Canon BJ-200e - Manual (Page 22)

4. Align the stack of paper with the right edge of the sheet feeder
and slide in the stack until it stops. Do not force the paper into the
printer. Make sure the stack of paper does not exceed the paper
limit mark or the tab on the right side of the sheet feeder.
5. Insert the paper so that the side you want to print on is facing you.
If you are using a preprinted stock, such as letterhead, insert the
top of the paper into the sheet feeder first.
6. Adjust the paper guide to the stack of paper.