⚠
warning HP
Error Code Close Top Cover
Top cover of the printer is open.
? What Causes This
Top cover was opened during operation or was not fully closed after maintenance.
✓ How to Fix It
- Close the top cover securely.
- Press the Go button if the error persists.
Source: page 142 of the official manual
From the manual
This error code appears in:
HP Laserjet 1010 Printer