Troubleshooting 7 - 12 OKIFAX 5300/5600Service Manual, P/N 592783017.1.9 Reception ProblemThis section explains how to localize the cause of problems occurred after completion of connectionwith a remote station.Solved?StartStep 1:NoReturn to Sect 7.1.1Set MH ONLY (Technical functionNo. 13) to ON.Set HIGH-SPEED MODEM RATE(Tech func No. 14) to 4800 bps.Step 2:Solved?YesAdjust equalizing level.(Technical function No. 21)Step 3:Solved?YesSet ECHO PROTECTION (TechFunc No. 12) to "ON".Step 4:Solved?AYesNoNoNoYes