Canon i-SENSYS MF3010 User Manual page 18

To prevent a paper jam, do not turn the power ON/OFF, open/close the operation panel or rear cover, and
load/unload paper in the middle of printing operation.
Be sure to remove the toner cartridges from the machine when moving the machine.
To avoid exposing the toner cartridge to light, place it in the protective bag that comes with the machine or wrap it
in a thick cloth.
Clean the machine regularly. If the machine becomes dusty, it may lead to improper operation.
The repair parts and toner cartridge for use with the machine will be available for at least seven (7) years after this
machine model has been discontinued.
Customer Support
The machine is designed to make sure safe use and be maintenance-free. If a problem occurs during operation, see
"Troubleshooting." When the problem cannot be resolved after referring to the appropriate trouble shooting section, contact
your local authorized Canon dealer or the Canon help line.