Canon imageClass MF4450 (4509B021) is a monochrome multi-function digital printer. It gives you numerous options when copying, faxing and scanning. Transmit documents seamlessly and quickly with super G3 fax, reaching speeds of approximately 33.6 Kbps. Through the device's automatic document feeder or platen glass, color scan up to an enhanced resolution of 9600 dpi, with the flexibility to save in four different file formats which are JPEG, TIFF, BMP and PDF. The Canon imageClass MF4450 has a print and copy speed of up to 24 pages per minute for letter sized output, and delivers quick first prints or copy pages in approximately 6 seconds. The unit also offers a large paper handling of up to 250 pages in a front loading cassette. Canon imageClass MF4450 uses Canon 128 (3500B001AA) black toner cartridge, with a page yield of 2,100 at 5% coverage. The Canon imageClass MF4450 also incorporates the Canon single cartridge system, which combines the toner and drum in one easy to replace unit, resulting in excellent image quality retention and eliminating the complication and warehousing of separate toner and drum consumables.