US20050134899A1 - Printer control device and printer apparatus with a printer control device - Google Patents

Printer control device and printer apparatus with a printer control device Download PDF

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Publication number
US20050134899A1
US20050134899A1 US10/925,584 US92558404A US2005134899A1 US 20050134899 A1 US20050134899 A1 US 20050134899A1 US 92558404 A US92558404 A US 92558404A US 2005134899 A1 US2005134899 A1 US 2005134899A1
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United States
Prior art keywords
print data
image
storage
port
stored
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/925,584
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English (en)
Inventor
Akira Inoue
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.)
Konica Minolta Business Technologies Inc
Original Assignee
Konica Minolta Business Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Konica Minolta Business Technologies Inc filed Critical Konica Minolta Business Technologies Inc
Assigned to KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. reassignment KONICA MINOLTA BUSINESS TECHNOLOGIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: INOUE, AKIRA
Publication of US20050134899A1 publication Critical patent/US20050134899A1/en
Priority to US12/857,311 priority Critical patent/US8400662B2/en
Abandoned legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/18—Conditioning data for presenting it to the physical printing elements
    • G06K15/1801—Input data handling means
    • G06K15/1817—Buffers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1211—Improving printing performance
    • G06F3/1212—Improving printing performance achieving reduced delay between job submission and print start
    • G06F3/1213—Improving printing performance achieving reduced delay between job submission and print start at an intermediate node or at the final node
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/124—Parallel printing or parallel ripping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1275—Print workflow management, e.g. defining or changing a workflow, cross publishing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
    • G06F3/1285—Remote printer device, e.g. being remote from client or server
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
    • G06F3/1218—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources
    • G06F3/122—Reducing or saving of used resources, e.g. avoiding waste of consumables or improving usage of hardware resources with regard to computing resources, e.g. memory, CPU
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/126—Job scheduling, e.g. queuing, determine appropriate device
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/12—Digital output to print unit, e.g. line printer, chain printer
    • G06F3/1201—Dedicated interfaces to print systems
    • G06F3/1223—Dedicated interfaces to print systems specifically adapted to use a particular technique
    • G06F3/1237—Print job management
    • G06F3/1267—Job repository, e.g. non-scheduled jobs, delay printing

