Ink Cartridge Misfiring - ENCAD NovaJet 800 Series Service Manual

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