Diagnostic information
2-117
5062
Dead printer service check
A dead printer is a condition where the display is blank, the LED on the operator panel is off, no fans turn, no
motors turn, and the fuser lamp does not come on.
If a 550-sheet option assembly is installed, remove the option and check the base printer for correct operation. If
the base printer operates correctly, replace the 550-sheet option assembly.
Warning:
Observe all necessary ESD precautions when removing and handling the system board or any
installed option cards or assemblies. See
“Handling ESD-sensitive parts” on page 4-1
.
Remove any input and output paper handling options from the printer.
Step
Questions / actions
Yes
No
1
Is the AC line cord damaged?
Replace the line cord.
Go to step 2.
2
Turn the printer off, open the system board
shield, and remove the connector shield.
Check the system board for +5 V dc between
JLVPS1 pin 6 and ground.
Is the voltage correct?
Replace the system board.
See
.
Go to step 3.
3
Is the JLVPS1 cable correctly installed at
JLVPS1 on the system board?
Go to step 4.
Reseat the cable.
4
1. Turn the printer off.
2. Disconnect the JLVPS1 cable from the
system board.
3. Turn the printer on, and then measure the
voltage between the JLVPS1 cable pin 6
and the pin 15 (black wire).
Does this measure approxi5 V dc?
Go to step 5.
Replace the LVPS. See
“Low-voltage power
supply (LVPS) removal”
on page 4-82
5
1. Turn the printer off.
2. Disconnect the cables in J5, JFSR1,
JHVPS, JCM1, JITM1, JKI1, JOOPT1,
and JYF1.
3. Connect the JLVPS1 cable to the system
board.
4. POR the printer.
Is the printer still dead?
Contact your next level of
support.
Go to step 6.
6
Connect one cable at a time, and POR the
printer.
Did you find the failing part?
Replace the failing part.
Contact you next level of
support.
CAUTION
When you see this symbol, there is a danger from hazardous voltage in the area of the product
where you are working. Unplug the product before you begin, or use caution if the product
must receive power in order to perform the task.
Summary of Contents for C792de
Page 17: ...Notices and safety information xvii 5062...
Page 18: ...xviii Service Manual 5062...
Page 24: ...xxiv Service Manual 5062...
Page 38: ...1 14 Service Manual 5062...
Page 178: ...2 140 Service Manual 5062...
Page 220: ...3 42 Service Manual 5062...
Page 234: ...4 14 Service Manual 5062 11 Slide the lower left cover down to remove it from the left cover...
Page 242: ...4 22 Service Manual 5062 3 Separate the system board shield door from the rear upper cover...
Page 244: ...4 24 Service Manual 5062 6 Remove the screw B 7 Remove the four screws C B 88A0212 C 88A0323...
Page 258: ...4 38 Service Manual 5062 3 Remove the screw A in the top cover A 88A0323...
Page 260: ...4 40 Service Manual 5062 6 Press the release tab B to disconnect the cable from the assembly B...
Page 275: ...Repair information 4 55 5062 4 Push the assembly up and pull to remove it...
Page 423: ...Repair information 4 203 5062 7 Remove the motor from the bracket...
Page 429: ...Repair information 4 209 5062 7 Release the pick assembly cables from the cable guide D D...
Page 464: ...4 244 Service Manual 5062 3 Using a spring hook remove the spring...
Page 492: ...4 272 Service Manual 5062 3 Use a spring hook to remove the spring A...
Page 517: ...Repair information 4 297 5062 4 Remove the screw C from the left side...
Page 521: ...Repair information 4 301 5062 6 Remove the two screws D one screw E and disconnect the cable F...
Page 537: ...Repair information 4 317 5062...
Page 538: ...4 318 Service Manual 5062...
Page 540: ...5 2 Service Manual 5062 Connectors System board...
Page 555: ...Connector locations 5 17 5062 5 bin mailbox printer circuit board...
Page 556: ...5 18 Service Manual 5062...
Page 560: ...6 4 Service Manual 5062...
Page 564: ...7 4 Service Manual 5062 Assembly 2 Left and rear covers 1 2 4 5 6 7 8 9 10 11 12 13 14 3...
Page 566: ...7 6 Service Manual 5062 Assembly 3 Front 1 2 4 5 6 7 8 3 3 3 3...
Page 568: ...7 8 Service Manual 5062 Assembly 3 1 Front continued 1 2 4 5 1 1 1 3...
Page 570: ...7 10 Service Manual 5062 Assembly 4 Left 1 2 4 5 6 8 7 3...
Page 572: ...7 12 Service Manual 5062 Assembly 4 1 Left continued 1 2 3 4...
Page 574: ...7 14 Service Manual 5062 Assembly 5 Rear 1 2 3 6 10 8 9 11 4 7 5 12...
Page 576: ...7 16 Service Manual 5062 Assembly 6 Optional 550 sheet tray 1 2...
Page 578: ...7 18 Service Manual 5062 Assembly 7 Optional 550 sheet drawer assembly 4 5 3 2 2 1...
Page 582: ...7 22 Service Manual 5062 Assembly 9 Finisher assembly...
Page 584: ...7 24 Service Manual 5062 Assembly 9 1 Finisher assembly continued...
Page 586: ...7 26 Service Manual 5062 Assembly 10 Finisher stapler assembly 1 2...
Page 588: ...7 28 Service Manual 5062 Assembly 11 High capacity output stacker...
Page 590: ...7 30 Service Manual 5062 Assembly 11 1 High capacity output stacker continued...
Page 604: ...7 44 Service Manual 5062...
Page 606: ...A 2 Service Manual 5062 Print Quality Pages Page 1 total of five...
Page 607: ...Appendix A Print samples A 3 5062 Print Quality Pages Page 2 total of five...
Page 608: ...A 4 Service Manual 5062 Print Quality Pages Page 3 total of five...
Page 609: ...Appendix A Print samples A 5 5062 Print Quality Pages Page 4 total of five...
Page 613: ...Appendix A Print samples A 9 5062 Printhead electronic alignment test page Magenta two of two...
Page 626: ...I 12 Service Manual 5062...
Page 630: ...I 16 Service Manual 5062...