Lexmark MS711 - 250;550-Sheet Media Feeder Failure Service Check

Action Yes No
Step 5
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?
Go to step 6. The problem is solved.
Step 6
Check the interface cable of the printer or upper level option for damage.
Is the above component still ok?
Go to step 7. Replace the interface
cable of the printer or
upper level option.
Step 7
Check the connectors on the controller board. If damaged, then replace
the controller board. See “Drawer controller PCBA removal” on
page 519.
Reseat all connectors on the controller board, then POR the machine.
Does the error remain?
Replace the controller
board. See “Drawer
controller PCBA
removal” on page
519.
If the error remains,
then go to step 8.
The problem is solved.
Step 8
If the 250/550-sheet tray option is the only input option installed, then
replace the 250/550-sheet tray option. See “250/550-sheet media tray
and drawer assembly removal” on page 514.
If there are multiple input options, then remove the suspected input
option and install it as Tray 2. Run a print test, navigate to:
Reports > Device Statistics
Does the error remain?
Replace the input tray
option. See “250/550-
sheet media tray and
drawer assembly
removal” on page
514.
The problem is solved.
250/550-sheet media feeder failure service check
Action Yes No
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?
Go to step 2. Replace the media tray.
Go to “Media tray
assembly removal” on
page 515.
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Diagnostic information
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