Epson TM U200D - B/W Dot-matrix Printer Manual de servicio

ConfidentialService manualTM-U200 Series (Type B)English400852401Issued date , , Issued byEPS

vi Rev. BConfidentialChapter 5 Disassembly, Assembly, and AdjustmentSmall Part Specifications . . . . . . . . . . . . . . . . . . . . . . . . .

4-18 Troubleshooting Rev. BConfidentialENDENDENDYesYesNoNoNoAction 3Turn the printer power off.Does external powersupply have proper outputvoltage r

Rev. B Troubleshooting 4-19TM-U200 Series (Type B) Service ManualConfidentialENDENDYesNoAction 4Replace main PCB.Replace printerOK?Action 4mechanism

4-20 Troubleshooting Rev. BConfidential

Rev. B Disassembly, Assembly, and Adjustment 5-1TM-U200 Series (Type B) Service ManualConfidentialChapter 5Disassembly, Assembly, and AdjustmentSmal

5-2 Disassembly, Assembly, and Adjustment Rev. BConfidentialDisassemblyRemoving the fuse1. Turn off the printer.2. Disconnect the external power sup

Rev. B Disassembly, Assembly, and Adjustment 5-3TM-U200 Series (Type B) Service ManualConfidentialRemoving the print head unit 1. Remove 4 screws, a

5-4 Disassembly, Assembly, and Adjustment Rev. BConfidential4. Remove the ribbon frame spring and ribbon frame fixing plate; then remove the ribbon

Rev. B Disassembly, Assembly, and Adjustment 5-5TM-U200 Series (Type B) Service ManualConfidentialRemoving the auto-cutter 1. Open the main cover as

5-6 Disassembly, Assembly, and Adjustment Rev. BConfidentialRemoving the main circuit board assembly1. Remove the lower plate.2. Remove the interfac

Rev. B Disassembly, Assembly, and Adjustment 5-7TM-U200 Series (Type B) Service ManualConfidential3. Disconnect 5 cables.4. Remove 5 screws.5. Follo

Rev. B viiTM-U200 Series (Type B) Service ManualConfidentialMain Assembly 7 (Case Unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-8 Disassembly, Assembly, and Adjustment Rev. BConfidentialSub-assembly APaper feed frame unit assembly1. Apply G-31 to the middle of the paper hol

Rev. B Disassembly, Assembly, and Adjustment 5-9TM-U200 Series (Type B) Service ManualConfidential4. Attach the paper feed reduction gear to its sha

5-10 Disassembly, Assembly, and Adjustment Rev. BConfidential7. Attach the paper feed motor to the paper feed frame assembly with a screw. 8. By fit

Rev. B Disassembly, Assembly, and Adjustment 5-11TM-U200 Series (Type B) Service ManualConfidential9. Insert the ends of the paper hold roller shaft

5-12 Disassembly, Assembly, and Adjustment Rev. BConfidential✔Check that the corner edge of the paper hold plate spring is placed on the paper feed

Rev. B Disassembly, Assembly, and Adjustment 5-13TM-U200 Series (Type B) Service ManualConfidential✔Check that the ribbon switch lever and ribbon re

5-14 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 2 Tension plate assembly1. Insert the tab of the tension plate assembly i

Rev. B Disassembly, Assembly, and Adjustment 5-15TM-U200 Series (Type B) Service ManualConfidential3. Attach the screws. ✔Check that the paper hold

5-16 Disassembly, Assembly, and Adjustment Rev. BConfidential2. Hook the paper feed motor cable to hook A on the base frame assembly. Make sure to r

Rev. B Disassembly, Assembly, and Adjustment 5-17TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 6 Carriage shaft assembly✔Pass the

viii Introduction Rev. BConfidentialIntroductionTM-U200 Series (Type B) printers are one-station printers for ECR and POS use that can print the res

5-18 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 7 Adjustment roller shaft holder assembly1. Attach the adjustment roller

Rev. B Disassembly, Assembly, and Adjustment 5-19TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 8 Carriage guide shaft assembly1. I

5-20 Disassembly, Assembly, and Adjustment Rev. BConfidential3. Move the belt tension spring from the paper feed frame’s hook to the base frame hook

Rev. B Disassembly, Assembly, and Adjustment 5-21TM-U200 Series (Type B) Service ManualConfidential5. Position the paper detection switch sub assemb

