOSHI
Publication of US20130099440A1 publication Critical patent/US20130099440A1/en
Priority to US14/519,028 priority Critical patent/US20150035221A1/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/26—Duplicate, alternate, selective, or coacting feeds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/0075—Low-paper indication, i.e. indicating the state when copy material has been used up nearly or completely
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J11/00—Devices or arrangements  of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
    • B41J11/48—Apparatus for condensed record, tally strip, or like work using two or more papers, or sets of papers, e.g. devices for switching over from handling of copy material in sheet form to handling of copy material in continuous form and vice versa or point-of-sale printers comprising means for printing on continuous copy material, e.g. journal for tills, and on single sheets, e.g. cheques or receipts
    • B41J11/485—Means for selecting a type of copy material amongst different types of copy material in the printing apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/103—Sheet holders, retainers, movable guides, or stationary guides for the sheet feeding section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/04—Supports or magazines for piles from which articles are to be separated adapted to support articles substantially horizontally, e.g. for separation from top of pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H1/00—Supports or magazines for piles from which articles are to be separated
    • B65H1/28—Supports or magazines for piles from which articles are to be separated compartmented to receive piles side-by-side
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H3/00—Separating articles from piles
    • B65H3/44—Simultaneously, alternately, or selectively separating articles from two or more piles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/20—Controlling associated apparatus

Definitions

  • the present invention relates to a technique for arranging, grouping, and using a plurality of sheet storage units.
  • paper feed cassettes sheet storage units
  • these paper feed cassettes are grouped and handled. According to this technique, for an input print job which designates a given paper feed cassette, even if paper in the given paper feed cassette runs out, the print job can be executed by feeding paper from another paper feed cassette of a group to which the given paper feed cassette belongs.
  • the operation panel when notifying the operator of the absence of paper, the operation panel highlights a paper feed cassette designated by the printer driver or a paper feed cassette selected by the paper feed cassette auto select function.
  • a paper feed cassette which runs out of paper. If paper of a paper size or paper type which is rarely used but happens to be necessary for the current print job is loaded in the frequently used paper feed cassette, the paper in the paper feed cassette is highly likely to be replaced again for a subsequent print job. As a whole, paper replacement work increases.
  • An aspect of the present invention is to eliminate the above-mentioned problems with the conventional technology.
  • the present invention provides a technique of, when no target sheet exists in a sheet storage unit selected as a paper feed source, reliably notifying the user of an optimum sheet storage unit in which sheets should be replaced or set in a group to which the selected sheet storage unit belongs.
  • the present invention in its first aspect provides a printing system which feeds a sheet from a plurality of sheet storage units and prints an image on the fed sheet, comprising: a storage unit configured to store a size of a sheet set in each sheet storage unit of the plurality of sheet storage units; a registration unit configured to register, as one group, at least two sheet storage units out of the plurality of sheet storage units; a first print control unit configured to, in a case where a sheet storage unit selected as a paper feed source stores a sheet of a size designated by a print job, print an image on a sheet fed from the sheet storage unit; a second print control unit configured to, in a case where the sheet storage unit selected as the paper feed source does not store a sheet of the size designated by the print job, feed a sheet from a sheet storage unit which stores a sheet of the size designated by the print job within a group to which the selected sheet storage unit belongs, and print an image on the fed sheet; and a notification unit configured to, in a case where the sheet storage unit selected as
  • the present invention in its second aspect provides a control method of controlling a printing system which feeds a sheet from a plurality of sheet storage units and prints an image on the fed sheet, comprising: a storage step of storing, in a storage unit, a size of a sheet set in each sheet storage unit of the plurality of sheet storage units; a registration step of registering, as one group, at least two sheet storage units out of the plurality of sheet storage units; a first print control step of, in a case where a sheet storage unit selected as a paper feed source stores a sheet of a size designated by a print job, printing an image on a sheet fed from the sheet storage unit; a second print control step of, in a case where the sheet storage unit selected as the paper feed source does not store a sheet of the size designated by the print job, printing an image on a sheet fed from a sheet storage unit which stores a sheet of the size designated by the print job within a group to which the selected sheet storage unit belongs; and a notification step of, in a case where the
  • FIG. 1 is a block diagram exemplifying the configuration of a printer control system according to an embodiment
  • FIG. 2 is a functional block diagram showing a printer according to the embodiment
  • FIG. 3 is a view exemplifying a screen display used in a paper feed cassette group setting unit
  • FIGS. 4A and 4B are views showing display examples of guidance information generated by a paper replacement method guidance generation unit
  • FIG. 5 is a flowchart for explaining paper replacement method guidance display processing by the printer according to the embodiment.
