Europe 655 655XL CISS system for DeskJet Ink Advantage 3525 4615 4625 5525 6525 printer with ARC chip.This continuous ink supply system is designed to work with the specified printer models and includes an integrated chip that supports ink level monitoring.The system allows for extended printing by providing a larger ink capacity through refillable reservoirs.It connects directly to the printer and is intended for use with compatible ink cartridges.Installation is structured to align with the printer's existing cartridge slots and ink delivery paths.Compatibility Disclaimer: This is not an OEM item.Mentioned brands/models are used strictly for fitment illustration.