230.05-Paper Jam Error Service Check - Lexmark X746de Service Manual

7526
Step Questions / actions
1. Replace the fuser.
8
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 Fuser Exit.
6. Open the front access door, and the top
access cover.
7. Activate the fuser exit sensor.
Did the fuser exit sensor change from Open to
Closed on the touchscreen?
230.03, 230.05—Paper Jam error service check
Step Questions / actions
Check the tray for any damage.
1
Is the tray damaged?
Check the MPF duplex gear for any damage.
2
Is the MPF Duplex gear damaged?
1. Turn the printer off.
3
2. Remove the rear frame cover. See
frame cover removal" on page
3. Check the MPF/duplex motor cable in
connector JDX1 for proper connection to
the system board, cable pinch points, and
any other damage to the cable or
connector.
Is the cable damaged?
Measure the continuity across all of the fuses
4
on the system board.
Is the fuse blown?
Service Manual
2-74
Yes
Problem resolved.
Yes
Replace the tray.
Replace the MPF duplex
gear. See
"Multipurpose
feeder (MPF)/duplex gear
and housing removal" on
page 4-127.
Replace the MPF duplex
motor cable. See
"Rear
"Multipurpose feeder
4-37.
(MPF)/duplex motor
cable removal" on
page 4-133.
Replace the system board.
See
"System board
removal" on page
No
Replace the system board.
See
"System board
removal" on page
No
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 5.
4-165.
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4-165.
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