> > The NAK reply indicates that the ESC m command is not supported, in > which case the command should not have been sent in the first place (and > color correction disabled or emulated by the backend). > > The list of usable commands in determined by the device's command level > (see epson2-ops.c). What command level do you see in the debug output? > It should be somewhere near the top. > I didnt find epson2-ops.c.
In the debug-Output: [epson2] e2_set_cmd_level: D1