• The electrical contacts of the BJ Cartridgebecome extremely hot during normaloperation. To avoid minor burns, nevertouch the electrical contacts after removingthe BJ Cartridge from the printer.• To avoid minor injury from moving partsinside the printer, never open the cover andinsert your fingers into the printer while theprinter is printing.• To avoid damage to the printer from objectsfalling into it, resulting in a fire or electricalshock, never place any object like a stapler,liquid container, etc. on top of the printer.• If any object falls into the printer anddamages it while it is printing, press thePOWER button to switch it off and unplugthe power cord from the power outlet. Toavoid a fire or electrical shock, discontinueusing the printer and call for service.Universal AC Adapter• When you pack the Universal AC Adapterfor travel or storage, never wrap the cordaround the body of the AC adapter toprevent the cord from splitting orseparating from the body of the AC adapterand causing a short circuit.Battery• Use only the Canon Li-ion Battery LB-50provided with this printer. Using any otherbattery could cause the printer to overheatand cause smoke.16 Chapter 1 Introduction