Since I sold my 9900 and purchased an Epson SC-P7000 I had not used QTR until yesterday. Or perhaps I should say that I tried to use QTR yesterday, but with no success. Of course at this point I have only the 9900 QTR driver installed, which would not communicate with the printer. I then went to the QTR site and downloaded version 2.7.8, which is apparently geared to the Mac OS Hugh Sierra which I am now running. Thinking that it's probably time to install the latest version, I referred to my notes concerning installing a new version or a reinstall of QTR. Below is the info I'm referring to:
1. Open the QTR driver and delete all QTR Presets.
2. Delete the Quad9900 printer in "Print & Scan".
3. Install QTR from the Install Package. This can be done over the previous version!
4. In "Applications", open the QTR Folder and then the Profiles Folder.
5. Find the SC-P7000 Install Script and run it. This will install the profiles and the printer as well.
6. Do NOT install the printer in "Print & Scan"! Too many settings and opportunities for errors.
When I am anticipating installing a new driver for the Epson my first step is to delete every file referring to the previous driver, including the folder in /Library/Printers. But according to the method mentioned above that is not necessary, as mentioned in Step 3. Although I'm still leaning toward the full deletion of the previous driver, Step 3 seems to negate the necessity of full deleting the previous QTR driver. Is there a current consensus among the forum of best practice?
Thank you,
Gary