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 approxi0.13 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
Summary of Contents for C77X
Page 15: ...Notices and safety information xv 5061...
Page 16: ...xvi Service Manual 5061...
Page 22: ...xxii Service Manual 5061...
Page 44: ...1 22 Service Manual 5061...
Page 182: ...2 138 Service Manual 5061...
Page 293: ...Repair information 4 61 5061 6 Release the MPF latch F and remove the MPF...
Page 325: ...Repair information 4 93 5061 3 Remove all connectors C 4 Remove the transfer HVPS board...
Page 338: ...4 106 Service Manual 5061...
Page 339: ...Connector locations 5 1 5061 5 Connector locations Locations Printer boards...
Page 340: ...5 2 Service Manual 5061 Printer motors...
Page 341: ...Connector locations 5 3 5061 Printer sensors...
Page 342: ...5 4 Service Manual 5061 Cartridge contact assembly pin locations cyan magenta and yellow...
Page 343: ...Connector locations 5 5 5061 Cartridge contact assembly pin locations black...
Page 345: ...Connector locations 5 7 5061 Connectors System board...
Page 358: ...5 20 Service Manual 5061 Transfer high voltage power supply HVPS...
Page 368: ...5 30 Service Manual 5061...
Page 372: ...6 4 Service Manual 5061...
Page 380: ...7 8 Service Manual 5061 Assembly 3 1 Fuser web oiler 1 3 2...
Page 402: ...7 30 Service Manual 5061 Assembly 22 Electronics 3 3 3 2 1...
Page 404: ...7 32 Service Manual 5061 Assembly 22 1 Electronics 3 5 4 8 1 9 10 2 2 6 6 6 7 6 6...
Page 408: ...7 36 Service Manual 5061 Assembly 23 Electronics cabling interconnections 1...
Page 410: ...7 38 Service Manual 5061 Assembly 24 Electronics cabling interconnections 2...
Page 420: ...7 48 Service Manual 5061 Assembly 28 1 5 Bin mailbox 3 3 3 3 11 7 13 5 9 2 10 6 4 12 8 14 1 15...
Page 422: ...7 50 Service Manual 5061 Assembly 29 500 Sheet drawer option 3 11 7 5 9 2 10 6 4 8 1...
Page 438: ...7 66 Service Manual 5061 Assembly 33 Envelope option 2 1...
Page 442: ...7 70 Service Manual 5061 Assembly 36 Options...
Page 444: ...7 72 Service Manual 5061...
Page 450: ...B 2 Service Manual 5061 Print Quality Pages Page 1 total of five...
Page 451: ...Appendix B Print quality samples B 3 5061 Print Quality Pages Page 2 total of five...
Page 452: ...B 4 Service Manual 5061 Print Quality Pages Page 3 total of five...
Page 453: ...Appendix B Print quality samples B 5 5061 Print Quality Pages Page 4 total of five...
Page 458: ...B 10 Service Manual 5061...
Page 466: ...I 8 Service Manual 5061...
Page 476: ...I 18 Service Manual 5061...
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