EPSON AcuLaser C9200N Revision D
OPERATING PRINCIPLES Operating Principle of Main Unit Mechanism 58
Confidential
Operation timing Pressure position changing mechanism
To extend the service life of the PC Drum/Y, M, C, the pressure
position of the 1st Image Transfer Roller is changed between the
monochrome mode and the color mode. In the monochrome mode, the
1st Image Transfer Roller/Y, M, C is left in the retracted position and
the PC Drum/Y, M, C is stopped.
Color mode:
• The pressure position of the Image Transfer Roller is where the PC Drum is in
contact with the Transfer Belt for all four colors of toner.
• In order to transfer the original without missing any part, a Retraction Roller
is mounted at the 1st Image Transfer Roller/Y so the 1st Image Transfer
Roller/Y will properly contact to the PC Drum/Y.
Monochrome mode:
The pressure position of the Image Transfer Roller/Y, M, C is where
the PC Drum/Y, M, C leaves the Transfer Belt. While that of the Image
Transfer Roller/K is where the PC Drum/K is in contact with the
Transfer Belt. This allows the PC Drum/Y, M, C to remain stationary
in this mode.
Figure 2-36. Monochrome Mode
Figure 2-37. Color Mode
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