If your Epson EP-804A printer has suddenly stopped working and is flashing lights, showing a "service required" message, or indicating that the "waste ink pad is saturated," you are facing a common issue. This is a deliberate software lock initiated by Epson to protect the printer from leaking ink once its internal waste ink tank is full.

You can purchase replacement sponge kits online. This method requires opening the lower plastic chassis of the printer, sliding out the waste ink cartridge tray, swapping the ink-logged sponges with new ones, and sliding the tray back into position.

This means the software cannot find the printer. Ensure the printer is turned on, the USB cable is securely connected, and no other printing software is running in the background.

: Check the boxes again and click Initialization .

Right-click the adjustment utility icon and select .

Once the program finishes, it will ask you to turn off the printer. Turn it off, wait 10 seconds, turn it back on, and the error will be gone. Important Warning: Physical Waste Ink Pads

If you reset the counter and continue printing heavily without addressing the hardware, ink will eventually leak out of the bottom of your printer. To prevent a massive mess, you must do one of the following:

Because the official Epson software is proprietary and meant only for authorized service centers, the versions floating around online are heavily modified. Malicious actors frequently package these "free" files with dangerous payloads, including:

If you use a standard Adjustment Program (AdjProg.exe), follow these general steps:

It is a legitimate, virus-free application that guarantees you won't ruin your computer or brick your printer. Option 2: Sourcing a Verified Adjustment Program