We are sorry to hear that the ink color wasn’t what you expected. We understand how frustrating that can be, especially after using the filter for blue ink. After reviewing the order, we noticed that black ink was selected. We apologize for any confusion this may have caused. In the future, please don’t hesitate to reach out to us before placing your order. We’d be happy to assist with selecting the right color to ensure everything turns out just as you envision. If you’re planning to place a new order, we’re here to help every step of the way.