250/550-Sheet Media Feeder Failure Service Check - Lexmark MS81 Series Service Manual

250/550-sheet media feeder failure service check

Action
Step 1
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 2
Remove the tray from the drawer and do the following:
•
Check the pick roller's position. The pick roller should not hang
vertically; it should lean horizontally underneath the top cover of the
drawer.
•
Make sure the pick roller is installed correctly. If not, then re-install
the pick roller.
•
Lower down the pick roller and then release. Check if the pick roller
would spring back to its original position.
•
Check the pick roller for damage. Check for wear on the pick tires.
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 and drawer assembly removal" on
page 397.
•
Replace the transport motor. See
on page 407.
Does the error remain?
407.
"Drawer transport motor removal"
Diagnostic information
128
Yes No
Go to step 2. Replace the media tray.
Go to
assembly removal" on
page
Go to step 3. Replace the pick roller.
Go to
roller removal " on
page
Replace the input The problem is solved.
option. Go to
"250/550-sheet media
tray and drawer
assembly removal" on
page 397.
If the error persists,
then go to step 4.
4063
"Media tray
398.
"Drawer pick
399.