Canon BJC-3000 Series User Manual page 312

4
Slide the cleaning sheet into the auto sheet feeder until it stops.
5
Make sure that the POWER light is green.
Press and hold down the RESUME button until the POWER light flashes
three times, then release it. The paper feed rollers of the printer start
rotating and then stop. Wait for approximately 15 to 30 seconds.
6
The cleaning sheet feeds into the auto sheet feeder, and paper dust will
cling to the cleaning sheet as it rotates.
Note Use the cleaning sheet once only and then discard it.
Cleaning the Paper Feed Rollers
Routine Maintenance 312