This page applies to Harlequin v13.1r0 and later; both Harlequin Core and Harlequin MultiRIP.
When a PostScript language file or PDF job uses process separations in /Separation or /DeviceN color spaces, for example:
-
[/Separation /Cyan /DeviceCMYK {0 0 0}] -
[
/Separation /Gray /DeviceGray {}] -
[/DeviceN [/Cyan /Magenta] /DeviceCMYK {0 0}]
The RIP normally attempts to convert these spaces to /DeviceCMYK and color manage them as such. This was described in (v13) Decomposing a DeviceN colorant list.
This behavior can be controlled using the AdobeProcessSeparations user param:
<< /AdobeProcessSeparations true >> setuserparams
which, during interpretation, prevents color management of process colorants in /Separation and /DeviceN spaces.
AdobeProcessSeparations has no effect when color managing a transparency backdrop raster.