How can I cause HP Mobile Printing print jobs to default to duplex printing?

Question

I purchased an HP Officejet Pro 8620 a few days ago--for use with my Windows 7 PCs. I want all print jobs to default to two-sided (i.e., duplex) printing.
I used Windows' Devices and Printers to access the printer's preferences. I selected "Two-sided (Duplex) Printing" as the Printing Shortcut. This causes all print jobs from Windows to default to two-sided printing.
(Side-point: I notice that all of the printing shortcuts have padlocks on them; if I change any of the properties, a new entry ("User Specified Print Settings") is created; I press the Cancel button to avoid creating the new entry.)
Then I opened a 10-page PDF on an Android device and printed it using HP Mobile Printing (i.e., the HP Print Service Plugin on my Android device). The plugin interface has limited print options; duplex isn't one of them. The printer did not print the PDF duplexed!
How can I cause *all* print jobs (including those from HP Mobile Printing) to default to duplex printing?

Answer 1

Hi,
There are several different printing solutions available for Android, such as HP's built-in print solution for Android, the HP ePrint mobile app, HP's built-in print solution for Android, etc..
As much as I aware, none will allow setting duplex printing as default, still.. mobile printing is more limited than a standard PC..
The HP plugin allow printing to a printer connected to the same local network from several apps which support the plugin, its features are limited as included in my previous link.
The HP ePrint mobie app allow printing to both a printer connected to the same network or via the cloud using the HP ePrint service to print even when the Android device is not connected to the same network as the printer.
As well there is a new 3rd party service, the Mopria Print Service which allow printing from specific apps through the local network, it should be quite similar to HP's built-in print solution for Android
The following document list different printing solutions available for Android and can be viewed as a reference:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03679829&tmp_task=useCategory&cc=us&dlc=en&lc=e...
The following document also list different prinitng solutions for Apple or Android devices and include a description of any of the options I included above:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c03722645&tmp_task=setupCategory&cc=us&dlc=en&lc...
I surely do not mean to confuse you, but would like to provide you any of the options (Yes, I know, it is quite a confusing field..) and worth trying if it may allow changing the default settings, I personally not aware so it worth trying..
Hope that helps,
Shlomi
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