Xaar Technology Limited

Richard Hugh Lewis

Stephen Mark Jeapes

Jesus Garcia Maza

Ulrik Manfred Naunton

Arturo Garcia Gomez

Robert John Charles Dunn

A droplet deposition head including a datum surface arrangement for alignment of the head relative to an external mounting component in either a vertical mounting mode in which the head is held against a vertical mounting plate or a horizontal mounting mode where the head is held against a horizontal mounting plate. The datum surface arrangement comprising at least seven datum surfaces (x; y, y, y; z, z, z) provided on the head, wherein five of the seven datum surfaces are provided for alignment in both vertical and horizontal mounting modes, and wherein a sixth datum surface (z) is provided for alignment exclusively in said horizontal mounting mode and a seventh datum surface (y) is provided for alignment exclusively in said vertical mounting mode.

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Cambridge, United Kingdom

Richard Hugh Lewis