5-22 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 12 Print head FPC assembly1. After folding the projections of print head

Rev. B Disassembly, Assembly, and Adjustment 5-23TM-U200 Series (Type B) Service ManualConfidential✔The projections of print head FPC must be held w

5-24 Disassembly, Assembly, and Adjustment Rev. BConfidential3. Place the print head FPC under the hooks on the carriage sub assembly, and then secu

Rev. B Disassembly, Assembly, and Adjustment 5-25TM-U200 Series (Type B) Service ManualConfidential2. Attach the dowel of the right cover fixing pla

5-26 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 15Ribbon frame earth plate1. Put the ribbon frame earth plate in the carr

Rev. B Disassembly, Assembly, and Adjustment 5-27TM-U200 Series (Type B) Service ManualConfidential2. Apply G-31 to the tip of release point of the

Rev. B Features and General Specifications 1-1TM-U200 Series (Type B) Service ManualConfidentialChapter 1Features and General SpecificationsFigure 1

5-28 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 17Thumb-screw and head cover1. Place the thumb-screw into the hole in the

Rev. B Disassembly, Assembly, and Adjustment 5-29TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 1 (Case Unit)Lower cutter plate ass

5-30 Disassembly, Assembly, and Adjustment Rev. BConfidentialMain Assembly 2 (Case Unit)Upper plate assembly1. Turn over the printer mechanism assem

Rev. B Disassembly, Assembly, and Adjustment 5-31TM-U200 Series (Type B) Service ManualConfidentialNote:When you remove the upper plate, lift it up

5-32 Disassembly, Assembly, and Adjustment Rev. BConfidential✔Make sure to use the correct screw for each location.CP(0)(M3x6)[0.59 to 0.78 N • m(6

Rev. B Disassembly, Assembly, and Adjustment 5-33TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 4 (Case Unit)Inserting the cables1.

5-34 Disassembly, Assembly, and Adjustment Rev. BConfidential2. Bring out the paper feed motor and carriage motor cables through portion C and the s

Rev. B Disassembly, Assembly, and Adjustment 5-35TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 6 (Case Unit)Manual cutter assembly

5-36 Disassembly, Assembly, and Adjustment Rev. BConfidential2. While aligning the dowels, install the auto-cutter fixing plate and secure it with t

Rev. B Disassembly, Assembly, and Adjustment 5-37TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 7 (Case Unit)Auto-cutter assembly1.

1-2 Features and General Specifications Rev. BConfidentialFeatures Printing SpecificationsNOTE:If the print duty ratio is too high, the operation of

5-38 Disassembly, Assembly, and Adjustment Rev. BConfidentialWhen you do not attach the release lever: Attach the auto-cutter lock lever with the RE

Rev. B Disassembly, Assembly, and Adjustment 5-39TM-U200 Series (Type B) Service ManualConfidential5. Connect the auto-cutter cable to the cable con

5-40 Disassembly, Assembly, and Adjustment Rev. BConfidential7. While aligning the dowel, install the auto-cutter cover, and secure it with the scre

Rev. B Disassembly, Assembly, and Adjustment 5-41TM-U200 Series (Type B) Service ManualConfidential7. Remove any dust and dirt from the switch panel

5-42 Disassembly, Assembly, and Adjustment Rev. BConfidential

Rev. B Disassembly, Assembly, and Adjustment 5-43TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 9 (Case Unit)Interface circuit boar

5-44 Disassembly, Assembly, and Adjustment Rev. BConfidentialParallel Interface✔Check that the interface board assembly is firmly connected to the m

Rev. B Disassembly, Assembly, and Adjustment 5-45TM-U200 Series (Type B) Service ManualConfidentialMain Assembly 10 (Case Unit)Lower plate, ROM cove

5-46 Disassembly, Assembly, and Adjustment Rev. BConfidentialFor flash memory equipped main circuit board1. Attach the lower plate to the lower case

Rev. B Disassembly, Assembly, and Adjustment 5-47TM-U200 Series (Type B) Service ManualConfidential2. Secure the hinge assembly of the main cover as

Rev. B Features and General Specifications 1-3TM-U200 Series (Type B) Service ManualConfidentialCharacter dimensions, characters per inch, character

