HP Designjet 2500.3500cp Printer series - Manual (Page 91)

Working with Media
Loading sheet media
3-41
*For information on media types, see page 3-2, Choosing Media.
7 The printer moves the sheet in and out to check its size and alignment, and then
advances it to the start of the page.
8 When the “Status/Ready “ message is displayed you have finished loading sheet
media.