HP 2700 - Manual (Page 65)

6. Go to the printer. When the Load Tray 1 prompt appears, remove any blank paper from tray 1.
Remove the printed stack from the output bin and insert the stack into tray 1 with the printed side
up, and the top edge toward the printer.
NOTE Do not discard any blank sheets from the printed stack. If your manual 2-sided print
job contains more than 100 pages, insert up to 100 pages into tray 1.
7. Press OK to print the second side.
8. If your manual 2-sided print job contains more than 100 pages, the Load Tray 1 prompt appears.
Insert up to 100 pages into tray 1, and then click OK to continue printing the second side.
ENWW Using 2-sided (duplex) printing 55