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Troubleshooting 4-46
NovaJet 800 Series Service Manual
5. Check pinch roller for proper height and encoder stabilizer
bracket teflon strip for bubbles. Replace teflon strip/encode
stabilizer bracket assembly if problems persist.
Line Quality Problems (Overspray)
1. Check the print mode. The enhanced modes should not exhibit
any overspray problems. Are any compression utilities being
used? Avoid embedding text onto a layer that is compressed or
resized within the application. This is known to cause apparent
overspray like symptoms when printed.
Figure 4-49. RIP Error (Page Layout Violation).
NOTE: corrupted files during RIP processing or insufficient
memory (i.e. , at NT workstation) particularly can cause a single
line to project from an image:
2. Are the color deadband and color calibrations correct? Refer to
Printer Calibrations.
3. Check the ink cartridge jet plate for buildup and ink residue if
streaks occur on the right side of print. Refer to Routine
Maintenance.
4. Clean the encoder strip (top and bottom), slide shaft and inside
of carriage belt with distilled water or isopropyl alcohol. Refer to
Routine Maintenance.
5. Check outrigger bushings and carriage bushings for wear and for
cleanliness. Refer to Vertical Banding and Routine
Maintenance.
6. Ensure vacuum fan or fans are providing adequate suction for
media or head scrapes will occur. Refer to Horizontal Banding.