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Maintenance 3-7
NovaJet 800 Series Service Manual
MAINTENANCE
Be sure to clean the yellow cartridge because it is not readily apparent that it is
dirty. The yellow ink is hard to see and could be overlooked.
Flex Cable Contact Cleaning
Flex Cable Contacts
Figure 3-3. Flex Cable Contacts.
Cleaning the flex cable contact area is very important due to the ease with which
this area can become dirty. The flex for the yellow cartridge is deceiving because
it is not readily apparent that it is dirty. This also causes the cartridges to not
receive all of the electrical signals for a proper firing of the jets. This can be seen
as a misfiring of the cartridge.
NOTE
Be careful when handling the flex cable contact area. Avoid touch-
ing the contact area because oils on your skin can contaminate the
area and result in misfiring of the inkjets.
Clean the flex cable contacts by gently dabbing the area with a cotton swab soaked
with isopropyl alcohol.