February 2013
3-102
ColorQube® 9303 Family
TP 23
Image Quality
TP 23 Drum Run Out and Y-Stitch Test Pages
Figure 1 shows the drum run out test pages without the defect on the horizontal lines. The two-
page drum run out test print provides visual indication on the success or failure of drum run out
and Y-stitch calibrations. Two pages of horizontal lines are printed to cover the entire drum.
The print order is marked in the upper left corner (P1 and P2).
NOTE: Before printing this test page, ensure that A4 or 8.5 x 11 inch plain paper is loaded long
edge feed into tray 4. Use the best quality media available. Do not use hole punched paper.
NOTE: When the paper selected for the test print pages is correct, the test pages will be
printed with annotations on the bottom edge confirming the test print name. Double chevrons
will be printed if the paper used is A4. The chevrons indicate the stitch position between print
heads.
Drum run out and Y-stitch test pages are printed from dC977.
Purpose
To provide a visual indication of drum run out and Y-stitch accuracy.
To solve image quality problems related to drum run out and y-stitch errors, refer to IQ 5.
Figure 1 Drum run out and Y-stitch pages
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