Olivetti DP-670 Service Manual page 45

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.
Description
DP input light luminosity
3. Change the setting using the cursor up/down 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 the interrupt copying
mode.
Completion
Press the stop/clear 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.
Display
CCD
BLACK LINE
Setting: Standard data when dust is detected
1. Change the value using the cursor up/down keys.
2. 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/clear key. The screen for selecting a maintenance item No. is displayed.
Y108671-9
Description
Description
Setting of standard data when dust is detected.
Initialization of original reading position.
Service Manual
Setting range Initial setting
-12 to 12 0
Setting
range
10 to 95
-
3K5-2
Initial set-
ting
35
-
1-3-25