5-48 Disassembly, Assembly, and Adjustment Rev. BConfidential2. Connect the lead wire assembly’s connector to the near-end detector and attach it to

Rev. B Disassembly, Assembly, and Adjustment 5-49TM-U200 Series (Type B) Service ManualConfidential4. Attach the spacers (if desired) and near-end d

5-50 Disassembly, Assembly, and Adjustment Rev. BConfidential✔After assembling the near-end detector assembly, make sure the near-end detection leve

Rev. B Disassembly, Assembly, and Adjustment 5-51TM-U200 Series (Type B) Service ManualConfidential4. Perform the adjustment at two positions.Ribbon

5-52 Disassembly, Assembly, and Adjustment Rev. BConfidential

Rev. B Appendix A-1TM-U200 Series (Type B) Service ManualConfidentialAppendixRS-485 Serial InterfaceNOTES:❏Handshaking is set through the DIP switch

A-2 Appendix Rev. BConfidentialIf the electric potential of CS1 is higher than CS2, the TM series printer is ready for communication (the host is re

Rev. B Appendix A-3TM-U200 Series (Type B) Service ManualConfidentialRS-485 interface connector pin assignments and functionsNOTES:❏Receive buffer f

A-4 Appendix Rev. BConfidentialXON/XOFF Transmission TimingWhen XON/XOFF control is selected by the DIP switch, the printer transmits XON/OFF to the

Rev. B Appendix A-5TM-U200 Series (Type B) Service ManualConfidential"L" indicates:Printer transmission data SD1 > SD2Printer receptio

1-4 Features and General Specifications Rev. BConfidentialPaper (*1) This dimension shows the distance from the manual cutter to the print positio

A-6 Appendix Rev. BConfidentialParts LayoutMain circuit boardThere are three types for the main circuit board parts layout, type D, AD, and CD. To d

Rev. B Appendix A-7TM-U200 Series (Type B) Service ManualConfidentialThis is the layout for the D-type board using chip devices:

A-8 Appendix Rev. BConfidentialMain circuit board (type AD)

Rev. B Appendix A-9TM-U200 Series (Type B) Service ManualConfidentialMain circuit board (type CD)

A-10 Appendix Rev. BConfidentialRS-232 Serial Interface Circuit Board

Rev. B Appendix A-11TM-U200 Series (Type B) Service ManualConfidentialIEEE 1284 Parallel Interface Circuit Board

A-12 Appendix Rev. BConfidentialRS-485 Serial Interface Circuit Board

Rev. B Appendix A-13TM-U200 Series (Type B) Service ManualConfidentialAppendixCircuit DiagramsMain Circuit BoardThere are three types for the main ci

Rev. B Appendix A-14TM-U200 Series (Type B) Service ManualConfidentialMain circuit board diagram (type D)There are two different diagrams for the D-t

Rev. B Appendix A-15TM-U200 Series (Type B) Service ManualConfidentialThis is the diagram for the D-type board using chip devices:CR ACR CCR COMCR BC

Rev. B Features and General Specifications 1-5TM-U200 Series (Type B) Service ManualConfidentialAuto CutterPartial cut is executed by a command. (A

Rev. B Appendix A-16TM-U200 Series (Type B) Service ManualConfidentialFor the main circuit board that the DSW2 is type AD

Rev. B Appendix A-17TM-U200 Series (Type B) Service ManualConfidentialFor the main circuit board that the DSW2 is type CD

Rev. B Appendix A-18TM-U200 Series (Type B) Service ManualConfidentialRS-232 Serial Interface BoardTP2DK 1 1DK S 2PG 3PG 4+24V 5+24V 6PG 7HOST

Rev. B Appendix A-19TM-U200 Series (Type B) Service ManualConfidentialIEEE 1284 Parallel Interface BoardR2 1 8 2 7 3 6 4 5RM2 1 8 2 7 3

Rev. B Appendix A-20TM-U200 Series (Type B) Service ManualConfidentialRS-485 Serial Interface Board TP2+5VR12 1 2 3 4 8 7 6 5U2R13R9R8R1R2FG 1SD/

Rev. B Appendix A-21TM-U200 Series (Type B) Service ManualConfidentialPrinter Mechanism Unit Overall Exploded DiagramPrint head unitRibbon frame eart

Rev. B Appendix A-22TM-U200 Series (Type B) Service ManualConfidentialCase Unit Overall Exploded DiagramThis is the diagram that the changes describe

