Brother error code No Toner
Quick answer
The toner cartridge is not installed correctly in the drum unit. Remove and reinstall the cartridge.
Caution: This step can be done wrong in a way that is costly or hard to undo, including voiding your warranty. Check your model's manual before proceeding.
Before you try the solution
- 1. Copy the complete message exactly as shown, including any letters, spaces, or punctuation around No Toner.
- 2. Find the printer's exact model number. The same-looking code can mean something different on another model family.
- 3. Let the current print, scan, or update operation stop before touching controls, paper paths, or covers.
Manufacturer-documented solution
The toner cartridge is not installed correctly in the drum unit. Remove and reinstall the cartridge.
Model scope: Brother's Error and Maintenance Messages for your exact model
If the error is still there
- 1Return to the screen or job that produced the message and check whether the code has cleared.
- 2If No Toner returns, do not repeat a risky procedure. Record when it appears and check the documentation for the exact model.
- 3Because this message involves opening the printer, service risk, or possible damage, stop and contact Brother support or a qualified printer technician if it persists.
Other Brother error codes
- No Access PointDuring automatic wireless setup, the machine could not detect any access point/router. Move the machine closer to the access point/router and retry; if it persists, reset the machine to factory settings.
- No Drum UnitThe drum unit is not properly installed in the machine. Reinstall the toner cartridge and drum unit assembly together.
- No Paper T1Tray 1 failed to feed paper — the tray may be empty or paper loaded incorrectly. Refill or reload the tray, check the paper guides, and avoid overfilling.
- No Response/BusyThe dialed fax number was busy or the recipient's machine did not respond. The sending unit automatically redials within 5 minutes; if still busy/unanswered it displays this message and prints a report noting the same. Verify the number and phone line, and check that the recipient's machine/line isn't at fault.
- Near EmptyOne or more ink cartridges are running low. Order replacement cartridges for when printing stops.
- 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.
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Manufacturer reference
The meaning and documented action above were taken from the manufacturer source below.
Error and Maintenance Messages (HL-L2325DW, HL-L2350DW, HL-L2370DW, HL-L2370DWXL)Verified against manufacturer documentation, last checked 2026-08-13. PrintDiag has no printers and no technician, so nothing here is claimed as tested on hardware.