Lexmark MX912dxe - Page 101

Action Yes No
Step 7
Enter the Diagnostics menu, and then navigate to:
INPUT TRAY TESTS > Feed Tests > Tray 4
Does the leading edge of the paper reach the sensor (2 x 500‑sheet tray
4 paper feed)?
Go to step 13. Go to step 8.
Step 8
Check the tray 4 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?
Go to step 9. The problem is solved.
Step 9
Enter the Diagnostics menu, and then navigate to:
MOTOR TESTS > 2 x 500-Sheet Tray Motor Tests > Tray 4 feed
Does the motor run?
Go to step 17. Go to step 10.
Step 10
a Reseat the motor cable.
b Check the cable for damage, and replace if necessary.
Does the problem remain?
Go to step 11. The problem is solved.
Step 11
a Check the paper feed belt for proper tension, and adjust if necessary.
b Check the paper feed gear and belt for wear or damage, and replace
if necessary.
Does the problem remain?
Go to step 12. The problem is solved.
Step 12
Replace the motor (2 x 500‑sheet tray 4 transport). See
“2 x 500-sheet
tray feed and transport motors removal” on page 486.
Does the problem remain?
Go to step 13. The problem is solved.
Step 13
Check the sensor (2 x 500‑sheet tray 4 transport).
Is it free of damage?
Go to step 14. Go to step 16.
Step 14
Enter the Diagnostics menu, and then navigate to:
SENSOR TESTS > 2 x 500-Sheet Tray Sensor Tests > Tray 4 transport
Does the sensor status change while toggling the sensor?
Go to step 17. Go to step 15.
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Diagnostic information
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