Diagnostics and troubleshooting
 
152
 
Step 4
 
Replace the paper or change the paper size setting in the tray.
 
 
Does the problem remain?
 
Step 5
 
Check the paper tray for overfilling.
 
 
Is the paper tray overfilled?
 
Step 6
 
Remove the excess paper from the tray.
 
 
Does the problem remain?
 
Step 7
 
Check the paper condition in the tray.
 
 
Is the paper crumpled or damaged?
 
Step 8
 
Replace the crumpled or damaged paper.
 
 
Does the problem remain?
 
Step 9
 
a
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Sensor tests
 
b
 
Find the sensor (Trailing edge (tray  [x])).
 
 
Does the sensor status change while toggling the sensor?
 
Step 10
 
Reseat the sensor cable, and then check the sensor for 
misalignment and damage.
 
 
Is the sensor properly installed and free of damage?
 
Step 11 
Reinstall or replace the sensor. See 
“Sensor (550-sheet tray 
trailing edge) removal” on page 420
.
 
 
Does the problem remain?
 
Step 12
 
a
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Sensor tests
 
b
 
Find the sensor (Pass-through (tray [x])). 
 
Does the sensor status change while toggling the sensor?