It will blink short blinks orange-green-orange-green a total of 12x
(ie. the orange blinks short blinks 12x). Then there will be a longer
green blink. Then another 12x alternating, and so on.

(I should have also mentioned: The printer is no longer hooked up to a
USB into my computer; I'm trying to get it into service mode and
diagnose it separated from my system.)

Shnaggletooth