Product Compatibility: Designed for LaserJet models M209dw, MFP M234dw, M234sdn, and M234sdw. This reset chip enables your printer to recognize refilled cartridges, helping extend the life of your toner cartridges while maintaining print quality Efficient Performance: The W1340A toner chip delivers reliable performance after each reset, ensuring consistent, high-quality print output Easy Installation: Simple to install with no technical expertise required. The chip can be fitted in minutes, resetting the printer's toner levels and allowing uninterrupted printing Economical Solution: A cost-effective alternative to purchasing new cartridges, this chip reduces printing costs by enabling reuse of existing cartridges. Suitable for home offices and small businesses aiming to reduce expenses without compromising print quality Note: Due to different production batches, there may be slight variations in product appearance and printed text, which do not affect functionality Color: As shown Material: PCB Package Contents: 1 x Toner Chip Only the above package content is included; other items are not part of the package Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm