Diagnostics and troubleshooting
123
Step 3
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments
>
Sensor tests
b
Find the sensor (MPF/pass
‑
through).
Does the sensor status change while toggling the sensor?
Step 4
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 5
Check the sensor for damage and replace if necessary.
Does the problem remain?
Step 6
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments
>
Sensor tests
b
Find the sensor (Pass
‑
through (tray 2)).
Does the sensor status change while toggling the sensor?
Step 7
Check the sensor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?
Step 8
Check the sensor for damage and replace if necessary. See
“Sensor (550-sheet tray pass-through) removal” on page 419
.
Does the problem remain?
Step 9
a
Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments
>
Motor tests
>
Pass-
through (tray 2)
b
Select a setting, and then touch
Start
.
Does the motor run?
Contact the next
level of support.
Step 10
Check the motor cable for proper connection and damage, and
replace if necessary.
Does the problem remain?