The Canon Genuine E20 Black Laser Toner Cartridge 1492A002[AA] is an original product designed specifically for Canon printers like the PC-30/40 series. This black toner cartridge is ideal for printing high-quality text documents and images with its laser print technology. With a compact size of 5.5 inches in height and 5 inches in width, this cartridge is easy to handle and store. Compatible with various Canon models such as PC-60, PC-50, and of course, PC-30/40, this genuine Canon product ensures reliable and consistent printing results with every use.