Toshiba e-STUDIO281c Service Manual page 110

5) Printing operation
1) Color printing operation
→ Black developer lifting clutch (CLT11), black developer bias (+150), transfer belt cleaner clutch
(CLT1), toner recovery auger, drum cleaner brush, discharge LED (ERS) and cleaning blade bias
turned ON
→ Transfer belt cleaner auger motor (M2) turned ON
- Transfer belt used toner auger is driven
→ Main charger and 1st transfer bias turned ON
→ Transfer belt marker detection
→ Black developer lifting clutch (CLT11), black developer bias (-) turned ON
- Contact the black developer roller to the drum surface
→ Laser emission (black image)
→ Black developer drive clutch (CLT10) and black developer bias (AC) turned ON
→ 1st transfer (black image)
- Black image is transferred to the transfer belt
→ Black developer bias (AC) turned OFF
→ Black developer lifting clutch (CLT11) turned ON and black developer drive clutch (CLT10) turned
OFF
- Release the black developer roller from the drum surface
→ Black developer bias (-) turned OFF
→ Revolver motor (M12) turned ON
- Revolver rotates 65 degrees to move to cyan developing position
→ Transfer belt marker detection
→ Laser emission (cyan image)
→ Color developer bias (AC) and color developer bias (-) turned ON
→ Color developer drive clutch (CLT9) turned ON
→ Transfer belt cleaner clutch (CLT1) and transfer belt cleaner auger motor (M2) turned OFF
→ 1st transfer (cyan image)
- Cyan image is transferred to the transfer belt
→ Color developer bias (AC), color developer drive clutch (CLT9) and color developer bias (-)
turned OFF
→ Revolver motor (M12) turned ON
- Revolver rotates 120 degrees to move to magenta developing position
→ Transfer belt marker detection
→ Laser emission (magenta image)
→ Color developer bias (AC), color developer drive clutch (CLT9) and color developer bias (-)
turned ON
→ 1st transfer (magenta image)
- Magenta image is transferred to the transfer belt
→ Color developer bias (AC), color developer drive clutch (CLT9) and color developer bias (-)
turned OFF
→ Revolver motor (M12) turned ON
- Revolver rotates 120 degrees to move to yellow developing position
→ Transfer belt marker detection
→ Laser emission (yellow image)
→ Color developer bias (AC), color developer drive clutch (CLT9) and color developer bias (-)
turned ON
→ 1st transfer (yellow image)
- Yellow image is transferred to the transfer belt
→ Color developer drive clutch (CLT9), color developer bias (AC) and color developer bias (-)
turned OFF
→ Revolver motor (M12) turned ON
- Revolver rotates 55 degrees to move to escape position
→ Transfer belt marker detection
→ 2nd transfer roller contact clutch (CLT5) and 2nd transfer bias turned ON
e-STUDIO281c/351c/451c
GENERAL OPERATION
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