Canon Color Bubble Jet BJC-2000 Series User Manual page 79

Turn off the Make sure the print head is in the home position.
printer's power.
Remove any paper from the sheet feeder.
Detach the interface cable.
Unplug the printer and detach the power cord.
Remove the trays. Remove the paper support and paper output tray.
4-20 Maintaining the Printer Chapter 4