Question about Canon imageCLASS MF5550 All-In-One Laser Printer
The unit turns on, but the key pad never lights up and the keys do not work. It almost looks like there is no power getting to the keypad area.
Anyone knows how I can open this up and check?
These printer copiers have covers that are difficult to remove
you must look at the seams where the covers meet ,look for arrows and insert a small flatblade into the opening and gently pry the cover apart.most keypads are connected using a flat ribbon cable ,pull the cable out and pay attention to the orientation of the cable,one side will have small silver contacts they must be reinstalled the exact way they were removed.clean the silver contacts with a pencil eraser and reinstall the cable.
If it still doesnt work,the power supply may be defective. if so call a tech.
Posted on Jan 23, 2008
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