The "exclusive" error usually means another process is "holding" the printer. Press Win + R , type services.msc , and hit Enter. Find , right-click it, and select Stop .
Instead of using the "Auto Select" option, which often fails, manually designate the printer's active port. Open the Adjustment Program and click the Change the epson l3060 adjustment program communication error exclusive
: Many adjustment tools are older and struggle with modern OS versions. Right-click Adjprog.exe Properties , select the Compatibility tab, and choose Windows XP (Service Pack 3) . Also, check Run as Administrator Clear the Print Queue The "exclusive" error usually means another process is