Rev. B Appendix A-23TM-U200 Series (Type B) Service ManualConfidentialCase Unit Overall Exploded DiagramThis is the diagram that the changes describe

Rev. B Appendix A-24TM-U200 Series (Type B) Service ManualConfidentialPrinter Mechanism Unit Lubrication Points Diagram(1) O-10(2) G-31(6) G-31(7) G-

Rev. B Appendix A-25TM-U200 Series (Type B) Service ManualConfidentialCase Unit Lubrication Points Diagram(4) G-31(4) G-31(3) G-31(3) G-31

1-6 Features and General Specifications Rev. BConfidentialExternal Dimensions and WeightEnvironmental SpecificationsHeight:150 mm (5.91")Width:

Rev. B Main Circuit Board Types and Maintenance Addendum 1-1TM-U200 Series (Type B) Service ManualConfidentialAddendum 1Main Circuit Board Types and

Addendum 1-2 Main Circuit Board Types and Maintenance Rev. BConfidentialFunction assignment of 8-switch DIP switch set DSW2 changed in ANK font mode

Rev. B Main Circuit Board Types and Maintenance Addendum 1-3TM-U200 Series (Type B) Service ManualConfidentialServicing PrecautionsDuring servicing

Addendum 1-4 Main Circuit Board Types and Maintenance Rev. BConfidential3. Check the latest main circuit board type and the part code.Using the corr

Rev. B Main Circuit Board Types and Maintenance Addendum 1-5TM-U200 Series (Type B) Service ManualConfidentialDIP switch setting tablesThis section

Addendum 1-6 Main Circuit Board Types and Maintenance Rev. BConfidentialParallel interface modelDSW1DSW2DIP switch Function ON OFF1Auto line feed E

Rev. B Main Circuit Board Types and Maintenance Addendum 1-7TM-U200 Series (Type B) Service ManualConfidentialDIP switch setting tables (type AD)Ser

Addendum 1-8 Main Circuit Board Types and Maintenance Rev. BConfidentialParallel interface modelDSW1DSW2DIP switch Function ON OFF1Auto line feed En

Rev. B Main Circuit Board Types and Maintenance Addendum 1-9TM-U200 Series (Type B) Service ManualConfidentialDIP switch setting tables (type CD)Ser

Addendum 1-10 Main Circuit Board Types and Maintenance Rev. BConfidentialParallel interface modelDSW1DSW2DIP switch Function ON OFF1Auto line feed E

Rev. B Features and General Specifications 1-7TM-U200 Series (Type B) Service ManualConfidentialReliabilityPrinter Installation PositionInstall the

Rev. B Main Circuit Board Types and Maintenance Addendum 1-11TM-U200 Series (Type B) Service ManualConfidentialUsing the correct circuit diagramDepe

Addendum 1-12 Main Circuit Board Types and Maintenance Rev. BConfidential

Rev. B Lower Plate Change and ROM Spacer Abolition Addendum 2-1TM-U200 Series (Type B) Service ManualConfidentialAddendum 2Lower Plate Change and RO

Addendum 2-2 Lower Plate Change and ROM Spacer Abolition Rev. BConfidentialServicing PrecautionsThe ROM spacer serves fasten the EP-ROM to the socke

Rev. B Auto-Cutter Release Tab Change Addendum 3-1TM-U200 Series (Type B) Service ManualConfidentialAddendum 3Auto-Cutter Release Tab ChangeTo impro

Addendum 3-2 Auto-Cutter Release Tab Change Rev. BConfidentialAssembly Procedure ChangePlease refer to pages 5-37 and 5-38 of this manual.Spare Part

SEIKO EPSON CORPORATIONPrinted in JapanEPSON

1-8 Features and General Specifications Rev. BConfidentialHardware ConfigurationFigure 1-6 TM-U200 Series (Type B) main unit configurationCarriage

Rev. B Features and General Specifications 1-9TM-U200 Series (Type B) Service ManualConfidentialMain Unit SpecificationsPaper Feed MotorCarriage Mot

1-10 Features and General Specifications Rev. BConfidentialPaper End DetectorPaper Roll Near-end Detector (Optional)ConnectorsFigure 1-7 Connector

