WelcomeWelcome! 9BJ Cartridges and ink tanksThe printing unit consists of two BJ Cartridges mounted on the cartridgeholder inside the printer. Each BJ Cartridge holds ink tanks which are easilyand quickly replaced when they run out of ink.The BJ Cartridges and ink tanks described below were designed foruse on the BJC-8500. Never attempt to use any other type of BJCartridge or ink tank with this printer.The Black BJ Cartridge BC-80 is mounted on the left and the Color BJCartridge BC-81 is mounted on the right. Colour is reproduced with theCMYK method (cyan, magenta, yellow, black).n Black BJ Cartridge BC-80Contains slots for two ink tanks and is mounted on the left side of thecartridge holder.Ink Optimizer Tank BCI-8WFContains a special liquid called an ink optimizer, a new additive to regularblack and color inks which makes the printed image extremely smear-resistant and water-resistant. The ink optimizer is used only when print-ing on plain paper and is not used for printing on special media or forprinting in the draft mode.Ink Tank BCI-8BK. Contains black ink.n Color BJ Cartridge BC-81Contains slots for three ink tanks and is mounted on the right side of thecartridge holder.Ink Tank BCI-8Y. Contains Yellow ink.Ink Tank BCI-8C. Contains Cyan ink.Ink Tank BCI-8M. Contains Magenta ink.Ink TankBCI-8BKInk Optimizer TankBCI-8WFInk TankBCI-8YInk TankBCI-8CInk TankBCI-8MBlack BJ Cartridge BC-80 Color BJ Cartridge BC-81