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Service Manual
7526
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920.27, 920.28, 920.29—POST (power on self test) service check
3
1. Disconnect the cable in connector JFDS1.
2. Connect the new top cover sensor.
3. Bring the printer up in the Diagnostics
menu (turn off the printer, press and hold
3
and
6
, turn on the printer.)
4. Touch
Sensor Tests
.
5. Touch
Dynamic Sensors
.
6. Touch
Top Door
.
7. Activate the top cover sensor by pressing
the flag as shown.
Does the display on the touchscreen change
from Open to Closed?
Replace the top cover
sensor.
Replace the system board.
Step
Questions / actions
Yes
No
1
Is the specified option the 550-sheet tray?
Replace the 550-sheet tray
with a new 550-sheet tray
option.
Go to step 2.
2
Is the specified option the special media tray?
Replace the special media
tray with a new special tray
option.
Go to step 3.
3
Is the specified option the high-capacity input
tray (HCIT)?
Replace the HCIT
controller board assembly.
See
board assembly
removal” on page 4-295
Step
Questions / actions
Yes
No
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...
Страница 626: ...I 12 Service Manual 7526 Go Back Previous Next...