Turn the printer while holding those buttons until it beeps.
Several printer technician communities and forums host the Adjustment Program for various Epson models. For the PLQ-20 specifically, resources such as specialized printer repair websites and CSDN provide download options. One verified source is a CSDN resource that offers the "PLQ-20维修程序.rar" (PLQ-20 Repair Program), which includes the necessary files for adjustments, paper feed calibration, and sensor resets. Always ensure you are downloading from a reputable source to avoid malicious files. epson plq20 adjustment program reset utility free best
Click the button to wipe the counter log. A pop-up window will appear asking for confirmation; click OK . Step 4: Completing the Process Turn the printer while holding those buttons until it beeps