Olivetti d-Copia 5200MF Service Manual page 78

Maintenance
item No.
Setting the white line correction
U091
Description
Sets the error detection threshold value for white line correction and displays the count result of abnormal pix-
els.
Purpose
To perform when replacing the CIS, DP driver PWB or CIS roller.
Method
1. Press the start key.
2. Press [EXECUTE].
3. Press the start key. Holding of white reference data is started.
4. The count result of abnormal pixels is displayed.
Display
Calculation(R)
Calculation(G)
Calculation(B)
Setting: Threshold value setting
1. Select the item to be set.
2. Change the value using the +/- or numeric keys.
Display
Threshold(R)
Threshold(G)
Threshold(Com)
Abnorm Pixel
Threshold
MODE
3. Press the start key. The value is set.
Completion
Press the stop key. The screen for selecting a maintenance item No. is displayed.
Y111960-2
Description
Description
Abnormal pixel count result for color R
Abnormal pixel count result for color G
Abnormal pixel count result for color B
Description
Displaying of abnormal pixel detection
threshold value for color R
Displaying of abnormal pixel detection
threshold value for color G
Setting of abnormal pixel detection thresh-
old value for color B
Abnormal pixel threshold value setting
Switching between white line correction
mode ON/OFF
Service Manual
Setting range Initial setting
- -
- -
0 to 1023 -
0 to 8191 75
0: OFF 0
1: ON
2: Test mode
2KR/2KS
1-3-41