Diagnostics and troubleshooting
 
157
 
Step 13
 
Check the paper path exiting the paper tray.
 
 
Is the paper path free of fragments and contamination?
 
Step 14
 
Clean the paper path.
 
 
Does the problem remain?
 
Step 15
 
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 16
 
Reseat the sensor cable, and then check the sensor for 
misalignment and damage.
 
 
Is the sensor properly installed and free of damage?
 
Step 17
 
Reinstall or replace the sensor. See 
“Sensor (550-sheet tray 
trailing edge) removal” on page 420
.
 
 
Does the problem remain?
 
Step 18
 
a
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Motor tests 
> 
Motor tests
 
> 
Pick (tray [x])
 
b
 
Select a setting, and then touch 
Start
.
 
 
Does the motor run?
 
Step 19
 
Reseat the motor cable, and then check the motor for misalignment 
and damage.
 
 
Is the motor properly installed and free of damage?
 
Step 20
 
Reinstall or replace the motor. See 
“550
‑
sheet tray paper feeder 
removal” on page 418
.
 
 
Does the problem remain?