Canon multipass c3000 Service Manual (en)

Download
3. ADJUSTMENT
3.1 Shading Data Adjustment
a) Overview
If the SCNT board, lithium battery, or contact sensor has been replaced, 
"DATA ERROR"
is
displayed or the image scanned in 
AUTO HALFTONE
mode contains black dots, the shading
data for contact sensor correction may be damaged.  Re-enter the shading data by following
the procedure below.
b) Tools required:
Recommended paper.
c) Procedure
1) Follow the procedure below and select 
#3 CALIBRATION
with the 
SPECIAL MODE.
2) Place a white sheet of paper for scanning the shading data, and press the 
START/COPY
button.
3) The paper is scanned and the shading data will be re-entered.
4) Execute copying operation and check the image.
Part 1: Facsimile
3-6
2 times
FUNCTION
#1 MEMORY CLEAR
Several seconds later
0
#3 CALIBRATION
CS SHADE ADJUST
START/COPY
SET DOCUMENT
Figure 3-2 Shading Data Adjustment Operation 1
START/COPY
Set the recommended paper.
Scanning starts.
Figure 3-3 Shading Data Adjustment Operation 2