Sensors (tray [x] trailing edge and pass
‑
through): Paper arrived too early service  check
 
Diagnostics and troubleshooting
 
145
 
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 the paper path for partially fed or jammed paper.
 
 
Is the paper path free of partially fed or  jammed paper?
 
Step 4
 
Remove the partially fed or jammed paper.
 
 
Does the problem remain?
 
Step 8
 
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?
 
Step 9
 
Reseat the sensor cable, and then check the sensor for 
misalignment and damage.
 
 
Is the sensor properly installed and free of damage?
 
Step 10
 
Reinstall or replace the sensor. See 
“Sensor (550-sheet tray pass- 
through) removal” on page 419
.
 
 
Does the problem remain?
 
Step 11 
Perform a print test.
 
 
Does the problem remain?
 
Contact the next 
level of support.