Difference Between Straight and Reverse Paper Mark Three Plain Test sheets: Mark the First sheet A The Second sheet with a B Third sheet with a C and The Fourth Sheet with a D Load the Four test sheets in the copier Place the original you wish to copy face down in the copier and position it appropriately. Load the sheets marked as A B C & D face up A on top and B beneath it in the feeder tray. Produce the test copies Set the Copy Qty to 4 and press the start button. Remove the test copies from the output tray without disturbing the delivered sequence. Check Sequence and Print Side If the sheet marked A is on the top your copier requires Straight Sequence. If the sheet marked D is on the top your copier requires Reverse Sequence If the original image copied onto the side marked with the A the papers print side must be loaded FACE UP in the feeder tray. If the original image has been copied onto the reversed side the papers print side must be loaded FACE DOWN in the feeder tray. The Papers Print Side is identified by a side ream identification arrow located on the end of the ream. The Papers Print Side is also clearly indicated on the ream label.