The HP Envy Pro 6420 All-in-One Printer is made from recycled printers and other electronics, with more than 20% by weight of plastic. It also has a 25-page auto document feeder. Here are some positive and negative aspects of the printer:
Positive:
- Made from recycled materials
- Has a 25-page auto document feeder
- Supports double-sided printing at up to 8.5 x 11 inches and can print at up to 10 pages per minute (ppm) with black text and 7 ppm with color
Negative:
- Some users have reported issues with the printer
- The printer contains technology that may prevent cartridges with non-HP chips or circuitry from working now or in the future
There is no information available on the specific ingredients or materials used in the printer.