Diagnostic information
2-83
5061
Duplex option service check
Before proceeding with this service check:
1.
Check for any pieces of media or obstructions in the duplex paper path that might cause a paper jam.
2.
Check for correct installation of the front duplex jam tray and right side clearance tray.
3.
Check the duplex option for any signs of loose, damaged, contaminated, or warped parts that might cause
a jam.
Duplex not recognized as being installed
Step
Actions and questions
Yes
No
1
Is duplex option the only option installed beneath the
base printer?
Go to step 3
Go to step 2
2
Except for the duplex option, remove any other paper
options installed beneath the base printer.
Does the printer recognize the duplex option as being
installed?
The problem is in
one of the
option(s) that is
installed beneath
the printer. Try to
isolate which of
the options is
causing the
problem.
Go to step 3
3
Make sure the duplex option is correctly installed.
Is the duplex option installed correctly?
Go to step 4
Install the duplex
option correctly.
4
Make sure the bottom options cable connector is
snapped
firmly into the bottom of the base machine.
Is the cable connector mounted correctly?
Go to step 5
Install the cable
correctly.
5
Make sure the bottom options cable is installed
correctly to system board connector J20.
Is the cable installed correctly?
Go to step 6
Install the cable
correctly.
6
Check the voltages on connector J20 on the system
board. The voltages are measured with the printer in
standby mode:
Note:
All voltages are approximate values.
Are the voltages correct?
Go to step 7
Replace the
system board.
Connector pin Voltage
J20-1
+5 V dc
J20-2
Ground
J20-3
Ground
J20-4
+5 V dc
J20-5
+24 V dc
J20-8
+5 V dc
J20-7
+5 V dc
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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