An image-forming device has a plurality of cylindrical image-carrying members, and an optical scanning unit. The plurality of cylindrical image-carrying members is provided in a main casing for rotating about respective rotational axes. The rotational axes are parallel to one another and juxtaposed in a single direction. The optical scanning unit is provided in the main casing and has a plurality of laser generators, a single rotatable polygon mirror, a plurality of mirrors, and a plurality of lenses. The plurality of laser generators is provided one-to-one relationship to the plurality of image-carrying members to emit respective laser beams. The single rotatable polygon mirror deflects the respective laser beams to scan the respective image-carrying members therewith. The plurality of mirrors is provided one-to-one relationship to the plurality of image-carrying members to guide the respective laser beams along respective optical paths to the respective image-carrying members. The plurality of lenses is provided one-to-one relationship to the plurality of image-carrying members and provided in the respective optical paths and between the respective mirrors and the respective image-carrying members. Distances from the respective mirrors to the respective image-carrying members being equal to one another.

Image-forming device

Obtaining exclusive control of a printing device by deferring printing of print data in a print queue. To obtain control, the recipient performs a process which may include authentication of the recipient. Control may be obtained either before the recipient is authenticated or after a successful authentication process. After the recipient has obtained control, print data in the print queue is temporarily deferred from being printed. The recipient may then select a print job to print, including selecting a print job from among the print jobs deferred in the print queue, or selecting a file to print over a network, including the Internet or an intranet. Further, printing device resources utilized in printing data during the period of exclusive control may be tracked and correlated to the recipient who has control.

Obtaining temporary exclusive control of a printing device

A client apparatus checks overlap of graphic objects described in multimedia description data. For an image found to be not overlapped with another graphic object, the client apparatus transmits a whole image request for whole image data to a server apparatus. For an image found to be overlapped with another graphic object, the client apparatus determines one or more partial images, and transmits a partial image data request corresponding to each determined partial image. The client apparatus receives the whole image data or partial image data returned from the server apparatus in response to the request, and generates a layout image described by the multimedia description data by using the received whole image data or partial image data.

Image requesting apparatus

A data processing apparatus has an interpreter environment for dynamically implementing a program constructed based on a command set defined independently of a native command group, in a native environment constructed based on the native command group processed by a processor configuring hardware. The apparatus generates an intermediate data stream in each of a plurality of stages into which an input data stream is divided in interpretation in the native environment and filters the intermediate data stream to generate a filtered data stream in the interpreter environment.

Image processing apparatus and control method thereof

An information processing apparatus and a pull print printing system are provided, which, according to a print instruction (print request, from a user, hold print data to be an object of printing, generate reference information for performing pull print corresponding to the held print data and utilize the generated reference information as reference information for requesting printing in order to causing an IPP printing apparatus to perform printing.

Information processing apparatus and print control apparatus, data processing method, storage medium and program

PURPOSE:To process a complicated printing job by means of the small memory capacity of a printer by securing dynamically band memories of different sizes determined in the memories of the printer in compliance with the determined memory map. CONSTITUTION:A printing job such as a page data stored in RAM in a computer is analyzed by a CPU, and the data capacity transmitted to the printer is computed (1). Then the total capacity of memories of the printer is compared with the data capacity to be transmitted, an whether the development of one page bit map in the printer memories is possible or not is decided, and if it is YES, the band for securing the bit map memories of full page in RAM is designated to the CPU, and the process is moved to step (9) afterwards. In the case the decision of step (2) is NO, the band memory sizes secured in RAM are computed by the CPU, anal in the case the decision of the minimum band size is No, the process is moved to step (9) afterwards correspondingly to the band size computed by step (3).

Printer control method and control system thereof

PROBLEM TO BE SOLVED: To permit high speed outputting without the reduction of a throughput even at the time of printing information where a printing processing is delayed by converting page description language(PDL) data into an intermediate code depending on a device by means of conversion resources which is described through the use of a programming language being independent of the device or into bit map image data which is printed by means of a printing device. SOLUTION: Prescribed PDL data generated based on plotting information which is generated by a printing request is converted into the intermediate code depending on the device by the conversion resources which is described with the programming language being independent of the device or into bit map image data which is printed by the printing device. That is, a data analyzing part 113 transfers received data to a PDL analyzing part 114 when it is PDL data. Then, the PDL analyzing part 114 executes conversion into the intermediate code (display list) which is directly interpreted by a plotting processing execution part 118 by a processing program which is described with the programming language being independent of the device. COPYRIGHT: (C)1999,JPO

Printing system, data processing method of the same and storage medium for storing computer readable program

PROBLEM TO BE SOLVED: To provide a printer and an interrupt control method in a printer that controls the abuse of interrupt printing by providing limitations on users who execute interrupt printing and the number of pages, judges whether interrupt printing is executed instantly or interrupt printing is delayed until the end of a job in accordance with the then status of printing in response to an instruction for interrupt printing, and enables efficient interrupt printing as the whole of a system to be realized. SOLUTION: An LBP has a CPU 20 that limits interruptible jobs in correspondence with passwords input and the number of pages for interrupt printing, prohibits interrupt printing for jobs where printing has not advanced to a predetermined page and jobs having fallen short of predetermined pages, and prohibits interrupt printing until pages to be stapled ends, for jobs for which stapling is specified.

Printer and interrupt-control method in printer

PROBLEM TO BE SOLVED: To easily print or distribute a document. SOLUTION: The address of a distributing destination is described in a distributing destination list 20223. When the document is distributed, a core driver 2022 refers to the list, generates an electronic document or printing data by an electronic document generating driver 20225 in the case of the electronic mail and by a printer driver 20224 in the case of a printer. The data is printed via a system spooler 203 or distributed by a distributor 204 in accordance with the destination.

Device and method for outputting document

PURPOSE:To improve the recognition rate of a command system and make the printing efficient by forming a table discriminating the relation between a common command and an index to a descrimination table in addition to a command table proper in respective emulations as the discrimination table and starting retrieval from the above table discriminating the relation. CONSTITUTION:A printing control command system automatic discrimination processing section 112 (discrimination processing section) includes a common command reference table 1121. The common command reference table (reference table) 1121 is formed as a table, on which common commands are disposed for respective print control command main bodies. Index pointers to the command discrimination table provided with command discrimination sections 113 in compliance with respective registered common commands are registered. What is the command system of printed data received by a host computer and whether it is confirmed or not are discriminated by the discrimination processing section 112. If it is confirmed, the section is changed over to a confirmed command analysis section and used as a control program for the command system.

Printer and its control method

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