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Join date: Apr 15, 2023


The HP OfficeJet Pro 6978 printer uses a four-color ink cartridge system to produce high-quality prints. The ink cartridges for this printer are available in standard and high-yield sizes, providing users with flexibility and cost-effectiveness. The standard cartridges are suitable for low volume printing, while the high-yield cartridges are designed for high volume printing, providing a lower cost per page. The four ink colors used in this printer are cyan, magenta, yellow, and black. 



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