The Duplex Unit for HP M405, M426, and M427 printers would be most suitable in offices that require fast and efficient document printing using both sides of the paper for maximum output.
RC4-3245 Duplex Unit for HP M402 M403 M426 Printer Spare Parts
Duplex Unit For HP M506dn M501n M527dn
Duplex Unit For HP M428 M404 M405
