In plain English: Your printer has detected a cartridge, but it cannot establish a proper electrical connection with it. The cartridge is physically present, but digitally invisible. This error doesn't appear randomly. One of three sneaky culprits is to blame:
Here is the quirky science part: Your dry office air or that new synthetic carpet created a tiny lightning bolt (static shock) when you touched the cartridge. You didn’t feel it, but the sensitive copper contacts on the cartridge did. It scrambled the signal like a radio jammer. The printer panics and throws the 63.00.3C code. hp 63.00.3c error
It looks like a secret code from a spy movie. It feels like your printer just started speaking in hexadecimal curses. But don't call an exorcist (or the IT guy) just yet. In plain English: Your printer has detected a