Registration Roller Does Not Rotate; High-Voltage Power Supply Output - Lexmark Optra C Service Manual

Registration Roller Does Not Rotate

FRU
1 Gear train
2 Pickup PCB
Registration
roller clutch

High-Voltage Power Supply Output

FRU
1 High voltage
contacts
2 High-voltage
power supply
PCB
Mechanical
controller PCB
DC controller
PCB
Action
Is the pickup motor drive properly transmitted by the
gears? Check the gears, and replace any damaged
ones.
Turn the power switch OFF, remove the pickup unit,
and disconnect the connector J34. Measure the
resistance between cable connectors J34-1 and
J34-2. Is it about 145 Ohms?
If yes, replace the pickup PCB.
If no, replace the registration roller clutch.
Action
Are the high-voltage contact terminals soiled or
burnt? Clean the high-voltage contacts.
Does the trouble disappear when you replace the
high-voltage power supply PCB? Replace the high-
voltage power supply PCB. If not, replace and check
as follows:
1. Mechanical controller PCB.
2. DC controller PCB, see "DC Controller Board
Information" on page 2-2.
Diagnostic Information 2-33