Canon LBP3900 Printer User Manual


 
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Cause Paper was to be output with the printed side
facing up during automatic 2-sided printing.
Remedy Close the sub-output tray. The printer resumes
printing, and the paper is output to the output tray.
<Warning Message>
Cause There is a possibility that a used toner cartridge
that has reached its lifetime is installed.
Remedy Check if the toner cartridge is proper.
(xxx indicates abbreviations
of paper sizes)
Cause The paper of the size specified in the application
is not loaded in the paper cassette or
multi-purpose tray, or the paper source for the
different paper size is selected.
Remedy Load the paper of the size selected in the
application (or the one specified by scaling
factors).
Message
Cause and Remedy