Lexmark C78x User Manual

Diagnostic information 2-33
5061
200.93 paper jam service check
The laser was made unexpectedly.
6
Are connectors at J21 fully seated on the system
board?
Go to step 7 Reseat the
connector on the
system board.
7
Check sensor cables.
Are the cables cut or broken?
Replace the
cables.
Go to step 8
8
Replace the sensor that did not pass the test.
Is the problem resolved?
Replace the
system board.
See “System
board removal”
on page 4-90.
Step Actions and questions Yes No
1 Remove fuser from printer, remove oiler housing from
fuser, and pivot the paper guide up.
Is paper jammed inside the fuser?
Clear the jam. Go to step 2
2
Check fuser entry guide for toner buildup.
Is toner built up on the fuser entry guide?
Replace the fuser
assembly. See
“Fuser
assembly
removal” on
page A-44.
Go to step 3
3
Check fuser exit sensor flag.
Does the flag rotate freely and return to normal position
when released?
Go to step 4 Replace the fuser
assembly. See
“Fuser
assembly
removal” on
page A-44.
Step Actions and questions Yes No

Lexmark C78x Specifications

General

Brand	Lexmark
Model	C78x
Category	Printer
Language	English