Lexmark Optra Color 45 Service Manual page 42

4080-001
POST incomplete, printer indicator light on, Performing Self Test is
displayed and no motors turn.
Note: Excessive ink may be present in the maintenance station
caps.
FRU
1 Power Supply
2 Transport Motor
Engine Board
3 Controller Board
Cable
2-20
Service Manual
Action
Check for approximately +30 V dc at (J2-6) on the
controller board.
Check for approximately +30 V dc at (CN5-1) on
the engine board. If correct, disconnect the motor
and check the resistance between (CN5-1) and
(CN5-2), which should measure between 10.5 -
12.5 ohms. If the resistance is incorrect, replace
the motor. If the resistance is correct, check for
approximately +30 V dc on the transistor tab Q17
on the engine board. If the voltage is incorrect,
replace the engine board. If the voltage is correct,
go to step 3.
Check the continuity of the controller board cable.
If incorrect, replace the cable. If correct, replace
the engine board. if the problem remains, replace
the controller board.