  • FIG. 6 is a flowchart for explaining paper size/paper type search processing in step S 501 of FIG. 5 ;
  • FIG. 7 is a flowchart for explaining paper size/paper type change guidance generation processing in step S 506 of FIG. 5 ;
  • FIG. 8 is a flowchart for explaining paper size/paper type switching recommended cassette search processing in step S 701 of FIG. 7 ;
  • FIG. 9 is a flowchart for explaining cassette guidance generation processing for another group in step S 702 of FIG. 7 .
  • FIG. 1 is a block diagram exemplifying the configuration of the printer control system according to the embodiment.
  • a client PC 120 inputs a print job to a printer 100 via a network I/F 106 .
  • the client PC 120 receives the notification of a status change of the printer 100 , and the progress of a print job via the network I/F 106 .
  • the printer 100 includes a main controller 112 for controlling the printer 100 , and a printing unit 110 .
  • the printing unit 110 includes a printing mechanism, mechanical components such as a sensor, an electrical circuit for controlling them, and software.
  • the printing unit 110 and main controller 112 are connected by a printing unit I/F 107 , and can transmit video signals for image formation and read out sensor values representing the remaining amount of paper and the like.
  • a CPU 101 is the center of the main controller 112 .
  • the CPU 101 implements a print operation by controlling the printing unit 110 while reading out from and writing data in a RAM 102 in accordance with a control program stored in a program ROM 104 .
  • the main controller 112 also includes a font 103 for expressing a character, and a data ROM 105 for saving fixed values.
  • An external memory 109 is used to save a large amount of data such as image data.
  • the external memory 109 also stores optional software and the like (not shown).
  • An operation unit 108 includes input keys for accepting an instruction from the operator by the printer 100 , and a display unit for displaying the state of the printer 100 .
  • FIG. 2 is a block diagram showing the functional arrangement of the printer 100 according to the embodiment.
  • a paper feed storage unit 201 and printing process unit 208 are hardware units of the printing unit 110 . More specifically, the paper feed storage unit 201 includes a plurality of paper feed cassettes (sheet storage units) which store paper (sheets).
  • the printer 100 includes a plurality of paper feed cassettes, and can store a large amount of sheets and print on a large amount of sheets without stopping the print operation.
  • Each paper feed cassette includes a remaining paper amount sensor, and can detect the absence of paper and the remaining amount of paper in the paper feed cassette.
  • There are a plurality of types of remaining paper amount sensors including one which detects a paper level from the side using a reflective sensor, and one which measures the moving amount of a tray for moving up a paper bundle for paper feed.
  • the printing process unit 208 generates an image by an electrophotographic process or the like on paper supplied from a paper feed cassette of the paper feed storage unit 201 that is designated by a job control unit 207 of the main controller 112 .
  • the printing process unit 208 and job control unit 207 are important function components of the main controller 112 , but are not directly relevant to the present invention and will not be described in detail.
  • a paper feed cassette group setting unit (sheet storage unit group setting) 202 and intra-group paper feed switching control unit 205 are implemented by software programs saved in the program ROM 104 , and the CPU 101 .
  • the software programs notify the operator of information by displaying an image on a display unit 108 a of the operation unit 108 .
  • the printer 100 accepts an input from the operator using the key of the operation unit 108 .
  • the paper feed cassette group setting unit 202 is a function of creating a paper feed group.
  • the paper feed cassette group setting unit 202 groups paper feed cassettes in the paper feed storage unit 201 by using a user interface screen shown in FIG. 3 (to be described later).
  • the intra-group paper feed switching control unit 205 determines, based on information of paper stored in the paper feed storage unit 201 and information of the paper feed cassette group setting unit 202 , a paper feed cassette in the group from which a sheet should be supplied.
  • a paper replacement (sheet replacement) method guidance generation unit 204 , paper replacement (sheet replacement) condition setting holding unit 209 , and paper feed history storage unit 210 are also implemented by software programs saved in the program ROM 104 , the CPU 101 , the external memory 109 , and the like.
  • the main controller 112 stores a paper feed history in the external memory 109 (paper feed history storage unit 210 ) every time paper is fed from a paper feed cassette in the paper feed storage unit 201 .
  • the paper replacement condition setting holding unit 209 stores, in the external memory 109 , a condition input by the operator via the operation unit 108 . Based on these pieces of stored information, the paper replacement method guidance generation unit 204 creates guidance about a paper replacement method for displaying a screen as shown in FIG.
  • the contents of the guidance are, for example, the paper size of a paper feed cassette, the confirmed amount of paper in the paper feed cassette, paper feed cassette grouping information, and a paper feed cassette in which paper should be replaced.
