2-66
Service Manual
5061
956.xx service error service check
Service <
xxxx
> System Board
982.xx error service check
9
Check the voltage at connector J6-1 when the black
TMC switch is pressed.
Does the voltage measure approxi3.3 V dc?
Go to step 10
Go to step 11
10
Check the developer HVPS to system board cable for
damage, broken connections, or wire and shorts
between adjacent pins.
Are there any signs of damage to the cable?
Replace the
cable.
Replace the
developer HVPS
board. See
“Developer
HVPS board
removal” on
page 4-39
.
11
Disconnect the developer HVPS cable from connector
J6 on the system board. Measure the voltage on
connector J14-1 on the system board.
Does the voltage measure approximately 0 V dc?
Replace the
system board.
See
“System
board removal”
on page 4-90
.
Replace the
developer HVPS
and developer
HVPS to system
board cable.
Step
Actions and questions
Yes
No
1
Remove all option boards from the system board. Turn
on the printer.
Does the error continue?
Replace the
system board.
See
“System
board removal”
on page 4-90
.
Go to step 2
2
Replace each option board one at a time, making sure
the boards are properly seated. Turn the printer off and
then on between each option board to view any error
messages.
Does the error reappear?
Replace the
failing option
board.
Problem resolved
Step
Actions and questions
Yes
No
1
Are the output options not recognized?
Go to step 2
Go to step 4
2
Remove the output option, and reinstall it on the
printer. Power on the printer.
Does this fix the problem?
Replace the
output option.
Replace the top
option
autoconnect
cable.
3
Remove the input option, and reinstall it on the printer.
Power on the printer.
Does this fix the problem?
Problem resolved
Go to step 4
4
Voltage check, base printer autoconnect connector—
Turn the power off, and remove the output option from
the printer. Check the voltages on the base printer top
autoconnect connector. See
“Autoconnect—top” on
page 5-18
.
Are the voltages correct?
Replace the
output option.
Replace the
bottom option
autoconnect
cable.
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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