Hi there! Because the forum you originally posted in is for beginners trying to learn the basics of Photoshop, I moved your question to the Photoshop General Discussion forum, where you'll get more specialized help.
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Something is not working correctly with your printer driver.
Check with HP for instructions or updates to the driver.
I'm using CS6 13.1, 64 bit, on a windows 8 computer, it is a consistant issue, the custom print options worked when we were using CS5, and the custom options works with microsoft publisher just not this photoshop. We have another user that has a windows 7 computer same version of photoshop and has the same problem.
Yes, that still means that the printer driver is doing something wrong. (especially since we have no such problems with our HP 3100 printers)
Please check with HP for instructions and possible updates to their drivers.