Printer Repair Questions? Ask IT Technicians for Answers ASAP
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Error 77 indicates that there is a fuser error. Press "menu/set" then "*2864" all within 2 seconds to enter maintenance mode. Then press "91" and then the display should say "parameter initialize". Press "99" to exit and the machine should be reset. If the code doesn't come back, then it was probably a power fluctuation. If it DOES come back, then the machine needs to be serviced, or replaced. Whichever is more cost-efficient for you.
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