Features: Conveniently reset ink tank chip suitable For WorkForce WF-C5310 WF-C5810 WF-C5890 C5390 WF-C5390A WF-C5890A PX-S887 PX-M887F. Effortlessly restores functionality to your ink cartridges, ensuring uninterrupted printing tasks. Suitable for enthusiasts who save on ink cartridge costs. Lightweight and portable, allowing easy use for home or in office environment. User-friendly interfaces enables quick chip resetting without complicated procedures. Construction ensures reliable performances with repeated use over time. Specifications: Component:ABS Size:Approx.70x40mm/2.75x1.57inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1Pc Ink Cartridge Chip Maintenance Box