Lexmark MX71x Service Manual page 297

Action
Step 5
Separate the HCIT from the printer. Remove also the remaining input
options. Check the HCIT interface cable. If damaged, then replace the
cable. See "HCIT 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?
Step 6
Remove all other options and install only the HCIT option.
Does the error remain?
Step 7
Check the interface cable of the printer or upper level option for damage.
Is the cable free of damage?
Step 8
Check the connectors on the controller board. If damaged, then replace
the controller board. See "HCIT controller board removal" on page
Reseat all connectors on the controller board, then POR the machine.
Does the error remain?
Step 9
Remove the media tray from the HCIT option and do the following:
•
Check if there is no problem moving the tray input guides.
•
Manually push the media size sensor flags and check if it would spring
back to its original position.
•
Check the sensor (HCIT media guide) for damage. Make sure all
obstructions are removed.
Are the components functional and free of damage?
Step 10
Replace the tray.
Does the error remain?
Step 11
Replace the drawer.
Does the error remain?
Yes
Go to step 6.
681.
Go to step 8.
Go to step 8.
Replace the controller
board. See
controller board
676.
removal" on page
676.
If the error remains,
then go to step 9.
Go to step 10.
Go to step 11.
Contact the next level
of support.
Diagnostic information
297
No
The problem is solved.
Go to step 7.
Replace the interface
cable of the printer or
upper level option.
The problem is solved.
"HCIT
Replace the HCIT
drawer assembly. See
"HCIT drawer
assembly removal" on
page 665.
The problem is solved.
The problem is solved.
7463