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 DELL 5230N, Laser, 1200 x 1200 DPI, A4, 45 ppm, Network ready, Black DELL 5230N. Print technology: Laser. Number of print cartridges: 1, Maximum duty cycle: 200000 pages per month. Maximum resolution: 1200 x 1200 DPI. Maximum ISO A-series paper size: A4. Print speed (black, normal quality, A4/US Letter): 45 ppm. Display: LCD. Network ready. Product colour: Black https://www.alphr.com/dell/31558/dell-5230dn-review Dell's 5230dn mono A4 laser is the very definition of the office workhorse. From its 43ppm print speed to its integrated duplexer, it's designed to churn through pages. It certainly has the capacity: the basic 250-sheet input tray can be augmented with t... Good print speeds and quality, plus low running costs make this a top choice for busy workgroups... http://www.digitalversus.com/printer/dell-5230n-p11596/test.html The Dell 5230n's responsiveness is one of its weak points. In spite of its record print speeds, this printer takes a long time to warm up. This is particularly true when you first turn it on - you have to wait over a minute to see your first page, whic... Cost per page: 0.9 pence with the high capacity "use and return" option, Very rapid: 43 ppm, Modular paper capacity, Green mode: power consumption/paper set by default, Windows, Mac and Linux compatible No WiFi, colour, scanner or copier, No double sided, Slow on startup from off position, High standby energy consumption: 11 W, Austere While the quality of this printer leaves nothing to be desired, it's above all a very rapid worker, with a truly low cost per page. It is however restricted in terms of connectivity and standby power consumption is high. ... http://www.digitalversus.com/printer/dell-5230dn-p11621/test.html A black & white laser printer, the Dell 5230n is very much a pro machine. Designed to print large volumes (200,000 pages per month), the accent here is on productivity for large work groups with very rapid print speeds and low cost per page. It also pr... Cost per page: 0.9 pence with the high capacity "use and return" option, Very rapid: 43 ppm, Doublesided / Modular paper capacity, Green mode: power consumption/paper set by default, Windows, Mac and Linux compatible No WiFi, colour, scanner nor copier, Slow on startup from off position, High standby energy consumption: 11 W, Austere While the quality of this printer leaves nothing to be desired, it's above all a very rapid worker, with a truly low cost per page. It is however restricted in terms of connectivity and standby power consumption is high. ...