HP LaserJet 8000 Multifunction Printer series - Manual (Page 79)

Chapter 2 Printing Tasks 79
Selecting the Input Tray
6 Slide the paper into the printer until paper fits
squarely and firmly between the paper width
guides, without bending.
Note
Paper heavier than 28 lb (105 g/m²) should be
printed from Tray 1 to the Left Output Bin to avoid
curl.
If Tray 1 is in
CASSETTE mode, the printer Attention
light will flash. Press - V ALUE + to change the size
to match the paper size in Tray 1 and press
S ELECT .
6