Transfer Roll Service Check - Lexmark E320 - Printer - B/W Service Manual

Transfer roll service check

FRU
Transfer bearing
Transfer roll
Action
Check transfer roll area for debris
and clean as necessary.
Unplug the printer and check for
continuity between the T solder
joints (lower right side of the HVPS)
and the right side of the transfer roll
shaft.
• If continuity is not indicated,
remove the left bearing and check
continuity between the solder joint
and spring loaded pin.
– If continuity fails, replace the
HVPS contacts.
– Clean bearing or replace if
necessary.
• If continuity is confirmed, check
the bearing springs at each end of
the transfer roll. They should
provide even forces.
– Replace bearings if necessary.
– Inspect the roll for signs of wear
or damage and replace if
necessary.
Diagnostic information
4500
2-99