Preparing and connecting this machine to your PC- 45 -7 Load the paper with the printing side down, and press it down from top.Do not exceed [ ] of the paper guide when loading paper.If you are using B842dn, please load up to 100 sheets of A3-sized paper with a weight of 210 g/㎡ or above.8 Check that the size/orientation of the loaded paper matches the setting of the paper size dial.If the size/orientation of the loaded paper do not match the setting of the paper size dial, a paper size error mayoccur during printing and you may not be able to print.9 Insert the paper cassette into the main unit from slightly above and install it back to its originalposition.If you return the paper cassette to the main unit by force, the paper stopper may shift.

Oki COREFIDO B822dn User Manual