Lexmark MS911 Service Manual page 140

2500-sheet tray transport failure service check
Actions
Step 1
Enter the Diagnostics Menu, and then navigate to:
PRINTER SETUP > Reset engine Service Error
Note: Do this step every time a service error would occur to clear the
error and restore the engine settings.
Does the error remain?
Step 2
a
Check the 2500-sheet tray feed and transport motor belt for proper
tension, and adjust if necessary.
b
Check the 2500-sheet tray feed and transport motor gear and belt for
wear or damage, and replace if necessary.
Does the problem remain?
Step 3
Check the 2500-sheet tray transport rollers for damage, and replace if
necessary. See "2500‑sheet tray transport roller removal" on page
Note: If the page count is over 50K, then clean the rollers.
Does the problem remain?
Step 4
Replace the motor (2500-sheet tray transport). See
tray transport) removal" on page
Does the problem remain?
Step 5
Check the 2500-sheet tray controller board pins for damage, and replace
if necessary. See "2500-sheet tray controller board removal" on
page 332.
Does the problem remain?
"Motor (2500‑sheet
351.
Diagnostic information
140
Yes
Go to step 2.
Go to step 3.
Go to step 4.
341.
Go to step 5.
Contact the next level
of support.
4021
No
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.
The problem is solved.