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- OfficeJet Pro 7740 thinks tray 1 is empty but it isn't - it ...

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02-12-2019 06:41 AM
Product: OfficeJet Pro 7740 Wide Format All-in-One
Operating System: macOS 10.14 Mojave
I previously had printed onto tabloid with no problem.
Now the printer won't print. Says:
Load Plain Paper
(Tabloid 11x17)
paper in tray 1
confirm guides are in
1 REPLY 1
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