Lexmark MS911 - Page 136

Action Yes No
Step 5
a Make sure that the sensor (SHPF elevator position) is properly
installed.
b Make sure that the sensor is free of debris or dust.
c Reseat the cable on the sensor. Check the cable for damage, and
replace if necessary.
d Check the sensor for damage, and replace if necessary. See “Sensor
(SHPF elevator position) removal” on page 361.
Does the problem remain?
Go to step 6. Go to step 7.
Step 6
Replace the sensor. See
“Sensor (SHPF elevator position) removal” on
page 361.
Does the problem remain?
Go to step 7. The problem is solved.
Step 7
a Make sure that the elevator motor encoder and belt are properly
installed.
b Check the encoder and belt for damage, and replace if necessary. See
“Motor (SHPF elevator) removal” on page 359.
Does the problem remain?
Go to step 8. The problem is solved.
Step 8
a Make sure that the elevator belts and gears are properly installed.
b Check the belts and gears for wear or damage, and replace if
necessary.
Does the problem remain?
Go to step 9. The problem is solved.
Step 9
a Make sure that the elevator belt springs, elevator bin front and rear
brackets, and elevator belt holders are properly installed.
b Check the parts for wear or damage, and replace if necessary. See
“SHPF—Elevator bin section 2” on page 591.
Does the problem remain?
Go to step 10. The problem is solved.
Step 10
a Rotate the elevator bin shaft, and check for proper rotation.
b Check the ball bearings for wear or damage, and replace if necessary.
See
“SHPF—Elevator bin section 2” on page 591.
Does the problem remain?
Go to step 11. The problem is solved.
4021, 7421
Diagnostic information
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