The downloadable file includes a driver installer, which also installs the newest Deskjet printer utility. It is for use with Mac OS X v.10.1.5, v.10.2.x, v.10.3 and OS X v.10.4, although HP recommends that you update to the latest version of Mac OS X. It supports Deskjet printers with USB connectors on the printer, as well as network printing for those models that support Network printing. It is also recommended that you quit open applications before installing this driver.ĭescription: This driver improves printer connection reliability and stability, as well as print speed and print output improvements. System requirements: It is recommended that you delete the existing printer (print queue) from the Print Center prior to installing this driver. The manual for the Deskjet 940c is available as a PDF from HP. Use the HP Deskjet Toolbox to get exactly which cartridge needs to be replaced without needing to be ready to replace both (or to monitor your ink level (approximate ink level)). If HP offers the full-feature software for your OS, then install the software. (If only one has a problem, after you replace it, the carrier will move to the cartridge OK symbol.) Then the cartridge carrier will move to indicate the other cartridge is low. If both cartridges are low, replace the one indicated by the arrow. These five icons are in order from left to right (as you look at the cartridges) : tri-color ink cartridge problem, black ink cartridge problem, tri-color ink low, black ink low and cartridges OK. With the cover open, the cartridge carrier will move until the yellow arrow lines up with an icon on the printer itself. If the error is a low ink issue, the LED will stop blinking. (Note: this LED is the second from the left.) When you see the error code, open the printer's top cover. The LED above the cartridge symbol (the only one without a button) will flash. For the HP 940c, there is only one light to indicate a possible low ink cartridge.

Hp 940c driver windows 7