HP Deskjet 6540 Color Inkjet Printer - Manual (Page 11)

1. The left status light represents the tri-color print cartridge.
2. The right status light represents the print cartridge that is installed in the
compartment on the right side of the print cartridge cradle. That print cartridge can
be the black print cartridge, the photo print cartridge, or the gray photo print
cartridge.
4.4 Print Quality Selector button (HP Deskjet 6540-
50 series)
Use the Print Quality Selector button to set print quality and print speed from the
front of the printer.
The Print Quality Selector button is located on the lower portion of the printer control
panel.
HP Deskjet 6500 series printers User's Guide
11