Oki ML1190 User Manual page 29

9.
Replace the Input Tray and Paper Tray by fitting the Input Tray
into the gooves at the back of the printer and pushing gently
forward until the tray clips into place.
10.
Press the LOAD/EJECT button. The continuous forms will be
taken into the printer and positioned at the first line print position
and the SEL indicator will illuminate.
ML1120/ML1190 User's Guide - Paper handling > 29