Diagnostic information 2-53
5060-4xx
133 error code
Cold backup roll
Step Action and questions Yes No
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?
Go to step 2 Replace the
“System board”
on page 4-72.
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?
Go to step 4 Go to step 3
3
Check to make sure that the backup roll lamp is
installed correctly.
Is the backup roll lamp installed correctly?
Go to step 4 Install the lamp
correctly. If this
does not fix the
problem, replace
the “Fuser
assembly” on
page 4-35.
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?
Go to step 5 Replace the
“LVPS
assembly” on
page 4-46.
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?
Go to step 6 Replace the
“System board”
on page 4-72.
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.
Replace the
“Fuser
assembly” on
page 4-35.
Replace the
“LVPS
assembly” on
page 4-46.
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