Dell 3110cn Service Manual page 249

Clutch and Solenoid name
(Diag. Code)
Black Toner Motor (DO-27)
Version 1 2006.02.03
NOTE: This procedure is for the technical staff. The customer check
are the procedure 1, 5 and 6.
When performing operation for five minutes or longer with the front
cover open, remove all toner cartridges, and cover the drum to avoid
exposure to light.
1) Turn on the power and enter the Diagnostic Mode.
2) Open the Front Cover.
3) Remove the black toner cartridge.
4) Cheat the safety Interlock System.
5) Execute the DO-27. (The customer can confirm the motor
noise only.)
6) Press the "Cancel" key to stop test.
7) Remove the cheater.
8) Replace the black toner cartridge.
9) Close the Front Cover.
2 - 35
Chapter 2 Operation of Diag.
Confirmation procedure
Kmy02027KA