Electrophotography – Control of electrophotography process – Control of cleaning
Reexamination Certificate
2009-07-01
2011-12-13
Chen, Sophia S (Department: 2852)
Electrophotography
Control of electrophotography process
Control of cleaning
C399S043000, C399S099000, C399S101000, C399S343000, C430S126200
Reexamination Certificate
active
08078075
ABSTRACT:
An image forming apparatus including a case, a printing medium feeding unit disposed in the case to feed printing media, an image forming unit disposed in the case to form images on a printing medium fed from the printing medium feeding unit using developer and to include at least one portion being stained when the images are formed, and a control portion to control the image forming unit to form the images in a plurality of print modes. The control portion sends a cleaning command to clean the at least one stained portion when the amount of the developer used by the image forming unit reaches a reference amount of the developer or when the number of the printing media supplied by the printing medium feeding unit reaches a reference value of the number of the printing media.
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Chen Sophia S
Samsung Electronics Co,. Ltd.
Stanzione & Kim LLP
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