Lexmark X746de Service Manual page 198

7526
Step Questions / actions
1. Disconnect the cable in JTRAY1, and
4
connect the cable from the new paper pick
mechanism.
2. Enter Diagnostics mode (press and hold 3
and 6, turn on the MFP, and release the
buttons when the progress bar displays).
3. Touch SENSOR TESTS.
4. Touch Dynamic Sensors.
5. Touch Narrow Media.
6. Activate the narrow media sensor
Did the narrow media sensor status change on
the touchscreen?
Service Manual
2-158
Yes
Replace the paper pick
assembly. See
"Paper pick
mechanism assembly
removal" on page 4-130.
No
Replace the system board.
See
"System board
removal" on page 4-157.
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