Operations are Slow
Printing Is Too Slow
Printing Slows Down Dramatically During Continuous Printing
Scanning Speed Is Slow
LCD Screen Gets Dark
Operation Sounds Are Loud
The Date and Time Are Incorrect
The Root Certificate Needs to be Updated
Sender's Fax Number Not Displayed
Sender's Fax Number Displayed on Received Faxes is Wrong
Cannot Make Calls on the Connected Telephone
Answering Machine Cannot Answer Voice Calls
A Lot of Junk Faxes Have Been Received
A Message Prompting You to Reset the Ink Level is Displayed Even After Refilling the Ink
The Ink Level Display does not Change Even After Refilling the Ink
