When the Machine Cannot Be Operated
• If a message is displayed on the screen, check the message.
• page 253 "When a Message Appears and the Machine Cannot Be Operated"
Condition Cause Solution and reference
The screen of the control
panel is not lit.
The machine is in the Low
Power Mode or 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.
See page 14 "Turning On and Off the
Power".
The power of the
machine does not come
on.
The AC power switch is not
turned "On".
Turn the AC power switch "On".
See "Notes on Usage of the Machine",
User Guide.
The screen remains
turned on and the
machine does not enter
the sleep mode when
you press Energy Saving
( ).
The machine is in a
condition that does not
allow the machine to enter
the sleep mode.
Check the conditions in which the machine
does not enter the sleep mode.
See page 14 "Turning On and Off the
Power".
The machine does not
shut down when more
than 15 minutes have
passed after you press
the main power switch.
The shutdown operation
could not be performed
normally.
Press the main power switch again.
The power of the
machine is turned off
automatically.
[Main Power Off] is
specified in the weekly
timer.
Check the [ ] [Weekly Timer] setting
under "Printer Settings".
6. Troubleshooting
252
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