Not at all. The 0xF1 error is exactly what the adjustment program is designed to fix. Run the resetter, replace the maintenance box, and you will be back to printing.
For most users, the is the safest and most reliable third-party option for the L6190. However, tech-savvy users often prefer the standalone Epson Adjustment Program (v1.2.0 or newer) which supports the L6190 series. Epson L6190 Resetter Adjustment Program
Epson L6190 Resetter Adjustment Program is a utility designed to clear the "Service Required" or "Ink Pad Needs Service" (Error E-11) messages that occur when the internal print counter reaches its limit. While effective for extending printer life, it is primarily a third-party software solution and carries specific operational risks. Core Functionality Not at all
Yes. If the printer is under 1 year old, take it to Epson. Opening the Adjustment Program voids the warranty immediately. For most users, the is the safest and