Lexmark MB2236 Service Manual page 94

Sensor (input sensor S3) 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
Reseat the sensor cable.
b
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
c
Find the sensor (staging sensor S2).
Does the sensor status change while toggling the sensor?
Step 5
a
Check the sensor for proper installation and damage.
b
Check the alignment with the sensor flag.
c
Check the sensor cable for proper connection and damage.
Is the sensor properly installed and free of damage?
Step 6
Replace the sensor.
Does the problem remain?
Diagnostics and troubleshooting
94
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Go to step 7. Go to step 5.
Go to step 7. Go to step 6.
Go to step 7. The problem is
solved.
3400-48x