If you own an Epson M100 printer, you may eventually encounter the "Service Required" error message, accompanied by two red blinking lights. This is a common issue caused by the printer's internal waste ink pad counter reaching its limit. To fix this without visiting a service center, many users turn to a software solution known as a "Resetter."
Reputable sources (paid, ~$10-20):
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The Epson M100: A Popular Printer with a High Printing Cost Epson M100 Resetter: The Complete Guide to the