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Maintenance
item No.
Adjusting the DP input light luminosity
U074
Description
Sets the luminosity correction for scanning originals from the DP.
Purpose
Used if the exposure amount differs significantly between when scanning an original on the platen and when
scanning an original from the DP.
Setting
1. Press the start key.
2. Select the item to be set.
Display
R
G
B
K
3. Change the setting using the +/- or numeric keys.
Increasing the setting makes the luminosity higher, and decreasing it makes the luminosity lower.
4. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, copying from an original is available in interrupt copying mode
(which is activated by pressing the system menu key).
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
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.
Method
1. Press the start key.
2. Select the item to be set. The setting screen for the selected item is displayed.
Display
CCD
BLACK
Setting: standard data when dust is detected
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
Display
CCD R
CCD G
CCD B
3. Press the start key. The value is set.
Setting: Initialization of original reading position
1. Select [CLEAR].
2. Press the start key. The setting is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y108671-9
Description
Description
DP input light luminosity of R image
DP input light luminosity of G image
DP input light luminosity of B image
DP input light luminosity of K image
Description
Setting of standard data when dust is detected.
Initialization of original reading position.
Description
Lowest density of the R regard as the dust
Lowest density of the G regard as the dust
Lowest density of the B regard as the dust
Service Manual
Setting
Initial
range
setting
-12 to 12
0
-12 to 12
0
-12 to 12
0
-12 to 12
0
Setting range
Initial setting
0 to 255
125
0 to 255
125
0 to 255
120
3K5-2
1-3-9
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