Ricoh A219 Service Manual page 55

OPTICS
2) Image Density Adjustment Factor (SP34)
Depending on the SP34 setting, the development bias and the exposure
lamp settings are increased or decreased during ADS mode.
SP34 Setting Setting
0 Normal
1 Light
2 Dark
3 Lightest
4 Darkest
1 step = 0.5 V (120 V machines) or 1.0 V (230 V machines)
3) Manual Image Density Setting Factor
Depending on the manual image density setting on the operation panel, the
exposure lamp voltage is changed as shown in the table below:
Darker
Manual ID
1
Level
Exposure
V – 6
0
Lamp Voltage
steps
Factor
Development
Bias Voltage –200
(Volts)
1 step = 0.5 V (120 V machines) or 1.0 V (230 V machines)
A219
CÓPIA NÃO CONTROLADA
Dev. Bias Exposure Lamp
0
–40 V
+40 V
–40 V
+40 V
2 3
V – 4 V – 2
0 0
steps steps
–200 –200 –200
2-12
CÓPIA NÃO CONTROLADA
0
0
0
+4 steps
–4 steps
4 5 6
V + 2 V + 6
0 0
V
0
steps steps
–200 –240
V : Base lamp voltage setting (SP48)
0
Lighter
7
V + 12
0
steps
–240
SM