Lexmark MX81 series Service Manual page 179

Action
Step 7
Open the rear cover. Do a feed test, enter Diagnostics Menu and navigate
to:
INPUT TRAY TESTS > Feed Test > Tray [x]
Viewing from the holes at the rear side, observe the pick/feed motor.
Does the feed motor run?
Step 8
Check the sensor (HCIT roller position) and make sure that it is properly
installed. If damaged, then replace the sensor. Go to
position) removal" on page
Reseat the sensor connector on the controller PCBA and reseat also on
the other end of the sensor. POR the machine.
Does the error remain?
Step 9
Open the right cover. Reseat the cable attached to the lift motor.
Does the error remain?
Step 10
Open the right cover. Do a feed test, enter Diagnostics mode and navigate
to:
INPUT TRAY TESTS > Feed Test > Tray [x]
Does the lift motor run?
Step 11
Reseat all connectors on the controller PCBA.
Does the error remain?
"Sensor (pick roll
533.
Diagnostic information
Yes
Go to step 8.
Go to step 9.
Go to step 10.
Go to step 11.
Replace the controller
PCBA. Go to
controller PCBA
removal" on page
526.
177
No
Replace the media
feeder. Go to "HCIT
media feeder
removal" on page
536.
The problem is solved.
The problem is solved.
Replace the lift motor.
Go to "HCIT lift drive
motor removal" on
page 529.
The problem is solved.
"HCIT
7463