ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Canon imageCLASS MF4450, Laser, Mono printing, 1200 x 600 DPI, Mono copying, Mono scanning, A4 Canon imageCLASS MF4450. Print technology: Laser, Printing: Mono printing, Maximum resolution: 1200 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 https://www.pcmag.com/article2/0,2817,2386038,00.asp If you think of the Canon imageClass MF4450 ($249 direct) mono laser MFP as a personal version of the Editors' Choice Canon imageClass MF4570dn ($299 direct, 4 stars), you won't be far off. There are some important differences, most notably the lack of... Fast. Prints, scans, and faxes from PC. Standalone copier and fax. Automatic document feeder. The Canon imageClass MF4450 is a definitively personal printer that delivers fast speed and acceptably high-quality output. The Canon imageClass MF4450 is a definitively personal printer that delivers fast speed and acceptably high-quality output. Buy it now...