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CHAPTER 5 TROUBLESHOOTING
G. Extended Setting
1. Outline
This mode makes it possible to adjust
the image scale parameter and reading-start
position. It is used to correct changes due to
the friction of the roller or to perform fine
adjustment of automatic adjustment. This
mode should also be executed after
replacing the control PCB that records the
adjustment data.
Description of the screen
{
1
{
5
{
2
{
3
{
4
{
7
{
6
{
8
Figure 5-251
No. Details
{
1
Regist Manual Adjustment
Reading-start position
adjustment value.
Units are mm, and the setting
range is ±5.0.
The [+] direction delays the
timing.
{
2
Virtical Scaling Rate control
Feed direction scale parameter
adjustment value.
There are three types.
Units are %, and the setting
range is ±1.0 of the factory
value, ±3.0 of the user value.
{
3
[Set] button
Sets the adjustment values.
No. Details
{
4
[Regist Adjustment] button
Executes automatic registration
adjustment.
{
5
Scan image
The scanned image is displayed.
The left side is the front image
and the right side is the back
image.
{
6
Zoom
Enlarges the image in
{
5
above.
{
7
Scanning Modes
Mode, resolution, and size.
{
8
[Scan] button
Executes a scan.
Table 5-206
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CANON ELECTRONICS INC. 2011 CANON DR-M140 FIRST EDITION
5-29