Lexmark C752 Service Manual page 173

Step Actions and questions
4 Check the continuity of the second transfer cable.
Is there continuity?
5 Make sure the ITU bias spring is not broken or missing
for the color(s) that is having transfer problems.
Is the ITU bias spring broken, off, or missing?
6 Check the transfer HVPS to ITU HV transfer terminal
for the color(s) that is having transfer problems.
Is the cable disconnected or broken?
7 Transfer terminal contact assembly and ITU transfer
bellcrank - Check the transfer terminal contact, transfer
cable, and ITU transfer bellcrank assemblies to make
sure they are installed correctly, not loose, or broken.
Are there any problems with the transfer terminal
contact, transfer cable connection, or ITU transfer
bellcrank assemblies?
Yes No
Replace the Replace the
FRUs in order: 1) second transfer
"Second cable
transfer roll" on
page 4-66
2)"Transfer
HVPS board" on
page 4-68. If this
does not correct
the problem, go
to step 5.
Repair as Go to step 7
necessary
Reinstall or Go to step 7
replace the cable
Repair or replace Replace the
as necessary. If FRUs in order:
this does not
1)"Transfer
correct the
HVPS board" on
problem, contact
page 4-68
your next level
support.
2) "Second
transfer roll" on
page 4-66
3)"ITU
assembly" on
page 4-40
Diagnostic information
5060-2XX
2-139