Product Compatibility: Designed for LaserJet models M209dw, MFP M234dw, M234sdn, and M234sdw. This reset chip helps your printer recognize refilled cartridges, extending the life of your toner cartridges and maintaining print quality Efficient Performance: The W1340A toner chip provides reliable performance after each reset, ensuring consistent, high-quality prints Easy Installation: Simple to install with no technical expertise required. The chip can be fitted in minutes, resetting your printer's toner levels and enabling uninterrupted printing Economical Solution: A cost-effective alternative to buying new cartridges, this chip reduces printing costs by allowing reuse of existing cartridges. Suitable for home offices and small businesses aiming to save without compromising print quality Color: As shown Material: PCB Package Contents: 1 x Toner Chip Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm. Due to different production batches, there may be slight variations in product appearance and labeling, which do not affect functionality