Kodak 800 SERIES service manual Cartridge Warranty, ESD Problem

NovaJet 800 Series Service Manual

Figure 4-50. ESD Problem.

7.Change media to see if electrostatic discharge from media is causing the banding or ink over-spray to occur. Add 3rd party ESD protection if required (static eliminator strip).

8.Perform the carriage vibration test under ‘Diagnostics’ Menu, the lines should print fine lines with no jagged edges.

9.Print a demo print from the sample images CD. If no overspray or similar problems show, then check the software driver or original file. Draw a simple box and send to print from application; default line thickness should be 0.008" (AutoCAD). Check printed output for correct line thickness. Obtain the Servicing Support CD and refer to ‘Demonstration Print’ for proper procedures. Ensure the demonstration print is correct.

Cartridge Warranty

To check cartridge ink throughput select Utility Menu, Service Menu, Cartridge Info. There is a 500 ml warranty on the print heads; the cartridge shuts off at 1280 ml (NJ850) or 1500 ml (NJ880) with a “Car- tridge End of Life” message and the cartridge must be replaced.

Note: replace defective cartridge with a warranty cartridge if less than 500 ml throughput and a problem cannot be corrected with cartridge cleaning or manual jet bypass (see Cartridge Maintenance & Testing) below.

Troubleshooting 4-47