Canon Satera LBP-3910 User Manual page 95

Message
<Warning Message>
94
Cause and Remedy
Cause The front cover is open, or the sub-output tray is
open to the position shown in the figure.
Remedy Close the front cover firmly or close the
sub-output tray to the position shown in the figure.
If the printer is not online, press [
Cause Paper is jammed inside the printer.
Remedy Remove the jammed paper and set the paper
cassette and covers to the original position. If the
printer is not online, press [
Cause The toner cartridge is not installed or installed
improperly.
Remedy Install the toner cartridge properly.
Cause A toner cartridge needs to be replaced soon.
Remedy Although you can continue to print for a while,
have ready a new toner cartridge. When you print
a large amount of data, or white patches appear
on the images, replace the toner cartridge with a
new one. If the printer is not online after closing
the front cover, press [
].
].
].