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M400

How do I change the supervisor password on my Genius M400?

Important: If you lose or forget your supervisor password, you can’t reset it using your Genius M400. You must contact our Genius Support Team to receive a replacement device.

To change the supervisor password on your Genius M400, complete the following steps:

From the home screen, use the keypad to press 1, 5, and 9 at the same time.

How do I clean my Verifone device?

For information about how to clean your Verifone device, go to https://www.verifone.com/en/us/insight/how-clean-verifone-devices.

Important: This applies to the following devices:

Genius Countertop – Verifone MX 915
Genius Countertop – Verifone MX 925
Genius M400
Verifone VX 520

What is the difference between a dynamic IP address and a static IP address?

Dynamic IP addresses

A Dynamic Host Configuration Protocol (DHCP) server assigns IP addresses automatically to devices on a network. These IP addresses are dynamic, which means that they can change if the DHCP server reassigns the address. We configure your Genius device to accept dynamic IP addresses by default.… Read More “What is the difference between a dynamic IP address and a static IP address?”