Service manual

AR-203E/5420/M200/M201 ELECTRICAL SECTION 13 - 7
/RD Control signal MCU bus control signal FAX optional section
/RRS 1st transport solenoid Paper transport section
/RSV_SOL Reverse solenoid RSPF section
/SFTMT0 Shifter motor Shifter motor phase control Shifter motor section
/SFTMT1 Shifter motor Shifter motor phase control Shifter motor section
/SFTMT2 Shifter motor Shifter motor phase control Shifter motor section
/SFTMT3 Shifter motor Shifter motor phase control Shifter motor section
/SPUS Paper feed solenoid RSPF section
/SRVC Reverse clutch RSPF section
/SYNC Laser Horizontal sync signal from the LSU LSU
/TC HV TC signal Transfer charger grid control Process section
/VFMCNT Fan speed signal Fan rotation speed control Optical section
/VIDEO Laser Laser drive signal LSU
BZR Buzzer signal Buzzer Operation section
CCD_PHI1 CCD CCD control signal Scanner unit section
CCD_PHI2 CCD CCD control signal Scanner unit section
CCD-CP CCD CCD control signal Scanner unit section
CCD-RS CCD CCD control signal Scanner unit section
CCD-TG CCD CCD control signal Scanner unit section
CED1 Machine cassette detection Paper transport section
CED2 2nd CS cassette detection 2nd cassette section
DVSEL Developing tank detection Developing section
FANLK Fusing fan Fan lock detection signal Optical section
FW Low voltage power Zero cross detection Power section
HLOUT Heater lamp Heater lamp control Power section
KEYIN Key scan input Key detection control Operation section
KEYSC1 Key scan output Key scan output Operation section
KEYSC2 Key scan output Key scan output Operation section
KEYSC3 Key scan output Key scan output Operation section
LCDCON LCD control signal Signal for LCD Operation section
LCDDB4 LCD data signal Signal for LCD Operation section
LCDDB5 LCD data signal Signal for LCD Operation section
LCDDB6 LCD data signal Signal for LCD Operation section
LCDDB7 LCD data signal Signal for LCD Operation section
LCDE LCD control signal Signal for LCD Operation section
LCDRS LCD control signal Signal for LCD Operation section
LEDPOD POD sensor power Paper exit section
LEDPPD1 PPD sensor power Paper transport section
LEDPPD2 PPD2 sensor power Fusing section
LEDSCOD SCOD sensor power RSPF section
LEDSPID SPID sensor power RSPF section
LEDSPID SPID sensor power SPF section
LEDSPPD SPPD sensor power RSPF section
LEDSPPD SPPD sensor power SPF section
LEDSRJD SRJD sensor power RSPF section
MCU_D0 Data signal MCU bus control signal FAX optional section
MCU_D1 Data signal MCU bus control signal FAX optional section
MCU_D2 Data signal MCU bus control signal FAX optional section
MCU_D3 Data signal MCU bus control signal FAX optional section
MCU_D4 Data signal MCU bus control signal FAX optional section
MCU_D5 Data signal MCU bus control signal FAX optional section
MCU_D6 Data signal MCU bus control signal FAX optional section
MCU_D7 Data signal MCU bus control signal FAX optional section
MCU_INT MCU interrupt MCU bus control signal FAX optional section
MCU_NCS Control signal MCU bus control signal FAX optional section
MHPS MHPS sensor Carriage HP detection Optical section
MMLD Main motor Polygon motor ON/OFF detection signal Main drive section
MODEM_IN FAX connection detection signal FAX optional section
ONL Online LED Operation section
OP_CLK LED driver control Operation section
OP-DATA LED driver control Operation section
OP-LATCH LED driver control Operation section
OUTA- Scanner motor Scanner motor phase control Optical drive section
OUTA+ Scanner motor Scanner motor phase control Optical drive section
Signal name Name Function/Operation Section