Xerox DOCUPRINT N17 Service Manual page 221

5. MCU ↔ HVPS
Signal Name
5V-LD
STS
BTR SIG
/REFEED SNR
NO PAP1
/BCR DC ON
/DB AC ON
BTR +/- ON
/BCR AC ON
/BTR ON
/DB DC ON
CRU SNR
/EXIT SNR
/DUP PRES
/DTS ON
BTR MONITOR Signal used for measuring the Transfer Current on the BTR (analog
/DUP MOT ON
DUP MOT CLK
5V-INTLK
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+5V power source to the Laser Diode (0V when the Front Cover is
open or when the Fuser Unit is not in place)
Signal from the temperature sensor which detects the temperature of
the Fuser Heat Roll (analog signal)
Signal for setting the Transfer Current (analog signal)
Signal for monitoring the paper passing through the Duplex Unit (Low
level when paper is at the sensor, and HIGH level when paper is not
at the sensor)
Signal for detecting the presence/absence of paper in Tray 1
Signal for switching on or off the application of the Charge Voltage
(DC component) to the BCR (Normally LOW level, and HIGH level
only when applying the charge voltage)
Signal for switching on or off the application of the Development
Voltage (AC component) to the Magnet Roll (Normally LOW level,
and HIGH level only when the Development Voltage is applied)
Signal for switching the polarity of the Transfer Voltage (LOW level
when selecting "+" and HIGH level when selecting "-")
Signal for switching on or off the application of the Charge Voltage
(AC component) to the BCR (Normally LOW level, and HIGH level
only when applying the Charge Voltage)
Signal for switching on or off the application of the Transfer Voltage
(Normally LOW level, and HIGH level only when applying the
Transfer Voltage)
Signal for switching on or off the application of the Developing
Voltage (Normally LOW level, and HIGH level only when applying the
Transfer Voltage)
Signal for detecting if the CRU is in place or not (LOW level when the
CRU is in place and HIGH level when the CRU is not in place)
Signal for monitoring the paper passing the exit part of the Fuser Unit
Signal for detecting if the Duplex Unit is installed or not (LOW level
when the Duplex Unit is in place and HIGH level when the Duplex
Unit is not in place)
Signal for switching on or off the application of a voltage to the
eliminator plate (Normally LOW level, and HIGH level only when
applying the voltage)
signal)
Signal for switching on or off the Motor of the Duplex Unit
Reference clock for driving the Motor of the Duplex Unit
Refer to "1. LVPS ↔ MCU (XC Specifications)"
6/98
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6-25
Description
Wiring Data