If you find that when you push the Power button the Green Led after 2-3 seconds switch off and only if you push the Resume button the Orange Led light and the printer is dead then you need to check the lock on the big back plastic door of HP 1220C because if it isn't locked perfect in it's place there is a switch there and the printer is not working ! - So beware that before you go to the power supply and logic boards for fixing !
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