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Troubleshooting
4-14
NovaJet 800 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
• carriage replace carriage
bushings worn bushings (4)
• debris or clean fan assembly
obstruction in fan
• drive belt replace frame
slipping on idler tensioner, spring,
or idler
• hardware or tighten hardware
assemblies loose or assemblies
• carriage height perform Carriage
too low Head Height
Adjustment
• lower drive clean and/or realign
shaft gears are lower drive shaft
dirty or misaligned gears
• noisy servo replace servo motor
motor
• noisy stepper replace stepper
motor motor
Line Quality
Degraded
• ink cartridges clean and prime
dirty or clogged ink cartridges
• cartridge dimple clean or replace
region dirty or cartridge
damaged