warning Brother

Error Code Cover is Open

The machine's cover or access panel is not fully closed, preventing normal operation.

? What Causes This

Cover or access panel was not properly closed during setup or maintenance.

How to Fix It

  1. Follow the messages on the LCD.
  2. Ensure the cover is fully closed and latched.
  3. If the error persists, see the Online User's Guide: Error and Maintenance Messages.

Source: page 15 of the official manual

From the manual

Manual page 15 — Brother error Cover is Open

This error code appears in:

Brother HL-L3290CDW Color Laser Printer