Troubleshooting Problems 2-29Amber LED Blinking (Fast)Cause What to Do Where to GoReceiptpaper is outChange the paper now. Do not run atransaction without paper as the datamay be lost.Refer to Loadingand Changing theReceipt Printer onpage 22.Receiptcover isopenClose the cover. The printer will notoperate with the cover open.Knife failure Open the receipt cover and check theknife. Clear any jammed paper you cansee. Tear off any excess paper againstthe tear–off blade.Contact a service representative if thisdoes not resolve the problem.Refer to Amber LEDBlinking (Fast)above.AC supplyvoltage isout of rangeIf paper is not low and no conditionsindicate that the thermal print head istoo hot, then it is likely that the powersupply voltage is out of range.Contact a service representative if thisdoes not resolve the problem.Refer to Contactinga ServiceRepresentative onpage 35.