Lexmark MB2236 - Page 102

Action Yes No
Step 7
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustment > Sensor tests
b Find the following sensors:
• Sensor (media present in tray1 S1)
• Sensor (input sensor S3)
• Sensor (fuser exit sensor S4)
Does the sensor status change while toggling the sensor?
Go to step 10. Go to step 8.
Step 8
a Check the sensor flags for proper installation and damage.
b Check the sensor flags for proper alignment with the sensors.
c Check the sensor flag springs for proper installation and
damage.
Are the sensor flags properly installed and free of damage?
Go to step 10. Go to step 9.
Step 9
Replace the damaged sensor flag.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Check the rear door for proper installation and damage.
Is the door properly installed and free of damage?
Go to step 12. Go to step 11.
Step 11
Replace the rear door. See
“Rear door removal” on page 243.
Does the problem remain?
Go to step 12. The problem is
solved.
Step 12
a Enter Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b Select Motor (transport drive).
c Open the rear door, and then check if the fuser exit rollers turn.
d Open the fuser access door, and then check if the hot rollers
turn.
Are the rollers properly working?
Go to step 13. Go to step 14.
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Diagnostics and troubleshooting
102