Canon LBP 3370, User Manual, Page: 303 / 362

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oub
leshooting
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When You Cannot Obtain Appropriate Printout Results
Cause 2 Paper is inappropriate.
Remedy Replace the paper with one that can be used with this printer. (See "Paper
Requirements," on p. 4-2)
Cause 3 The paper is too thin.
Remedy Set [Paper Type] to [Plain Paper L] in the printer driver.
In order to specify the setting for [Paper Type], display the [Paper Source] sheet.
Cause 4 Paper that curls easily is output to the face-down output tray.
Remedy When printing transparencies or envelopes that curl easily, switch an output tray
to the face-up output slot. (See "Output Trays," on p. 4-13)
Nothing is printed on the paper.
Cause 1 The toner cartridge was installed with the sealing tape still attached.
Remedy Take the toner cartridge out of the printer, pull out the sealing tape, and reinstall
the toner cartridge. (See "Replacing the Toner Cartridge," on p. 7-2)
Cause 2 Multiple sheets of paper were fed at a time.
Remedy Align the paper stack in the paper cassette properly and load it again. (See
"Loading Paper in the Paper Cassette," on p. 4-17)
Cause 3 A problem has occurred inside the printer.
Remedy 1 If <Ennn-nnnn> is displayed in the display, turn the power OFF, wait for 10
seconds or longer, and then turn the power ON again. This may clear the
message.
Remedy 2 If the message does not disappear even after applying the Remedy 1, contact
your local Canon dealer for servicing.
White dust is attached to the printed transparencies.
Cause The transparencies were printed just after another type of paper was
printed continuously.
Remedy If you print transparencies after printing paper other than transparency
continuously, chipped paper may attach to the transparencies when they are
output. In this case, wipe and remove the chipped paper with a soft cloth.