Dell 1710/n Mono Laser Printer - Manual (Page 59)

What this light sequence means:
The current print job is canceled.
The printer is resetting to the user default settings. Any active print jobs
are canceled. A user default setting remains in effect until you change it
or until you restore the factory default settings.
What you can do:
Wait for the message to clear.
What this light sequence means:
The printer has a service error, and printing has stopped.
What you can do:
Turn the printer off and back on. If the lights are still blinking, contact Dell at
support.dell.com.