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Driver installation problem on MacOS Catalina


I have my IPF6400S working perfectly on a Mac Mini running Sierra 10.13.6.

Now I tried to install the diver on a 2018 Macbook Pro (2,9Ghz I9). I connected the printer with a USB to USB-C adapter. 
I installed the correct driver, and then
ran Image PROGRAPH Printer

It does not find the printer.



If I had to guess, I'd say the issue might be related to your USB to USB-C adapter

Bay Area - CA

~R5 C ( ~RF Trinity, ~RF 100~400, ~RF 100~500, +RF 1.4x TC, +Canon Control Ring, BG-R10

~6D2 (v1.1.1) Retired ~EF Trinity, others ~DxO PhotoLab Elite ~Windows10/11 Pro ~EVGA RTX 3080Ti FTW3 Ultra ~ImageClass MF644Cdw ~Pixel6 ~CarePaks Are Worth It

I thoght of thatt, too. The funny thing is that the printer is found and identified in the System Prefs>Printers, but not in Image PROGRAPH Printer
But through ethernet, it seems to work OK.
I's just that I hate unsolved problems, they ruin my sleep…