Mobile Print.

The Mobile Print application by OKI will print PDF's, photos and web pages from your device to OKI  printers and multi-function devices (MFPs). Print to OKI printers and MFPs via your wireless or wired LAN. 

[Main function]
Print from the Web
You can easily print web pages via the app.

Print to photo
Print photos on your device.

FAQ
Connect to OKI’s support website and search for solutions to your OKI product related questions by keywords or phrases.

Web Page
You can display web page of the device to check and set the status.

[Other functions]
Select a print file
Selectable file format
 jpeg / bmp / gif / PDF / txt
    
Target model, please see below. 
https://www.oki.com/uk/printing/support/drivers-and-utilities/?id=46599801FZ01