HP Deskjet 6540 Color Inkjet Printer - Manual (Page 7)

1. Buttons and lights
2. Print Cartridge Status lights
3. Print Quality Selector button
4. Paper trays
5. Envelope slot
6. Front USB port
1. Print cartridges
2. Automatic Paper-Type Sensor (not illustrated)
3. Ink-backup mode (not illustrated)
HP Deskjet 6500 series printers User's Guide
7