| 摘要 |
An apparatus adapted to house page-wide arrays (PWAs) of print heads in a printing apparatus comprises a plurality of support structures each housing a PWA. Each PWA comprises a linear array of print nozzles in a lateral direction. The structures are stacked in a vertical array and are each attached to a wall structure at a closed lateral end of the structure. Opposite the closed end, each structure has an open end for lateral insertion and removal of the corresponding PWA. Between the open and closed ends, each structure has an opening in a front face through which the array of nozzles in the corresponding PWA may operate while housed in the structure. An adjustable protrusion extends within each structure from the closed end, whereby the lateral position of the corresponding PWA may be fixed relative to the closed end of the structure and the wall structure. A locking mechanism at the open end of the structure may be engaged to secure the PWA within each structure against the corresponding protrusion and prevented from moving in a lateral direction. When the locking mechanism is disengaged, the PWA may be removed or inserted through the open end of the structure. The lateral pressures applied by the locking mechanism and the protrusion in each structure fixes the lateral position of each PWA relative to each other and with respect to the wall structure.
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