Canon LBP3900 Printer User Manual


 
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If paper is torn, be sure to find and remove any remaining pieces of paper.
The error message may remain if jammed paper is removed without opening the front
cover. In this case, open and close the front cover once.
Do not touch the high-voltage contact (A) or the electrical contact (B) shown in the figure,
as this may result in damage to the printer.
Do not touch the transfer roller (C), as this may result in deterioration in print quality.
(B)
(A)
(C)