Copy the newly generated license files into the main program folder and restart the application. Configuration Launch the Adjustment Program (AdjProg.exe) and manually choose the Model Name (L4150) and the specific where the printer is connected. Counter Reset Particular Adjustment Mode Waste ink pad counter and click OK. Check the boxes for Main pad counter Platen pad counter to verify current levels, then click Initialization to reset them to zero. Finalization Once a prompt confirms the reset, turn off your printer and then turn it back on. Run a nozzle check to ensure the printer is ready for use. Important Safety Note While the software resets the electronic counter, it does
overflows, causing the printer to stop functioning and display a "Service Required" error. Tools like the Nosware Resetter (Epson Adjustment Program)
(Epson L4150) from the model menu dropdown, select your specific USB printer communication port link, and click OK .
: Once the counter hits a pre-set limit, the printer triggers a "Service Required" state, often accompanied by blinking red lights. This is a safety measure to prevent ink from leaking into the printer's electronics. The Function of Nosware and Resetters Nosware Resetter , often shared via platforms like Google Drive , is a version of the Epson Adjustment Program
If you value reliability and speed, the $10 investment in a tool like is often worth skipping the technical hurdles. However, if you prefer the DIY approach, the step-by-step guide above provides the verified methodology to unlock your printer. Remember: once the software lock is broken, turn your antivirus back on, and give your printer a thorough hardware cleaning. Your L4150 is capable of hundreds of thousands of prints, but only if both the software and the hardware are properly maintained. nosware+epson+l4150+resetter+upd
Once you have updated and extracted the resetter, follow this process precisely:
Launch AdjProg.exe inside the main directory. A pop-up dialog box displaying a unique string will appear. Copy this code exactly. Step 2: Generate the Registration License Key
Turn your printer back on. The flashing red lights should now be gone, and the status monitor should report that the printer is ready for use. Technical Options Matrix: Resetter Tools
Before attempting to run the software, complete these steps to prevent tool crashes or communication errors: Copy the newly generated license files into the
: Open the extracted folder and run Adjprog.exe . A window will appear showing your computer's unique Hardware ID . Copy this ID to your clipboard.
Therefore, updating the resetter itself (not the printer’s firmware) becomes necessary. The phrase typically refers to searching for the latest Nosware update file compatible with newer printer firmware versions.
If you have managed to find an archive labeled nosware epson l4150 resetter , here is the standard workflow to execute it safely on Windows 10/11.
Once this counter logs maximum capacity, the printer stops working entirely. You will witness the alternating flashing of red LED lights alongside digital desktop notifications stating: "A printer's ink pad is at the end of its service life" . This is a software lock, meaning that even if you swap out the physical sponge pad, your computer will refuse to print until the digital firmware memory is completely wiped and reset. Key Technical Prerequisites Check the boxes for Main pad counter Platen
" (often referred to as an Adjustment Program or "upd" utility) to clear this error and resume printing. Understanding the "Service Required" Error
Once the counter hits 100%, the printer completely stops working. Your computer will display a "Service Required: A printer's ink pad is at the end of its service life" warning. The power and ink status indicators will flash red alternately.
note that it is effective for tech-savvy users but can be complicated for beginners due to the required license key generation steps. The Reset Process According to guides from and various tutorials, the process typically involves: Preparation:
Turn off Windows Defender Real-time Protection and any third-party antivirus software. Because adjustment utilities read/write deeply to low-level hardware device registries, antivirus heuristics flag them mistakenly as false positives. Step-by-Step Guide: Activating and Running the Resetter
| Feature | Description | |---------|-------------| | | Specifically designed for Epson L4150 (also works with L4160, L3150 in some cases) | | Waste Ink Counter Reset | Resets both main and borderless printing counters | | Initial Fill Reset | Can reset the initial ink charge counter (useful after printhead replacement) | | WIC (Waste Ink Counter) Viewer | Shows exact percentage of waste ink pad usage before reset | | No Dongle Required | Unlike some paid tools, Nosware does not require a physical USB key | | Offline Operation | Works without internet after download | | Firmware Rollback Helper | Includes instructions to downgrade printer firmware if Epson patched the reset method |