Network connected printers benefit from online services provided by Ultimaker. To ensure that your printer can benefit from the latest services and features it is important that the printer is running the latest firmware.
Printers running older firmware may not have the latest functionality built in. You can check for the latest firmware for your printer here.
Note: It may be that the some functionality is not yet built in the latest firmware version for a printer.
When a printer is the group host of multiple printers, all the printers within the group can utilize the latest features. Therefore it is recommended to host a group of printers using the printer that runs the latest firmware version.