Hp1220c prints some letters double

[Guest]

My hp 1220c printer prints some letters double.Why does this happen and how can i fix it?The print heads alien automatically.

 

[kellyB]

There could be a couple of reasons for this, Turn over the stack of media in the tray. Also try rotating the media 180°, if the situation remains then its probably the defective laser or a poor connection of cables to the engine controller board.

http://Quikshiptoner.com