QTR-Quadtone RIP

Following the instructions for my Mac, I get this:

Last login: Sat Sep 21 08:30:50 on ttys000
H-Office-iMac:~ kris$ /Applications/QuadToneRIP/Profiles/InstallScripts/Install3880.command ; exit;
DEBUG2: Directory "/Library/Printers/EPSON/CIOSupport/EPSONUSBPrintClass.plugin" permissions OK (040755/uid=0/gid=80).
DEBUG2: Directory "/System/Library/Printers/Libraries/USBGenericPrintingClass.plugin" permissions OK (040755/uid=0/gid=0).
DEBUG: load_classdriver(/System/Library/Printers/Libraries/USBGenericPrintingClass.plugin) (kr:0x00000000)
DEBUG: load_classdriver(/Library/Printers/EPSON/CIOSupport/EPSONUSBPrintClass.plugin) (kr:0x00000000)
Creating printer named: Quad3880
lpadmin: Unable to copy PPD file.

Installing QuadToneRIP Curves Printer Quad3880
Couldn't open /etc/cups/ppd/Quad3880.ppd for reading: No such file or directory
logout

[Process completed]