Xerox Nuvera 100, Service Manual

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ii LINX™ Solid Inkjet 100 Service Manual
Figure 1-19 shows a cross-section of the inkjet array and the jet
nozzle arrangement.
The printhead’s jet stack is fabricated from a stack of chemically
etched steel plates which are brazed together to form the ink-jet
array. Channels formed by the stacked plates route ink past the 448
individual, piezoelectric crystal-driven diaphragms, which force the
ink in droplets out the 448 corresponding nozzles. Looking at the
printhead face, the nozzles are arranged in four rows with the
intermediate density nozzles forming the top row, the low density
nozzles forming the next row 22 /300” below, and the clear nozzles
forming the third row 11/300” below and the high density nozzles
forming the fourth row 22/33” below. During the printing process, the
printhead would only have to travel 22 pixels horizontally to provide
complete coverage. (In actuality, the printhead travels much further
to interlace with the output of neighboring jets.)
The Drift Compensation setting in the hidden Service Support menu
enables automatic drift compensation. When it is turned on, it slowly
increases the printhead drive voltage over time to maintain optimal
printhead performance.