Diagnostic information
2-65
5061
2
Check the TMC pin (B) in the black cartridge contact
assembly to make sure it moves freely.
Does the pin move freely?
Go to step 3
Replace the
cartridge contact
assembly. See
“Cartridge
contact
assembly
removal” on
page 4-35
.
3
Go to
“BASE SENSOR TEST” on page 3-24
, and
check the black TMC sensor. When you press the
TMC pin in the black cartridge contact assembly, make
sure it actuates the TMC switch on the developer
HVPS. When the TMC pin is pressed in, you hear a
click
when the switch actuates. Check for mechanical
interference between the contact block and the
developer HVPS.
Note: You may need to turn the printer off to hear the
click
.
Does the black TMC switch on the developer HVPS
board actuate properly when the TMC pin is pressed?
Replace the
cartridge.
Go to step 4
4
Check the developer HVPS board to make sure it is not
cracked or broken.
Is the developer HVPS cracked or broken?
Go to step 6
Go to step 5
5
Check the mounting of the developer HVPS. Make
sure the screws that mount the power supply are
properly tightened down and the board is positioned
and mounted correctly.
Is the developer HVPS mounted correctly?
Replace the
developer HVPS
assembly. See
“Developer
HVPS board
removal” on
page 4-39
.
If the board is
incorrectly
installed, install it
correctly. Make
sure all the
mounting screws
are tightened
down. Recheck
the printer to see
if a 943 Error is
still displayed.
6
Make sure the developer HVPS cable is correctly
installed on the developer board assembly.
Is the cable correctly installed?
Go to step 7
Correctly connect
the cable.
7
Make sure the developer HVPS cable is correctly
installed at J6 on the system board.
Is the cable properly installed?
Go to step 8
Correctly install
the cable.
8
Check the voltage at connector J6-1 on the system
board while pressing the black TMC pin in the cartridge
contact assembly.
Does the voltage change when the pin is pressed?
Replace the
system board.
See
“System
board removal”
on page 4-90
.
Go to step 9
Step
Actions and questions
Yes
No
B
Содержание C77X
Страница 15: ...Notices and safety information xv 5061...
Страница 16: ...xvi Service Manual 5061...
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Страница 44: ...1 22 Service Manual 5061...
Страница 182: ...2 138 Service Manual 5061...
Страница 275: ...Repair information 4 43 5061 3 Unlatch the alignment stud C 4 Remove the front right light shield...
Страница 282: ...4 50 Service Manual 5061 4 Raise the ITU release lever B 5 Slide the ITU assembly from the printer...
Страница 293: ...Repair information 4 61 5061 6 Release the MPF latch F and remove the MPF...
Страница 295: ...Repair information 4 63 5061 4 Unhook the autocompensator spring C 5 Rotate the shaft up and out of the MPF assembly...
Страница 325: ...Repair information 4 93 5061 3 Remove all connectors C 4 Remove the transfer HVPS board...
Страница 338: ...4 106 Service Manual 5061...
Страница 339: ...Connector locations 5 1 5061 5 Connector locations Locations Printer boards...
Страница 340: ...5 2 Service Manual 5061 Printer motors...
Страница 341: ...Connector locations 5 3 5061 Printer sensors...
Страница 342: ...5 4 Service Manual 5061 Cartridge contact assembly pin locations cyan magenta and yellow...
Страница 343: ...Connector locations 5 5 5061 Cartridge contact assembly pin locations black...
Страница 344: ...5 6 Service Manual 5061 System board cabling reference Refer to the System board wiring diagrams for additional details...
Страница 345: ...Connector locations 5 7 5061 Connectors System board...
Страница 358: ...5 20 Service Manual 5061 Transfer high voltage power supply HVPS...
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Страница 380: ...7 8 Service Manual 5061 Assembly 3 1 Fuser web oiler 1 3 2...
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Страница 408: ...7 36 Service Manual 5061 Assembly 23 Electronics cabling interconnections 1...
Страница 410: ...7 38 Service Manual 5061 Assembly 24 Electronics cabling interconnections 2...
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Страница 422: ...7 50 Service Manual 5061 Assembly 29 500 Sheet drawer option 3 11 7 5 9 2 10 6 4 8 1...
Страница 432: ...7 60 Service Manual 5061 Assembly 31 1 High capacity input tray HCIT 1 2 6 3 7 11 8 8 4 4 5 5 3 9 10 12 4 4 4 4 13 14...
Страница 438: ...7 66 Service Manual 5061 Assembly 33 Envelope option 2 1...
Страница 442: ...7 70 Service Manual 5061 Assembly 36 Options...
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Страница 450: ...B 2 Service Manual 5061 Print Quality Pages Page 1 total of five...
Страница 451: ...Appendix B Print quality samples B 3 5061 Print Quality Pages Page 2 total of five...
Страница 452: ...B 4 Service Manual 5061 Print Quality Pages Page 3 total of five...
Страница 453: ...Appendix B Print quality samples B 5 5061 Print Quality Pages Page 4 total of five...
Страница 457: ...Appendix B Print quality samples B 9 5061 Printhead electronic alignment test page Magenta two of two...
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