Brother identifies No Toner when the machine cannot detect a correctly installed toner cartridge and drum assembly.
What No Toner means
Brother identifies No Toner when the machine cannot detect a correctly installed toner cartridge and drum assembly.
What you may notice
- The display shows No Toner
- The print job stops
- The status light may change
- The message returns after the cover is closed
Most likely causes
- 01The toner is missing
- 02The cartridge is not locked into the drum
- 03The assembly is not seated
- 04The cartridge is incompatible
- 05Detection parts are damaged
Safe checks, in order
Start with the simplest non-invasive check. Stop as soon as the error clears; repeated resets can hide a condition without correcting it.
Open the front cover
Wait until the printer is idle.
Remove the assembly
Take out the drum and toner together.
Reseat the cartridge
Install the toner into the drum until it clicks.
Reinstall
Seat the complete assembly and close the cover.
Know where to stop
Avoid breathing spilled toner, touching the drum surface, or using a vacuum not rated for fine toner particles.
When to call a technician or support
Contact Brother if the message returns after the approved steps, the printer makes abnormal noise, or a cover, sensor, drum, or fuser component is damaged.
When you call, have the exact product or vehicle model, model year where relevant, the complete code or symbol, and when it appeared.
Where this information came from
We use the manufacturer's current published guidance as the starting point, then organize it into a safer, beginner-friendly sequence.
Brother manual — error and maintenance messages Source last checked August 16, 2026. Manufacturer instructions and model manuals take priority over this independent summary.