Diagnostics and troubleshooting
 
232
 
Step 3
 
a
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Sensor tests
 
b
 
Find the sensor (Pick roller index (tray [x])).
 
 
Does the sensor status change while toggling the sensor?
 
Step 4
 
Check the cable that connects the sensor (tray [x] pick roller index) 
to the controller board.
 
 
Are both ends of the cable properly seated?
 
Step 5
 
Reseat the cable.
 
 
Does the problem remain?
 
Step 6
 
Check the sensor cable for damage.
 
 
Is the cable free of damage?
 
Step 7
 
Replace the sensor. See 
“Sensor (550-sheet tray index) removal” 
on page 426
.
 
 
Does the problem remain?
 
Step 8
 
Check the cable that connects the motor (tray [x] pick) to the 
controller board.
 
 
Are both ends of the cable properly seated?
 
Step 9
 
Reseat the cable.
 
 
Does the problem remain?
 
Step 10
 
Check the motor (tray [x] pick) for proper operation and noise.
 
a
 
Remove the tray insert.
 
b
 
Enter the Diagnostics menu, and then navigate to:
 
Additional input tray diagnostics 
> 
Motor tests 
> 
Pick (tray [x])
 
c
 
Select 
Pick (tray [x]) lifting
, and then touch 
Start
.
 
 
Does the motor run or does it sound normal?