Diagnostic information
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7526
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Print quality—vertical banding
Replace the developer cartridge.
Print quality—white gapping
3
Turn the printer off, and then check the
continuity of the HVPS cable.
Go to step 4.
Replace the cable
assembly.
Is there continuity?
4
Replace the HVPS. See
power supply (HVPS) removal” on
page 4-120
Did this solve the problem?
Problem resolved.
Replace the system board.
Step
Questions / actions
Yes
No
1
1. Open the front cover.
2. Remove the toner cartridge base on the
color of the print quality defect.
3. Inspect the cartridge guide for damage or
obstructions. Clear any obstructions.
4. Inspect the cartridge guide wheel if its
dislodged or damaged.
Is the cartridge guide wheel damaged?
Replace the cartridge guide
wheel. See
guide wheel removal” on
page 4-63
.
Go to step 2.
2
1. Reinstall all the toner cartridge.
2. Ensure that the photoconductor units are
installed correctly.
3. Reseat the photoconductor.
4. Perform a print test.
Does this fix the problem?
Problem resolved.
Go to step 3.
3
1. Reseat JHVPS1 on the system board.
2. Reseat the other end of the cable located
on the HVPS.
3. Check for cuts and damage on the HVPS
cable.
Is the HVPS cable damaged?
Replace the HVPS cable.
See
supply (HVPS) cable
removal” on page 4-122
.
Go to step 4.
Step
Questions / actions
Yes
No
Pin 24
Pin 23
Pin 1
Pin 2
Pin 2
Pin 1
Pin 23
Pin 24
Содержание X734DE
Страница 10: ...x Service Manual 7526 Go Back Previous Next...
Страница 15: ...Notices and safety information xv 7526 Go Back Previous Next...
Страница 16: ...xvi Service Manual 7526 Go Back Previous Next...
Страница 22: ...xxii Service Manual 7526 Go Back Previous Next...
Страница 254: ...3 58 Service Manual 7526 Go Back Previous Next Printer base...
Страница 266: ...3 70 Service Manual 7526 Go Back Previous Next...
Страница 277: ...Repair information 4 11 7526 Go Back Previous Next d Touch Quick Test A page similar to this one prints...
Страница 293: ...Repair information 4 27 7526 Go Back Previous Next 4 Remove the five larger screws B and the two smaller screws C...
Страница 300: ...4 34 Service Manual 7526 Go Back Previous Next 4 Remove the five larger screws B and the two smaller screws C...
Страница 316: ...4 50 Service Manual 7526 Go Back Previous Next 7 Remove the six screws G 8 Remove the screw H in front...
Страница 324: ...4 58 Service Manual 7526 Go Back Previous Next 6 Grasp the auger shaft C and remove it C...
Страница 328: ...4 62 Service Manual 7526 Go Back Previous Next 5 Remove the two screws C 6 Remove the cartridge cooling fan C...
Страница 359: ...Repair information 4 93 7526 Go Back Previous Next 14 Remove the two screws O on the inside O P...
Страница 360: ...4 94 Service Manual 7526 Go Back Previous Next 15 Remove the seven screws R securing the EP drive R R First R R...
Страница 398: ...4 132 Service Manual 7526 Go Back Previous Next 3 Insert the motor into the frame 4 Replace the screws C...
Страница 422: ...4 156 Service Manual 7526 Go Back Previous Next f Touch Quick Test A page similar to this one prints...
Страница 464: ...4 198 Service Manual 7526 Go Back Previous Next 4 Remove the five larger screws B and the two smaller screws C...
Страница 482: ...4 216 Service Manual 7526 Go Back Previous Next 9 Remove the two screws G G 18B1236...
Страница 495: ...Repair information 4 229 7526 Go Back Previous Next 5 Lift the cover from the ADF...
Страница 513: ...Repair information 4 247 7526 Go Back Previous Next 5 Grasp the cover on the lower right and pull up...
Страница 571: ...Connector locations 5 1 7526 Go Back Previous Next 5 Connector locations Locations printer base...
Страница 572: ...5 2 Service Manual 7526 Go Back Previous Next Connectors System board...
Страница 582: ...5 12 Service Manual 7526 Go Back Previous Next...
Страница 588: ...6 6 Service Manual 7526 Go Back Previous Next...
Страница 592: ...7 4 Service Manual 7526 Go Back Previous Next Assembly 2 Front 5 2 3 4 7 9 11 A B D 8 10 12 E 13 C G F F 1 6...
Страница 594: ...7 6 Service Manual 7526 Go Back Previous Next Assembly 3 Right 1 2 3 4 5 6...
Страница 596: ...7 8 Service Manual 7526 Go Back Previous Next Assembly 4 Rear...
Страница 602: ...7 14 Service Manual 7526 Go Back Previous Next Assembly 8 Covers scanner 6 8 9 10 5 7 11 14 1 2 13 3 4 12...
Страница 604: ...7 16 Service Manual 7526 Go Back Previous Next Assembly 9 Automatic document feeder ADF...
Страница 606: ...7 18 Service Manual 7526 Go Back Previous Next Assembly 10 Flatbed scanner...
Страница 612: ...7 24 Service Manual 7526 Go Back Previous Next Assembly 14 Options and features...
Страница 614: ...7 26 Service Manual 7526 Go Back Previous Next...
Страница 622: ...I 8 Service Manual 7526 Go Back Previous Next...
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