Canon NP6621 Service Handbook page 132

B. SIGNALS AND ABBREVIATIONS
1. Signals
A/A* HORIZONTAL REGISTRATION / DELIVERY/ DUPLEX MOTOR PHASE A
ACBIAS DEVELOPING AC BIAS VOLTAGE DETECTION signal
AE AE SENSOR OUTPUT signal AE
AEREF AE SENSOR REFERENCE signal AE
ATTH AMBIENT TEMPERATURE THERMISTOR signal
B/B* HORIZONTAL REGISTRATION / DELIVERY/ DUPLEX MOTOR PHASE B
BIASS DEVELOPING DC BIAS VOLTAGE DETECTION signal
BPWM DEVELOPING BIAS DRIVE command
BSHP BLANKING SHUTTER HOME POSITION signal
BSSLD BLANKING SHUTTER SOLENOID DRIVE command
C2SZ1 CASSETTE2 SIZE 1 signal
C2SZ2 CASSETTE2 SIZE 2 signal
C2SZ3 CASSETTE2 SIZE 3 signal
C2SZ4 CASSETTE2 SIZE 4 signal
C3PD CASSETTE3 PAPER DETECTION signal
C3PUCLD CASSETTE3 PICK-UP CLUTCH DRIVE command
C3SZ1 CASSETTE3 SIZE DETECTION1 signal
C3SZ2 CASSETTE3 SIZE DETECTION2 signal
C3SZ3 CASSETTE3 SIZE DETECTION3 signal
C3SZ4 CASSETTE3 SIZE DETECTION4 signal
C3VPD CASSETTE3 VERTICAL PATH PAPER DETECTION signal
C4PD/C5PD CASSETTE4/5 PAPER DETECTION 1 signal
C4PUCLD/C5PUCLD CASSETTE4/5 PICK-UP CLUTCH DRIVE command
C4SZ1/C5SZ1 CASSETTE4/5 SIZE DETECTION 1 signal
C4SZ2/C5SZ2 CASSETTE4/5 SIZE DETECTION 2 signal
C4SZ3/C5SZ3 CASSETTE4/5 SIZE DETECTION 3 signal
C4SZ4/C5SZ4 CASSETTE4/5 SIZE DETECTION 4 signal
C4VPD CASSETTE4 VERTICAL PAPER DETECTION 1 signal
C5VPD CASSETTE5 VERTICAL PAPER DETECTION 1 signal
CCD CONTROL CARD DRIVE command
CCDT CONTROL CARD DETECTION signal
CDC COPY DENSITY CORRECTION signal
CHSLD CHANGE SOLENOID DRIVE command
CL1D DECK PICK-UP ROLLER CLUTCH DRIVE command
CL2D DECK VERTICAL PATH ROLLER CLUTCH DRIVE command
CL3D VERTICAL PATH ROLLER 3 CLUTCH DRIVE command
CL4D DECK LIFTER CLUTCH DRIVE command
CL5D CASSETTE2 PICK-UP CLUTCH DRIVE command
CL6D DUPLE XING UNIT HORIZONTAL REGISTRATION ROLLER CLUTCH DRIVE command
CL7D VERTICAL PATH ROLLER CLUTCH DRIVE command
CMA/CMA* CASSETTE UNIT MOTOR PULSE command A/A*
CMB/CMB* CASSETTE UNIT MOTOR PULSE command B/B*
COMA HORIZONTAL REGISTRATION / DELIVERY/ DUPLEX MOTOR COMMON A signal
COMB HORIZONTAL REGISTRATION / DELIVERY/ DUPLEX MOTOR COMMON B signal
CPD1 CASSETTE PAPER1 DETECTION signal
CPD2 CASSETTE PAPER2 DETECTION signal
CRDOP CASSETTE RIGHT DOOR OPEN DETECTION signal
CS CASSETTE SIZE DETECTION command
CS2 CASSETTE SIZE DETECTION2 command
CS3 CASSETTE SIZE DETECTION3 command
CS4 CASSETTE SIZE DETECTION4 command
CS4PD CASSETTE4 PAPER DETECTION signal
CSZ1 CASSETTE SIZE signal 1
CSZ2 CASSETTE SIZE signal 2
A–2
CSZ3 CASSETTE SIZE signal 3
CSZ4 CASSETTE SIZE signal 4
CVOP CCPYBOARD COVER OPEN signal
DEL DECK LIFTER LIMIT signal
DEOP DECK OPEN signal
DEPRL DECK PICK-UP ROLLER RELEASE SOLENOID DRIVE command
DLD DECK LIFTER POSITION DETECTION signal
DPD DELIVERY DETECTION signal
DUEX DUPLEX PAPER EXIT DETECTION signal
DUIN DUPLEX PAPER INLET DETECTION saignal
DUPD DUPLEXING UNIT PRE-REGISTRATION PAPER DETECTION signal
DURG DUPLEX REGISTRATION PAPER DETECTION signal
DVRPD DECK VERTICAL ROLLER PAPER DETECTION signal
EHTRL EARTH RL DRIVE command RL2
FDFD FEEDING FAN DRIVE signal
FFA/FFA* FUSER FILM MOTOR PULSE command A/A*
FFB/FFB* FUSER FILM MOTOR PULSE command B/B*
FFCB/FFCA FUSER FILM MOTOR VOLTAGE command A/B
FFD FIXING FILM POSITION signal
FLHTOFF FLUORESCENT LAMP HEATER OFF command
FLON FLUORESCENT LAMP ON command
FLPRHT FLUORESCENT LAMP PRE-HEAT command
FLS FLUORESCENT LAMP INTENSITY signal
FLTH FLUORESCENT LAMP THERMISTOR signal
FLTHON FLUORESCENT LAMP HEATER ON command
FMD FUSER FILM MOTOR DRIVE command
HEFD HEATER EXHAUST FAN DRIVE command
HTON HEATER ON DETECTION signal
HTRD HEATER DRIVE command
JCTL DISCHARGE BIAS DRIVE command
JLVCTL DISCHARGE BIAS CHARGE command
LHP LENS HOME POSITION DETECTION signal
LID LIGHT INTENSITY signal
LNSA/LNSA* LENS MOTOR PULSE command A/A*
LNSB/LNSB* LENS MOTOR PULSE command B/B*
LNSCA LENS MOTOR DRIVE command A
LNSCB LENS MOTOR DRIVE command B
LOCK PEDESTAL MOTOR ERROR signal
MFPD MULTIFEEDER PAPER DETECTION signal
MFPUCLD MULTIFEEDER PICK-UP CLUTCH DRIVE command
MFPWD MULTIFEEDER PAPER WIDTH DETECTION signal
MFSLD MULTIFEEDER SOLENOID DRIVE command
MLOCK MAIN MOTOR SPEED STATUS signal
MMD MAIN MOTOR DRIVE signal
MMCLK MAIN MOTOR CLOCK signal
MPWN MAIN PULSE command
PCLSLD PRIMARY CORONA ROLLER CLEANING SOLENOID command
PCTRLS PRIMARY CORONA DETECT PULSE command
PCURS PRIMARY CORONA CURRENT BUFFER signal
PDCS PRIMARY CORONA DETECT command
PEDMD PEDESTAL MOTOR DRIVE command
PEXD PRE-EXPOSURE LAMP LIT command
PUCLD1 CASSETTE1 PICK-UP CLUTCH DRIVE command