HP LaserJet Enterprise 600 Printer M603 series - Manual (Page 96)

2. Pinch the release lever that is located on the
left guide and slide the side guides to the
correct paper size.
3. Pinch the release lever that is located on the
rear paper guide and slide it to the correct
paper size.
4. Load the paper into the tray. Make sure that
the stack is flat at all four corners and that the
top of the stack is below the maximum-height
indicators.
5. Slide the tray completely into the product.
80 Chapter 6 Paper and print media ENWW