: Enables manual entry of the printhead's unique identification number after a replacement to ensure correct voltage and ink spray. Mechanical & Calibration Adjustments
Open the program and select "L6490" from the model dropdown menu. Click "OK."
A: You have a physical leak or the pad is still full. The sensor is detecting actual moisture. Dry the pads with a hairdryer (low heat) before resetting again.
: Technical users can read or write EEPROM data to troubleshoot deep-seated firmware or configuration errors. Managing the L6490 Maintenance Box
: Performs deep cleaning cycles (weak, middle, or strong) to fix blurry or missing lines.