  • FIG. 4A exemplifies the paper size and amount of paper stored in each of grouped paper feed cassettes.
  • printing is done on A4-size paper and A3-size paper.
  • Paper feed cassette 2 of group 1 stores A4-size plain paper
  • paper feed cassette 2 is recommended as a paper feed cassette for storing A3-size paper.
  • paper feed cassette 1 of group 1 is a paper feed cassette preferentially used for other print jobs, and a change of its paper type and paper size is inhibited.
  • Paper feed cassette 8 of group 3 stores A3-size plain paper. However, it is displayed that paper feed cassette 8 is not available because it belongs to another group.
  • FIG. 3 is a view exemplifying a screen display used in the paper feed cassette group setting unit 202 .
  • these paper feed cassettes are grouped and can be used as a large-volume paper feed cassette. That is, when one paper feed cassette in a given group becomes empty or a print job requests paper not stored in the paper feed cassette, paper in another paper feed cassette in the group is used.
  • the printer can print continuously without stopping print processing.
  • the display unit 108 a of the operation unit 108 displays a group setting screen, and an item is selected based on an input from the touch panel of the operation unit 108 .
  • a paper feed cassette list serving as an example of the paper feed storage unit 201 is displayed on the left side of the screen.
  • the remaining amount of paper in each paper feed cassette is displayed as an icon, and the paper size and paper type are displayed as text.
  • a check box representing whether sheet replacement is possible, and a pull-down choice are prepared beside each paper feed cassette. No check mark in the check box means that sheet replacement is possible.
  • a check mark means that paper change is inhibited.
  • a paper feed cassette with the check mark is excluded from paper feed cassettes serving as paper replacement candidates detected by a paper search unit 203 .
  • a pull-down list at the right end is used to designate a group to which each paper feed cassette is to belong. All paper feed cassettes are grouped based on designated group numbers.
  • paper feed cassettes 1 to 3 are grouped into group 1 .
  • Paper feed cassettes 4 and 5 are grouped into group 2 .
  • Paper feed cassettes 6 to 8 are grouped into group 3 .
  • their check boxes are checked to inhibit paper change.
  • a print job input from the client PC 120 designates a paper feed cassette to be used for the print job.
  • paper in the designated paper feed cassette runs out or when paper of a size or type not stored in the paper feed cassette becomes necessary, it is detected whether the necessary paper exists in a paper feed cassette in the same group as that of the designated paper feed cassette. If the necessary paper is detected in the group, the printer 100 continues the print job using paper in the detected paper feed cassette.
  • FIG. 4A is a view exemplifying a paper replacement guidance screen in which the display unit 108 a of the operation unit 108 displays guidance information generated by the paper replacement method guidance generation unit 204 .
  • paper feed cassettes 1 to 8 are displayed.
  • paper feed cassettes 1 to 3 are classified into group 1
  • paper feed cassettes 4 and 5 are classified into group 2
  • cassettes 6 to 8 are classified into group 3 .
  • a print job is a size-mixed job using A4 and A3 sizes. Since no A3-size paper exists in group 1 , a paper out error occurs. This job requests the paper feed source to use group 1 .
  • the operator can cancel the error by changing the paper size of designated cassette 2 without hesitation.
  • FIG. 4B is a view exemplifying a paper replacement guidance screen when the paper feed cassette group setting unit 202 inhibits paper replacement of all paper feed cassettes in a group.
  • the screen is the same as that of FIG. 4A except for guidance at the top of the screen, and a description thereof will not be repeated. Since paper replacement is inhibited for all paper feed cassettes of group 1 , the guidance prompts the operator to replace, with A3-size paper, paper in any paper feed cassette in group 1 designated by the job. In this example, it is considered that the printer 100 often receives jobs which use all the paper feed cassettes of group 1 for the A4 size. Hence, the main controller 112 displays a message to return to original A4-size paper in the changed paper feed cassette after the end of the print job using the A3 size during execution. Subsequent A4-size print jobs can be executed using all the paper feed cassettes of group 1 .
  • a paper replacement method guidance display processing sequence by the main controller 112 according to the embodiment will be explained with reference to the flowchart of FIG. 5 .
  • a program regarding this sequence for the main controller 112 is stored in the program ROM 104 or external memory 109 (for example, hard disk) of the main controller 112 , read out into the RAM 102 , and executed by the CPU 101 .
  • FIG. 5 is a flowchart for explaining paper replacement method guidance display processing by the printer 100 according to the embodiment. This processing starts in a situation in which no necessary paper exists in a paper feed cassette designated by a print job while the main controller 112 processes the print job. This processing is achieved by executing, by the CPU 101 , a program which is stored in the program ROM 104 and expanded in the RAM 102 .
