Pls follow the steps before install the Chip decoder:
1. Ensure there are eight original legal printheads in Plotter .
2. Turn on power switch of the Plotter, and waiting for the plotter self-check till it is finished.
3. Pls make following settings on the operation panel:
A: Set up Menu----Ink Option-----Ink control Menu-----( Select) Preheat------OK
B: Set up Menu----Print Menu----Pass Correction-----( Select) OFF-------OK
C: Set up Menu----User Setup Menu------SaveUser-------OK
4. Turn off the power switch of the Plotter.
5. Turn on the power switch of the Plotter, and waiting for the plot self check till it is finished, and then turn off the plotter.

Install the Chip Decoder after ensure the power switch of the Plotter is turned off:
1. Take off the top cover of Plotter, take off the case shell at the right side of the plotter( with operation panel).
2. Insert the Chip Decoder into the main board of the plotter .
3. Pls set up the plotter step by step ( Opposite to step1.);
4. Conglutinate two electro circuit points which on the original enumerative chip of the original printhead together with adhesive tape. Turn on the plotter after install the printhead, it is ok to work now.