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The Speaker Company TTP 248M TTP-248M Bar Code Printer Service Manual 4.9 Replacing Motor, Screws

Models: TTP 248M

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TTP-248M Bar Code Printer

Service Manual

4.9 Replacing Motor

1. Loosen the four fixing screws on the Motor.

Screws

2. Disconnect the harness from the Motor

Disconnect the harness

3. Replace the Motor.

Page 59

Image 59

The Speaker Company TTP 248M TTP-248M Bar Code Printer Service Manual 4.9 Replacing Motor, Replace the Motor, Screws

Contents

MANUAL TTP 248M THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICETTP-248M Bar Code Printer Service Manual TABLE OF CONTENT TTP-248M Bar Code Printer Service ManualFront View TTP-248M Bar Code Printer Service Manual1. FOUNDAMENTALS ABOUT THE SYSTEM Printer OverviewElectrical TTP-248M Bar Code Printer Service Manual 1.2 Pinter SpecificationSpecification EnvironmentTTP-248M Bar Code Printer Service Manual Communication Interface25 Pin 1.3 Available Bar CodesHost 9 PinWidth x Length 1.4 Text SpecificationSpecification of Fonts FontTTP-248M Bar Code Printer Service Manual File Head of Font Fixed 32bytesVF1~4 Decode Table BF3~4 VF3~4TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual 2. SUPPLY SPECIFICATIONS2.2 Specification 2.1 Types of PaperSpecification TTP-248M Bar Code Printer Service Manual 2.3 Ribbon SpecificationTTP-248M Bar Code Printer Service Manual Fig. 3.1 MCU Circuit Diagram3. CIRCUIT DESCRIPTION 3.1 MCUTTP-248M Bar Code Printer Service Manual Fig. 3.2 System Block of PCBTTP-248M Bar Code Printer Service Manual 3.2 MCU PIN Description TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual TTP-248M Bar Code Printer Service Manual Fig. 3.3 Reset Circuit TTP-248M Bar Code Printer Service Manual 3.3 Reset CircuitV CC TTP-248M Bar Code Printer Service Manual 3.4 Memory SystemFig. 3.4 Memory System G ND JUSE CPLD to decode TTP-248M Bar Code Printer Service Manual 3.5 Decoder Circuits3.6 Memory Address Map Privileged modeTTP-248M Bar Code Printer Service Manual 0xAC3FFFFF TTP-248M Bar Code Printer Service Manual0xA88FFFFF 0xAC000000TTP-248M Bar Code Printer Service Manual 3.7 Firmware Address Map Vref TTP-248M Bar Code Printer Service Manual 3.8 Power Down SensorFig. 3.6 Power Down Sensor Circuit Ip kRESET PH 3.9 Print HeadFig. 3.7 Print Head ROHM KF2004-GL41B Print Head Sensor TTP-248M Bar Code Printer Service ManualINAR TTP-248M Bar Code Printer Service Manual 3.10 Motor System CircuitPHASE STEPBlack Mark Sensor TTP-248M Bar Code Printer Service Manual 3.11 Sensor CircuitsRibbon Near End Sensor Fig. 3.9 Ribbon Near End Sensor Circuit GAP SensorGAPE Fig. 3.10 Black mark/ Gap Sensor Circuit Peel-off SensorTTP-248M Bar Code Printer Service Manual BM ETTP-248M Bar Code Printer Service Manual Fig. 3.11 Peel-off Sensor Circuit Case SensorFig. 3.12 Case sensor Print Head Lift Lever Open Sensor Fig. 3.13 Print Head Lift Lever Open Sensor Circuit Ribbon End SensorTTP-248M Bar Code Printer Service Manual 3.12 Serial Port CircuitFig. 3.14 Ribbon End Sensor Circuit Fig. 3.15 Serial Port CircuitERROR 3.13 Parallel Port CircuitFig. 3.16 Parallel Port Circuit TTP-248M Bar Code Printer Service ManualFig. 3.17 Cutter Drive Circuit TTP-248M Bar Code Printer Service Manual 3.14 Cutter Drive SystemFig. 3.19 Download boot program to on-board Flash memory pin switch TTP-248M Bar Code Printer Service Manual 3.15 PIN Switch Circuits3.16 Connector Circuits Fig. 3.18 LTC490 and RS232 pin switchJP33 Fig. 3.21 Memory Card ConnectorFig. 3.22 Cutter Connector Circuit TTP-248M Bar Code Printer Service ManualOUT1 Fig. 3.23 Stepping Motor ConnectorTTP-248M Bar Code Printer Service Manual STEPPING MOTORBUZZERO TTP-248M Bar Code Printer Service Manual 3.17 Optional Items CircuitsFig. 