Exit Sensor Service Check; Next - Lexmark X746de Service Manual

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
buttons 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 change from
Closed to Open on the touchscreen?
920.08—Exit sensor service check
Step Questions / actions
Verify the paper is loaded properly in the
1
paper tray or manual feed slot.
Is the paper properly loaded?
1. Turn the printer off.
2
2. Install the new fuser. See
assembly removal" on page
Note: Do not reset fuser count or run
motor calibration yet.
3. POR the printer.
Did the error clear?
Remove the rear frame cover. See
3
frame cover removal" on page
Check the fuser DC cable in the connector
JFUSER1 for proper connection to the system
board, for pinch points, and for any other
damage to the cable or the connector.
Is the cable damaged?
Service Manual
2-116
Replace the paper pick
mechanism. See
pick mechanism
assembly removal" on
page 4-130.
Go to step 2.
Problem resolved.
"Fuser
Note: Complete the fuser
4-104.
installation, reset fuser
count, and run motor
calibration. See
assembly removal" on
page 4-104.
Replace the fuser DC
"Rear
cable. See
4-37.
cable removal" on
page 4-107.
Yes
Replace the system board.
See
"Paper "System board
removal" on page
Yes
Load paper correctly.
Remove the new fuser, and
go to step 3.
"Fuser
Go to step 4.
"Fuser DC
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4-157.

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