Load tray 1 with A4 plain paper service check
Action Yes No
Step 1
a Make sure that the tray insert is properly inserted.
b Make sure that the paper is properly loaded in the tray.
c Make sure that the paper type and size settings match the
paper type and size set on the tray.
d Make sure that the lift plate is properly working.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Reseat the sensor cable.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Sensor tests
c Find the sensor (paper present).
Does the sensor status change while toggling the sensor?
Go to step 5. Go to step 3.
Step 3
a Check the sensor for proper installation and damage.
b Check the alignment of the sensor with the sensor flag.
c Check the sensor cable for proper connection and damage.
Is the sensor properly installed and free of damage?
Go to step 5. Go to step 4.
Step 4
Replace the sensor. See
“Sensor (paper present) removal” on
page 252.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustment > Sensor tests
b Find the following sensors:
• Sensor (media present in tray1 S1)
• Sensor (input sensor S3)
• Sensor (fuser exit sensor S4)
Does the sensor status change while toggling the sensor?
Go to step 8. Go to step 6.
3400-48x
Diagnostics and troubleshooting
179
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