Lexmark MB2236 Service Manual page 101

Sensor (fuser exit sensor S4) never cleared service check
Action
Step 1
a
Make sure that the tray insert is properly inserted.
b
Make sure that the paper type and size settings match the
paper type and size set on the tray.
c
Make sure that the duplex unit is properly inserted.
d
Make sure that the paper size setting in the duplex unit matches
the printer setting.
e
Make sure that the front and rear doors are fully closed.
f
Make sure that the output bin is free from obstructions.
Does the problem remain?
Step 2
a
Remove the imaging unit and toner cartridge, and then make
sure that the paper path is free of jams and obstructions.
b
Clear all rollers of dirt and contamination.
Does the problem remain?
Step 3
a
Perform a POR.
b
Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
Does the problem remain?
Step 4
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (fuser exit sensor S4).
Does the sensor status change while toggling the sensor?
Step 5
a
Make sure that the fuser exit sensor cable is properly
connected and free of damage.
b
Make sure that the sensor is properly aligned with the sensor
flag.
c
Check the sensor for proper installation and damage.
Is the sensor properly installed and free of damage?
Step 6
Replace the sensor. See
page 252.
Does the problem remain?
"Sensor (fuser exit) removal" on
Diagnostics and troubleshooting
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 7.
Go to step 7.
Go to step 7.
101
3400-48x
No
The problem is
solved.
The problem is
solved.
The problem is
solved.
Go to step 5.
Go to step 6.
The problem is
solved.