Canon multipass c3000 Service Manual (en)

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5.4.5 Data initialization through service operation
All the data can be initialized with the service data #8 clear operation.
For details on the initialization procedure and the data that is erased, see
Chapter 3: 5.2 Service Data Setting on Page 3-31
.
"All clear" when nothing works.
On a rare occasion, the display may go blank and all the buttons may stop
working.  Severe electrical noise and static can cause problems as well.  In
such a case, use the 
“All clear”
feature.
After installing the unit for the first time and connecting the power cord,
execute 
“All clear.”
The procedure is described below.
The All clear operation initializes the user data and service data settings.
The shading data are not initialized.
After All clear has been executed, make a copy in the 
PHOTO
mode and
check the image.   If the image contains black spots, it is evidence of shading
data damage.  See 
Page 3-6
to re-enter the shading data.
Part 1: Facsimile
1-52
REFERENCE
NOTE
START/COPY
FUNCTION
#
5 times
#8   CLEAR
ALL
Standby
START/COPY
Execute All clear
Figure 1-23 All Clear