- Compatibility: Toshiba E-STUDIO series printers including 2020C, 2040C, 2330C, 2540C, 2820C, 2830C, 3040C, 3520C, 3530C, 3540C, 4520C, 4540C. - What it does: Waste Toner Box Assembly quickly and effectively assists printers and copiers to collect waste toner during operation. - Quality you can trust: Made from environmentally friendly plastic with high-precision parts for durability and stability. Each unit is tested on the machine before leaving the factory to ensure performance. - Easy installation: Same size and function as the original. No need for complicated debugging or disassembly—simply replace it and resume printing. Turn off the power before installation to protect the printer. - Why choose it: Keeps waste toner contained, reduces downtime, and maintains cleaner interior components for reliable performance. - Practical use scenarios: - Regular maintenance on Toshiba E-STUDIO printers in busy offices. - Replacement after toner cartridge service or routine consumables maintenance. - Upgrading a worn or failing waste toner box to restore smooth operation in high-volume printing environments.