The Monitor Service on the Smart Operation Panel may have performed an unexpected operation.
For technical users, ensure the Ethernet or USB cables connecting internal modules are seated correctly.
If a simple restart does not resolve the error, technical intervention may be necessary:
Access the printer screen and select [Error Log] to identify if other related codes are appearing simultaneously. Advanced Solutions
Turn the main power switch (located behind the front cover) to OFF , wait 30 seconds, and turn it back ON .
