Sharp FO IS125N - B/W Laser - All-in-One Service Manual page 16

FO-IS125N
3.2. MC Voltage Check Point
CAUTION - HIGH VOLTAGE
The unit's back cover should never be opened by anyone other than
a qualified serviceperson. There are many high voltage parts inside
the unit, and touching them is dangerous.
1) MC Voltage
Voltage(v)
300Hz
2 – 3
GND (-)
(J3 or Chassis Frame)
MC Voltage Check Point (-)
(There is danger of an electric shock!)
Use Measuring instrument:
Input Resistance : more than 100 MΩ
Maximum Voltage : more than 2 kV
VOLTAGE
MC : - 950 V ± 20 V (PRINTING)
MC : - 850 V ± 20 V (CLEANING)
Time(s)
Type
-570V
-950V
-1330V
Tolerance
± 67V
± 20V
± 67V