Main Motor Service Check - Lexmark 4500-00 Series Service Manual

Main motor service check

FRU
Engine board (E320/E322)
Main motor
Main motor cable
LVPS
Controller card (E220/E321/E323)
Action
Verify +24 V dc at J5, pin 1 (engine
board on E320/E322) or J8, pin 7
(controller card in E220/E321/E323).
See "Engine board (E320/E322
only) " on page 5-2
for more information.
• If these voltages are correct,
check the main motor cable for
continuity.
• If continuity exists on each wire,
replace the main motor.
• If continuity does not exist on one
or more of the wires, replace the
motor cable.
• If these voltages are not correct,
see the "Low voltage power
supply (LVPS) service check "
on page 2-76 or replace the
engine board (E320/E322) or
controller card (E220/E321/E323).
Diagnostic information
4500
and page 5-7
2-77