With the 3110cn, toner replacement is easier & more convenient than ever. The Dell Toner Management System monitors your toner levels & automatically notifies you when they are getting low. All you need to do is reorder straight from the software when it reminds you. Also, everything you need is now integrated into the toner cartridge, so all that you need to do is replace & install the cartridges when necessary. Depending on your office needs, the 3110cn is flexible enough to be upgraded in several ways. You can include a duplex printing unit for two-sided printing, a wireless 802.11b/g networking adapter, & an additional 550-sheet paper drawer for a maximum input capacity of 950 sheets of paper. Works Smart. Works Fast. Designed to deliver high-quality colour laser performance & long-term value, the Dell TM 3130cn means that you can create professional-looking documents in-house with control across your network. Key benefits include: Speed: Get professional-quality documents at a rate up to 25 pages per minute (ppm) in colour & 30 ppm black (Actualy speed will vary with use.) Capacity: Prints up to 70, 000 pages per month (maximum duty cycle) Convenience: Continue printing in black when a colour cartridge has run out Fast: Prints up to 25 pages per minute in colour & 30 pages per minute in black & white (Actual speed will vary with use.) Robust: Prints up to 70, 000 pages per month (maximum duty cycle) High Quality: Produces professional-quality documents at up to 600 x 600 dpi (2400 image quality) Convenient: Continue printing in black when a colour cartridge has run out