Rev. B Features and General Specifications 1-11TM-U200 Series (Type B) Service ManualConfidentialPower Supply ConnectorThis connector is used to con

1-12 Features and General Specifications Rev. BConfidentialDrawer kick-out drive signal CAUTION:To avoid overcurrent, resistance of the drawer kick-

Rev. B Features and General Specifications 1-13TM-U200 Series (Type B) Service ManualConfidentialInterfaceRS-232 Serial InterfaceNOTES:❏ Handshakin

1-14 Features and General Specifications Rev. BConfidentialInterface Connector Pin AssignmentsRS-232 interface connector pin assignments and functio

Rev. B Features and General Specifications 1-15TM-U200 Series (Type B) Service ManualConfidentialSwitching between on line and off lineThe printer d

1-16 Features and General Specifications Rev. BConfidentialSerial interface connection example NOTES:❏ Set handshaking so that transmitted data can

Rev. B Features and General Specifications 1-17TM-U200 Series (Type B) Service ManualConfidentialInterface Connector Pin AssignmentsIEEE 1284 interf

Revision Table iTM-U200 Series (Type B) Service ManualConfidentialRevision TableRev. Page DescriptionRev. A all pages Newly authorizedRev. B 1-1,1-2

1-18 Features and General Specifications Rev. BConfidentialReception of status from the printer through the bidirectional parallel interfaceIn bidir

Rev. B Features and General Specifications 1-19TM-U200 Series (Type B) Service ManualConfidentialNotes on setting DIP switch 1-8 to ON The printer m

1-20 Features and General Specifications Rev. BConfidentialDIP SwitchesSee Addendum 1 of this manual for the description about the DIP switch settin

Rev. B Features and General Specifications 1-21TM-U200 Series (Type B) Service ManualConfidentialSee Chapter 4 for instructions on running a self-te

1-22 Features and General Specifications Rev. BConfidentialHexadecimal DumpThis function prints data transmitted from the host computer in hexadecim

Rev. B Features and General Specifications 1-23TM-U200 Series (Type B) Service ManualConfidentialExternal Power Supply PS-170 SpecificationsInput Co

1-24 Features and General Specifications Rev. BConfidential

Rev. B Mechanism Configuration and Operating Principles 2-1TM-U200 Series (Type B) Service ManualConfidentialChapter 2Mechanism Configuration and Op

2-2 Mechanism Configuration and Operating Principles Rev. BConfidentialPrint mechanism unitThe print mechanism unit consists of the parts shown in t

Rev. B Mechanism Configuration and Operating Principles 2-3TM-U200 Series (Type B) Service ManualConfidentialPrint head unit movementWhen the carria

ii Revision TableConfidential

2-4 Mechanism Configuration and Operating Principles Rev. BConfidentialPrinting a character (9x9 font)A character is printed by energizing the prin

Rev. B Mechanism Configuration and Operating Principles 2-5TM-U200 Series (Type B) Service ManualConfidentialPaper Feed Mechanism UnitThe paper feed

2-6 Mechanism Configuration and Operating Principles Rev. BConfidentialPaper loading (semi-automatic loading)When the paper roll is manually inserte

Rev. B Mechanism Configuration and Operating Principles 2-7TM-U200 Series (Type B) Service ManualConfidentialDuring printing, the paper feed motor i

2-8 Mechanism Configuration and Operating Principles Rev. BConfidentialRibbon feedingWhen the carriage motor rotates forward and the carriage motor

Rev. B Mechanism Configuration and Operating Principles 2-9TM-U200 Series (Type B) Service ManualConfidentialDetection Mechanism UnitThe detection m

2-10 Mechanism Configuration and Operating Principles Rev. BConfidentialPaper detection mechanismThe paper detection mechanism is located in the pap

Rev. B Mechanism Configuration and Operating Principles 2-11TM-U200 Series (Type B) Service ManualConfidentialmovable blade drive pin in direction E

2-12 Mechanism Configuration and Operating Principles Rev. BConfidentialribbon release spring. When the carriage sub assembly moves in the E directi

Rev. B Mechanism Configuration and Operating Principles 2-13TM-U200 Series (Type B) Service ManualConfidentialCircuit board block diagramThe main ci

Rev. B iTM-U200 Series (Type B) Service ManualConfidentialCONFIDENTIALITY AGREEMENTBY USING THIS DOCUMENT, YOU AGREE TO ABIDE BY THE TERMS OF THIS

