e9
Moderate
HP · Printers
Firmware or system startup issue after update or restart.
Quick Answer
Error code E9 on your HP Printers means: Firmware or system startup issue after update or restart.. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Perform hard reset (disconnect power 60 seconds).
2
Reconnect directly to wall outlet.
3
Update/recover firmware from HP support tools.
4
Restore printer defaults from control panel.
5
If persistent, service main board.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Related Error Codes