250/550-Sheet Controller Board Failure Service Check - Lexmark MX81 series Service Manual

Action
Step 6
Check the interface cable of the printer or upper level option for damage.
Is the above component in good condition?
Step 7
Check the connectors on the controller board. If damaged, then replace
the controller board. See
page 504.
Reseat all connectors on the controller board, then POR the machine.
Does the error remain?
Step 8
If the 250/550-sheet tray option is the only input option installed, then
replace the 250/550-sheet tray option. See
option removal" on page
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?

250/550-sheet controller board 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 input option from the printer. Check the upper interface
cable. If damaged, then replace the upper interface cable. See
upper interface cable removal" on page
Open the left cover and reseat the connector (J1) on the controller board.
POR the machine.
Does the error remain?
"Drawer controller PCBA removal" on
"250/550-sheet media tray
499.
505.
Diagnostic information
Yes
Go to step 7.
Replace the controller
board. Go to
controller PCBA
removal" on page
504.
If the error remains,
then go to step 8.
Replace the input tray
option. Go to
"250/550-sheet media
tray option removal"
on page 499.
Yes
The problem may not
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.
"Drawer
154
No
Replace the interface
cable of the printer or
upper level option.
The problem is solved.
"Drawer
The problem is solved.
No
Go to step 2.
The problem is solved.
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