Oki B4545 MFP - Manual (Page 21)

Installation
21
Remark : always hold the paper tray with both hands when removing it or putting it back
into the additional paper unit.
5. Put a stack of 500 paper sheets,
maximum, into the paper tray,
making sure to always position
the paper so that the up-side,
when the paper is packed, is
always facing up.
6. Put the cover back onto the tray, and
insert the paper tray into the additional
paper unit.