Olivetti d-Copia 284MF Service Manual page 55

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.
Method
1. Press the start key.
2. Select the item to be set using the cursor up/down keys.
Display
CCD
BLACK LINE
Setting: Standard data when dust is detected
1. Select the item to be set using the cursor up/down keys.
2. Change the value using the cursor left/right keys 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] using the cursor up/down keys.
2. Press the start key. The setting is cleared.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y111030-4
Description
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 range Initial setting
0 to 255 125
0 to 255 125
0 to 255 120
2JN
1-3-27