Kodak 800 SERIES service manual Service Station

NovaJet 800 Series Service Manual

Figure 4-14. Service Station.

If failures are occurring within 40 ml of ink throughput, improper cleaning of electrical contacts on carrier or a connectivity problem probably exists. Driver chips on the carriage PCB are known to have blown multiple cartridges in a row and vice versa. Some cartridges can affect other cartridges via the flex driver cable connectivity. Use post-it note trick (attach a post-it note to the electrical contacts on rear side of print head or cartridge, but do not cover the two identification circuit chip contacts) to diagnose the defective cartridge in these cases:

Figure 4-15. Defective Cartridge Power Lines.

Initially cartridges should be replaced, but further investigation is required.

Troubleshooting 4-27