Toshiba e-STUDIO 5540C Service Manual page 98

2) Black printing operation
The drum motor (M27), transfer belt motor (M13), 2nd transfer motor (M9) and discharge LED-K
(ERS) ON.
The 2nd transfer cam motor (M48) is turned ON.
- The 2nd transfer roller contacts with the transfer belt. The motor is turned OFF after this.
The 2nd transfer bias is turned ON.
The main charger bias is turned ON.
The K developer bias (DC), developer unit motor (M29) and developer unit mixer motor (M30)
are turned ON.
The K developer bias (AC) is turned ON.
Laser emission (black image)
The 1st transfer bias (K) is turned ON.
- 1st transfer of black image (The black image is transferred to the transfer belt.)
The 1st transfer bias (K) is turned OFF.
2nd transfer of K image (The K image on the transfer belt is transferred to the paper.)
The main charger is turned OFF.
The developer unit motor (M29), developer unit mixer motor (M30) and developer bias (K) are
turned OFF.
 Drum phasing
The Drum motor (M27), transfer belt motor (M13) and discharge LED-K
(ERS) OFF.
The 2nd transfer cam motor (M48) is turned ON.
- The 2nd transfer roller is released from the transfer belt. The motor is turned OFF after this.
The 2nd transfer bias is turned OFF.
6. Paper exiting
The exit sensor (S61, S63) detects the trailing edge of the paper.
The toner recovery auger and discharge LED (ERS) OFF.
The drum motor (M27, M28), developer unit mixer motor (M30, M32), transfer belt motor (M13),
2nd transfer motor (M9), transport motor (M40, 41), developer unit motor (M29, M31), fuser
motor (M6) and exit motor (M2) are turned OFF.
The polygonal motor (M4) rotates at low speed.
The drum, fuser unit and developer unit are stopped.
- The fans return to rotate at the normal rotation speed.
"READY" is displayed and the equipment enters into the ready mode.
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
OUTLINE OF THE MACHINE
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