Sensor (tray [x] pass-through): Tray [x] failed to pick service check
 
Diagnostics and troubleshooting
 
155
 
Step 1 
a
 
From the home screen, touch 
Settings 
> 
Device 
> 
Preferences
.
 
b
 
Check if the paper size matches the size set on the tray guides.
 
 
Does the paper size match the size set on the tray?
 
Step 2
 
Change the paper size or adjust the size setting in the tray.
 
 
Does the problem remain?
 
Step 3
 
Check if the paper size matches the size set on the tray guides.
 
 
Does the paper size match the size set on the tray?
 
Step 15
 
Reinstall or replace the sensor. See 
“Sensor (550-sheet tray pass- 
through) removal” on page 419
.
 
 
Does the problem remain?
 
Step 16
 
a
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Motor tests
 
b
 
Find the motor (Pass-through (tray [x])), and then touch 
Start
.
 
 
Does the motor run?
 
Step 17
 
Reseat the motor cable, and then check the motor for misalignment 
and damage.
 
 
Is the motor properly installed and free of damage?
 
Step 18
 
Reinstall or replace the motor. See 
“Motor (550-sheet tray 
pass
‑
through) removal” on page 416
.
 
 
Does the problem remain?
 
Step 19
 
Perform a print test.
 
 
Does the problem remain?
 
Contact the next 
level of support.