3. Optional Item---Buzzer 10 K1. Open Top Right Side Cover 4. MACHANISM4.1 Remove the Covers and LCD Panel TTP-248M Bar Code Printer Service Manual4. Remove Top Right Side Cover and Top Left Side Cover TTP-248M Bar Code Printer Service Manual3. Loosen the three screws on Top Left Side Cover Screw LCD Panel Screw Lower Front Cover TTP-248M Bar Code Printer Service ManualScrew TTP-248M Bar Code Printer Service Manual 4.2 Replacing the MainboardTwo screws Screws 4.3 Replacing the Power Supply UnitTTP-248M Bar Code Printer Service Manual Power Supply Unit1. Refer to 4.3 to remove the Power Supply Unit 4.4 Replacing the Ribbon Rewind SpindleTTP-248M Bar Code Printer Service Manual Screws TTP-248M Bar Code Printer Service Manual4. Remove the E-ring of pulley. And then, remove the pulley 5. Loosen the three screws on the Cam Spindle Support Plate6. Replace the Ribbon Rewind Spindle TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing 2. Remove the shaft bearing 3. Replace the Ribbon Supply Spindle 4.5 Replacing Ribbon Supply SpindleTTP-248M Bar Code Printer Service Manual 1. Remove the four screws of the Ribbon Supply Spindle4. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual2. Remove the three screws of the Label Supply Spindle 4.6 Replacing Label Supply SpindleTTP-248M Bar Code Printer Service Manual 1. Refer to 4.2 to remove the Mainboard5. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual2. Remove the E-ring and the pulley of the Label Rewind Spindle 4.7 Replacing Label Rewind SpindleTTP-248M Bar Code Printer Service Manual 1. Refer to 4.3 to remove the Power Supply Unit5. Replace the Label Rewind Spindle TTP-248M Bar Code Printer Service Manual6. Reassemble in the reverse procedures after replacing 3. Remove the screw and the Stripper/Rewind Plate TTP-248M Bar Code Printer Service Manual 4.8 Replacing Platen1. Refer to 4.1 to remove the Top Right and Left Side Covers 2. Release the Print Head Lift Lever6. Remove the Platen and Left Shaft Bearing TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing 3. Replace the Motor TTP-248M Bar Code Printer Service Manual 4.9 Replacing Motor1. Loosen the four fixing screws on the Motor 2. Disconnect the harness from the Motor4. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual2. Disconnect the two Printer Harnesses 3. Replace the Print Head TTP-248M Bar Code Printer Service Manual 4.10 Replacing Print Head4. Reassemble in the reverse procedures after replacing 1. Remove the screws on the Print Head1. Open the Right Side Cover and Right Side Plate 4.11 Replacing Print Head Pressure Adjustment KnobTTP-248M Bar Code Printer Service Manual 5. Remove A.B.C.D in order 6. Loosen M4 screw, knob E and F TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing 2. Refer to 4.8 to remove the Stripper/Rewind Plate 4.12 Replacing Gap/Black Mark SensorTTP-248M Bar Code Printer Service Manual 1. Disconnect the wires of Gap/Black Mark Sensor5. Remove the screw on the main frame. The Gap/Black Mark Sensor assembly is separated into upper part and lower part TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service ManualCurly plastic pipe Screws 4.14 Replacing Print Head Lift Lever SensorTTP-248M Bar Code Printer Service Manual Recovery Procedure 5. TROUBLESHOOTING5.1 Troubleshooting Cause of ErrorsCarriage open On-Line indicator isoff, error indicator is 5.2 Calibrate Gap/Black Mark Sensor5.4 DRAM Clear TTP-248M Bar Code Printer Service Manual 5.3 Self-test5.5 Diagnosis Operation Procedure TTP-248M Bar Code Printer Service Manual 5.6 Cleaning Print Head Date UPDATE HISTORYTTP-248M Bar Code Printer Service Manual ContentCorporate Headquarters