Brother HL-L2350DW 32 ppm Wireless Duplex Mono Laser Printer with WiFi and USB Connectivity TONER-LOW Error Fix: Toner Low — Toner Supply Running Low

Error code TONER-LOW on the Brother HL-L2350DW 32 ppm Wireless Duplex Mono Laser Printer with WiFi and USB Connectivity means: Toner Low — Toner Supply Running Low. The printer displays "Toner Low" indicating the toner cartridge is nearing the end of its yield. The printer uses a page counter and an internal sensor to estimate remaining toner. You can continue printing when this message appears — actual remaining pages depend on your print coverage. For mono printers, the standard toner (TN-730) yields approximately 1,200 pages and the high-yield toner (TN-760) yields approximately 3,000 pages at 5% coverage. For color printers, each of the four cartridges (C/M/Y/K) depletes independently. Have a replacement toner cartridge on hand but do not install it until print quality actually degrades — the "Toner Low" warning is conservative and significant printing may remain.

The most successful fix is "Replace Toner Cartridge Proactively" (medium difficulty, ~15 minutes). Estimated DIY cost: $40-$60. HomeMD has 2 community-ranked fixes for this error.

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Yes — the top-ranked community fix ("Replace Toner Cartridge Proactively") is rated medium difficulty and takes about 15 minutes. Tools needed: No tools required.

DIY cost: $40-$60. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

The Brother HL-L2350DW 32 ppm Wireless Duplex Mono Laser Printer with WiFi and USB Connectivity has 8 other known error codes, including: DRUM-ERROR (Drum Error — Drum Unit Malfunction), FUSER-ERROR (Fuser Unit Error — Fuser Malfunction), JAM-DUPLEX (Paper Jam in Duplex Unit — Two-Sided Printing Jam), JAM-INSIDE (Paper Jam Inside — Jam Near Drum/Toner Area), JAM-REAR (Paper Jam Rear — Jam at Back of Printer), and 3 more.

Error code TONER-LOW also appears on 2 other Brother models: HL-L3270CDW 25 ppm Wireless Duplex Color Laser Printer with WiFi, Ethernet, and Touchscreen, MFC-L2750DW 36 ppm Wireless Mono Laser All-in-One with NFC, Duplex Scan, and Fax. The fix may vary by model, so check each model's specific page for tailored repair steps.