Canon BJC-8500 - Manual (Page 35)

Pull the orange protective cap away from the BJ Cartridge to remove it.
Discard the orange protective cap immediately. Never attempt to reat-
tach it to the BJ Cartridge.
Always hold the BJ Cartridge by its sides.
Never touch the print heads. The BJ Cartridge will not print cor-
rectly if the print heads are damaged or contaminated by dust or
dirt.
Never touch the contacts. An accidental discharge of static
electricity may affect the performance of the BJ Cartridge.
30 Canon BJC-8500 User’s Manual
Print heads
Contacts