When the Machine Cannot Be Operated
• If a message is displayed on the screen, check the message.
• page 181 "When a Message Is Displayed and the Machine Cannot Be Operated"
• When confirming or changing the settings in [Settings], press [Home] ( ) after completing the
operation to close [Settings].
When the Machine Does Not Respond Correctly to an Operation on the
Control Panel
Condition Cause Solution and reference
The screen of the control
panel is not lit.
The machine is in the sleep
mode.
Touch the screen.
Nothing is displayed
when you touch the
screen.
The power of the machine is
turned off.
Check that the main power indicator is not
lit, and then turn on the main power of the
machine.
page 9 "Turning On and Off the Power"
The power of the
machine does not come
on.
The power cable is
unplugged from the wall
outlet.
Plug the power cable firmly into the wall
outlet.
The machine is connected to
an extension cord.
You cannot use an extension cord.
After checking that the screen is not lit when
you touch it and the main power indicator
is unlit, remove the extension cord and plug
the power cable directly into the wall
outlet.
There may be a problem
with the wall outlet.
After checking that the screen is not lit when
you touch it and the main power indicator
is unlit, plug the power cord into a
confirmed operating wall outlet.
Only the copy icon is
displayed when the
machine is turned on.
The functions other than the
copy function are starting
up.
The time required for a function to start up
varies depending on the function. Wait a
while.
8. Troubleshooting
176