PGI-780 CLI-781 Ink Cartridge Chip for TR8570 TS707 TS6370 TS9170 TS8170 TS8370 Printer The PGI-780 CLI-781 Ink Cartridge Chip is designed for use with TR8570, TS707, TS6370, TS9170, TS8170, and TS8370 printer models.It enables communication between the printer and ink cartridge by storing data such as ink type, remaining ink level, and compatibility information.This allows the printer to recognize the cartridge and maintain consistent performance during printing tasks.An ink cartridge chip acts as an electronic interface that helps the printer monitor ink usage and detect installed cartridges.When the chip becomes damaged or non-functional, the printer may display errors, fail to recognize the cartridge, or provide inaccurate ink level readings.Installing a replacement chip can resolve these issues and restore normal.This chip supports both black (PGI-780) and color (CLI-781) cartridges and is suitable for users who refill cartridges or use third-party ink solutions.It stable communication between the printer and cartridge, reducing error messages and false low-ink alerts.Installation is straightforward.Turn off and unplug the printer, open the cartridge access area, remove the existing cartridge, insert the chip into the designated slot on the cartridge, then reinstall the cartridge.Power on the printer and allow it to initialize.The device should recognize the cartridge and resume normal.Using a replacement chip allows continued use of refilled or reused cartridges, helping reduce material waste and lower printing costs over time.It is a practical option for home users, small offices, students, educators, and photography enthusiasts who rely on consistent printer functionality across supported models.Disclaimer: This is not an part.References to brands or models are used only to illustrate compatibility.