Lexmark MB2236 - Page 94

Sensor (input sensor S3) service check
Action Yes No
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?
Go to step 2. The problem is
solved.
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?
Go to step 3. The problem is
solved.
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?
Go to step 4. The problem is
solved.
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?
Go to step 7. Go to step 5.
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?
Go to step 7. Go to step 6.
Step 6
Replace the sensor.
Does the problem remain?
Go to step 7. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
94