!
error Brother

Error Code Paper - Red LED

Cover is open or a paper jam has occurred.

? What Causes This

Front or back cover of printer is open, or paper is jammed inside the printer.

How to Fix It

  1. Close all printer covers securely.
  2. If paper jam, open covers and remove any stuck paper. See User's Guide Chapter 6 for detailed troubleshooting.

Source: page 5 of the official manual

From the manual

Manual page 5 — Brother error Paper - Red LED

This error code appears in:

Brother HL-2000 Monochrome Laser Printer