Nosware+epson+l4150+resetter+upd May 2026
"Service Required"
For those dealing with the error on an Epson L4150 printer, the issue is typically a full waste ink pad counter. You can resolve this by using the Epson L4150 Adjustment Program (often referred to as a "resetter") found on platforms like Nosware . Essential Preparation
Absolutely — with caveats.
Step 1: Prepare the Printer
| Error Message | Cause | Solution | |---------------|-------|----------| | “Communication error” | Printer not in maintenance mode | Repeat step 2 exactly. Try different USB port. | | “Counter value cannot be read” | Firmware too new (version after 2022) | Downgrade firmware using Epson Firmware Downgrader tool first. | | “Reset failed – timeout” | Antivirus blocking the driver | Disable real-time protection and run as admin. | | “Model not supported” | Wrong UPD version | Ensure you have the “L4150” specific version, not generic L-series. | | Printer still shows error | Waste ink pad full physically | Open and clean the pad (see tutorial videos). | nosware+epson+l4150+resetter+upd