Canon BJC 3000 Reference Manual page 72

Using Banner Paper
1
Make sure that the printer is switched on and the paper thickness lever is
set to the Down position. Lower the paper rest.
2
Before you tear off the sheets, make sure that you take one more sheet
than you need for printing. (When you wish to print three sheets), tear off a
length of four sheets, one more than you need for printing.)
You can print on up to six sheets. If you want to print a banner of maximum
Note
length (six sheets), tear off a length of seven sheets, one more than you
need for printing.
Switching the Printer On
Printing on Paper and Other Media 72