230.05-Paper Jam Error Service Check - Lexmark C746n Service Manual

5026
Step Questions / actions
1. Replace the fuser. See
8
on page 4-110.
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
3. Navigate to SENSOR TESTS > Dynamic
Sensors > Fuser Exit.
4. Open the front access door and top
access cover.
5. Activate the fuser exit sensor.
6. Did the fuser exit sensor change from
Open to Closed?
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.
Are any of the fuses blown?
Service Manual
2-70
Problem resolved.
"Fuser removal"
Replace the tray.
Replace the MPF duplex
gear. See
feeder (MPF)/duplex gear
and housing removal" on
page
Replace the MPF duplex
motor cable. See
"Rear
"Multipurpose feeder
4-47.
(MPF)/duplex motor
cable removal" on
page
Replace the system board.
See
"System board
removal" on page
Yes
Replace the system board.
See
page
Yes
Go to step 2.
Go to step 3.
"Multipurpose
4-123.
Go to step 4.
4-128.
Go to step 5.
4-155.
No
"Fuser removal" on
4-110.
No
Previous
Next
Go Back