The Epson L14150 Adjustment Program is a Windows-based utility that resets internal waste ink pad counters, crucial for bypassing "Service Required" errors that stop printer operation. The software, which requires a USB connection for initialization, also allows for printhead maintenance and hardware calibration, though it is recommended to replace the physical T04D1 maintenance box alongside the software reset. Official adjustment programs for the Epson L14150 can be found at 2manuals.com. How to Reset Epson L14150 & L14158 Printer
To reset your Epson EcoTank L14150 , you typically need to address the "Service Life" error for the maintenance box or waste ink pads. This guide covers how to use the Adjustment Program (Resetter) and physical chip resetter tools. Preparation Disable Antivirus
: Many adjustment programs are flagged as false positives. Temporarily disable Windows Real-time Protection and any third-party antivirus software. Connect via USB
: Do not use Wi-Fi. Connect the printer directly to your computer using a high-quality USB cable. Check Maintenance Box , the error is often related to the T04D1 maintenance box
. If the pads are physically saturated, you must replace the box or the internal pads to prevent ink leakage after resetting. Using the Adjustment Program Extract & Open : Download the Epson L14150 Adjustment Program and extract the folder using WinRAR or similar software. Run as Administrator : Right-click AdjProg.exe epson l14150 resetter adjustment program
and select "Run as Administrator." If prompted for a password, check the password.txt file in the folder. Select Model : Click the button. Choose your Model Name ( ) and the correct USB001 (L14150) Adjustment Mode : Click on Particular Adjustment Mode Counter Reset Find and select Waste Ink Pad Counter (or "Washing Pet Counter"). Check the boxes for Main Pad Counter Platen Pad Counter button to see current usage levels. Initialize Check the boxes again and click Initialize A prompt will appear; click to start the reset.
: When prompted, turn off the printer. Wait 10 seconds, turn it back on, and click in the software. Using a Physical Chip Resetter If the software does not work, you may need a Chip Resetter Tool specifically for the maintenance box. Remove Box
: Unplug the printer and remove the screw on the back cover to pull out the maintenance box. Align Pins
: Align the resetter's pins with the gold contacts on the box's chip. The Epson L14150 Adjustment Program is a Windows-based
: Press and hold the resetter against the chip for 3–5 seconds. The light on the resetter will turn from red to when successful.
: Slide the box back into the printer and replace the cover. Troubleshooting Communication Error
: Ensure the printer is in a "Ready" state and not printing. Try a different USB port or restart both the computer and printer. Hardware ID
: Some "free" versions of the software require a license generated from your computer's Hardware ID using a found in the utility folder. Firmware Updates Part 5: Step-by-Step Guide – Using the Epson
: Avoid updating firmware while trying to reset, as newer firmware may block third-party resetter tools.
The Epson L14150 Adjustment Program resets the "Service Required" error by clearing the internal waste ink pad counters via a USB connection. Users must temporarily disable antivirus software, run AdjProg.exe on Windows, select the L14150 model, and initialize the main/platen pad counters to zero. Watch a video tutorial at YouTube. How to Reset Epson L14150 & L14158 Printer
Because the L14150 is an EcoTank printer, the "resetter" is not a physical tool, but a software program. This review breaks down what it actually is, who needs it, its pros and cons, and the reality of using it in 2024.
Sites like 2manuals.com, ResetEpson.com, or InkService.info sell a pre-configured version for $10–$30. They often provide a remote session (TeamViewer) to run the reset for you.
Over time, gears and rollers wear down. The printer tracks this. If the PF adjustment value drifts too far, you will get vertical banding or paper jams.
The Epson L14150 Resetter Adjustment Program is the only official (and unofficial) way to reset these counters without mailing your printer to a service center.