Service manual

AR-203E/5420/M200/M201 ELECTRICAL SECTION 13 - 8
OUTB- Scanner motor Scanner motor phase control Optical drive section
OUTB+ Scanner motor Scanner motor phase control Optical drive section
PB_ADDR0 Address signal Peripheral bus control signal FAX optional section
PB_ADDR1 Address signal Peripheral bus control signal FAX optional section
PB_ADDR2 Address signal Peripheral bus control signal FAX optional section
PB_ADDR3 Address signal Peripheral bus control signal FAX optional section
PB_ADDR4 Address signal Peripheral bus control signal FAX optional section
PB_ADDR5 Address signal Peripheral bus control signal FAX optional section
PB_ADDR6 Address signal Peripheral bus control signal FAX optional section
PB_ADDR7 Address signal Peripheral bus control signal FAX optional section
PB_DATA0 Data signal Peripheral bus control signal FAX optional section
PB_DATA1 Data signal Peripheral bus control signal FAX optional section
PB_DATA2 Data signal Peripheral bus control signal FAX optional section
PB_DATA3 Data signal Peripheral bus control signal FAX optional section
PB_DATA4 Data signal Peripheral bus control signal FAX optional section
PB_DATA5 Data signal Peripheral bus control signal FAX optional section
PB_DATA6 Data signal Peripheral bus control signal FAX optional section
PB_DATA7 Data signal Peripheral bus control signal FAX optional section
PB_NAE0 Control signal Peripheral bus control signal FAX optional section
PB_NCS1 Control signal Peripheral bus control signal FAX optional section
PB_NOE Control signal Peripheral bus control signal FAX optional section
PB_NWE Control signal Peripheral bus control signal FAX optional section
PD1 PD SW sensor 1st CS paper width sensor Paper transport section
PD2 PD2 SW sensor 2nd CS paper width detection 2nd cassette section
PMCLK_A Polygon motor Clock signal to the polygon motor LSU
PMRDY Polygon motor Polygon motor ON/OFF detection signal LSU
POD POD sensor Paper transport detection Paper exit section
PPD1 PPD sensor Paper transport detection Paper transport section
PPD2 PPD2 sensor Paper transport detection Fusing section
PPD3 PPD3 sensor 2nd CS paper transport detection 2nd cassette section
PSL Power save LED Operation section
PSW Start button control Operation section
RTH_IN Thermistor Fusing section thermistor temperature detection Fusing section
SCOD SCOD sensor RSPF cover open sensor RSPF section
SELIN1 Select signal HC151 select signal Operation section
SELIN2 Select signal HC151 select signal Operation section
SELIN3 Select signal HC151 select signal Operation section
SHOLD Laser Laser APC signal LSU
SPID SPID sensor RSPF UN paper entry sensor RSPF section
SPID SPID sensor SPF UN paper entry sensor SPF section
SPMT_0 RSPF motor RSPF motor phase control RSPF section
SPMT_0 SPF motor SPF motor phase control SPF section
SPMT_1 RSPF motor RSPF motor phase control RSPF section
SPMT_1 SPF motor SPF motor phase control SPF section
SPMT_2 RSPF motor RSPF motor phase control RSPF section
SPMT_2 SPF motor SPF motor phase control SPF section
SPMT_3 RSPF motor RSPF motor phase control RSPF section
SPMT_3 SPF motor SPF motor phase control SPF section
SPPD SPPD sensor RSPF transport detection RSPF section
SPPD SPPD sensor SPF transport detection SPF section
SRJD SRJD sensor RSPF paper exit sensor RSPF section
STROBE LED driver control Operation section
TCS Toner sensor Toner quantity detection Developing section
TMA_O Toner motor Toner motor phase control Toner motor drive section
TMA_O Toner motor Toner motor phase control Toner motor drive section
TMB_O Toner motor Toner motor phase control Toner motor drive section
TMB_O Toner motor Toner motor phase control Toner motor drive section
USB +D USB signal USB section
USB -D USB signal USB section
VCL Copy lamp Copy lamp control Scanner unit section
VFMOUT Fusing fan Fan drive signal Optical section
Signal name Name Function/Operation Section