InkPro Premium Combo Ink Refill Kit for HP 2122, 2728, 5657 Ink Cartridges 1oz 30ml

**** Customer experiences with this ink refill product showcase a mix of effective results and frustrating challenges. Many users found the process of refilling cartridges relatively straightforward, benefiting from written instructions and YouTube tutorials. Several customers reported that, after trial and error, they were able to successfully refill their cartridges, noting a significant cost savings compared to purchasing new cartridges. This is particularly evident with color refills, where some users highlighted that colors appeared more vibrant than the original ink. However, the product was not universally successful; some customers encountered clogs in their print heads, especially if the cartridges had been sitting unused for long periods. Additionally, there were mixed outcomes regarding black ink; while some managed to achieve satisfactory results, others struggled to get their printers to recognize the refilled black ink. Patience was a recurring theme, as some reviewers emphasized the importance of allowing the ink to settle before running print jobs. Issues with syringe usability and the potential for mess were also mentioned, particularly for first-time users. While some found it to be a neat process, others experienced difficulties that led to frustration and a lack of confidence in the product’s reliability. Overall, while many customers appreciated the economical aspect and effective results for color prints, several expressed caution, particularly those encountering problems with black ink or refusing further attempts after a negative experience. **