profiling

hello, does anyone use a colour-managed workflow with an hp designjet 4500 printer using a ps driver? how have you profiled the device - as an RGB or as a CMYK printer? theory says that a ps driver should be able to deal with cmyk directly, but some resources say that a cmyk-to-rgb conversion...

hello, does anyone use a colour-managed workflow with an hp designjet 4500 printer using a ps driver? how have you profiled the device - as an RGB or as a CMYK printer? theory says that a ps driver should be able to deal with cmyk directly, but some resources say that a cmyk-to-rgb conversion...

We are trying to profile a 252, but I'm no able to print out the ECI2002 test without apply the output profile (in native mode). Has anybody how to get a print out avoiding this output profile? Thank you