Epson AcuLaser C2900N Service Manual page 232

Chapter 2 Operation of Diagnostic
Motor/Clutch/Solenoid Name
(Diag. Code)
Yellow Toner Motor / Magenta
Toner Motor / Cyan Toner Motor
/ Black Toner Motor
(DO-21/23/25/27)
Regi Clutch
(DO-29)
Epson AcuLaser C2900N
NOTE: These procedures are for the technical staff.
Described below is the check procedure common among the four
toner motor.
Note the operation for the toner in the drum cartridge spills if the
motor is rotated for a long time.
1) Power on the printer, and enter the Diag Mode.
2) Open the Toner Access Cover and remove the toner cartridge.
3) Execute DO-21, 23, 25 or 27.
4) Check that the Gear rotates.
5) Press the "STOP" key to stop the clutch.
6) Replace the toner cartridge and close the Toner Access Cover.
NOTE: This procedure is for the technical staff.
When performing operation for five minutes or longer with the front
cover open, remove the drum cartridge, and cover the drum to avoid
exposure to light.
Combination test is as follows:
The Regi Roll rotates when DO-0 and DO-29 are executed.
1) Power on the printer, and enter the Diag Mode.
2) Open the Front Cover.
3) Cheat the Safety Interlock System.
4) Execute DO-0 and DO-29.
5) Check that the Regi Roll rotates.
6) Press the "STOP" key to stop the clutch.
7) Press the " " key to display DO-0.
8) Press the "STOP" key to stop the motor.
9) Remove the cheater.
10) Close the Front Cover.
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Check procedure
Gear
Regi Roll
Revision B
MiS02017SA
MiS02018SA
Confidential