HP Deskjet 6840 Ink Cartridges

An excellent addition to the home office, the HP Deskjet 6840 is a network-ready inkjet printer with impressive speed and quality. Users from any room in the house can connect to this unit via the provided ethernet interface or wirelessly. This feature alone sets the 6840 apart from many printers in its class. There are a number of other characteristics that make this device appealing to home users, though.

As many as 30 black-and-white documents can be printed per minute with the 6840, or about 20 color prints. This speed can only be obtained in Draft mode, though, which will slightly reduce the overall quality of the prints by limiting the amount of HP 6840 ink that is applied per page. Optimal quality can be reached in Best mode, which can render a resolution of 1200x1200 dpi for black-and-white pages and 4800x1200 dpi in color, but will result in slower speeds.

Another aspect of this machine that enhances overall quality is the printer ink system. It is designed to hold two HP 6840 ink cartridges at once, with the standard options being a black supply and combined tricolor supply (cyan, magenta, yellow). However, this printer offers two alternative Deskjet 6840 ink cartridges – the photo color option would replace the black and add light cyan and light magenta colors. The photo gray HP 6840 ink, which is only used for black-and-white photos, can replace the tricolor supply.

The unit has a sleek, silver design, and the paper tray that sticks out of the front can hold up to 150 sheets, though the maximum paper capacity is 400 sheets with additional trays. A number of media types are compatible as well, including labels, envelopes, transparencies, and photo paper. A PictBridge port is provided, which allows users to connect a digital camera directly to the printer. However, the 6840 does not have a preview screen, so images will need to be adjusted and selected from the camera itself.

This inkjet printer has a monthly duty cycle, or print maximum, of 5,000 pages. The Deskjet 6840 ink has a yield of 330 pages and 480 pages for color and black respectively, though high capacity printer ink is available for this machine that nearly doubles those yields. The maximum memory capacity is 32 MB, which is built in.

Overall, this 13-pound color printer is perfect for the home office. It offers many standard features found on a number of other machines in its class, but the built-in wired and wireless networking really boost the HP Deskjet 6840 above much of the competition. It may not work in a high-volume, busy office environment, but it will serve as an excellent personal printer.

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