Canon LBP7780CX User Manual page 922

<Cause 4> [Check Paper Size] in the [Setup] menu ([User Maintenance] options) is set to [On].
Set [Check Paper Size] to [Off], and then print again.
Solution
"[Setup] Menu ([User Maintenance] Options)"
Check paper type.
<Cause 1> The printer fed paper other than transparencies for data in which transparency was
specified.
Solution Load transparencies and print again.
<Cause 2> The printer fed transparencies for data in which a paper type other than transparency was
specified.
Solution Load paper appropriate for the print data and print again.
Check toner cart. Remove packing materials.
<Cause> The toner cartridge was installed with the sealing tapes still attached.
Remove the sealing tapes and set the toner cartridge in the correct position.
Solution
"Toner Cartridge Replacement"
Close XXXX cover. (XXXX shows the cover name)
<Cause> A cover is open.
Close the cover firmly. If the printer is not online, press [
Solution
Drawer 2 is overloaded. Reduce paper.
<Cause> The amount of the paper loaded in Drawer 2 exceeds the load limitation.
Reduce the amount of the paper in Drawer 2.
Solution
"Paper Loading and Output"
IEEE802.1X error. Set the necessary auth. information.
<Cause> There is information missing from the IEEE802.1X authentication settings.
Check the IEEE802.1X settings, and reconfigure them.
Solution
"Setting IEEE802.1X Authentication"
Image browse data error.
<Cause> Data which this printer cannot process is included in TIFF data.
This printer cannot print the data. Press [
Solution
Image data error.
] ( : Online).
] ( : Online) to cancel the job.