Ricoh FT6645 Manual page 75

DEVELOPMENT
3) Manual ID Selection Position Compensation (V
According to the manual ID selection position, the bias is compensated as
follows:
Exposure
Lamp Voltage
V
BM
(negative)
V : Exposure lamp voltage at ID level 4. This value is determined at
LAMP
process control data initial setting.
4) User Tool Mode ID Selection Compensation (V
In the User Tool mode, the image density level can be selected from five
steps. The V is determined by the User Tool ID position setting as follows:
BU
V
BU
(negative)
Lighter
V +4.5
LAMP
V +3.0
LAMP
V +0.5
LAMP
→
V
LAMP
V –1.5
LAMP
V –3.5
LAMP
V –5.5
LAMP
–90
–60
0
7 6
Lighter
–60
–30
5 4
0
+30
+60
BM
Darker
5 4 3 2 1
BU
Darker
3 2 1
User Tool
ID Position
2-50
23 April 1993
)
Manual ID Position
)