HP CB519A Duplex Unit

Cut paper consumption by up to 50%: the automatic-duplexer enables you to conserve paper by facilitating automatic double-sided printing in A4? size Duplex registration ensures both sides of the page are correctly aligned Save money by reducing paper usage with automatic two-sided ...Cut paper consumption by up to 50%: the automatic-duplexer enables you to conserve paper by facilitating automatic double-sided printing in A4? size Duplex registration ensures both sides of the page are correctly aligned Save money by reducing paper usage with automatic two-sided printing The automatic duplexer for two-sided printing enables you to cut paper consumption by up to 50% and save money.