Image forming apparatus
First Claim
Patent Images
1. An image forming apparatus comprising:
- a receiving portion configured to receive, from an external apparatus, print data wherein page quantity information indicating a total page quantity of the print data has been added at the end of the print data;
a deciding portion configured to decide by which emulation among a plurality of types of emulations interprets the received print data;
an engine which forms an image of print data for each page;
an output portion configured to output the print data emulation-processed depending on the decision of the deciding portion to the engine for each page;
a counter configured to count the page quantity of the outputted print data, wherein the counter counts when the emulation interprets each page of data;
a determining portion configured to determine whether or not the page quantity of the print data outputted by the output portion is larger than the total page quantity indicated by the page quantity information; and
a suspension instructing portion configured to instruct the engine to suspend image formation when the determining portion determines that the page quantity of the outputted print data is larger than the total page quantity indicated by the page quantity information and the receiving portion has received an instruction for suspending the printing from a control panel.
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Abstract
When an image forming apparatus receives print data to which page quantity information has been added from an external apparatus, it decides by which emulation among a plurality of types of emulations to interpret the print data, and outputs the print data emulation-processed depending on the decision to an engine which forms an image for each page. Further, when it is determined that the page quantity of the print data outputted to the engine is larger than the page quantity indicated by the page quantity information, the apparatus instructs the engine to suspend image formation.
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Citations
3 Claims
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1. An image forming apparatus comprising:
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a receiving portion configured to receive, from an external apparatus, print data wherein page quantity information indicating a total page quantity of the print data has been added at the end of the print data; a deciding portion configured to decide by which emulation among a plurality of types of emulations interprets the received print data; an engine which forms an image of print data for each page; an output portion configured to output the print data emulation-processed depending on the decision of the deciding portion to the engine for each page; a counter configured to count the page quantity of the outputted print data, wherein the counter counts when the emulation interprets each page of data; a determining portion configured to determine whether or not the page quantity of the print data outputted by the output portion is larger than the total page quantity indicated by the page quantity information; and a suspension instructing portion configured to instruct the engine to suspend image formation when the determining portion determines that the page quantity of the outputted print data is larger than the total page quantity indicated by the page quantity information and the receiving portion has received an instruction for suspending the printing from a control panel.
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2. An image forming apparatus comprising:
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means for receiving, from an external apparatus, print data, wherein page quantity information indicating a total page quantity of the print data has been added at the end of the print data; means for deciding which emulation among a plurality of types of emulations to interprets the received print data; an engine which forms an image of print data for each page; means for outputting the print data emulation-processed depending on the decision of the deciding means to the engine for each page; means for counting the page quantity of the outputted print data, wherein the means for counting counts when the emulation interprets each page of data; means for determining whether or not the page quantity of the outputted print data is larger than the total page quantity indicated by the page quantity information; and means for instructing the engine to suspend image formation when the determining means determines that the page quantity of the outputted print data is larger than the page quantity indicated by the page quantity information and the receiving portion has received an instruction for suspending the printing from a control panel.
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3. A method for controlling image formation by an image forming apparatus, the method comprising:
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receiving, from an external apparatus, print data, wherein page quantity information indicating a total page quantity of the print data has been added at the end of the print data; deciding which emulation among a plurality of types of emulations interprets the print data; emulation-processing the print data depending on the decision for each page; outputting the processed print data to an engine which forms an image of print data for each page; counting the page quantity of the outputted print data, wherein the means for counting counts when the emulation interprets each page of data; determining whether or not the page quantity of the print data outputted to the engine is larger than the total page quantity indicated by the page quantity information; and instructing the engine to suspend image formation when the page quantity of the outputted print data is determined to be larger than the total page quantity indicated by the page quantity information and an instruction for suspending the printing has been received from a control panel.
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Specification