Imaging forming apparatus and image forming method with synchronous and asynchronous control for continuous operation
a technology of image forming apparatus and continuous operation, applied in the direction of electrographic process apparatus, electrographic process, instruments, etc., can solve the problems of productivity drop and inefficient operation, and achieve the effect of improving image forming efficiency
Inactive Publication Date: 2009-12-03
KK TOSHIBA +1
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- Description
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Benefits of technology
The present invention provides an image forming apparatus and method that improves image forming efficiency even if a trouble occurs on either the scanner or printer. The apparatus includes an error detector to detect operating errors of the scanner and printer, and a controller to stop the operation of the device causing the error and operate the device only that did not cause the error. The method also includes detecting operating errors and suspending the operation of the device generating an error while operating the device not generating an error.
Problems solved by technology
Thus, for a trouble taken on either one of the scanner and the printer, the operation of the other was suspended and the operation was inefficient and productivity was dropped.
Method used
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[0016]A preferred embodiment of the present invention will be described below in detail referring to the drawings.
[0017]FIG. 1 is a sectional view showing the internal structure of a digital copier 10 as an embodiment of the present invention. In the digital copier 10, a scanner unit 4 that functions as a reading means which will be described later and a printer unit 6 that functions as an image forming means are provided.
[0018]On the top of the digital copier 10, there is a document table 12 comprising a transparent glass on which a reading object, that is, an original document D is placed. In addition, on the top of the digital copier 10, an automatic document feeder 7 (hereinafter, referred to ADF) is provided for automatically feeding an original document D. The ADF 7 can be opened / closed from / to the document table 12 and also functions as a document presser to press documents D placed on the document table 12 closely to the document table 12.
[0019]The ADF 7 comprises a document...
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An image forming method reads a document by a scanner that is a device, provides image data corresponding to a document image, forms an image corresponding to the image data provided from the scanner by a printer that is a device, and detects operating errors of the scanner and the printer. Further, when any operating error is detected, the image forming method stops the operation of the device generating the error and operates the device not generating the error.
Description
CROSS-REFERENCE TO RELATED APPLICATION[0001]This application is a continuation of U.S. application Ser. No. 10 / 003,257, filed Dec. 6, 2001, which claims benefit of priority from the prior Japanese Application No. 2000-371896, filed on Dec. 6, 2000; the entire contents of all of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention relates to an image forming apparatus such as a digital copier, etc. and an image forming method.[0004]2. Description of the Related Art[0005]When a scanner and a printer are operated in parallel with each other in an image forming apparatus comprising a scanner and a printer, if an error relative to the printer was taken place the operation of the scanner was so far stopped until the error is solved. For example, if “No Paper” error was taken place on a printer while copying plural number of documents, not only the printer but also the scanner was stopped to operate.[0006]Thus, for...
Claims
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IPC IPC(8): G06F15/00B41J29/46G03G15/00G03G21/00H04N1/00H04N1/32
CPCG03G15/55H04N1/00912H04N1/32358H04N1/32443H04N1/32609H04N2201/3287H04N1/32635H04N1/32673H04N2201/0081H04N2201/0082H04N2201/0086H04N1/3263
Inventor OHTSU, AKIRA
Owner KK TOSHIBA