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Epson Adjustment Program (Resetter) for the L4150, L4160, and L4170 series is a specialized utility designed primarily to resolve the "Service Required"
error, which occurs when the printer's waste ink pad counters reach their limit Core Functionality Waste Ink Pad Reset : The primary use is to reset the Main Pad Counter Platen Pad Counter
back to 0%, allowing the printer to resume operation after it has locked itself due to saturation warnings. Maintenance & Diagnostics
: Beyond resetting counters, the official tool can be used for printer initialization, writing the print head ID, and EEPROM data management. Error Indicators Resolved
: Fixes issues where red lights blink alternately, the print head stops moving, or the computer displays messages like "Parts inside your printer are at the end of their service life". Operational Requirements Operating System : Compatible only with
(XP, Vista, 7, 8, 10, and 11). For newer versions of Windows, running in Compatibility Mode may be necessary. Connection : Requires a direct
connection between the printer and the computer; it generally does not work over Wi-Fi. Security Settings : Antivirus software and Windows Defender
must often be disabled temporarily, as they may flag the resetter as a "false positive" due to its unlicensed nature or keygen requirements. Reset Procedure (Step-by-Step)
The Epson Resetter (often called an Adjustment Program) is a piece of software used by technicians—and enterprising users—to access the printer’s "Service Mode."
It is essentially a backdoor key. When you download a resetter for the L4150/L4160/L4170 series, you are looking for a tool that performs a specific function: "Ink Pad Counter Reset."
When you run the program, select your specific model, and hit the "Check" and "Initialization" buttons, you are telling the printer’s internal computer to set that saturation counter back to zero. The printer assumes the pad is brand new, clears the error, and allows you to print again.
Epson inkjet printers utilize a service-required internal counter that tracks the volume of ink flushed into the maintenance box (waste ink pad). Once this counter reaches a predetermined limit, the printer locks operation and displays a "Service Required" error (e.g., "Parts inside your printer are at the end of their service life"). The Adjustment Program (commonly called a resetter) is a proprietary service tool used to reset this counter, initialize specific mechanical adjustments, and restore full printer functionality.
Inkjet printers from Epson’s EcoTank line, including the L4150, L4160, and L4170, are celebrated for their high page yields and low running costs. However, like all inkjet printers, they rely on a maintenance box (also called a waste ink pad or absorbent sponge) to collect excess ink from cleaning cycles and borderless printing. Over time, this pad fills up. When the printer’s internal counter reaches a preset limit, it locks down and displays a “Service Required” or “Ink Pad Counter” error. Resolving this requires a Resetter Adjustment Program—specialized software that resets the counter and allows the printer to function again.
If a user chooses to employ a resetter program, the following protocol is recommended:
