...
Device information display
Network status connectivity and status
Internet connectivity
Printer functionality and print head aging tests (on devices with a built-in printer)
Display screen functionality, color saturation, and problem pixel identification
Touch screen functionality, sensitivity, and multi-touch capability
Speaker
EMV Reader/NFC reader/MSR
Bluetooth
Button Functionality
Camera and Flash
...
Further tests will display images from the camera to validate its functionality, the camera with the flash on to validate the flash functionality, and button activity confirmations.
...
Next, POS Steward will prompt you to test the payment reader interfaces as noted below.
NFC / Tap:
Tap a contactless payment enabled card to the lid of the device to confirm the NFC reader is working properly. A success will generate an audible beep.
...
EMV Chip / ICC Reader:
Insert an EMV Chip card to the right-side of the device to confirm the chip reader is working properly. A success will generate an audible beep.
...
A Magnetic Stripe Reader (MSR):
Swipe a credit card on the device in the slot between the top of the screen and printer to confirm the MSR is working properly. A success will generate an audible beep.
...
When complete, a successful test will result in the following results screen with green checks next to each result. Failures will be represented by a red 'X'.
...