200.93 Paper Jam Service Check - Lexmark C78x Service Manual

Step Actions and questions
6 Are connectors at J21 fully seated on the system
board?
7 Check sensor cables.
Are the cables cut or broken?
8 Replace the sensor that did not pass the test.
Is the problem resolved?

200.93 paper jam service check

The laser was made unexpectedly.
Step Actions and questions
1 Remove fuser from printer, remove oiler housing from
fuser, and pivot the paper guide up.
Is paper jammed inside the fuser?
2 Check fuser entry guide for toner buildup.
Is toner built up on the fuser entry guide?
3 Check fuser exit sensor flag.
Does the flag rotate freely and return to normal position
when released?
Yes No
Go to step 7 Reseat the
connector on the
system board.
Replace the Go to step 8
cables.
Replace the
system board.
See
board removal"
on page
Yes No
Clear the jam. Go to step 2
Replace the fuser Go to step 3
assembly. See
"Fuser
assembly
removal" on
page A-44.
Go to step 4 Replace the fuser
assembly. See
"Fuser
assembly
removal" on
page
Diagnostic information
5061
"System
4-90.
A-44.
2-33