SHARP
ELECTRICAL
19
High Voltage Settings
Note:
The adjustment value of each colour mode is specified on the information label attached to the
MC/DV High Voltage Power PWB.
Using Simulation 8-01 (DV Bias Setting) & Sim 8-02 (MC Grid Bias Setting), enter the values
specified, especially after replacing the PCU PWB, EEPROM or following U2 trouble.
DV BIAS VOLTAGE – SIMULATION 08-01
Item
Mode
Adjustment Range
Actual Voltage
MX2640/3140N
MX3640N
Middle Speed
DV Bias Voltage
K
0-600
-450
+/- 5V
-450
+/- 5V
C
M
Y
Low Speed
DV Bias Voltage
K
-450
+/- 5V
-450
+/- 5V
C
-430
+/- 5V
-430
+/- 5V
M
-430
+/- 5V
-430
+/- 5V
Y
-430
+/- 5V
-430
+/- 5V
MAIN CHARGE GRID VOLTAGE – SIMULATION 08-02
Item
Mode
Adjustment Range
Actual Voltage
MX2640/3140N
MX3640N
Middle Speed
MC Grid Voltage
K
150-850
-620V
+/- 5V
-625V
+/- 5V
C
M
Y
Low Speed
MC Grid Voltage
K
-610V
+/- 5V
-610V
+/- 5V
C
-590V
+/- 5V
-590V
+/- 5V
M
-590V
+/- 5V
-590V
+/- 5V
Y
-590V
+/- 5V
-590V
+/- 5V