Dell 3115cn Service Manual page 325

Try replacing the Yellow,
Magenta, Cyan Toner
Cartridges and the DRIVE
ASSY MAIN one after
another.
Version 1 2006.11.21
Yes
Checking the DRIVE ASSY
MAIN installation
Reseat the DRIVE ASSY
MAIN. (Removal 36/
Replcement 10)
Does the noise
arise from the printer?
Yes
Checked by [Digital
Output]-[DO-f] in [IOT
Diagnosis].
Checking the Deve Motor.
arise from the printer?
Yes
Output]-[DO-f] in [IOT
Checking the Toner
Cartridges installation
Reseat the Yellow,
Magenta and Cyan Toner
Cartridges.
Does the noise
arise from the printer?
Checked by [Digital
Output]-[DO-f] in [IOT
Diagnosis].
No
END
Chapter 1 Troubleshooting
C
Does the noise
No
Checked by [Digital
Diagnosis].
No
END
D