Canon MF419x User Manual page 765

A document could not be printed due to a defect in its data.
● Check the document data for any defects.
#863
An error occurred when printing from a computer.
● Turn OFF the machine, wait for at least 10 seconds, and turn it back ON. After the restart is complete, try
printing again.
#995
A document waiting to be sent was canceled.
● Send the document again as necessary.
Troubleshooting
756