Action Yes No
Step 17
Replace the motor. See
“Motor (MPF) removal” on page 413.
Does the problem remain?
Go to step 18. The problem is
solved.
Step 18
a Remove the left cover from the optional tray whose motor will
be tested. See
“250‑ and 550-sheet tray left cover removal”
on page 496.
b Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Motor tests
c Select the motor (Pick (tray x)), and then touch Start.
Note: For tray x, choose the tray number of the aected
source tray.
Does the motor run?
Go to step 21. Go to step 19.
Step 19
Reseat the cable on the motor and on the optional tray controller
board.
Does the problem remain?
Go to step 20. The problem is
solved.
Step 20
Replace the source tray paper feeder. See
“250‑ and 550-sheet
tray paper feeder removal” on page 504.
Does the problem remain?
Go to step 21. The problem is
solved.
Step 21
Make sure that the source tray controller board is properly
installed. Reseat all the cables on the controller board.
Does the problem remain?
Go to step 22. The problem is
solved.
Step 22
Check the source tray controller board and its connector pins for
damage.
Are the tray controller board and its connectors free of damage?
Contact the next
level of support.
Go to step 23.
Step 23
Replace the controller board. See
“250‑ and 550-sheet tray
controller board removal” on page 506.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4064
Diagnostics and troubleshooting
128
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