HP Designjet 510 Printer series - Manual (Page 42)

Which side up?
The printer prints on the side of the paper that faces up. It may be important to load the sheet with the correct side
facing up. See the table below.
Print side for paper types
Paper type Matte or glossy
HP Bright White Inkjet Paper (Bond) Both sides are the same. If sheet
is curled, load with curl down.
HP Vellum
Natural Tracing Paper
Coated Paper
Load with the coated side up.
Heavy Coated Paper
Matte Film
Load with the matte side up.
High-Gloss Photo Load with the glossy side up.
Clear Film
Translucent Bond
Both sides are the same. If sheet
is curled, load with curl down.
Canvas
Poster Paper
Plain Paper
Both sides are the same. If sheet
is curled, load with curl down.