41309401TH Rev.4 222 /7.1 Overall Troubleshooting Flow ChartKey operation activatesthe OKIFAX 4550/OKIOFFICE87Perform SELF-DIAGNOSIS.Print test OK?LCD works?ALARM LED lights?(Pressing SELECT FUNCTION key causes"SELECT FUCTION (OT) MEMORY AVALI=100%" to appear on LCD?Pressing STOP key makes a key touch-tone?)YesRAM check OK?YesFLASH memory check OK?YesLocal copy OK?YesTransmission problem?NoAuto dial OK?YesAuto reception OK?YesReception problem?NoStartVerify symptom.Go to 7.2 (No LCD operation).Go to 7.3 (ALARM LED on).NoReplace MCNT and/or OPE (O4W) unit.Go to 7.4 (Printing test failure).Replace FLASH memory(s) on MCNTboardGo to 7.5 (No local copy).Go to 7.6 (Auto dial failure).Go to 7.7 (Transmission problem).Go to 7.8 (Auto reception failure).Go to 7.9 (Reception problem).Note*:Replace RAM(s)(RAM2, 3 on 46F board)(RAM1 on R46 board)YesNoNoNoNoNoNoYesNoYesYesNoYes OPT-RAM "OK" or "NG" isprinted when the MEMORY board(Option) is inserted on the MCNTboard.Note: 46F/R46 board for OKIFAX4550/OKIOFFICE87 is shown as MCNT.
