Lexmark Optra T, Service Manual

Page: 138 / 188

Diagnostic Information
2-109
4069-XXX
is installed in a printer that has the erase lamp assembly installed.
Check to make sure the correct level HVPS is installed. Go to
“Printer
Serial Label” on page 7-2
to identify the printer service level.
FRU Action
1 Transfer Roll Assembly Check the transfer roll for any signs
of toner buildup, surface damage to
the roll, oil or other contaminants on
the surface of the roll. Replace the
transfer roll as necessary.
2 Left Transfer Arm Assembly Check the left transfer roll arm
assembly to make sure it is fastened
and locked in the down position. If
the arm is not locked down, check to
ensure the arm is not broken and will
lock into the EP frame correctly.
Check the left transfer arm assembly
spring for proper operation.
3 Right Transfer Arm
Assembly Check the right transfer arm
assembly to make sure it is fastened
and locked in the down position. If
the arm is not locked down, check to
make sure the arm is not broken and
will lock into the EP frame correctly.
Check the right transfer arm
assembly spring for proper
operation. For any background
problems, check to ensure the
contact to the HVPS board is correct
and that there is approximately 0
ohms resistance between the
transfer roll shaft and the HVPS
contact. If correct, go to
“Print
Quality - Background” on page 2-98.