Brother error code Authentication Error 02

Before you try the solution

1. 1. Copy the complete message exactly as shown, including any letters, spaces, or punctuation around Authentication Error 02.
2. 2. Find the printer's exact model number. The same-looking code can mean something different on another model family.
3. 3. Let the current print, scan, or update operation stop before touching controls, paper paths, or covers.

Manufacturer-documented solution

If the error is still there

1. 1Return to the screen or job that produced the message and check whether the code has cleared.
2. 2If Authentication Error 02 returns, do not repeat a risky procedure. Record when it appears and check the documentation for the exact model.
3. 3If the documented action does not clear Authentication Error 02, contact Brother support or a qualified printer technician with the model number and complete message.

Other Brother error codes

• Authentication Error 01The four-digit PIN entered for a Web Connect service account doesn't match the registered account PIN. Re-enter the correct PIN.
• 2-sided DisabledThe back cover is not fully closed, or the 2-sided (duplex) tray is not installed correctly, so duplex printing is disabled. Close the back cover completely and reseat the duplex tray.
• B&W Print OnlyOne or more colour ink cartridges have reached end of life. The machine still prints in black and white for roughly four weeks before stopping.
• Cannot DetectAppears when a new ink cartridge was installed too quickly, a non-Brother cartridge was used, or the cartridge isn't seated correctly. Remove and reinstall the cartridge slowly until it clicks into place, using genuine Brother ink.
• Cannot Detect Ink VolumeThe machine cannot measure the remaining ink. Brother attributes this to non-genuine ink not being detected. Also displayed as "Cannot Detect Ink".
• Cannot Print XXA mechanical problem, often a foreign object inside the machine. Brother's remedy is to open the machine and remove any foreign object before escalating.