The popular myth has been debunked: you can’t blow on cartridges to make them work. Actually, blowing on the cartridge might damage it. Sorry, folks. It’s true.
https://lastchance.cc/blowing-on-cartridges-didnt-help-them-it-hurt-them-5946085%3C/a%3E%3C/p%3E
First they cautioned us against using anything other than a cleaning kit. But like… who actually used a cleaning kit for their cartridges, really?
That first warning didn’t work. So, they followed it up with something more explicit; a straight up don’t blow on it!
Ah, the hours we could have all saved if we bothered to read, eh?