2-14 Mechanism Configuration and Operating Principles Rev. BConfidentialThe figure below illustrates the circuit block diagram for the printer. Figu

Rev. B Mechanism Configuration and Operating Principles 2-15TM-U200 Series (Type B) Service ManualConfidentialMemory MapThe following parts are mapp

2-16 Mechanism Configuration and Operating Principles Rev. BConfidentialPrinciples of OperationPower Supply CircuitryThe power supply circuit is com

Rev. B Mechanism Configuration and Operating Principles 2-17TM-U200 Series (Type B) Service ManualConfidentialControl CircuitryReset circuitThe rese

2-18 Mechanism Configuration and Operating Principles Rev. BConfidentialCPUThe printer uses an external 8-bit and internal 16-bit CPU, with an exter

Rev. B Mechanism Configuration and Operating Principles 2-19TM-U200 Series (Type B) Service ManualConfidential25 X2 X2 O --- Connected to ceramic. f

2-20 Mechanism Configuration and Operating Principles Rev. BConfidentialROM or flash memoryThe printer control program and the character generator d

Rev. B Mechanism Configuration and Operating Principles 2-21TM-U200 Series (Type B) Service ManualConfidentialRAM (CPU internal 2K bit)RAM is used a

2-22 Mechanism Configuration and Operating Principles Rev. BConfidentialA near-end detector is an option that detects the remaining amount of a pape

Rev. B Mechanism Configuration and Operating Principles 2-23TM-U200 Series (Type B) Service ManualConfidentialThe +24 V drawer power supply is suppl

ii Rev. BConfidentialKey to Symbols The symbols in this manual are identified by their level of importance, as defined below. Read the following ca

2-24 Mechanism Configuration and Operating Principles Rev. BConfidentialCPU (U5) pins 52 to 55, pins 56 to 59, and pins 1 and 80 are also used for t

Rev. B Mechanism Configuration and Operating Principles 2-25TM-U200 Series (Type B) Service ManualConfidentialWhen the DIP switch set 2 is AD-type o

2-26 Mechanism Configuration and Operating Principles Rev. BConfidentialPrinter Mechanism Driver CircuitsPrint head driver circuitThe head driver si

Rev. B Mechanism Configuration and Operating Principles 2-27TM-U200 Series (Type B) Service ManualConfidentialPaper feed motor driver circuitThe pap

2-28 Mechanism Configuration and Operating Principles Rev. BConfidentialAuto-cutter driver circuitRotating the DC motor counterclockwise or clockwis

Rev. B Mechanism Configuration and Operating Principles 2-29TM-U200 Series (Type B) Service ManualConfidential

2-30 Mechanism Configuration and Operating Principles Rev. BConfidential

Rev. B Handling and Maintenance 3-1TM-U200 Series (Type B) Service ManualConfidentialChapter 3Handling and MaintenanceHandling PrecautionsStorage Pr

3-2 Handling and Maintenance Rev. BConfidentialRibbon Cassette Handling Precautions❏Use only the ribbon cassette specified in Chapter 1 of this manu

Rev. B Handling and Maintenance 3-3TM-U200 Series (Type B) Service ManualConfidential4. Press the FEED button to remove the cut paper.5. Remove the

Rev. B iiiTM-U200 Series (Type B) Service ManualConfidentialCAUTION: Wear a grounded wrist band when handling the internal circuit boards to preven

3-4 Handling and Maintenance Rev. BConfidential8. Open the auto-cutter by pulling the tab up and toward you.9. Hold both edges of the paper and inse

Rev. B Handling and Maintenance 3-5TM-U200 Series (Type B) Service ManualConfidential11. Cut the paper on the manual cutter.12. Close the auto cutte

3-6 Handling and Maintenance Rev. BConfidential4. Turn the ribbon cassette’s knob in the direction of the arrow to take up any slack in the ribbon.

