Error code
Brother 3F
BROTHER3F
Printer Error Code· An error or status code shown on a printer's display or its software.
What it means
A cooling fan or temperature error has occurred.
How to fix it
- Turn the printer off and let it cool for at least 15 minutes.
- Ensure the ventilation slots are not blocked.
- Power on again.
- If the error persists the fan may need replacement.
Not affiliated with Brother. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More Brother codes
- 46The ink absorber box is full
- E50A machine error in the maintenance or purge unit
- E51A laser diode error has occurred
- E52A laser engine error has occurred
- Ink Absorber FullThe ink absorber box is nearly full and requires attention
- TS-01The wireless setting is not activated on the printer
- TS-02The wireless access point or router cannot be detected
- TS-03The wireless network name or security setting is incorrect
- TS-04The authentication or encryption method used by the router is not supported
- TS-05The wireless security information (SSID or network key) is incorrect
- TS-07The printer cannot detect a WPS-enabled access point