Lexmark MS911 Service Manual page 79

Tray 2 feed jam service check
Action
Step 1
Enter the Diagnostics menu, and then navigate to:
EVENT LOG > Display Log
Do most of the recent error codes end with a 1? (Example: 241.11, 200.91)
Step 2
Make sure that the tray 2 feed paper path, including the sensors, are free
of debris or dust.
Does the problem remain?
Step 3
Check the sensor (tray 2 paper feed).
Is it free of damage?
Step 4
Enter the Diagnostics menu, and then navigate to:
SENSOR TESTS > PRINTER SENSOR TESTS > Tray 2 paper feed
Does the sensor status change while toggling the sensor?
Step 5
a
Reseat the tray 2 paper feed sensor cable.
b
Check the sensor cable for damage, and replace if necessary.
Does the problem remain?
Step 6
Replace the sensor (tray 2 paper feed).
Does the problem remain?
Step 7
Enter the Diagnostics menu, and then navigate to:
INPUT TRAY TESTS > Feed Tests > Tray 2
Does the leading edge of the paper reach the sensor (tray 2 paper feed)?
Step 8
Does the leading edge of the paper reach the sensor (tray 2 transport)?
Yes
Go to step 2.
Go to step 3.
Go to step 4.
Go to step 7.
Go to step 6.
Go to step 7.
Go to step 8.
Go to step 15.
Diagnostic information
79
4021
No
Go to step 7.
The problem is solved.
Go to step 6.
Go to step 5.
The problem is solved.
The problem is solved.
Go to step 9.
Go to step 10.