Canon imageFORMULA ScanFront 400 Service Manual page 145

12) After the black screen and product name
screen are displayed, the process to re-
turn the machine to the factory default
setting starts.
Go to Stage 2
Go to restart
Figure 5-606
13) Restart is performed. After the black
screen and product name screen are
displayed, the [Service Tool] screen is
displayed and the operation is complete.
COPYRIGHT © CANON ELECTRONICS INC. 2016
2. Battery Replacement
If 3 years pass without AC adapter
connected, the lithium battery attached to
the motherboard comes to the end of its life
and becomes dead.
If you turn on this machine in this state,
the below screen is displayed. Push the
power button of the machine for about 4
seconds to turn off the power, and then
replace the battery.
For the replacement procedure, refer to
"CHAPTER
REASSEMBLY, III. BASE UNIT, 3. Lithium
Battery". You also need to configure the
time settings again after replacement. For
the time setting procedure, refer to the user
manual.
If you want to sustain the starting state,
connect the external keyboard to the main
body, and press F1 key.
CANON SF-400 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Figure 5-607
3 DISASSEMBLY &
5-53