NCR 7197 Owner's Manual

Also see for 7197: Owner's manual Owner's manual Guide Parts Identification Manual Wi-fi configuration guide

Contents

NCR 7197 Owner's Manual Manual pdf 51 page image

7197 Owner’s Manual Chapter 3: Solving ProblemsMarch 2002 41Thermal print head temperatureis out of rangeThe print head may overheat when printing ina room where the temperature is above therecommended operating temperature or whenprinting high-density graphics continuously,regardless of the room temperature. In eithercase, the printer will shut off.If the temperature of the print head is too hot,adjust the room temperature or move theprinter to a cooler location.See “EnvironmentalConditions” in AppendixA for the recommendedtemperature range foroperating the printer.If the print head is overheating because ofprinting high density graphics continuously,reduce the demand on the printer.If the printer continues to overheat, contact aservice representative.See “Contacting a ServiceRepresentative” later inthis chapter.Power supply voltage is out ofrangeIf paper is not low and no conditions indicatethat the print head is too hot, the powersupply voltage is out of range. Contact aservice representative.See “Contacting a ServiceRepresentative” later inthis chapter.Receipt Printing is Light or SpottyProblem What to Do Where to GoThermal print head may be dirty Open the receipt cover and clean the thermalprint head with cotton swabs and isopropylalcohol.Caution: Do not use the alcohol to clean otherparts of the printer. Damage will occur.Contact a service representative if this doesnot resolve the problem.See “Cleaning the Printer”in chapter 2.See “Contacting a ServiceRepresentative” later inthis chapter.Note: The thermal print head does not normally require cleaning if therecommended paper grades are used. If non-recommended paper has beenused for an extended period of time, cleaning the print head with thealcohol and cotton swabs will not be of much benefit. See “OrderingThermal Paper” in chapter 1 for recommended paper.