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NIB TEST
This test checks whether any failed nib of the print head exists. In addition to the leading
and tail mark lines, a vertical line of a half-inch is plotted for every 8th nib; and at the end
of each line, the next adjacent nib continues the plot. This pattern repeats until all the
nibs have completed the plotting. A sample pattern is shown in Figs. 6.
FIG. 6
DPI NIB TEST PATTERN
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