Toshiba e-STUDIO 2555C Service Manual page 68

→ 1st transfer contact/release clutch (CLT2) turned ON
- 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
→ Paper feeding/developer unit drive motor (M2) and developer bias (YMC and K) turned OFF
→ 2nd transfer bias turned OFF
→ Drum/TBU motor (M6), discharge LED-Y, -M, -C, -K (ERS) turned OFF
2) Black printing operation
→ Mono/color switching motor (M3) turned ON
- The drum switching detection sensor (S11) checks whether the equipment is in the color or black
printing status, and if it is in the color printing status, the motor (M3) is turned ON to switch the status
to black printing.
→ Drum/TBU motor (M6), discharge LED-K (ERS) turned ON
→ Main charger bias turned ON
→ K developer bias (DC) and Paper feeding/developer unit drive motor (M2) turned ON
→ 2nd transfer bias turned ON
→ LED 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
→ Paper feeding/developer unit drive motor (M2) turned OFF
→ 2nd transfer bias turned OFF
→ Drum/TBU motor (M6), discharge LED-K (ERS) turned OFF
6. Paper exiting
→ The exit sensor (S13) detects the leading edge of the paper
→ Exit motor (M5) turned ON
→ The exit sensor (S13) detects the trailing edge of the paper
→ Discharge LED (ERS) turned OFF
→ Drum/TBU motor (M6), Paper feeding/developer unit drive motor (M2),
fuser motor (M4) and exit motor (M5) turned OFF
→ The polygonal motor (M4) rotates at 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-STUDIO2555C/3055C/3555C/4555C/5055C
OUTLINE OF THE MACHINE
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