Rev. B Handling and Maintenance 3-7TM-U200 Series (Type B) Service ManualConfidential6. Turn the ribbon cassette’s knob 5 or 6 times in the directio

3-8 Handling and Maintenance Rev. BConfidential2. Pull the paper and cut it at the position shown by the dotted line in the illustration below.3. Re

Rev. B Handling and Maintenance 3-9TM-U200 Series (Type B) Service ManualConfidentialNote:Do not pull the jammed paper in the opposite direction of

3-10 Handling and Maintenance Rev. BConfidentialNote:Do not remove the screw from the print head cover.9. Remove the print head cover.10. Remove all

Rev. B Handling and Maintenance 3-11TM-U200 Series (Type B) Service ManualConfidential13. If the auto cutter blade is not in its normal position (if

3-12 Handling and Maintenance Rev. BConfidentialUsing the Power Switch CoverYou can use the provided power switch cover to protect the power switch

Rev. B Handling and Maintenance 3-13TM-U200 Series (Type B) Service ManualConfidentialInspection and MaintenanceProper performance of the inspection

iv Rev. BConfidentialCONTENTS Chapter 1 Features and General SpecificationsFeatures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-14 Handling and Maintenance Rev. BConfidentialCleaning1. Wipe off stains with a clean, dry cloth. If the stains cannot be wiped off, use a neutral

Rev. B Handling and Maintenance 3-15TM-U200 Series (Type B) Service ManualConfidentialLubrication PointsThe following table describes the lubricatio

3-16 Handling and Maintenance Rev. BConfidentialLubricants and adhesives listLubricants and adhesivesType/name QuantityGrease/G-31 40 gr (1.4 oz)Oil

Rev. B Troubleshooting 4-1TM-U200 Series (Type B) Service ManualConfidentialChapter 4TroubleshootingUse the following to troubleshoot and repair the

4-2 Troubleshooting Rev. BConfidentialTroubleshooting FlowchartIf the source of a problem is not clear, use the flowchart below to find and replace

Rev. B Troubleshooting 4-3TM-U200 Series (Type B) Service ManualConfidential(See Replacing the fuse in Chapter 5)1Connect power supply cable properl

4-4 Troubleshooting Rev. BConfidentialroll near end sensor’scontinuity normal?*Replace the near-end sensor.NoOK?Replace printer mechanismassembly.OK

Rev. B Troubleshooting 4-5TM-U200 Series (Type B) Service ManualConfidential3OK?OK?OK?ENDENDENDENDIs paper jammed inthe paper inlet path?Remove the

4-6 Troubleshooting Rev. BConfidential(*) Confirm the voltage at each terminal in the table below:Checkpoint Specified valuePin 3 of U2, U3, U4 Appr

Rev. B Troubleshooting 4-7TM-U200 Series (Type B) Service ManualConfidential5Replace the mainOK?NoReplace the auto-cutter unit.NoYesYesYesIs thereRe

Rev. B vTM-U200 Series (Type B) Service ManualConfidentialPaper feeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-8 Troubleshooting Rev. BConfidential6Replace printerEnd OK?NoReplace interface PCB.NoNoNoNoNoNoYesNoYesYesYesYesSet DIP switch 1–1 to OFF.Send dat

Rev. B Troubleshooting 4-9TM-U200 Series (Type B) Service ManualConfidentialTroubleshooting TablesThe tables contain the following columns:❏ProblemT

4-10 Troubleshooting Rev. BConfidentialData from the host is printed incorrectly.An incorrect interface cable may be used.A Check if the interface c

Rev. B Troubleshooting 4-11TM-U200 Series (Type B) Service ManualConfidentialSemi-automatic loading is not executed. (Paper is not fed.)The paper su

4-12 Troubleshooting Rev. BConfidentialDots are missing occasionally.The head FPC may be bad.B Check the continuity of the head FPC.Replace the head

Rev. B Troubleshooting 4-13TM-U200 Series (Type B) Service ManualConfidentialThe paper feed pitch is not uniform.Operation of the paper supply may b

4-14 Troubleshooting Rev. BConfidentialThe print color is mixed. (Half of the character is black and the other half is red.)The ribbon cassette is f

Rev. B Troubleshooting 4-15TM-U200 Series (Type B) Service ManualConfidentialError Types and CountermeasuresFollow the flowcharts on the next page b

4-16 Troubleshooting Rev. BConfidentialAction 1Wait for the print head temperature to drop.printer recoveredfrom the error?Replace main PCB.YesNoEND

Rev. B Troubleshooting 4-17TM-U200 Series (Type B) Service ManualConfidentialAction 2NoYesNoIs connector CN5Remove paper.Insert the connectorOK?ENDE