Epson releases different versions of the adjustment program for different printer models and firmware versions. Downloading the wrong version (e.g., for an ET-2650 or ET-2700) can make your printer unresponsive.
Here is a typical scenario we see on tech support forums: epson et2600 adjustment program free download link
If a free tool bricks your printer, you have zero recourse. You cannot call Epson. The shady forum member who posted the link will not refund you. Epson releases different versions of the adjustment program
The adjustment program is powerful. One wrong click (e.g., "Initial Fill" instead of "Waste Pad Reset") can permanently damage your printer's mainboard. Unlike a firmware update, there is no safety net. If you corrupt the EEPROM, your ET-2600 becomes a paperweight. your ET-2600 becomes a paperweight.