Dell 3110cn Service Manual page 200

Try replacing the Yellow,
Magenta, Cyan, Black
Toner Cartridges and the
DRIVE ASSY MAIN one
after another.
Version 4 2008.01.17
Yes
Checking the DRIVE ASSY
MAIN installation
Reseat the DRIVE ASSY
MAIN. (Removal 36/
Replacement 10)
Does the noise
arise from the printer?
Yes
Checked by [Digital
Output]-[DO-5] in [IOT
Diagnosis].
Checking the Sub Motor.
arise from the printer?
Yes
Output]-[DO-5] in [IOT
Checking the Toner
Cartridges installation
Reseat the all Toner
Cartridges.
Does the noise
arise from the printer?
Checked by [Digital
Output]-[DO-5] in [IOT
Diagnosis].
No
END
Chapter 1 Troubleshooting
B
Does the noise
No
Checked by [Digital
Diagnosis].
No
END
C