57MGND GroundMIC (-) Handset MicrophoneMIC (+) Handset MicrophoneMMnA Motor Drive SignalMMnB Motor Drive SignalMMpA Motor Drive SignalMMpB Motor Drive SignalMTnA Stepping SignalMTnB Stepping SignalMTpA Stepping SignalMTpB Stepping SignalnACK Peripheral Clock / Data Transfer Acknowledge(Peripheral→Host)nADF1 Paper Feed Roller Solenoid Control SignalnADF2 Paper Feed Roller Solenoid Control SignalnAUTOFD Host Busy(Host→Peripheral)nBPNT Read Point Detection SignalnCCHK1 No Cassette Detection SignalnCCHK2 No Cassette Detection Signal (2nd Cassette)nCD Flash Memory Card Detection SignalnCE1 +5 VDC Power SupplynCE2 Low EnablenCR1 Charge Control DC OutputnCRCK Charge Control DC OutputnDRCK Development +AC ClocknESEN Paper Exit SignalnFAULT Data Available / Error Condition(Peripheral→Host)nFAULT Fan Ready SignalnHSYNC Horizontal Synchronous SignalnINIT Reserve Request / Initialize(Host→Peripheral)nLDON Laser ControlnLEDON LED Enable SignalnMB4 Flash Memory SizenMPOFF Energy Saver Mode Control SignalnOE Read Signal - Low EnablenOP 2nd Feeder Unit Detection SignalnPCHK1 No Paper Sensor Detection SignalnPCHK2 No Paper Detection Signal (2nd Cassette)nPMCK Tetragon Motor ClocknPMON Tetragon Motor Control SignalnPMRY Tetragon Motor Ready SignalnPWSAVE Energy Saver Mode Transport SignalnRSEN Timing Sensor Detection SignalGlossary of Electrical AbbreviationsSignal Name Description
