Dell 3110cn Service Manual page 210

Version 1 2006.02.25
A
Checking the connector of
MAIN SWITCH connecting
Disconnect the power code
and wait for one minute.
Reseat the connector of
MAIN SWITCH.
Yes
Does the printer is
working?
END
Chapter 1 Troubleshooting
No
Replace the LVPS.
(Removal 33/
Replacement 13)