Sensor (Narrow Media) And Sensor (Fuser Buckle) Service Check - Lexmark CS720 Service Manual

Action
Step 11
Replace the controller board. See
page 357.
Does the problem remain?

Sensor (narrow media) and sensor (fuser buckle) service check

Actions
Step 1
Check the sensor (narrow media) and sensor (fuser buckle) for
proper connection and damage, and replace if necessary.
Does the problem remain?
Step 2
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
b
Find the sensor (Fuser buckle) and sensor (Narrow media).
Does the sensor status change while toggling the sensor?
Step 3
Check the sensor cables for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 4
Replace the sensors.
Does the problem remain?
Dead machine service check
Action
Step 1
Check the AC line for proper voltage.
Does the AC line have proper voltage?
Step 2
Use an electrical outlet that has proper voltage.
Does the problem remain?
"Controller board removal" on
Diagnostic information
226
Yes No
Contact the next The problem is
level of support. solved.
Yes No
Go to step 2. The problem is
solved.
Go to step 4. Go to step 3.
Go to step 4. The problem is
solved.
Contact the next The problem is
level of support. solved.
Yes No
Go to step 3. Go to step 2.
Go to step 3. The problem is
solved.
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