Action Yes No
Step 8
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 10. Go to step 9.
Step 9
Reseat the cable.
Does the problem remain?
Go to step 10. The problem is
solved.
Step 10
Replace the sensor. See
“Sensor (250‑ and 550-sheet tray
pass‑through) removal” on page 507.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Remove the aected source tray insert, and then check if the
following components are functional and free of damage:
• Paper guides
• Lift plate
Note: Move the components or turn gears to check for proper
mechanisms.
Are the tray insert and its components functional and free of
damage?
Go to step 13. Go to step 12.
Step 12
Replace the tray insert.
Does the problem remain?
Go to step 13. The problem is
solved.
Step 13
Check the separator pad for improper installation, contamination,
wear, and damage.
Is the separator pad properly installed and free of contamination,
wear, and damage?
Go to step 15. Go to step 14.
Step 14
Reinstall, clean, or replace the separator pad. See
“Separator pad
removal” on page 464.
Does the problem remain?
Go to step 15. The problem is
solved.
4064
Diagnostics and troubleshooting
169
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