HP LaserJet Pro 400 color Printer M451 series - Manual (Page 22)

Environmental features
Duplex printing Save paper by using the manual duplex printing option. Automatic duplex printing is available
with the HP LaserJet Pro 400 color M451dn and HP LaserJet Pro 400 color M451dw models.
Print multiple pages per
sheet Save paper by printing two or more pages of a document side-by-side on one sheet of paper.
Access this feature through the printer driver.
Recycling Reduce waste by using recycled paper.
Recycle print cartridges by using the HP Planet Partners return process.
Energy savings Instant on Fusing technology and sleep mode enable this product to quickly go into reduced
power states when not printing, thus saving energy.
Accessibility features
The product includes several features that aid users with accessibility issues.
● Online user guide that is compatible with text screen-readers.
● Print cartridges can be installed and removed by using one hand.
● All doors and covers can be opened by using one hand.
4 Chapter 1 Product basics ENWW