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Troubleshooting 4-35
NovaJet 800 Series Service Manual
Figure 4-29. Carriage Head Strike.
9. Ensure the vacuum fan or fans are providing adequate suction
for media. If the exhaust grill (s) are installed incorrectly then
carriage head scraping will occur on the media causing
streaking or inconsistent banding. This could also be due to
thick media (greater than 20 ml) or possibly canvas or vinyl
exposed to high humidity which then becomes still.
10. Turn printer off. Slowly move carriage head back and forth
manually to ensure no obstructions are causing the print
defects observed (i.e. tape on the rear cover, tie-straps under
the electronics cover, or low carriage head height).
11. Verify connectivity through E-Connect, SEH, or the built-in
print server. Contact technical support for network
configuration procedures. Improper connectivity can cause
low data transfer problems and may provide “false starts” of
the printer carriage (carriage moves out but does not execute
print operations).
Figure 4-31. Low Data Transfer Problem.