If printer is connected to AirPort Base Station via Wi-Fi, make sure you use
Check 2
alphanumeric characters for network name (SSID). (macOS)
If your network name (SSID) contains characters other than single-byte alphanumeric characters, the connection
is not established properly. Change the network (SSID) to use only single-byte alphanumeric characters.
Solve network troubles with the printer's diagnostic functions.
Check 3
See below.
Solve Network Troubles with The Printer's Diagnostic Functions
Related Topics
Network Communication Problems
398