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2KL/2KK
Maintenance
item No.
Setting DP reading position modification operation
U087
Description
The presence or absence of dust is determined by comparing the scan data of the original trailing edge and
that taken after the original is conveyed past the DP original scanning position. If dust is identified, the DP
original scanning position is adjusted for the following originals.
Purpose
When using DP, to solve the problem when black lines occurs due to the dust with respect to original reading
position.
Setting
1. Press the start key.
2. Select the item to be set using the exposure adjustment keys.
Exposure indicator
Exp. 1
Exp. 2
Setting the mode on/off
1. Select "on" or "oFF" using the zoom +/- keys.
Display
on
oFF
Initial setting: on
2. Press the start key. The setting is set.
Setting the reference data for identifying dust
Available only when the mode is turned on.
1. Change the setting using the zoom +/- keys.
Description
Minimum density to be regarded as dust
Example
The figure indicates the density in 256 levels of gray (0: white, 255: black). When the setting is 35, data
of the level of 35 or higher is regarded as dust and data of lower level is regarded as the background
(scan data taken when there is no original).
2. Press the start key. The value is set.
Completion
Press the stop/clear key. The screen for selecting a maintenance item No. is displayed.
1-3-28
Description
Description
Setting the mode on/off
Setting the reference data for identifying dust
Description
DP scanning position adjust mode on
DP scanning position adjust mode off
Service Manual
Setting range
Initial setting
10 to 95
35
Y110980-1
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