Canon PC800 Series Service Handbook

Also see for PC800 Series: Service manual

Contents

dc controller pcb

A-3B. Signals and Abbreviations1. SignalsACBIAS AC BIAS OSCILLATION signal[AE] AE SENSOR OUTPUT signalAEREF AE SENSOR REFERENCE signalBIAS_PWM DC BIAS CONTROL signalBIAS_S DC BIAS MONITOR signalCLK32K TRANSFORMER CONTROL signalCPUSD CASSETTE PICKUP SOLENOID DRIVE signalDPD DELIVERY PAPER DETECTION signalDV_AC_ON DEVELOPING AC BIAS ON signalDV_DC_ON DEVELOPING DC BIAS ON signalE0_DT E0 DETECTION signalFM1D SCANNER COOLING FAN DRIVE signalHEAT_ERR FIXING HEATER ERROR signalHEAT_OFF FIXING HEATER OFF signalHEAT_PWM FIXING HEATER DUTY signalHEAT_TRG FIXING HEATER DRIVE signalLAMP_DETECT LAMP ACTIVATION DETECTION signalLAMP_ON SCANNING LAMP ACTIVATION signalLHP LENS HOME POSITION signalLNSLD LENS SOLENOID DRIVE signalMFSLD MULTIFEEDER PICKUP SOLENOID DRIVE signalMLOCK MAIN MOTOR CONSTANT SPEED signalMMCLK MAIN MOTOR CLOCK PULSE signalMMD MAIN MOTOR DRIVE signalPAC_OUT PRIMARY CORONA AC BIAS signalPAC_S PRIMARY CORONA AC DETECTION signalPDC_PWM DC BIAS CONTROL signalPDC_S DC VOLTAGE MONITOR signalPDP VERTICAL PATH ROLLER PAPER DETECTION signalPR_DC_ON PRIMARY CHARGING DC BIAS ON signalPUSLD PICKUP CLUTCH SOLENOID DRIVE signalPWM_1KHz SCANNING LAMP INTENSITY ADJUSTMENT signalPWOFF POWER SWITCH OFF signalRGSLD REGISTRATION CLUTCH SOLENOID DRIVE signalRLOFF RELAY DRIVE signalRPD PRE-REGISTRATION ROLLER PAPER DETECTION signalSB_LP SIDE BLANK EXPOSURE LAMP ON signalSC_A SCANNER MOTOR PULSE signal ASC_B SCANNER MOTOR PULSE signal BSC_COM SCANNER MOTOR DRIVE signalSCHP SCANNER HOME POSITION signalSFPD SINGLE-FEEDER PAPER DETECTION signalT_FEEDBACK TRANSFER BIAS VOLTAGE DETECTION signalT_FW_DRV TRANSFER DC BIAS CONTROL signalT_FW_ON TRANSFER DC BIAS ON signalT_FW_S TRANSFER CURRENT DETECTION signalT_REV_ON TRANSFER POSITIVE DC BIAS ON signalTH1 FIXING THERMISTOR signalTH2 SCANNER THERMISTOR signal2. AbbreviationsAER AE (MEASUREMENT) ROTATIONINTR INITIAL ROTATIONLSTR LAST ROTATIONSCFW SCANNER FORWARDSCRV SCANNER REVERSESTBY STANDBYWhat follows below is a list of signals and abbreviations used in the chapters of the manual and circuit diagrams.The abbreviations within parentheses represent analog signals, which cannot be expressed in terms of ‘1’ or ‘0’.