Canon i-SENSYS MF4570dn, Laser, Mono printing, 600 x 600 DPI, Mono copying, Mono scanning, A4 Canon i-SENSYS MF4570dn. Print technology: Laser, Printing: Mono printing, Maximum resolution: 600 x 600 DPI. Copying: Mono copying, Maximum copy resolution: 600 x 600 DPI. Scanning: Mono scanning, Optical scanning resolution: 600 x 600 DPI. Faxing: Mono faxing. Maximum ISO A-series paper size: A4 http://www.digitalversus.com/printer/canon-i-sensys-mf4570dn-p10295/test.html This printer is rapid across the board in the three modes, off to on, sleep and when turned on.Canon is promising a compact, high performance and energy efficient model. This 4-in-1 black & white, network-compatible laser has been designed for small wo... Good speeds, Networked, fax and doublesided, Turns on rapidly from sleep mode, Quieter than average, Intuitive and easy to use High cost per page: 2.8 pence, Shades of grey poorly reproduced, Copies are poor quality, Consumables supplied but partially empty The Canon i-sensys MF4570dn is a responsive printer, turns on fast and prints rapidly. Nevertheless quality won't satisfy the most demanding and cost per page is quite high if you do a lot of printing....