If you are unable to solve a problem using the solutions in this manual, press the [Power] button and then turn the main power switch to the ""position. Wait at least 10 seconds and then turn the main power switch to the ""position. After the main power indicator color changes from orange to green, press the [POWER] button.
When the background color of the job status display at the upper right corner of the touch panel is not gray, do not switch off the main power switch or unplug the power plug. This may damage the hard drive or cause the data being stored or received to be lost.
Point to check Solution
Has the maximum number of keys been stored? Adjust the number of stored keys.
Delete one-touch keys and group keys that are not being used.
Have functions been disabled by the administrator? Check with your administrator.
Some functions may have been disabled in the setting mode. Check with your administrator.