Canon imageCLASS MF449x - Troubleshooting Common Problems

Clear the paper jams, according to the on-screen
instructions.
Check the following.
•IsthepowerturnedON?
•Isthemachineoutofsleepmode?
If both the display and
are not lit, press the
power switch.
•Isthepowercordconnectedcorrectly?
If the problem persists, see the User's Guide.
If a Problem Has Occurred
33
The Machine Does Not Seem to
Work
Paper Jams Have Occurred
Replacing the Toner Cartridge
Replacethetonercartridge,accordingtotheon-
screen instructions.
Model number of replacement toner
cartridge
•CanonCartridge057
•CanonCartridge057H
QuickOperation
En