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APPENDIX
A-3
B. Signals/Abbreviations List
What 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’.
1. Signals
ACBTP AC BIAS TIMING PULSE COMMAND
[AE] AE SIGNAL
CBSD COPYBOARD DRIVE SOLENOID DRIVE COMMAND
DCBPWM DC BIAS CONTROL COMMAND
DCTPWM TRANSFER DC BIAS CONTROL COMMAND
DGT0 OSCILLATION SIGNAL 0
DGT1 OSCILLATION SIGNAL 1
DGT2 OSCILLATION SIGNAL 2
HTRD FIXING HEATER DRIVE COMMAND
HVPAC PRIMARY AC BIAS ON COMMAND
HVPDC PRIMARY DC BIAS ON COMMAND
HVPHO PRIMARY DC BIAS HIGH OUTPUT COMMAND
HVTDC TRANSFER DC BIAS ON COMMAND
KEYR0 RETURN SIGNAL 0
KEYR1 RETURN SIGNAL 1
LAPWM LAMP DRIVE COMMAND
[LID] LAMP INTENSITY DETECTION SIGNAL
MMCLK MAIN MOTOR CLOCK PULSE SIGNAL
MMD MAIN MOTOR DRIVE COMMAND
PWOFF POWER OFF COMMAND
PWSON POWER SWITCH ON SIGNAL
PUSD PICK-UP ROLLER SOLENOID DRIVE COMMAND
RELAYED RELAY DRIVE COMMAND
RGSD REGISTRATION SOLENOID DRIVE COMMAND
[TH1] THERMISTOR SIGNAL 1
TREV TRANSFER REVERSE DC BIAS ON COMMAND
VPEAK VOLTAGE PEAK DETECT SIGNAL
ZXDP ZERO CROSS DETECTION SIGNAL