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dispatcher timer
About this tag
The dispatcher timer tag on WindowsForum.com covers a thread about an HP printer display hack that uses a background application to periodically check stock prices and send them to the printer's LCD display. The application relies on a timer-based dispatcher to schedule updates, connecting to the printer over TCP port 9100 using HP Job Control Language. This tag is relevant for users interested in printer hacking, automation, and timer-driven tasks on Windows systems.
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...