Send the following on WhatsApp
Continue to ChatNo duplex on duplex-enabled HP printers https://itfuckup.com/2017/06/17/no-duplex-on-duplex-enabled-hp-printers/
No duplex on duplex-enabled HP printers https://itfuckup.com/2017/06/17/no-duplex-on-duplex-enabled-hp-printers/