Axiohm 7156 Especificações

NCR 7156 Multifunction PrinterMICR Operation andTrouble-Shooting GuideB005-0000-1057Issue A

2 Chapter 1: 7156 MICR OperationSelect a MICR encoded bank check or similar document. Make surethat the test document is of high quality and fits the

Chapter 1: 7156 MICR Operation 3SlipTableExtendedSlip TableENDORSE HERERESERVED FOR FINANCIAL INSTI TUTION USECheck OrientationGuideLEDMICR Character

4 Chapter 1: 7156 MICR Operation• For any MICR document, check for “?” character misreads, andserious misread problems such as “NO MICR CHARACTERS”,

Chapter 2: Troubleshooting 5Chapter 2: TroubleshootingThis chapter outlines the causes and solutions for the most commonMICR problems you may encoun

6 Chapter 2: TroubleshootingCheck the following to determine the cause of the problem.Printer HookupBefore document feeding is enabled the printer co

Chapter 2: Troubleshooting 7• Reinsert the slip correctly so that the indicator LED turns on. Thenpull the slip straight to the left about 1/4 inch.

8 Chapter 2: TroubleshootingDocument Inserted IncorrectlyVerify that the document is being inserted correctly with the MICRcharacters face down. See

Chapter 2: Troubleshooting 9printer and the monitor, and an angular orientation of the monitor tothe printer.Improper System Ground BondingThe metal

10 Chapter 2: TroubleshootingFaulty Read headReadHeadHarnessBuckCoilHarnessBuckCoilBuckCoil LeadsPrintMechanismMICRSolenoidHarnessTo test the MICR re

Chapter 2: Troubleshooting 11MICRAssemblyPositioningBossSiliconeFluidSiliconeFluidPushRead HeadCaution: When replacing the read head assembly, make

The product described in this book is a licensed product of NCR Corporation.Axiohm is the registered trademark of Axiohm.It is the policy of NCR Corpo

12 Chapter 2: TroubleshootingDegraded Buck Coil ConnectionsSet the printer for the MICR adjustment and print out a few readings.For more information,

Chapter 2: Troubleshooting 13• Read head and buck coil, leads-to-frame: greater than 10 MegOhms.Isolate and repair any connection for which the res

14 Chapter 2: TroubleshootingJ17A MICRBuckheadJ17B MICRReadhead• If the test result is not “NO MICR CHARACTERS,” either theamplifier board or the co

Chapter 2: Troubleshooting 15continuous, square contact between the document and the MICR readhead.Check the following to determine the cause of the

16 Chapter 2: TroubleshootingSuppressed Read head MotionMICR ReadheadFoamPadPrintheadCarriageWhile actuating the Paper Feed button, verify that the r

Chapter 2: Troubleshooting 17PrintheadCarriageFoamPad Insert Foam Pad HereBottom View ofCarriage AssemblyTo confirm the condition of the foam pad, op

18 Chapter 2: TroubleshootingThe read head must maintain a line of total contact with the black foampad on the print head carriage. To examine the li

Chapter 2: Troubleshooting 19Bumps on Paper Feed RollsFrontCoverPressureRollerFeedRollerOpen the front cover and slowly rotate the feed and pressure

20 Chapter 2: Troubleshooting

Chapter 3: In-Place MICR Adjustment 21Chapter 3: In-Place MICR AdjustmentUse this adjustment to the MICR amplifier to provide the mosteffective interf

MICR Operation and Trouble-Shooting Guide iPrefaceUse this book as a reference manual and troubleshooting guide whenservicing the MICR reader. The boo

22 Chapter 3: In-Place MICR Adjustment4. Press the RESET button or press the Online button off and then onagain to enable the new DIP switch settings

Chapter 3: In-Place MICR Adjustment 23• For single-board printers (the MICR adjustment pots are visiblefrom the front), raise the front cover and rem

24 Chapter 3: In-Place MICR AdjustmentPaperTop of PrinterPaper Feed ButtonPotentiometersLedFront of PrinterPaperMICR ReadHeadFront CoverPotentiometer

Chapter 3: In-Place MICR Adjustment 25PaperTop of PrinterPaper Feed ButtonPotentiometersShallow PotDeep PotLedMICR ReadHeadCarriage AssemblyFeed RollA

26 Chapter 3: In-Place MICR AdjustmentPrintout Value Meaning“OK” Optimum setting“ABCDE” or“ABCDEF”Maximum acceptable interference“ABCDEFG” andgreaterI

B005-0000-1057 Dec. 1998 Printed on recycled paper

ii MICR Operation and Trouble-Shooting Guide

MICR Operation and Trouble-Shooting Guide iiiTable of ContentsChapter 1: 7156 MICR OperationMICR Setup and Read Test...

iv MICR Operation and Trouble-Shooting GuidePlaten Gap Tightness...19Chapter 3: In-Place MICR AdjustmentS

MICR Operation and Trouble-Shooting Guide vRevision RecordIssue Date RemarksA Dec 97 First printing

vi MICR Operation and Trouble-Shooting GuideRadio Frequency Interference StatementsFederal Communications Commission (FCC)Information to UserThis equi

Chapter 1: 7156 MICR OperationMICR (Magnetic Ink Character Recognition) is a feature of the 7156printer which transforms the slight magnetic properti