This single function printer is ideal for the home office that only needs a proper printer without all the bells and whistles of a multifunction option such as faxing and scanning. The HL-4040cn ships with a 300MHz processor and 64MB of onboard memory, though the memory can be upgraded to a maximum of 576MB if required. It also has a built-in Ethernet port for networking, just in case you need to make expand your operation or make the printer available to other users. If the printer is to be used as a standalone, it can be connected to a computer via its USB port.
The HL-4040CN comes with four cartridges (one black and three colors). Each black cartridge ($60 to replace) will do about 2,500 prints and the colors ($70 each to replace) are good for about 1,500 prints. Brother does offer high-capacity versions of its cartridges; the black cartridge prints about 5,000 pages ($93) and the color cartridge prints about 4,000 pages ($130 each). If the high-capacity cartridges are used, the per-page cost is about 1.9 cents for a black-only page and 11.7 cents for a full-color page; this is inexpensive for black prints and about average for color prints.
- Dimensions: 16.5 x 18.7 x 12.5 inches

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- Connection Type: USB, Ethernet
- Rated speed at Default Resolution (Mono): 15.66
- Rated Speed at Default Resolution (Color): 13.77
- Duty Cycle: 35,000 prints
- Input Capacity (main tray): 250 sheets
- Network-Ready: yes
- Duplexing: no
- Cost Per Page (Mono): 1.9 cents
- Cost Per Page (Color): 11.7 cents
Price range: $149.99 - $464.09