Diagnostic information
2-147
7526
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Input sensor service check
Step
Questions / actions
Yes
No
1
Is the input sensor flag damaged?
Replace the paper pick
mechanism. See
pick mechanism
assembly removal” on
page 4-137
Go to step 2.
2
Turn the printer off, and then remove the rear
frame cover. See
.
Check the cable in connector JTRAY1 for
proper connection to the system board, for
pinch points, and any other damage to the
cable or connector. Check both ends of the
cable.
Is the cable damaged?
Replace the paper pick
mechanism. See
pick mechanism
assembly removal” on
page 4-137
Go to step 3.
3
1. Disconnect the cable in the connector
JTRAY1.
2. ,Connect the cable to the new paper pick
assembly.
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
Input
.
Did the touchscreen change from Open to
Closed?
Replace the paper pick
mechanism. See
pick mechanism
assembly removal” on
page 4-137
Replace the system board.
1
JSB1
JBIN1
JFAN1
JFUSER1
JFUSER1
JBOR1
JHVPS1
JMIRR1
JBLW1
JCVR1
JLVPS2
JCARTP1
JCARTS1
JCARTS2
JCARTP2
JDVR1
JTPS1
JOPT1
JOPT1
JFDS1
JINT1
JFDPCK1 JTRAY1 JSEC1
JDX1
JT12
J5
JDIMM1
JOPP1
JT1
JUSB1
JBOOT1
JFMUSB1
J49
JTWF1
JTDBUG1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
JTLBT1
JPH1
F5
F6
F7
F9
F10
F12
F13
F14
1
1
J10
1
1
A
Summary of Contents for X734DE
Page 10: ...x Service Manual 7526 Go Back Previous Next...
Page 15: ...Notices and safety information xv 7526 Go Back Previous Next...
Page 16: ...xvi Service Manual 7526 Go Back Previous Next...
Page 22: ...xxii Service Manual 7526 Go Back Previous Next...
Page 254: ...3 58 Service Manual 7526 Go Back Previous Next Printer base...
Page 266: ...3 70 Service Manual 7526 Go Back Previous Next...
Page 324: ...4 58 Service Manual 7526 Go Back Previous Next 6 Grasp the auger shaft C and remove it C...
Page 482: ...4 216 Service Manual 7526 Go Back Previous Next 9 Remove the two screws G G 18B1236...
Page 495: ...Repair information 4 229 7526 Go Back Previous Next 5 Lift the cover from the ADF...
Page 572: ...5 2 Service Manual 7526 Go Back Previous Next Connectors System board...
Page 582: ...5 12 Service Manual 7526 Go Back Previous Next...
Page 588: ...6 6 Service Manual 7526 Go Back Previous Next...
Page 594: ...7 6 Service Manual 7526 Go Back Previous Next Assembly 3 Right 1 2 3 4 5 6...
Page 596: ...7 8 Service Manual 7526 Go Back Previous Next Assembly 4 Rear...
Page 604: ...7 16 Service Manual 7526 Go Back Previous Next Assembly 9 Automatic document feeder ADF...
Page 606: ...7 18 Service Manual 7526 Go Back Previous Next Assembly 10 Flatbed scanner...
Page 612: ...7 24 Service Manual 7526 Go Back Previous Next Assembly 14 Options and features...
Page 614: ...7 26 Service Manual 7526 Go Back Previous Next...
Page 622: ...I 8 Service Manual 7526 Go Back Previous Next...
Page 626: ...I 12 Service Manual 7526 Go Back Previous Next...