Olivetti DP-670, Service Manual

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3K5-2
1-3-40
U074
Adjusting the DP input light luminosity
Description
Sets the luminosity correction for scanning originals from the DP.
Purpose
Modify the setting only if a spotted background appears when a bluish original is scanned from the DP.
Setting
1. Press the start key.
2. Change the setting using the +/- or numeric keys.
Settings 0: No correction / 1: Slight correction / 2: Medium correction / 3: Strong correction
3. 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.
U087
Setting DP reading position modification operation
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.
Setting: Standard data when dust is detected
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
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.
Maintenance
item No.
Description
Display Description Setting range Initial setting
INPUT DATA DP input light luminosity correction 0 to 3 0
Display Description
CCD Setting of standard data when dust is detected
BLACK LINE Initialization of original reading position
Display Description Setting range Initial setting
CCD R Lowest density of the R regard as the dust 0 to 255 125
CCD G Lowest density of the G regard as the dust 0 to 255 125
CCD B Lowest density of the B regard as the dust 0 to 255 125
Service Manual Y108671-9