Canon imageCLASS MF7470 Basic Operation Manual page 327

1
Turn the main power switch off.
Allow at least 10 seconds before
turning the main power switch
back on.
2
If the machine still does not
operate normally, turn the main
power switch off, and then
disconnect the power cord from
the wall outlet. Contact Canon
Authorized Service Facilities or the
Canon Customer Care Center.
When contacting Canon Authorized Service
Facilities or the Canon Customer Care Center,
check the following:
– Model name
– Problems and status of the machine
– Error code on the touch panel display
11‑30