Definitions

  • the present invention relates to a printer control device and a printer apparatus equipped with a printer control device to receive print data from external device and create the print data into image data, specifically apparatuses having plural input ports for print data.
  • printer apparatuses have had plural input ports such as parallel interfaces, USB (Universal Serial Bus) and LAN (Local Area Network) to conform wide variety of interfacing methods.
  • serial interfaces Universal Serial Bus
  • LAN Local Area Network
  • the purpose of this invention is to provide a printer apparatus, which can handle concurrent input data from plural input ports without increasing the amount of the receiving buffer memory and image creating section.
  • a printer control device comprising:
  • receiving buffer memory ( 24 ) stores the print data related to the new job and the image creator ( 12 ) immediately creates image data from the print data.
  • storage ( 35 ) store the print data, and after that the stored data are read from storage ( 35 ) and image creator ( 12 ) creates image data from the print data.
  • One set of receiving buffer memory ( 24 ) and image creator ( 12 ) is enough. However, it also may be possible to provide plural sets of receiving buffer memory ( 24 ) and image creator ( 12 ) under the condition that the number of the set is less than the number of input port.
  • Image creator ( 12 ) is in use means that other than image creator ( 12 ) executes image creation activities, the situation that print data exit and wait for image creation via image creator ( 12 ) may be included, taking account that there are some intervals between jobs.
  • (Item 2) The printer control device of embodiment (Item 1) above, wherein when the image creator completes creating the image data based on the print data, the controller judges whether another print data is stored in the storage ( 35 ), and controls the image creator ( 12 ) to create the image data based on the stored data in case the another print data is stored in the storage ( 35 ).
  • an image creating process catches up with an input process, while reading out print data from storage ( 35 ), which belongs to the same job, and creating image data from the print data, the target storage device is changed from storage ( 35 ) to receiving buffer ( 24 ).
  • (Item 4) The printer control device of embodiment (Item 1) (Item 2) or (Item 3), wherein storage ( 35 ) is a hard disk drive.
  • the printer control device and the printer apparatus having the printer control device related to the embodiments above, when an image creator is used with other job, print data related to a new job can be received since the storage is assigned as a target storage device for the print data. Accordingly, it becomes possible to realize a concurrent receiver from plural input ports without increasing the number of receiving buffer, image creator, a bottle neck and/or time-out. Also it becomes possible to realize to concurrently receive print data from plural input ports while keeping cost of the apparatus low since it is not necessary to provide a receiving buffer and an image creator for each input port.
  • an image creating process catches up with input process, while reading out print from the storage and creating image data from the print data, the target storage device is changed from the storage device to a receiving buffer, the load of a processing will be decreased comparing with the load of a processing when the printing process is continued via the storage device. Even when print data related to a new job from another input port occurs, access concentration to a storage device is relieved since the job whose print data are processed into image data uses the receiving buffer.
  • FIG. 1 shows a configuration of a printer apparatus of an embodiment of this invention.
  • FIG. 2 shows relationship between operational modes of an embodiment of this invention, the status of previous jobs and whether spooling is necessary.
  • FIG. 3 is a flow chart showing the process of initiation of receiving print data of a new job in an embodiment of this invention.
  • FIG. 4 is a flow chart showing a process when completing the image creation related to a job in the printer apparatus of the embodiment of the present invention.
  • FIG. 5 is a flow chart showing the switching process used in a printer apparatus of this invention.
  • FIG. 6 is a table showing execution status of printing operations under a variety of conditions in the embodiment of the present invention.
  • Printer apparatus 10 having a functions to receive print data from external various apparatus such as personal computers and print images corresponding to print data onto paper recording sheets.
  • Printer apparatus 10 is designed to have plural input ports to input print data from external devices and printing data can be concurrently entered through input ports 31 - 33 .
  • Printer apparatus 10 features CPU (Central Processing Unit) 11 to control operations thereof.
  • CPU 11 functions as creating device 12 to transform print data to image data and as controller 13 to control the printing process flow from the input of the print data through the creation of image data.
  • Data bus of CPU 11 connects to ROM (Read Only Memory) 14 , RAM (Random Access Memory) 15 , frame memory 16 , printing section 17 , operation and display section 18 , ports controllers 21 , 22 and 23 , receiving buffer 24 and hard disk controller 25 .
  • ROM Read Only Memory
  • RAM Random Access Memory
  • First input port 31 is connected to first port controller 21
  • second input port 32 is connected to second port controller 22
  • third input port 33 is connected to third port controller 23 respectively.
  • Hard disk drive 35 is connected to hard disk controller 25 as a sub storage apparatus.
  • ROM 11 memorizes programs executed by CPU 11 and a variety of fixed data.
  • RAM 15 is a rewritable memory and temporarily memorizes necessary data for CPU 11 to execute the programs.
  • Frame memory 16 is to memorize image data, which image creator 12 creates. The capacity of frame memory 16 is arranged to store at least one page of image data printed on a paper recording sheet.
  • Print section 17 is a printer engine to read out image data stored in frame memory 16 and to form images onto paper recording sheets.
  • Print section 17 is comprised of a conveyance unit for the paper recording sheets, a photo-sensitive material drum, an electrostatic charger, a laser unit, a developing apparatus, an image transferring and separating apparatus, a cleaning apparatus and a fixing apparatus, and whereby it is so to speak a laser method printer engine.
  • Operation and display section 18 is composed of a liquid crystal display and a variety of operation switches and functions to display instructions and status of the various operations or to accept user input for the operations.
  • First port controller 21 functions to communicate with external device through input port 31 .
  • second port controller 22 functions to communicate with external device through second input port 32 and third controller 23 functions to communicate with external device through third input port 33 .
  • first input port 31 is a port to connect printer apparatus 10 to a network such as a LAN etc.
  • second input port 32 is used as a USB port
  • third input port 33 is used as a parallel port.
  • the number of ports and the classification are not limited to one shown in FIG. 1 .
  • Receiving buffer memory 24 is designed to temporarily store print data input through input ports 31 - 33 .
  • high-speed access semiconductor memory devices are used in the receiving buffer memory 24 .
  • capacity of receiving buffer memory 24 can be set appropriately. Capacity of a hard disk unit is far greater than that of receiving buffer 24 .
  • printer apparatus 10 As operational modes, printer apparatus 10 has a spooling mode, a non-spooling mode and an automatic mode when used in receiving print data and executing a printing. Operator can arbitrarily set and modify these spooling modes by operation display section 18 or through a network.
