Lexmark W820 Service Manual page 340

BD14 I/O PWB↔MCU PWB (3 of 7)
The following table shows the signal names for this BD:
Signal Name
CRU$DATA
CRUM$PWR
STS##FSR1
SNR#FUT
SNR#STK
SOL$EGATE
OMOT$REV
OMOT$FWD
SNR#FEXIT
CL$RGATE
CL$FEED1
STS##FSR2
L/H$INTLK
CRU$CLK
DMOT#PHS
MMOT$PWM
MC#CLK
SNR##SIZE1
SNR#LVL1
SNR#REGI
SNR#NOP1
5-34
Service Manual
4025-XXX
Description
Input the CRU Memory
Switches on and off the CRU Memory
Analog signal from the Fuser Thermistor
Signal from the Face Up Sensor. 5V=Not actuated. 0V=Actuated
Signal from the Full Stack Sensor. 5V=Actuated. 0V=Not actuated
Switches the Gate Solenoid. 24VDC=Not actuated. 0V= Actuated
Switches the Offset Motor into reverse. 5V=On. 0V=Off
Switches the Offset Motor forward. 5V=On. 0V=Off
Signal from the Fuser Exit Sensor. 5V=Not actuated. 0V=Actuated
Switches Registration Clutch. 24V=Not actuated. 0V=Actuated
Switches Tray 1 Feed Clutch. 5V=Not actuated. 0V=Actuated
Analog signal from the Fuser Thermistor
Signal from the Left Front Cover Interlock Switch. 5V=Actuated. 0V=Not
actuated
Clock signal for the CRU Memory
Monitors Developer Motor. 5V=Operation problem. 0V=Operation normal
Signal that varies the speed of the Main Motor
Clock signal for the Main Motor
Analog signal from Tray 1 Size Sensor. 0V ~ 5V
Signal from Tray 1 Paper Level Sensor. 5V=Actuated. 0V=Not actuated
Signal from the Registration Sensor. 5V=Not actuated. 0V=Actuated
Signal from Tray 1 No Paper Sensor. 5V=Not actuated. 0V=Actuated