Lexmark Optra Color 45, Service Manual

Page: 33 / 122

Diagnostic Information
2-11
4080-001
Noisy Paper Feed Motor Service Check
Operator Panel (Buttons) Service Check
Note: Perform the “Button Test” on page 3-4 , before continuing
this service check.
FRU Action
1 Paper Feed Motor Check the following motor pins for approximately
12.5 ohms:
(CN6-1) and (CN6-2)
(CN6-3) and (CN6-4)
If incorrect, replace the paper feed motor, refer to
the
“Paper Feed Motor Removal” on page 4-16 .
2 Gears Check the gears for proper alignment, chipped
teeth, loose motor, missing gear clip or worn
gears.
FRU Action
1 Operator Panel
Assembly If any button fails the button test, replace the
operator panel assembly.
2 Controller Board
Operator Panel
Assembly
Be sure the voltage at (JT6-2) me5 V dc.
If the voltage is incorrect, replace the controller
board. If the voltage is correct, check the
continuity of the operator panel cable. Replace the
operator panel cable if continuity is incorrect. If
correct, replace the operator panel assembly.