If you see HP Printer Error Code E3, then check the solutions mentioned in this guide. The issue is usually caused because of the carriage.

I have an old HP Laserjet4 that no longer works but it is such a gret printer that I would hate to throw it away.Does anybody here knows what the following ...

If you encounter SMART Hard Disk Error 301, 302, 309, 30A, 30B, 30C, 3F1, and 3F2 when you boot your HP computer here's what you can do to fix the issue.