HP LaserJet Enterprise flow M830 Multifunction Printer series - Manual (Page 29)

Table 2-1 Tray 1 paper orientation (continued)
Paper type Image orientation Duplex mode How to load paper
Automatic 2-sided printing Face-up
Top edge toward the back of the product
Prepunched Portrait 1-sided printing Face-down
Holes towards the right of the tray
Preprinted or letterhead Landscape 1-sided printing Face-up
Top edge toward the back of the product
ENWW Load Tray 1 19