2-54 Service Manual
5060-4xx
134 error code
Hot fuser
Error code 134 indicates that the fuser is running over temperature or the hot roll fuser lamp has been on too
long. Error code 134 may also indicate a problem in the fuser assembly with the hot roll bearings, hot roll
thermistor, LVPS, or the system board.
135 error code
Error code 135 indicates that a problem exists in the fuser assembly with the backup roll bearings, backup roll
thermistor, LVPS, or system board.
136 error code
Fuser assembly cam position is not found.
Step Action and questions Yes No
1 Turn the printer on. Open the right side fuser access
door. Observe the hot roll lamp to see if it turns on and
off. You may have to observe the lamp for a few
minutes to see if it turns on and off.
Does the lamp turn on and off?
Go to step 2 Replace the
“LVPS
assembly” on
page 4-46.
2
Turn the printer on and measure the voltage on
connector J33-11 on the system board. The voltage
should measure approximately +0.13 V dc and
+0.64 V dc as the hot roll lamp turns on and off.
Is the voltage correct?
Replace the
“Fuser
assembly” on
page 4-35.
Replace the
“System board”
on page 4-72.
Step Action and questions Yes No
1 Power on the printer. Open the right side of the fuser
access door. Observe the hot roll lamp to see if it turns
on and off. You may have to observe the lamp for a few
minutes to see it turn on and off.
Does the lamp turn on and off?
Go to step 2 Replace the
“LVPS
assembly” on
page 4-46.
2
Turn the printer on and 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 hot roll lamp turns on and off.
Is the voltage correct?
Replace the
“Fuser
assembly” on
page 4-35.
Replace the
“System board”
on page 4-72.
Step Action and questions Yes No
1 Observe the fuser drive assembly gears rotate during
POR.
Do the gears rotate?
Go to step 2 Go to step 5
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