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 Root Certificate Needs to be Updated
Cannot Cancel Printing from a Computer Running Mac OS X v10.6.8
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