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How do one enter to Service Mode of Canon IR2800 Copier -- with error code E000002-0000?

Would like to enter into "Service Menu" / "Repair mode" of Canon Image Runner 2800 / IR 2800, in order to clear error code E000002-0000 (and do some other settings). Our supplier deliberately did not provide repair manual. How do


CREO QUE ES PROBLEMA PORQUE SE ATASCO EL PAPEL

Canon 40d Error code err01

My lens broken (canon 17-85 mm Is USM) body is working with another lenses, the problem occurs at 17 - 35 mm range , i think its about lens chip ...