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Locked

‎02-16-2023 11:46 AM

HP Recommended
Product: HP LaserJet Pro 400 color Printer M451dn

Ever since upgrading to Mac OS Ventura (13.2.1), my HP LaserJet Pro 400 color Printer M451dn will not print double sided (OFF in print dialogues), even though the Duplex is ON.  I spent 2 hours with HP in an online Chat, and she said that Apple doesn't have a new driver yet for Ventura.  However, there must be a setting that I have missed to turn on double sided printing.  This printer worked flawlessly with 2 Mac Pros, and my 2019 iMac - AND this new M1 Mac Studio, using Monterey.

Any suggestions would be gratefully appreciated!

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