Dell 5110cn Color Laser Printer Service Manual - Page 224

Chapter 2 Operation of Diag. Motor, Clutch and Solenoid name (Diag. Code) Confirmation procedures NOTE: The following procedures are for the technical staff. The customer check is procedures 2, 3 and 4. 1) Remove the Cover Right on One Tray Option Feeder or 2 Tray Feeder Right Cover on Two Tray Option Feeder. (Refer to RRP.) 2) Turn on the power and enter the Diagnostic Mode. 3) For DO-24/-25/-26/-27 diagnosis Execute the DO-24, DO-25, DO-26 or DO-27. Confirm the gear attached to the Drive Motor rotates in counterclockwise direction viewing from the right side of the feeder. (The customer can confirm the motor noise only.) The rotational speed of the motor is as follows. DO-27 (slow speed) < DO-26 < DO-25 < DO-24 (high speed) Option Feed Motor 1 (Full 1 Forward) (DO-24) Option Feed Motor 1 (Full 2 Forward) (DO-25) Option Feed Motor 1 (Half Forward) (DO-26) Option Feed Motor 1 (Slow Forward) (DO-27) For DO-28/-29/-2a/-2b diagnosis Execute the DO-28, DO-29, DO-2a or DO-2b. Confirm the gear attached to the Drive Motor rotates in counterclockwise direction viewing from the right side of the feeder. (The customer can confirm the motor noise only.) The rotational speed of the motor is as follows. DO-2b (slow speed) < DO-2a < DO-29 < DO-28 (high speed) Option Feed Motor 1 (Full 1 Forward-Double) (DO-28) Option Feed Motor 1 (Full 2 Forward-Double) (DO-29) Option Feed Motor 1 (Half Forward-Double) (DO-2a) Option Feed Motor 1 (Slow Forward-Double) (DO-2b) Option Feed Motor 1 Ida_Sec02_036FA Option Feed Motor 1 Ida_Sec02_037FA 4) Press the "CANCEL" key to stop the test. 5) Turn off the power. 6) Reinstall the Cover Right or 2 Tray Feeder Right Cover. (Refer to RRP.) 2 - 46