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 LaserBase MF3240, Laser, 1200 x 600 DPI, Colour scanning, Mono faxing, A4 Canon LaserBase MF3240. Print technology: Laser, Maximum resolution: 1200 x 600 DPI. Maximum copy resolution: 600 x 600 DPI. Scanning: Colour scanning. Faxing: Mono faxing. Maximum ISO A-series paper size: A4 https://www.pcmag.com/review/185794/canon-imageclass-mf3240 By most measures, the Canon imageClass MF3240 ($200 street) is an impressive laser all-in-one, suitable for a home office or as a personal AIO in any size office. This isnt to say that it doesnt have flaws. In particular, it lacks an automatic docu... Fast print speed. Scans, faxes from PC, works as standalone copier and fax machine. No automatic document feeder. Graphics quality is a touch below par. The Canon imageClass MF3240 delivers fast print speeds plus scanning, faxing and copying, but it lacks an automatic document feeder....