Reset Epson L3210 Adjustment Program [top]

Open CMD as Administrator and type: bcdedit /set testsigning off → Reboot.

Disclaimer: This guide is for educational purposes. Proceed at your own risk. Reset Epson L3210 Adjustment Program

: Often works for related models like the L1210, L3250, and L5290. Open CMD as Administrator and type: bcdedit /set

. Turn it off, then back on. The red blinking lights should disappear. Important Troubleshooting Communication Error : Often works for related models like the

After resetting, write the date on a sticker and place it on the back of the printer. If you need another reset in less than 6 months, you are printing very heavily—install that external waste tank immediately.

This article will explain what the adjustment program is, why you need it, the risks involved, and a step-by-step guide to using it safely.

: Some antivirus software may flag the adjustment program as a threat; you may need to temporarily disable it or add the folder to your exclusions.