Yes, the L4260 and L4265 are essentially the same internal mechanism (regional variants). The same adjustment program works, but double-check your model number.
Interestingly, a segment of the "Adjustment Program" economy has gentrified. epson adjustment program l4260
No. The Epson Adjustment Program is Windows-only. You can run it via Parallels or VirtualBox with a Windows guest OS, but USB passthrough can be flaky. Yes, the L4260 and L4265 are essentially the