250/550-Sheet Transport Motor Failure Service Check - Lexmark MX81 series Service Manual

250/550-sheet transport motor failure service check

Action
Step 1
Remove all input options and re-install only the suspected 250/550-sheet
tray option. POR into diagnostics mode and navigate to:
INPUT TRAY TESTS > Feed tests > Tray 2
Does the input option feed normally?
Step 2
Remove the tray from the drawer and do the following:
•
Check the paper guides for damage. Move the paper guide and verify
if it can move freely from one position to another.
•
Check the media size finger flag for damage.
•
Check the lift plate gear for damage. Manually turn the lift plate gear
and check if it causes the lift plate to move upward.
•
Check the separator gears for damage. Manually turn the gear and
check if the gears function properly.
Are the above components ok?
Step 3
Open the left cover and do the following:
•
Reseat the connector (J10) on the controller board.
•
Check the motor cables. If damaged, then replace the transport motor.
See "Drawer transport motor removal" on page
•
Remove the media tray. Manually turn the transport motor encoders,
and check if it causes the transport and separator gears to turn. If there
is a problem with the gears, then replace the input option. See
"250/550-sheet media tray option removal" on page
Replace the transport motor. See
page 509.
Does the error remain?
Step 4
Remove the 250/550-sheet input option and check the upper interface
cable. If damaged, then replace the upper interface cable.
Re-seat the connector (J1) on the controller board, then POR the machine.
Does the error remain?
509.
499.
"Drawer transport motor removal" on
Diagnostic information
151
Yes No
The problem may not Go to step 2.
be on this option tray.
Re-install the
remaining input
options one at a time
and test each option
for errors. Proceed
with the appropriate
service check based on
the error message and
the input option being
tested.
Go to step 3. Replace the media tray.
Go to
assembly removal" on
page
Replace the input The problem is solved.
option. Go to
"250/550-sheet media
tray option removal"
on page 499.
If the error persists,
then go to step 4.
Go to step 5. The problem is solved.
7463
"Media tray
500.