Action Yes No
Step 3
Make sure that all the trays and tray inserts are properly installed.
Does the problem remain?
Go to step 4. The problem is
solved.
Step 4
Enter the Diagnostics menu, and then navigate to:
Input tray quick print >select source tray > Single
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Remove the duplex/MPF tray. See “Duplex/MPF tray removal”
on page 434.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
c Find the sensor (Tray 1 pass-through).
Does the sensor status change while toggling the sensor?
Go to step 9. Go to step 6.
Step 6
a Remove the right cover. See “Right cover removal” on
page 420.
b Check the sensor cable J73 on the controller board for proper
connection.
Is the cable properly connected?
Go to step 8. Go to step 7.
Step 7
Reseat the cable.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Replace the sensor. See
“Sensor (tray 1 pass‑through) removal”
on page 468.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Check the source tray pick roller for improper installation,
contamination, and damage.
Note: Make sure that the pick roller is fully pressed to its feeder
shaft. A click will be heard indicating a proper engagement
between the latches and the shaft.
Is the pick roller properly installed and free of contamination and
damage?
Go to step 11. Go to step 10.
4064
Diagnostics and troubleshooting
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