For office environments, home offices, and small businesses that require reliable printing with fewer cartridge changes. Made of ABS plastic, a chip resetter compatible with a wide range of printer models, including J5330DW and J6930DW, and supporting cartridge numbers LC3017 and LC3619. Resets the cartridge chip on serial printers, so you can reuse ink cartridges up to 20/60/120 and improve cost efficiency. Ideal for office managers, home businesses, and individuals who print frequently and seek an economical solution to extend the life of their ink cartridges. Use scenarios In a small office with daily reports and frequent printing, reducing downtime from cartridge replacements. In a busy home office that handles invoices, forms, and reminders, optimizing ink usage and lowering running costs. In a shared workspace or small business with multiple printers using LC3017 or LC3619 cartridges, helping extend cartridge life across devices.