  • a spooling mode is an operational mode (the first receiving mode) to transform spooled print data into image data after temporarily storing all print data, which have been input, into hard disk unit 35 .
  • the start timing to read the spooled data it may be at any time if it is after the completion of storing operations or even before completion of the receiving data of the job storing operation in hard disk drive 35 .
  • a non-spooling mode is an operational mode (the second receiving mode) to successively create input print data into image data without spooling.
  • An automatic mode is an operational mode to determine automatically whether the input print data should be spooled based upon existing situation.
  • a judgment whether input print data should be stored (spooled) into hard disk unit 35 is determined based upon the situation whether image creator 12 is engaged in other jobs. Receiving processes proceeded in parallel are known as concurrent reception.
  • FIG. 2 is spooling condition chart 50 showing the relationship between the set spooling mode, status of previous jobs and designation of spooled operations.
  • a spooling mode the input print data is forced to be spooled in spite of the situation whether image creation of the previous jobs have been finished or not.
  • a non-spooling mode the input print data is not forced to be spooled in spite of the situation that image creation of the previous job has been finished or not.
  • the automatic mode the input print data is forced to be spooled when previous job has not been completed and are not forced to be spooled when the previous job has been completed.
  • printer apparatus 1 executes processes of image creation of a job in the order of input and to print them onto paper recoding sheets.
  • FIG. 3 is a flow chart showing the process of initiation of receiving print data of a new job in the automatic mode.
  • controller 13 of printer apparatus 10 checks whether image creator 12 is in use. If it is not in use (Step S 101 ; N), then (Step S 102 ) starts receiving print data after assigning receiving buffer 24 as a storage destination of print data of the new job. Also, (Step S 103 ) instructs image creator 12 to start image creation process of image data stored in receiving buffer 24 .
  • step S 101 When receiving a new print job while other jobs are using image creator 12 , step S 101 ; Y assigns hard disk unit 35 as a storage destination of the print data related to the new job and starts receiving the print data since the print data related to the new job can not be created immediately. (step S 104 )
  • a new job can be inputted from another input port.
  • the same input port can be used for receiving new print data related to the new job.
  • the storage destination for print data related to the new job is determined based on the situation whether image creator 12 is free.
  • FIG. 4 shows a flow chart when an image creation process has been completed.
  • the latest job, of which image creation process has been completed, is called a previous job and the subsequent job is then called the next job, in the following paragraph.
  • step S 201 ; Y Upon completion of image creation of a previous job (step S 201 ; Y) whether print data waiting for the image creation process resides in hard disk unit 35 is checked. When any print data resides (step S 202 ; Y), then direct image creator 12 to start processing of image creation of print data related to the input job, which has been input first among the jobs waiting for image creation process, and then completes the process.
  • the print data read from hard disk drive 35 is temporarily stored in buffer memory 24 before the image data creation.
  • another buffer which is dedicated to an image creation process, can be provided.
  • step S 202 When no print data waiting for the image creation resides in hard disk unit 35 (step S 202 ; N), the finishing process continues. Image creator 12 enters in a waiting status when no job is residing in it.
  • print data received via ports 31 - 33 are arranged to be stored in hard disk drive 35
  • print data which have been stored in hard disk drive 35
  • image data also can be read and created into image data via image creator 12 before the print data of the job have not been fully stored in hard disk drive 35 .
  • controller 13 when the image creation process surpasses the input process, namely, in regard to the print data of receiving job, no more print data resides in hard disk drive 35 , while executing the input process that is receiving print data and stores it into hard disk unit 35 , and creating the print data, which have been read out from hard disk unit 35 , into image data.
  • the printing process continues by switching the storage destination from hard disk unit 35 to receiving buffer memory 24 since it is not necessary to use hard disk unit 35 .
  • FIG. 5 shows the switching process of the operation explained above.
  • start image creation check whether the print data is read from hard disk unit 35 in the current image creation.
  • step S 301 ; N When reading from hard disk unit 35 (step S 301 ; N), and then stop the switching process by keeping the status as it has been.
  • step S 301 ; Y When reading print data from hard disk unit 35 (step S 301 ; Y), check whether the job, to which the print data relates, is in an input process. When the input process has been completed (step S 302 ; Y) then stop the switching process.
  • step S 302 When executing the input process of print data related to the same job (step S 302 ; Y), then check whether the creating process is surpassing the input process. If it is not surpassing the input process (step S 303 ; N) then go back to step S 302 . Namely, the input process is completed before the creating process surpasses the input process (step S 302 ; N), then stop the switching process since it is not necessary to switch the storage destination.
  • step S 303 If the creating process is surpassed the input process (step S 303 ; Y), then switches the storage destination from hard disk unit 35 to receiving buffer memory 24 and (step S 304 ) continues receiving the print data. Thereby, processing load of CPU 11 and number of access to hard disk unit 35 can be decreased and even though a receiving process of print data of other jobs is required, this job can be smoothly handled simultaneously since the input process can be processed without going through hard disk unit 35 .
  • FIG. 6 is table 70 , showing execution status of printing operations under a variety of conditions, which include operations shown in FIGS. 4 and 5 above.
  • “spooling mode” is “spooling” and single job operation, (operation pattern is in the spooling mode) all print data is spooled and created into image data and then printed.
  • the “spooling mode” is “automatic” and “next job status” is “receiving print data”
  • the image creation process is not surpassing input processing (in the case of concurrent receiving pattern 4 )
  • the second case is that an image creation surpasses input process (in the case of concurrent receiving pattern 5 ). If not surpassed input processing, the spooling destination has been hard disk unit 35 and the same situation is going on and if surpassed input processing, the spooling destination is switched to receiving buffer memory 24 .
  • control section 13 determines whether receiving print data is received in spooling mode (the first receiving mode) or non-spooling mode (the second receiving mode) based on a judgment result whether image creator 12 is in the process of image data creation.
  • the present invention is not limited to this embodiment. Namely, it is also possible to determine whether receiving print data is received in spooling mode (the first receiving mode) or non-spooling mode (the second receiving mode) based on a judgment result whether receiving buffer, which temporarily stores print data in the first half of image data creation, can store the print data.
  • printer 10 being a printer control device
  • printer control device being a printer control device

