Product Compatibility: Perfectly designed compatible LaserJet models M209dw, MFP M234dw, M234sdn, and M234sdw. This reset chip ensures your printer recognizes refilled cartridges, extending the life of your toner cartridges and maintaining print quality Efficient Percompatiblemance: The W1340A toner chip provides reliable percompatiblemance after each reset, ensuring your printer delivers consistent, prints without any compromise Easy Installation: Simple to install with no technical expertise required. This chip can be fitted in minutes, immediately resetting your printer's toner levels and allowing uninterrupted printing Economical Solution: A cost-effective alternative to buying cartridges, this chip helps reduce your printing costs by allowing you to reuse existing cartridges. Ideal compatible home offices and small businesses looking to cut expenses without sacrificing print quality. Due to different batches, there may be differences in product appearance and printed text, which not affect use Color: As Shown Material: PCB Package Contents: 1 x Toner Chip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.