Olivetti d-Copia 1600 Service Manual page 61

Maintenance
item No.
Setting the exposure density gradient
U093
Description
Changes the exposure density gradient in manual density mode, depending on respective image modes (text,
text and photo, photo).
Purpose
To set how the image density is altered by a change of one step in the manual density adjustment. Also used
to make copy image darker or lighter.
Start
1. Press the start key.
2. Select the image mode to be adjusted using the image mode selection key.
Image mode LEDs
: Off,
Setting
1. Select the item to be set using the exposure adjustment keys.
2. Adjust the setting using the zoom +/- keys.
Exposure
indicator
Exp. 1
Exp. 2
Increasing the setting makes the change in density larger, and decreasing it makes the change smaller.
3. Press the start key. The value is set.
Supplement
While this maintenance item is being executed, test copying from an original is available.
Completion
Press the stop/clear key. The indication for selecting a maintenance item No. appears.
: On
Description
Change in density when manual density is set dark
Change in density when manual density is set light
Image density
Dark
Set to LIGHTER
Light
Light
Density adjustment range: Normal
Density adjustment range: Special area
Description
Description
Density in text mode
Density in text and photo mode
Density in photo mode
Setting: 3 Setting: 0
Set to DARKER
Center Dark
Figure 1-3-13
Setting
range
0 to 3
0 to 3
Density adjustment
2HA/2HB
Initial
setting
0
0
1-3-29