Patent ID: 8366231

Claim:
A carrier for an array comprising a plurality of print heads, the carrier comprising: an elongate bar comprising a number of ink conduits extending through the elongate bar in a longitudinal direction, a print head receiving area to which the plurality of print heads mount, a number of heat transfer fluid conduits extending through the elongate bar in a longitudinal direction, a number of apertures defined in the carrier that fluidly couple each print head mounted in the print head receiving area with the ink conduits, in which the heat transfer fluid conduits are disposed adjacent both the ink conduits and the print head receiving area, and in which the number of heat transfer fluid conduits comprise a first heat transfer fluid conduit and a second heat transfer fluid conduit, the first heat transfer conduit comprising a first heat transfer fluid inlet adjacent a first end of the carrier, and the second heat transfer conduit comprising a second heat transfer fluid inlet adjacent a second end of the carrier, different from the first end, such that in use heat transfer fluid is conducted along the first and second heat transfer conduits in opposite directions.