Using the NFC feature2422. Using a Network-Connected Machine• For some mobile devices, NFC tag might not be located at the back of themobile device. Check the location of the NFC antenna on your mobiledevice before tagging.• If error message about changed PIN number appears, enter a changedPIN number and press OK. Follow the instruction on the app screen toupdate the PIN number.• If your do not have Samsung Mobile Print app installed on your mobiledevices, it automatically connects to Samsung Mobile Print appdownload page. Download the app and try again.3 Select scan mode.4 Place a single document face down on the document glass, or load thedocuments face up into the document feeder (see "Loading originals" onpage 61).If necessary, change the scan option by pressing the .5 Tag the NFC tag on your mobile device (usually located on the back ofthe mobile device) over the NFC tag( ) on your printer.• For some mobile devices, NFC tag might not be located at the back of themobile device. Check the location of the NFC antenna on your mobiledevice before tagging.• If error message about changed PIN number appears, enter a changedPIN number and press OK. Follow the instruction on the app screen toupdate the PIN number.6 The printer starts scanning the content.The scanned data is saved on your mobile device.If you want to continue scanning, follow the instruction on the app screen.