Front Door Not Closed Service Check - Lexmark MX310 Service Manual

Front door not closed service check

Action
Step 1
Open the front access cover, and then check the interlock switch
actuator.
Is the actuator damaged?
Step 2
Replace the front access cover. See
on page 332.
Did this resolve the issue?
Step 3
Check the switch on the front cover for dirt or debris that might
keep the switch trigger from properly moving.
Is there dirt or debris?
Step 4
Remove the debris.
Did this resolve the issue?
Step 5
Check pin 2 on J44 for +3.3 V and pin 3 for GND.
Are the voltages and grounds correct?
Step 6
Replace the interlock switch.
Did this resolve the issue?
Step 7
Replace the controller board. See
page 299.
Did this resolve the issue?
A
"Front access cover removal"
"Controller board removal" on
Diagnostics and troubleshooting
210
Yes No
Go to step 2. Go to step 3.
The problem is Go to step 3.
solved.
Go to step 4. Go to step 5.
The problem is Go to step 5.
solved.
Go to step 6. Go to step 7.
The problem is Go to step 7.
solved.
The problem is Contact the next
solved. level of support.
7015