Lexmark C734 Service Manual page 96

5026
Step Questions / actions
9 1. Replace the fuser. See
on page 4-90.
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
. and turn on the printer).
3. Select SENSOR TESTS, and press
Select (
4. Select Dynamic Sensors, and press
Select (
5. Select Fuser Exit, and press
Select (
6. Open the front access door and the top
access cover.
7. Did the fuser exit sensor change from
Open to Closed?
2-62
Service Manual
"Fuser removal"
).
).
).
Yes
Problem resolved
and
No
Replace the system board.
See "System board
removal" on page 4-139.