Canon PC140 (8461A020) is a monochrome personal copier. It features a copy speed of up to 4 copies per minute with no warm up time, so users do not have to wait. It can make copies of different sizes up to letter size. Canon PC140 has a paper capacity of 50 sheet stack paper tray, which allows useres to make up to 9 multiple copies or on full feed mode, users can make up to 50 sheets. The Canon PC140 features an energy saving function which makes the copier shut off automatically to save energy if it is not in use for approximately five and a half minutes. Canon PC140 also features Canon's single cartridge system, you are assured of virtually maintenance-free performance, making it very cost effective with just one easy to replace cartridge. Canon PC140 uses a standard yield and a high yield black toner cartridge. The page yield for the standard yield and high yield toner is up to 2,000 and 4,000 pages at 5% coverage per page. The toner cartridge part numbers are E20 (1492A002AA) for the standard yield toner and E40 (1491A002AA) for the high yield toner.