Lexmark MS911 Service Manual page 80

Action
Step 9
Check the tray 2 feed, pick, and separator rollers for damage, and replace
if necessary.
Note: If the page count is over 50K, then clean the rollers.
Does the problem remain?
Step 10
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > PRINTER MOTOR TESTS > Paper feed
Does the motor run?
Step 11
a
Reseat the feed motor cable.
b
Check the feed motor cable for damage, and replace if necessary.
Does the problem remain?
Step 12
a
Check the paper feed belt for proper tension, and then adjust if
necessary.
b
Check the paper feed gear and belt for wear or damage, and replace
if necessary.
Does the problem remain?
Step 13
Replace the motor (feed). See
Does the problem remain?
Step 14
a
Make sure that the paper feed drive assembly is properly installed.
b
Make sure that the paper feed drive assembly is clear of obstructions.
c
Check the paper feed drive for damage, and replace if necessary. See
"Feed drive assembly removal" on page
Does the problem remain?
Step 15
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > PRINTER MOTOR TESTS > Tray 2 vertical transport
Does the motor run?
"Motor (feed) removal" on page
315.
Diagnostic information
Yes
Go to step 10.
Go to step 14.
Go to step 12.
Go to step 13.
Go to step 14.
312.
Go to step 15.
Go to step 19
80
4021
No
The problem is solved.
Go to step 11.
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.
Go to step 16.