The latest version of the SSC utility for accessing a number of Epson printer functions is now available..
http://www.ssclg.com/epsone.shtml
This is not a comprehensive or authorised product and does have some pretty big pitfalls if used in haste so I'd recommend you spend some time reading the forums for posts about your particular printer model to see what doesn't work before installing or using (if at all).
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Printers: (Canon) MP500/830, MX700, iP4000/4200/4300/4500/5200, iX4000(A3) (Epson) C84/86, D88, CX6600, R285/800/1900 (HP) K550, K850, K5400, L7680