Canon imageClass MF4690 (1827B001) is a monochrome multi-function digital printer. It is a one compact, space saving solution, you and anyone in your office can print, scan, copy, and fax documents with impressive speed and quality. It features a print and copy speed of up to 21 pages per minute for letter sized output at up to 1200 x 600 dpi print resolution. The Canon imageClass MF4690 also offers advanced send features so users can scan to email, file, fax or USB memory port in the user�s choice of JPEG, TIFF, PDF or high compression PDF formats. The built-in networking features, along with the device�s duplexing capabilities, make it an ideal small office solution for single or multiple networked users. Canon imageClass MF4690 provides duplex output for letter-sized paper when printing, receiving faxes and copying. The duplexing capability will enable you to significantly reduce paper consumption by printing two-sided documents from a personal computer, or even incoming faxes. The unit will also copy single-sided pages to double-sided output, again reducing unnecessary paper usage. The 35 sheet automatic document feeder easily feeds multiple pages for copying or scanning for easy to use office workflows. Canon imageClass MF4690 features 35 page automatic document feeder which allows one to two sided copying, printing, and faxing and is equipped with a 250 sheet frontloading paper cassette. This model can copy up to 8.5 inches x 14 inches (legal) from the automatic document feeder or letter sized using the platen glass. The Canon imageClass MF4690 model uses Canon�s 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. This model uses Canon 104 (1483B001AA) black toner cartridge, with a page yield of approximately 2,000 and maximum monthly duty cycle of 7,500 pages at 5% coverage.