Wait 10 seconds. The software will write the new value (0%) to the EEPROM. Close the software. Turn the printer off, wait 30 seconds, and turn it back on. The error message should be gone.

, which supports the WF-C5790 for reading waste ink levels and performing resets. It can be downloaded from Inkchip Solution

) is a professional utility used to perform deep-level maintenance and technical adjustments that are not typically available in standard printer drivers. Its most critical feature is the ability to reset the Waste Ink Pad Counter

Official "Adjustment Programs" are proprietary tools typically reserved for authorized service centers. However, several reputable third-party platforms provide versions compatible with the WF-C5790: