Dell 3115cn Service Manual page 256

Checking the laser
beam path.
Yes
Remove the foreign
substance
Version 1 2006.11.21
B
Are there any
foreign substance
No
between the ROS
ASSY and the
drum?
Checking the connection of
the ROS ASSY.
Reseat the connector (P/J
151) of the ROS ASSY.
Yes
Is the image printed
correctly?
END
No
Checking the toner
cartridge installation
Reseat the four toner
cartridges.
Yes
Is the image printed
correctly?
END
END
Chapter 1 Troubleshooting
No
Checking the PWBA MCU
installation
Reseat the PWBA MCU.
(Removal 67/Replacement 55)
Yes
Is the image printed
correctly?
No
C