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Record Information Processing For Printing (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Storing Facsimile Image Data (AREA)
US10/925,584 2003-12-19 2004-08-25 Printer control device and printer apparatus with a printer control device Abandoned US20050134899A1 (en)

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US12/857,311 US8400662B2 (en) 2003-12-19 2010-08-16 Printer control device for controlling concurrently input print data, and printer apparatus with a printer control device

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JP2003421988 2003-12-19
JPJP2003-421988 2003-12-19

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US12/857,311 Active 2025-10-03 US8400662B2 (en) 2003-12-19 2010-08-16 Printer control device for controlling concurrently input print data, and printer apparatus with a printer control device

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EP3023914A1 (en) * 2014-11-20 2016-05-25 Seiko Epson Corporation Printing device and printing system

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JP5580584B2 (ja) * 2009-12-24 2014-08-27 キヤノン株式会社 印刷制御装置、印刷制御装置の制御方法、およびプログラム
JP5729156B2 (ja) * 2011-06-20 2015-06-03 カシオ電子工業株式会社 印刷装置および印刷方法
US10445042B1 (en) * 2018-03-26 2019-10-15 Toshiba Tec Kabushiki Kaisha Interface device and printer

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EP3023914A1 (en) * 2014-11-20 2016-05-25 Seiko Epson Corporation Printing device and printing system
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JP4631978B2 (ja) 2011-02-16
JP2010260361A (ja) 2010-11-18
US8400662B2 (en) 2013-03-19
JP4761087B2 (ja) 2011-08-31
JP2009149100A (ja) 2009-07-09
US20100309522A1 (en) 2010-12-09

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