About this tag
The display hack tag on WindowsForum.com covers a specific technique for sending custom text to the LCD status display of HP and compatible laser printers. This hack uses HP Job Control Language over TCP port 9100 to update the printer's display with dynamic information, such as stock prices. The approach dates back to at least 1997 and has been implemented in various forms. Discussions include the technical details of opening a TCP connection to the printer and formatting the message for the display. This tag is relevant for users interested in printer customization, legacy printer hacks, or network printer scripting.
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Windows 7 The HP Printer Display Hack (with financial goodness)
The HP Printer Display Hack is a simple background application that periodically checks the current price of a selected stock and sends it to the display of HP (and compatible) laser printers. IntroductionThis app is based on an old hack from back to at least 1997 that uses the HP Job control...- News
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