Printing machine (1) has color mechanism (3) comprising roller and color feed device supplying print color to color mechanism. Color supply device and tempering /stabilizing device (21) are designed as mutually separate units, and tempering/stabilizing medium-circulation is closed, with color reservoir (11) coupled to tempering/stabilizing medium-circulation so that color reservoir can be decoupled from this, with tempering/stabilizing medium-circulation remaining combined.
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