is a specialized utility used to fix the "Service Required" error, typically caused by a full waste ink pad counter. While many sites claim to offer a "free" version, this program is technically an internal tool for authorized technicians and is not officially provided by Epson Support to end-users.
When looking for a free download, look for files typically named:
| Requirement | Details | |--------------|---------| | | Epson L4150 (Also works on L4160, L3150 with different selection) | | OS Support | Windows 7, 8, 10, 11 (32 & 64-bit). Not native to macOS | | Connection | USB cable only (Wi-Fi resetting is unreliable) | | Driver Status | Official Epson drivers must be installed first | | Firmware | May not work on latest firmware versions (v1.0.5 or higher). Downgrade if needed | Epson Adjustment Program L4150- Free Download
Many users search for a because Epson does not provide this software to end-users. Instead, they require you to ship the printer to an authorized service center—a process that can cost $80–$120 and take weeks.
If the printer just shows “Service required” or “Parts end of life”, you may be able to (T04D1) and then use a free trial of WIC Reset to clear counter. Some third-party boxes include reset instructions. is a specialized utility used to fix the
Before downloading, ensure your system meets these requirements:
You might be wondering: Why does my printer just stop working? Not native to macOS | | Connection |
The Adjustment Program is a service utility that allows users to perform maintenance tasks typically reserved for technicians. Its most popular feature is the ability to reset the waste ink pad counter