Xerox Phaser 3117 - Page 31

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Service Manual
System Overview
3-18
- Output Voltage Falling Time : 50 ms Max
- Output Loading range : 10Mߟ ~ 1000
- Output Control Signal (BIAS-PWM) : the CPU output is HV output when PWM is low.
4) Supply
- Output Voltage : -550 V 8.6%(ZENER using, DEV )
- Input contrast of the output stability degree : under 5 %
- Loading contrast : 5 % or less
- Output Voltage Rising Time : 50 ms Max
- Output Voltage Falling Time : 50 ms Max
- Output Loading range : 10 ~ 1000
- Output Control Signal (BIAS-PWM) : the CPU is HV output when PWM is low.
MHV
OPC
DEV
THV
Supply
CN3
LED1
(Error LED)
CN1
LED2
(Toner Save LED)
Switch
Micro Switch
Input