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Table 4-1. Troubleshooting Table (cont).
Symptoms
Possible cause
• color calibration
needed
• deadband
calibration needed
(in bidirectional
printing mode)
• debris or
lubrication on
slide shaft
• leaks or bubbles
in ink delivery
lines
• dirty encoder
strip
•outrigger
bushings worn
• carriage
bushings worn
• drive belt worn
• drive belt
slipping on idler
• vacuum fan not
operating
NovaJet 800 Series Service Manual
Solution
perform Color
Calibration
perform Deadband
Calibration
clean slide shaft
1) reseal/prime ink
delivery lines on
both sides
2) replace ink
delivery lines
clean encoder strip
replace outrigger
bushings
replace carriage
bushings
replace drive belt
replace frame
tensioner, spring,
or idler
replace fan
assembly
Troubleshooting
4-15
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