COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR2200/iR2800/iR3300 REV.0 MAR. 2001CHAPTER 4 TROUBLESHOOTING IMAGE FAULTS/MALFUNCTIONS4-77 T6.6.1 OthersElectrical signal (target) Reference to general I/O address RemarksName circuit diagram I/O indicationSP1 (FAX-CON) A3-1-ESpeaker6.6.2 PCBsRef. Description RemarksName[1] Controls the fax system.G3 FAX control PCB[2] Serves as an interface between 100V and 120V models useNCU PCB telephone line and fax system. different interfaces.[3] Connects a modular cable. 100V and 120V models useG3 modular PCB different interfaces.[4] Stores firmware for the fax 16M bitDIMM system.[5] Generates a pseudo CI signal. 100VPseudo CI PCB[6] Detects off-hook state of the 120VOff-hook detection PCB telephone