  • a paper feed cassette designated by a print job When a paper feed cassette designated by a print job stores paper of a designated paper size and paper type, printing is performed on the paper (sheet) fed from the paper feed cassette (first print control).
  • a paper feed cassette designated by a print job does not store sheets of a size and type designated by the print job, a paper feed cassette which stores sheets of the paper size and paper type designated by the print job is determined in the group. An image is printed on a sheet fed from the determined paper feed cassette (second print control).
  • step S 501 the main controller 112 searches a currently selected group for a paper feed cassette capable of storing paper of a paper size and paper type necessary for a print job. Details of the paper size/paper type search processing will be explained with reference to the flowchart of FIG. 6 .
  • FIG. 6 is a flowchart for explaining the paper size/paper type search processing in step S 501 of FIG. 5 .
  • step S 601 the main controller 112 initializes a list for notifying a switching candidate paper feed cassette prior to processing.
  • the process advances to step S 602 , and the main controller 112 determines, for all paper feed cassettes in a currently selected group, whether a paper feed cassette capable of storing a paper size and paper type requested by the print job exists in the group. If all the paper feed cassettes have not been checked, the process advances to step S 603 , and the main controller 112 reads out, from a paper feed cassette of the group, a paper size and paper type serving as attributes of the paper feed cassette.
  • the paper size may be automatically detected from the position of a paper guide, or input by the operator using the operation unit 108 .
  • step S 604 the main controller 112 determines whether the paper size and paper type requested by the print job coincide with the attributes of the target paper feed cassette. If the paper size and paper type coincide with the attributes, the process advances to step S 605 , and the main controller 112 stores the number of the detected paper feed cassette in the switching candidate cassette list. Then, the process advances to step S 606 . If the main controller 112 determines in step S 604 that the paper size and paper type do not coincide with the attributes, the process advances to step S 606 , and the main controller 112 changes the paper feed cassette to be checked to the next paper feed cassette. If all the paper feed cassettes have been checked in step S 602 , the main controller 112 notifies the calling source of the switching candidate cassette list, and ends the search processing.
  • step S 502 the main controller 112 determines, by referring to the switching candidate cassette list, whether a paper feed cassette coincident with the paper size and paper type exists in the current group. If the main controller 112 determines that a coincident paper feed cassette exists, the process advances to step S 503 , and the main controller 112 determines whether paper remains in the paper feed cassette. If paper remains, the process advances to step S 505 , and the main controller 112 continues the job by switching the paper feed cassette for use to the coincident paper feed cassette.
  • step S 503 determines in step S 503 that no paper remains in the paper feed cassette. If the main controller 112 determines in step S 503 that no paper remains in the paper feed cassette, the process advances to step S 504 , and the main controller 112 displays a message on the display unit 108 a of the operation unit 108 to prompt the operator to replenish the paper feed cassette with paper. After the paper feed cassette is replenished with necessary paper, the main controller 112 continues the interrupted print job.
  • step S 506 determines in step S 502 that a paper feed cassette coincident with the paper size and paper type does not exist in the current group.
  • the main controller 112 generates guidance representing a paper feed cassette which should store paper of the paper size and paper type necessary for the print job. Details of the generation processing will be described later with reference to the flowchart of FIG. 7 .
  • the process advances to step S 507 , and the main controller 112 displays the guidance obtained by the processing of step S 506 on the display unit 108 a of the operation unit 108 , and presents (notifies), to the user, a sheet storage unit capable of storing sheets of the designated size and type.
  • FIG. 7 is a flowchart for explaining paper size/paper type change guidance generation processing in step S 506 of FIG. 5 .
  • step S 701 paper size/paper type switching recommended cassette search processing is performed. Details of this processing will be explained later with reference to FIG. 8 .
  • the guidance is displayed to replace paper of a paper feed cassette designated by the client computer 120 .
  • a designated paper feed cassette is frequently used, so it is not preferable to change the paper size and paper type of the paper feed cassette. This is because, when another job is input, the paper size and the like of the paper feed cassette are highly likely to be changed again and the productivity of the overall apparatus may decrease.
  • step S 702 the process advances to step S 702 to perform cassette guidance generation processing for another group. Details of this processing will be explained later with reference to FIG. 9 .
  • paper is selected only within the same group.
  • the determination contents of the printer 100 are presented as guidance, and the operator of the printer 100 can execute the operation without confusion.
  • FIG. 8 is a flowchart for explaining the paper size/paper type switching recommended cassette search processing in step S 701 of FIG. 7 .
