2-18 Service Manual
5061
122.01 error code service check
Hot fuser
Error code 122.01 indicates that the fuser heated up too quickly or not quickly enough. Error code 122.01 may
also indicate a problem in the fuser assembly with the hot roll bearings, hot roll thermistor, LVPS, or the system
board.
4
Check the printer is setting on a solid, flat surface.
Is the printer setting on a solid, flat surface?
Go to step 5 Inform the
customer that the
printer must be
setting on a solid,
flat surface.
5
The front contamination shield is attached to the front
plate of the ITU frame and lies on the top of the ITU
belt.
Is the front contamination shield lying on the ITU belt.
Go to step 6 Position the
shield on top of
the belt.
6
Remove the ITU and check the ITU belt position. If the
belt has shifted to the front or to the rear it should be
replaced. The belt must not shift more than 4 mm in
either direction. Check by making the measurements
as shown. The lower limit is 3.1 mm, the high limit is
8.1 mm, and the optimum position is 5.6 mm.
Has the ITU Belt shifted to the front or to the rear?
Replace the ITU
assembly. See
“ITU assembly
removal” on
page 4-49 and
run the belt
tracking. See
“Belt Tracking
(ITU 4th point
adjustment)” on
page 3-13.
Treat as a belt
stall or signal
communications
problem. See
“100.01 ITU
error service
check” on
page 2-14.
Step Actions 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.
See “LVPS
assembly
removal” on
page 4-53.
2
Turn the printer on. Measure the voltage on connector
J17-11 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. See
“Fuser
assembly
removal” on
page 4-44.
Replace the
system board.
See “System
board removal”
on page 4-90.
Step Actions and questions Yes No
To Next Page
Loading...
Need help?
General
