Whenyou powe-up, the whine continues for about 8 -10 seconds and then stops, yellow light goes on and remains.
...if all 3 lights are on...
This is a laser mirror motor problem.
If you are a little bit technician then...
Remove all cables, open front panel, remove the cartridge, remove the 2 screws on top and 3 on back side, remove a white latch from underside left (or right i don't remember ).
With a small screwdriver release 4 tabs that hold back cower and remove it.
Pull a little bit on under front edges for releasing two little tabs and remove the whole cover by lifting it..
Now you can see the laser scanner unit with a yellow label on it.
Remove the screw, release the tabs an remove laser cover after removing one or two little cables over it.
You can see now a rotating square mirror fixed over a little disc, secured with a little plastic black tab.
DO NOT TOUCH THE MIRROR WITH BARE HANDS or you will make it dirty .
Rotate the black tab to release the disc, remove the mirror with a clean cloth, and put a small drop of synthetic oil on its rod... that's all.
Hope you can do it.
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