HP Color LaserJet CM1312 MFP Serie Guía De Referencia Rápida página 5

5 Without changing the orientation, remove the printed stack
from the output bin, and then straighten the stack.
6 Maintaining the same orientation, place the stack of media in
the input tray again. The printed side should be facing down
with the top edge feeding into the product first.
When the message [OK] to print appears on the control-panel
7
display, press OK.
English
[OK] to print