Researchers claim that HP laser printers can be hijacked to steal data and catch fire

hp-laserprinter-security-holes

The news was abuzz yesterday with coverage of a study released by Columbia University researchers warning consumers that HP laser printers are wide open to remote tampering and hacking. The researchers claim that the vast majority of printers from HP’s LaserJet line accept firmware updates without checking for any sort of digital authentication, allowing malicious users to abuse the machines … Read the rest

Standalone printer display hack

print_joke

[Sprite_tm] sent us his latest project. He has found a way to display custom messages on a laserjet printer without a computer.   He’s using an ATTiny2313 to send signals through a parallel port. This project is so cheap and quick to install it could be disposable. Just program your message before hand, pop it on and walk away.… Read the rest

HP Color LaserJet 2600n teardown


In the ongoing quest to find parts for new projects by scavenging old devices, the curiously sane and benevolent team at Evil Mad Scientist Laboratories took apart an HP Color LaserJet 2600n. They wanted to see what makes it tick and what parts can be culled from it for later use.… Read the rest