Pressure/Retraction Control By Print Mode - Konica Minolta BizHub C360 Service Manual

Theory of Operation Ver. 1.0 Jul. 2009
13.3.3

Pressure/retraction control by print mode

• To extend the service life of the PC drum/Y, M, C, the transfer belt is retracted from the
color PC drum in the black mode.
• In the black mode, the 1st image transfer roller/Y, M, C is retracted and the color drum
unit and color developing unit are stopped.
• The 1st image transfer roller/K is pressed against the PC drum/K at all times in both
black and color modes.
A. Color mode
• In the color mode, the image transfer roller is where the PC drum is pressed against the
transfer belt for all four colors of toner
B. Black mode
• In the black mode, the image transfer roller /Y, M, C is where the PC drum/Y, M, C leaves
the transfer belt, while the image transfer roller /K is where the PC drum/K is pressed
against the transfer belt. This allows the PC drum/Y, M, C to stop rotating in this mode.
Color mode
Transfer belt
1st image transfer
roller/Y
Black mode
1st image
transfer roller/M
PC drum/Y PC drum/M
Transfer belt (retraction position)
13. 1ST IMAGE TRANSFER SECTION
1st image 1st image
transfer roller/C transfer roller/K
PC drum/C
PC drum/K
A0EDT2C063DA
A0EDT2C064DA
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