Oki B412dn User Manual page 185

Note
Do not load paper over the "
Register the loaded paper in the printer. Proceed to
Note
Use paper stored under proper temperature and humidity conditions. Do not use paper that has curled or warped from humidity
(using such paper can cause wrinkles to develop).
Adjust the paper guide and paper stopper so that there is no gap between them and the paper. Do not place the paper too tightly
against the paper guide or paper stopper to avoid bending the paper.
Do not load paper over the
2
) that can be loaded in each tray varies depending on the model.
B412, B432, ES4132
Tray1:250 sheets
Tray2:530 sheets
MP Tray:100 sheets
B512, ES5112
Tray1:530 sheets
Tray2:530 sheets
MP Tray:100 sheets
Load the paper so that the paper is fed in longitudinal direction.
Do not load paper of different sizes, types, or weights in the same tray.
To add paper, remove the already loaded paper, stack up it onto the new paper, and then align the edges of all the paper.
Do not push with too much force when inserting the paper cassette.
Do not pull the paper cassette out during printing.
Do not place any objects other than printing paper in the MP tray, or push into the MP tray, or otherwise apply force to the MP
tray.
" mark.
"Registering the Paper Size, Type, or
mark of the paper guide. As shown below, the number of sheets of paper (media weight of 80 g/m
184
Weight".