HP Deskjet 6620 Color Inkjet Printer - Manual (Page 133)

1. Paper-width guide
2. Paper-width fence
3. Paper-length guide
Note: When changing the paper size in the paper tray, you must set all three
paper guides.
Setting the paper size
When changing the paper size in the paper tray, all three paper guides must be set
to the correct setting.
Follow these steps to set the paper size:
1. Remove the lower tray from the base.
2. Slide the paper-width guide until the arrow is even with the correct setting.
HP Deskjet 6600 series printer User's Guide
133