Action Yes No
Step 10
Replace the tray insert.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
a Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b Find the sensor (Pass-through (tray 2)).
Does the sensor status change while toggling the sensor?
Go to step 15. Go to step 12.
Step 12
a Remove the optional tray left cover. See “250‑ and 550-sheet
tray left cover removal” on page 496.
b Check the sensor cable on the optional tray controller board
for proper connection.
Is the cable properly connected?
Go to step 14. Go to step 13.
Step 13
Reseat the cable.
Does the problem remain?
Go to step 14. The problem is
solved.
Step 14
Replace the sensor. See
“Sensor (tray 1 pass‑through) removal”
on page 468.
Does the problem remain?
Go to step 15. The problem is
solved.
Step 15
a Enter the Diagnostics menu, and then navigate to:
Additional input tray diagnostics > Sensor tests
b Find the sensor (Pick (tray x)).
Note: For tray x, choose the tray number of the aected
source tray.
Does the sensor status change while toggling the sensor?
Go to step 19. Go to step 16.
Step 16
a Remove the optional tray left cover. See “250‑ and 550-sheet
tray left cover removal” on page 496.
b Check the sensor cable on the optional tray controller board
for proper connection.
Is the cable properly connected?
Go to step 18. Go to step 17.
4064
Diagnostics and troubleshooting
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