Toshiba e-STUDIO2500c Service Manual page 98

→ Laser emission (cyan image)
→ 1st transfer bias (C) turned ON
- 1st transfer of cyan image (Cyan image is transferred to the transfer belt)
→ 1st transfer bias (C) turned OFF
→ Laser emission (black image)
→ 1st transfer bias (K) turned ON
- 1st transfer of black image (Black image is transferred to the transfer belt)
→ 1st transfer bias (K) turned OFF
→ 1st transfer roller cam motor (M8) turned OFF
- Release the 1st transfer rollers (Y, M and C) from the transfer belt
→ 2nd transfer of YMCK image (YMCK image on the transfer belt is transferred to the paper)
→ Main charger turned OFF
→ Developer unit motor (M9) and developer bias (YMC and K) turned OFF
→ Registration motor (M19) turned ON
- Release the 2nd transfer roller from the transfer belt
→ 2nd transfer bias turned OFF
→ Drum motor (M10), transfer belt motor (M7), discharge LED-Y, -M, -C, -K (ERS) and cleaning
blade bias turned OFF
2) Black printing operation
→ Drum switching motor (M11) turned ON
- The drum switching detection sensor (S19) checks whether the equipment is in the color or black
printing status, and if it is in the color printing status, the motor (M11) is turned ON to switch the
status to black printing.
→ Drum motor (M10), transfer belt motor (M7), discharge LED-K (ERS) and cleaning blade bias
turned ON
→ Main charger bias turned ON
→ K developer bias (DC) and developer unit motor (M9) turned ON
→ Registration motor (M19) turned ON
- Contact the 2nd transfer roller to the transfer belt
→ 2nd transfer bias turned ON
→ K developer bias (AC) turned ON
→ Laser emission (black image)
→ 1st transfer bias (K) turned ON
- 1st transfer of black image (Black image is transferred to the transfer belt)
→ 1st transfer bias (K) turned OFF
→ 2nd transfer of K image (K image on the transfer belt is transferred to the paper)
→ Main charger turned OFF
→ Developer unit motor (M9) and developer bias (K) turned OFF
→ Registration motor (M19) turned ON
- Release the 2nd transfer roller from the transfer belt
→ 2nd transfer bias turned OFF
→ Drum motor (M10), transfer belt motor (M7), discharge LED-K (ERS) and cleaning blade bias
turned OFF
6) Paper exiting
→ The exit sensor (S26) detects the trailing edge of the paper
→ Toner recovery auger, discharge LED (ERS) and cleaning blade bias turned OFF
→ Drum motor (M10), transfer belt motor (M7), transport motor (M20), developer unit motor (M9),
fuser motor (M17) and exit motor (M18) turned OFF
→ The polygonal motor (M4) rotates in low speed.
→ Drum, fuser unit and developer unit are stopped
- Fans return to rotate at the normal rotation speed
→ "READY" is displayed and the equipment enters into ready mode
e-STUDIO2500c/3500c/3510c GENERAL OPERATION
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May 2006 © TOSHIBA TEC