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To prevent these pads from overflowing and leaking ink onto your desk, Epson programs the printer to stop working after a certain number of print cycles. The internal counter reaches a limit, triggering the error to protect the hardware.

Epson inkjet printers, including the L4150, maintain an internal waste ink pad counter. When this counter reaches a predefined limit, the printer locks operation and displays a "Service Required" or "Parts Life End" error. The official solution requires replacing the waste ink pad and resetting the counter using Epson's service utility. Third-party tools like "Nosware Resetter" attempt to perform the counter reset without hardware replacement. nosware+epson+l4150+resetter+upd

Always ensure you download such tools from reputable sources, as third-party "resetters" can sometimes be flagged by antivirus software or contain unwanted files. How to Reset Epson L4150 To prevent these pads from overflowing and leaking