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 2 paper trays 2 Laser technology Laser HP LaserJet Pro 400 M451nw, Laser, Colour, 600 x 600 DPI, A4, 20 ppm, Network ready HP LaserJet Pro 400 M451nw. Print technology: Laser, Colour. Number of print cartridges: 4, Maximum duty cycle: 40000 pages per month. Maximum resolution: 600 x 600 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 20 ppm. Display: LCD. Network ready, Wi-Fi. Product colour: Grey https://www.expertreviews.co.uk/printers/1402245/hp-laserjet-pro-m451dn-review HP's print driver is bang on here - lots of simple shortcuts covering the vast majority of needsThis printer's 250-sheet paper cassette glides smoothly out of its base, while above it there's a multipurpose feed rated for 50 sheets or 10 envelopes. Prin... It's a competent colour laser, but due to high print costs, HP's sluggish M451dn doesn't exactly set the heart pounding... The £378 HP LaserJet Pro 400 M451dn colour laser printer produces extremely nice output - including photos - and is very speedy for a model in this price range. It also has an automatic duplexer, a feature missing from the HP LaserJet Pro 400 Color M45... umption Printing: 425 W, Standby: 15.20 W; Duplex Unit; Double Sided Printing (Duplex) Type Automatic (Standard); Media Supported Paper (bond, brochure, coloured, glossy, letterhead, photo, plain, preprinted, prepunched, recycled, rough), postcards, transparencies, labels, envelopes; Paper Trays (Standard/Maximum) 2/3; Paper Handling Manual Feed 50 Sheet Multipurpose Tray; Paper Handling Input 1... If you print in any sort of volume, the ongoing costs for any model in the M451 product line will hurt you eventually - especially if you print lots of colour. Alternatives in this price range include the Dell 2150cdn and Brother HL-4570CDW; the latter's... The £378 HP LaserJet Pro 400 M451dn colour laser printer produces extremely nice output - including photos - and is very speedy for a model in this price range. It also has an automatic duplexer, a feature missing from the HP LaserJet Pro 400 Color M45... If you print in any sort of volume, the ongoing costs for any model in the M451 product line will hurt you eventually - especially if you print lots of colour. Alternatives in this price range include the Dell 2150cdn and Brother HL-4570CDW; the latter... Laser printers have made a lot of progress in terms of responsiveness. This model is no exception and is rapid from sleep mode and off position.The HP LaserJet Pro 400 M451nw is a laser colour printer designed for the enterprise sector. It has been des... Good office doc quality, Ethernet and wifi connectivity, ePrint, Extendable memory and paper capacities, Moderate energy consumption No double sided, High cost per page Here’s a basic laser printer that does the job when it comes to print speeds and quality. We like being able to extend its capacities according to needs but not having duplex always seems a strange choice on a pro printer. ... https://www.techadvisor.co.uk/review/colour-laser-printers/hp-laserjet-pro-400-color-m451nw-review-3340658/ The HP LaserJet Pro 400 Color M451 series includes three workgroup printers. The M451nw comes with both wireless (802.11b/g/n) and wired Fast Ethernet 10/100 capabilities. The model we physically reviewed wasn’t the M451nw, but the more expensive (arou... The HP LaserJet Pro 400 Color M451nw is a well-specified workgroup printer that produces strong and fast output. If your main priority is text, it'll prove a good choice - but if colour printing is more your bag, look to the Epson WorkForce Pro WP-4535...