HP Color LaserJet Pro M454dw - Manual (Page 39)

7. At the computer, begin the printing process from the software application. Make sure that the driver is set
to the correct paper type and size for the paper being printed from the tray.
Tray 3 paper orientation
When using paper that requires a specific orientation, load it according to the information in the following table.
Table 2-3 Tray 3 paper orientation
Paper type Output How to load paper
Letterhead or preprinted 1-sided printing Face-up
Top edge toward the printer.
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ENWW Load paper to Tray 3 29