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‎03-03-2021 12:56 PM

HP Recommended
Product: HP7855
Operating System: macOS 10.12 Sierra

My hp 7855 printer will no longer switch paper size in its window or in the Apple app.  I’ve tried changing the photo paper, removed  the 8.5x11 paper from the lower tray, turned off the printer, unplugged the printer and  It is stuck at 5x7 size and will not change to 4x6 for printing photos. 

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