  • a paper feed cassette whose paper size and paper type are to be switched is preferably a paper feed cassette which is rarely used.
  • the paper feed cassette search order is changed using the paper feed frequency.
  • the main controller 112 incorporates and uses the paper feed history storage unit 210 ( FIG. 2 ) which stores a paper feed cassette, size, and paper count.
  • the main controller 112 determines whether all the paper feed cassettes of the paper feed storage unit have been checked. If all the paper feed cassettes have not been checked, the process advances to step S 803 .
  • the main controller 112 determines whether the paper feed cassette group setting unit 202 inhibits paper change of the paper feed cassette. If the main controller 112 determines that change is not inhibited, the process advances to step S 806 , and the main controller 112 interrupts the search, generates guidance to change paper of the paper feed cassette, and ends the processing.
  • step S 803 If the main controller 112 determines in step S 803 that change of the paper size and paper type of the paper feed cassette is inhibited, the process advances to step S 804 , and the main controller 112 adds display guidance representing that the paper feed cassette inhibits paper replacement. The process advances to step S 805 to check the next paper feed cassette, and then to step S 802 .
  • this group does not include a paper feed cassette capable of setting paper usable for the print job.
  • the process advances to step S 807 , and the main controller 112 displays a message that this group does not include a paper feed cassette capable of setting paper usable for the print job.
  • the user changes paper of any paper feed cassette in the group to the paper size or paper type designated by the print job, and continues the print job.
  • the main controller 112 generates a message to prompt the user to return paper in the paper feed cassette to an original paper size and paper type set by the administrator after the end of the print job.
  • a paper feed cassette number is substituted into “% d” used in a guidance character string in FIG. 8 .
  • a paper size name and paper type name are substituted into “% s”.
  • step S 803 uses the paper change inhibition/permission setting value designated by the paper feed cassette group setting unit 202 , it may use another condition. For example, when it is recognized in advance that a print job spooled in the main controller 112 uses a paper feed cassette, the use of the paper feed cassette may be inhibited.
  • FIG. 9 is a flowchart for explaining the cassette guidance generation processing for another group in step S 702 of FIG. 7 .
  • This search processing is executed for all the paper feed cassettes of the printer 100 .
  • step S 901 the main controller 112 determines whether all the paper feed cassettes of the printer 100 have been checked. If all the paper feed cassettes of the printer 100 have not been checked, the process advances to step S 902 , and the main controller 112 determines whether the paper feed cassette to be checked belongs to the same group as that of a paper feed cassette designated by the print job. Since the guidance for the same group has already been generated in the switching recommended cassette search processing described with reference to FIG. 8 , the process advances to step S 905 . However, this processing targets only a paper feed cassette belonging to another group, and the process advances to step S 903 .
  • step S 903 the main controller 112 determines whether there is a paper feed cassette for which the same paper size and paper type as those requested by the print job are set. If there is a paper feed cassette for which the same paper size and paper type are set, the process advances to step S 904 , and the main controller 112 generates guidance representing that the paper feed cassette is not available because it belongs to a different group. After that, the process advances to step S 905 . If a paper feed cassette for which the same paper size and paper type are set does not exist in step S 903 , the process advances to step S 905 . In step S 905 , the main controller 112 targets the next paper feed cassette. The process returns to step S 901 to continue the search.
  • the embodiment has made an explanation on the premise of a plurality of paper feed cassettes. However, the same effects can be obtained even when all paper feed cassettes are handled as one group.
  • the embodiment has explained the operation unit using the liquid crystal display unit and touch panel.
  • the present invention is not limited to this technique. The same effects can be obtained even when, for example, a Web user interface is used via a network.
  • aspects of the present invention can also be realized by a computer of a system or apparatus (or devices such as a CPU or MPU) that reads out and executes a program recorded on a memory device to perform the functions of the above-described embodiment(s), and by a method, the steps of which are performed by a computer of a system or apparatus by, for example, reading out and executing a program recorded on a memory device to perform the functions of the above-described embodiment(s).
  • the program is provided to the computer for example via a network or from a recording medium of various types serving as the memory device (for example, computer-readable medium).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Controlling Sheets Or Webs (AREA)
US13/610,436 2011-10-21 2012-09-11 Printing system and control method thereof Abandoned US20130099440A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130135638A1 (en) * 2011-11-28 2013-05-30 Canon Kabushiki Kaisha Printing system, control method for printing system, and storage medium
US20150055175A1 (en) * 2013-08-22 2015-02-26 Canon Kabushiki Kaisha Control apparatus, printing apparatus, and storage medium
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CN103057266B (zh) 2015-07-01

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