Epson customer support will not provide assistance or guidance for using this program.

Before starting, ensure your computer is running Windows (the Adjustment Program is natively designed for Windows OS). Connect your Epson PX660 directly to your PC using a standard . Do not attempt this over Wi-Fi, as a stable connection is required to rewrite the printer's EEPROM memory. Step 1: Preparation Turn on your Epson PX660 printer.

: Allows you to program a new ID into the printer after replacing the print head. EEPROM Initialization

What is your printer showing?

Epson printers are engineered with built-in safety features, including internal porous pads designed to absorb excess ink generated during initial setup, printhead cleaning cycles, and borderless printing.

If you own any of the above, the adjustment program for the PX660 will likely work, provided you select the correct model in the software.

PleaseIf you are currently troubleshooting your device, please tell me so I can provide the exact steps to clear it. Share public link

Once you see “Service Required” or error code 0x9A , the printer is bricked until you run this software.

Click the button at the top of the interface. Choose "PX660" from the Model Name dropdown menu. Leave the Port selection on "Auto Selection" or choose the specific USB port matching your printer. Click OK . Step 4: Enter Particular Adjustment Mode

Ensure the boxes next to the counters are still checked, and then click the button.

Prints a test grid to identify clogged printhead nozzles.

Because the official Epson Adjustment Program is intended exclusively for authorized service technicians, versions available to the general public on the internet are often modified or cracked.

Do not use it for routine printing tasks. Resetting counters without proper maintenance (like replacing/cleaning the waste ink pads) can lead to ink overflow and damage.

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