Lexmark CX825 Service Manual page 560

Input option is not detected or recognized service check
Action
Step 1
a
Make sure that the printer supports the input option. See the
Printer, Option, and Stand Compatibility Guide.
b
Check if the option is properly attached to the printer or
adjacent option.
c
Reset the printer.
Does the problem remain?
Step 2
Check if the option interface cable is properly connected to the
option controller board.
Is the cable properly connected?
Step 3
Reseat the connection.
Does the problem remain?
Step 4
Check the interface cable for damage.
Is the cable free of damage?
Step 5
Replace the cable. See
on page 757 or "2200-sheet tray interface cable removal" on
page 769.
Does the problem remain?
Step 6
Reset the printer.
Does the problem remain?
"550-sheet tray interface cable removal"
Diagnostic information
Yes
Go to step 2.
Go to step 4.
Go to step 4.
Go to step 6.
Go to step 6.
Contact the next
level of support.
560
7564
No
The problem is
solved.
Go to step 3.
The problem is
solved.
Go to step 5.
The problem is
solved.
The problem is
solved.