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4-12 Troubleshooting
NovaJet 500/630/700 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
Noisy Operation
• ink or paper clean printer
debris in printer
• obstruction in remove obstruction/
path of carriage clean printer
• carriage replace carriage
bushings worn bushings
• 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