Canon BJC 3000 Reference Manual page 226

Check 1
Are you using the paper size specified in the Page Size setting?
If the size of the paper loaded in the printer does not match the Page Size
setting in the printer driver, part of each page may not print.
Open the Printer Properties dialogue box.
Check the Page Size setting. If it does not match the size of the paper you
are using, click the down-arrow and select the correct size from the pull-
down list.
Note Set the same Page Size setting for the application program and the printer
driver.
Open the Printer Properties dialogue box, click the Page Layout tab, and
select the Page Size that matches the Page Size setting in the application
program.
Check 2
Are the computer and printer securely connected?
Check the connection of the printer cable at the computer and printer. A
loose connection can cause losing part of a print job.
Connecting and Switching On the Printer.
Last part of print job not printing
Troubleshooting - Printout is Unsatisfactory 226