Epson L5190 Adjustment Program Reset Tool __top__

How to Use the Epson L5190 Adjustment Program Reset Tool (Complete Guide)

If you own an Epson EcoTank L5190, you know it’s a workhorse. It prints, scans, and copies with impressive efficiency. However, like all inkjet printers, it has a built-in maintenance counter designed to protect the hardware from ink overflow.

Eventually, you might encounter the dreaded "Service Required" error message or alternating red lights. When this happens, the printer stops working entirely. Before you panic or take it to a service center, there is a DIY solution: the Epson L5190 Adjustment Program.

In this guide, we will walk you through what this tool is, why you need it, and how to use it safely to reset your printer’s waste ink pad counter.

Part 6: Physical Waste Ink Pad Replacement – Should You Do It?

Resetting the counter without physically cleaning or replacing the waste ink pad is temporary and risky. The counter tracks a virtual number, but the real sponge can indeed fill up. If it overflows, ink will leak inside your printer—possibly onto the mainboard, destroying the printer permanently. epson l5190 adjustment program reset tool

Step 5: Reset the Counter

  1. Under the "Maintenance" section, locate and double-click Waste ink pad counter.
  2. You will see a box with checkmarks. Ensure the box for Main pad counter is checked.
  3. Click the Check button. This will query the printer for the current counter levels.
  4. Once the check is complete, click the Initialization button.
  5. A confirmation box will pop up. Click OK.

Part 2: Why Does the Epson L5190 Need a Reset Tool?

Unlike older printers where you could manually replace a waste ink tank, the L5190 is a sealed system. Epson designed it to stop working after a certain number of cleaning cycles—not because the printer is broken, but because the internal sponge is theoretically saturated.

Step 2: Launch the Program

  1. Download the Epson L5190 Adjustment Program.
  2. Unzip the folder. (You may need to temporarily disable your antivirus).
  3. Locate the AdjProg.exe file.
  4. Right-click and select "Run as Administrator". (This is crucial; the program will crash if not run with admin rights).

Where to Find a Legit Tool (Not Malware)

Epson does not publicly release this tool. It’s intended for service centers. However, many third-party sources host it. Be careful – many downloads contain viruses or ask for payment.

Common working version for L5190:
Look for AdjProg_Ver_XXXX.exe (Epson Adjustment Program) with a dedicated L5190 folder inside. File names like L5190_32.exe or L5190_64.exe appear. How to Use the Epson L5190 Adjustment Program

Tips to avoid fakes:

  • Avoid “free download” buttons on ad-heavy sites
  • Check printer forums (e.g., BCH Technologies, ResetEpson, Reddit r/Sublimation)
  • Never run a random EXE without an antivirus scan
  • If a tool asks for online payment to “unlock reset” – it’s likely a scam

Still Stuck?

If the reset tool doesn’t connect or fails:

  1. Remove printer from Windows “Devices and Printers” completely.
  2. Disable antivirus temporarily (false positives are common).
  3. Try a different USB cable or port.
  4. Run the tool in Windows 7 compatibility mode (even on Win 10/11).

Part 2: What Is the Epson L5190 Adjustment Program Reset Tool?

The tool is a proprietary Windows-based software application originally developed by Seiko Epson Corporation for authorized service technicians. It is not meant for public distribution. Part 6: Physical Waste Ink Pad Replacement –

Technical specifications:

  • Name: Epson L5190 Adjustment Program (varies by region: Ver 1.2.0, 2.1.1, etc.)
  • Size: ~2.5 MB to 8 MB (lightweight, modular)
  • Interface: Japanese/English bilingual; reminiscent of late-90s industrial control panels.
  • Connectivity: USB only (Wi-Fi or Ethernet cannot be used for deep diagnostic mode)
  • Key file required: A .exe paired with a dynamically generated AdjProg.dll and CRC-checked initialization file.

What it actually does, line by line:

When you run the tool and connect the L5190 in "Service Mode" (power on while holding Stop + Power + Reset), the software gains access to the printer's service engineer menu. From there, a technician can:

  • Reset the waste ink counter to 0% (the primary use case).
  • Initialize the ink charge flag (to refill a drained printer after a flush).
  • Perform a head ID input (after replacing the printhead with a different calibration value).
  • Run a nozzle check and head cleaning with stronger voltage than the user menu allows.
  • Adjust bidirectional print alignment for color drift.
  • Read and write the printer's Serial Number and MAC address.

For the average L5190 owner, 99% of the tool's use is a single click on the "Initial Setting" tab, checking the "Waste Ink Pad" box, and clicking "Check" → "Initialize."

Error 1: “Communication Error. Check USB connection.”

  • Fix: Use a different USB cable. Avoid USB 3.0 ports (blue); use USB 2.0 (black). Disable any virtual printer ports.