This can be resolved by using ColorSync, which is included with the Apple Color Printer software.
Assuming that they are looking for the x,y,Y values for CMYK which are in the "Custom" Ink Colors popup in "Printing Inks Setup", this feature of Photoshop allows the user to manually calibrate to the printer.
The easier way to obtain calibration would be to use ColorSync which automatically calibrates between the monitor and printer. There is an Apple Color Printer profile which ColorSync uses and can be selected in the "Color" options dialog in the Print dialog of the Apple Color Printer.