There is no way, short of doing a Master Reset and completely reprograming the register, that I know of to reset the Grand Total that prints on the report. However, it is possible to NOT PRINT that figure on the reports. To do this you will need a Service key or you will need to take the register to a dealer to have it done. The procedure is as follows:
1) Insert the Service key and turn it to the SRV1 position (one click counterclockwise past the PGM position).
2) Enter 908, press the decimal key, then the AT/FOR key.
3) Enter 7000, press the CA/AT key.
Steve, January 2010