Lexmark CX725 Service Manual page 196

Sensor (weather station) service check
Action
Step 1
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 2
Replace the sensor. See
page 365.
Does the problem remain?
Invalid input option type or ID is detected service check
Action
Step 1
a
Make sure that the latest firmware is installed.
b
Make sure that the options configuration is supported. See the
Printer, Option, and Stand Compatibility Guide.
c
Reset the printer.
Does the problem remain?
Step 2
Reseat the interface cable, and then check the cable for damage.
Is the cable free of damage?
Step 3
Replace the cable. See
on page 452.
Does the problem remain?
Step 4
Check the printer interface cable and adjacent options for damage.
Are the cable and options free of damage?
Step 5
Replace the cable and options.
Does the problem remain?
"Sensor (weather station) removal " on
"550-sheet tray interface cable removal"
Diagnostic information
Yes
Go to step 2.
Contact the next
level of support.
Yes
Go to step 2.
Go to step 4.
Go to step 4.
Go to step 6.
Go to step 6.
196
7528
No
The problem is
solved.
The problem is
solved.
No
The problem is
solved.
Go to step 3.
The problem is
solved.
Go to step 5.
The problem is
solved.