133 Error Code - Lexmark C752 Service Manual

133 error code

Cold backup roll
Step Action and questions
1 Measure the voltage on connector J33-12 on the
system board. The voltage should measure
approximately +0.13 V dc to +0.64 V dc as the backup
roll lamp turns off and on.
Is the voltage correct?
2 Remove the fuser from the printer Check continuity of
the backup roll by measuring between pins 1 and 5 on
the AC fuser connector on the fuser assembly.
Is there continuity?
3 Check to make sure that the backup roll lamp is
installed correctly.
Is the backup roll lamp installed correctly?
4 Reinstall the fuser assembly. Watch to see if the lamps
turn on and off as the lamp heats up.
Do the lamps turn on?
5 Turn the printer on and allow it to reach a Ready
prompt.
Note: The printer may not complete POR and
continues to display the error code.
Remove the fuser assembly from the printer. Measure
the voltage on connector J33-7 on the system board.
The voltage should measure approximately +3.3 V dc.
Is the voltage correct?
6 Measure the voltage on the fuser DC control connector
on the LVPS. Measure the voltage on pin 7 of the
connector.
Does the voltage measure approximately +3.3 V dc.
Yes No
Go to step 2 Replace the
"System board"
on page
Go to step 4 Go to step 3
Go to step 4 Install the lamp
correctly. If this
does not fix the
problem, replace
the "Fuser
assembly" on
page
Go to step 5 Replace the
"LVPS
assembly" on
page
Go to step 6 Replace the
"System board"
on page
Replace the Replace the
"Fuser "LVPS
assembly" on assembly" on
page 4-32. page
Diagnostic information
5060-2XX
4-67.
4-32.
4-42.
4-67.
4-42.
2-53