Troubleshooting
4-9
NovaJet 800 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
• bad MPWA replace MPWA
Ink Cartridge
Misfiring • cartridge low on refill or replace
ink cartridge
• defective septum replace cartridge
needle tubing needle/
septum assy.
• ink drop out lower ink pre-heat
(ink starvation settings
resembling
intermittent
banding)
• flex contacts 1) perform Flex
dirty or damaged Cable Contact
Cleaning
procedures
2) replace carriage
flex cable (quad)
• cartridge dimple 1) perform
area dirty or Cartridge Dimple
damaged Cleaning procedure
2) replace cartridge
• cartridge not reseat cartridge
seated correctly
• bad cartridge replace cartridge