Table of Contents TOC - 12 OKIFAX 5300/5600Service Manual, P/N 59278301(7) Memory Transmission ..............................................................................A - 18(8) Memory Reception ...................................................................................A - 18Report Print Signal (Figure A2.2.6) ...........................................................A - 19Related Signals of CPU Diagram (Figure A3.2.1) ....................................A - 20A3.2 M17 Circuit Diagram ............................................................................................A - 20A3.2.1 M17 Circuit Diagram ...............................................................................A - 20Related Signals of IOGA (Figure A3.2.2) ..................................................A - 21A3.2.2 M17 Circuit Diagram ...............................................................................A - 21A3.2.3 M17 Circuit Diagram ...............................................................................A - 22Block Diagram of FLS, MASK and Real Time Clock (Figure A3.2.3) ....... A - 22Block Diagram of Audio Monitor Circuit (Figure A3.2.4) ........................... A - 23A3.2.4 M17 Circuit Diagram ...............................................................................A - 23Related Signals and Block Diagram of CIS (Figure A3.2.5) ..................... A - 24A3.2.5 M17 Circuit Diagram ...............................................................................A - 24Related Signals of IEXSEED (Figure A3.2.6) ...........................................A - 25A3.2.6 M17 Circuit Diagram ...............................................................................A - 25Related Signals of Modem (Figure A3.2.8)............................................... A - 26A3.2.7 M17 Circuit Diagram ...............................................................................A - 26A3.2.8 M17 Circuit Diagram ...............................................................................A - 27Interface between M17 Board and NCU Board (Figure A3.2.9) ...............A - 28Interface between M17 Board and OPE (Figure A3.2.10) ........................A - 28Related Signals of PC1/PC2 (Figure A3.2.11) ..........................................A - 29Related Signals and Block Diagram of LED Head (Figure A3.2.12)......... A - 30A3.2.9 M17 Circuit Diagram ...............................................................................A - 30Related Signals of Send Motor (Figure A3.2.13) ......................................A - 31A3.2.10 M17 Circuit Diagram .............................................................................A - 31Related Signals of Drum/Resist Motor (Figure A3.2.14)........................... A - 33A3.2.11 M17 Circuit Diagram .............................................................................A - 33Related Signals of Fan Motor (Figure A3.2.15) ........................................A - 34A3.2.12 M17 Circuit Diagram .............................................................................A - 34Figure A3.2.16 Interface between M17 Board and 2'nd Tray .................. A - 35A3.2.13 M17 Circuit Diagram .............................................................................A - 36Sensor Functions ......................................................................................A - 36Sensors and Switch Control (Figure A3.2.17) ..........................................A - 37Fuser Unit Temperature Control (Figure A3.2.18) ....................................A - 38High/Medium Voltage Control (Figure A3.2.19) ........................................A - 39Interface: M17 Board to Optional Memory Board (Figure A3.2.20) ........ A - 40A3.2.14 M17 Circuit Diagram .............................................................................A - 40Interface: M17 Board to CTR Board (PC interface unit) (Figure A3.2.21)A - 41Block Diagram of DRAM (Figure A3.2.22) ................................................A - 43A3.2.15 M17 Circuit Diagram .............................................................................A - 43A3.4 OPE (05W) Circuit Diagram ................................................................................A - 44Block Diagram of OPE (operation unit) (Figure A3.4.1) ............................ A - 45
