Lexmark CS720 Service Manual page 225

Action
Step 2
Check the sensor cable for proper connection.
Is the cable properly connected?
Step 3
Reconnect the cable.
Does the problem remain?
Step 4
Remove the motor cover, and then check the interlock cable relay
for proper connection.
Is the cable properly connected?
Step 5
Reconnect the cable.
Does the problem remain?
Step 6
Check the front door interlock switch actuator for damage.
Is the actuator free of damage?
Step 7
Replace the duplex outer guide. See
removal" on page 289.
Does the problem remain?
Step 8
Check the toner door interlock switch actuator for damage.
Is the actuator free of damage?
Step 9
Replace the toner door. See
Does the problem remain?
Step 10
Replace the motor cover. See
page 273.
Does the problem remain?
"Duplex outer guide
"Toner door removal" on page
"Motor cover removal" on
Diagnostic information
225
Yes
Go to step 4.
Go to step 4.
Go to step 6.
Go to step 6.
Go to step 8.
Go to step 8.
Go to step 10.
Go to step 10.
276.
Go to step 11.
5028
No
Go to step 3.
The problem is
solved.
Go to step 5.
The problem is
solved.
Go to step 7.
The problem is
solved.
Go to step 9.
The problem is
solved.
The problem is
solved.