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The Speaker Company TTP 248M 23 Stepping Motor Connector, OUT1, JP14, OUT2, R100, 0. 01u F

Models: TTP 248M

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TTP-248M Bar Code Printer

Service Manual

U13/ 6		STEPPING_ MOTOR
OUT1	R99	STEPPING_ MOTOR
OUT1	R99
U13/ 4	8. 2	JP14
U13/ 4		1
		1
OUT2		2
		3
	C52	4
	0. 01u F
U12/ 6		4PIN
U12/ 6		C53
	R100	C53
OUT1	R100
OUT1
	8. 2	0. 01u F
		0. 01u F
U12/ 4
OUT2

Fig. 3.23 Stepping Motor Connector

Page 41

Image 41

The Speaker Company TTP 248M 23 Stepping Motor Connector, TTP-248M Bar Code Printer Service Manual, OUT1, JP14, OUT2, R100

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 Manual1. FOUNDAMENTALS ABOUT THE SYSTEM TTP-248M Bar Code Printer Service ManualPrinter Overview Front ViewSpecification TTP-248M Bar Code Printer Service Manual 1.2 Pinter SpecificationEnvironment ElectricalTTP-248M Bar Code Printer Service Manual Communication InterfaceHost 1.3 Available Bar Codes9 Pin 25 PinSpecification of Fonts 1.4 Text SpecificationFont Width x LengthTTP-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 2.2 Specification 2. SUPPLY SPECIFICATIONS2.1 Types of Paper TTP-248M Bar Code Printer Service ManualSpecification TTP-248M Bar Code Printer Service Manual 2.3 Ribbon Specification3. CIRCUIT DESCRIPTION Fig. 3.1 MCU Circuit Diagram3.1 MCU TTP-248M Bar Code Printer Service ManualTTP-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 CircuitFig. 3.4 Memory System TTP-248M Bar Code Printer Service Manual 3.4 Memory SystemG ND J V CC3.6 Memory Address Map TTP-248M Bar Code Printer Service Manual 3.5 Decoder CircuitsPrivileged mode USE CPLD to decodeTTP-248M Bar Code Printer Service Manual 0xA88FFFFF TTP-248M Bar Code Printer Service Manual0xAC000000 0xAC3FFFFFTTP-248M Bar Code Printer Service Manual 3.7 Firmware Address Map Fig. 3.6 Power Down Sensor Circuit TTP-248M Bar Code Printer Service Manual 3.8 Power Down SensorIp k VrefFig. 3.7 Print Head ROHM KF2004-GL41B Print Head Sensor 3.9 Print HeadTTP-248M Bar Code Printer Service Manual RESET PHPHASE TTP-248M Bar Code Printer Service Manual 3.10 Motor System CircuitSTEP INARRibbon Near End Sensor TTP-248M Bar Code Printer Service Manual 3.11 Sensor CircuitsFig. 3.9 Ribbon Near End Sensor Circuit GAP Sensor Black Mark SensorTTP-248M Bar Code Printer Service Manual Fig. 3.10 Black mark/ Gap Sensor Circuit Peel-off SensorBM E GAPEFig. 3.12 Case sensor Print Head Lift Lever Open Sensor Fig. 3.11 Peel-off Sensor Circuit Case SensorFig. 3.13 Print Head Lift Lever Open Sensor Circuit Ribbon End Sensor TTP-248M Bar Code Printer Service ManualFig. 3.14 Ribbon End Sensor Circuit 3.12 Serial Port CircuitFig. 3.15 Serial Port Circuit TTP-248M Bar Code Printer Service ManualFig. 3.16 Parallel Port Circuit 3.13 Parallel Port CircuitTTP-248M Bar Code Printer Service Manual ERRORFig. 3.17 Cutter Drive Circuit TTP-248M Bar Code Printer Service Manual 3.14 Cutter Drive System3.16 Connector Circuits TTP-248M Bar Code Printer Service Manual 3.15 PIN Switch CircuitsFig. 3.18 LTC490 and RS232 pin switch Fig. 3.19 Download boot program to on-board Flash memory pin switchFig. 3.22 Cutter Connector Circuit Fig. 3.21 Memory Card ConnectorTTP-248M Bar Code Printer Service Manual JP33TTP-248M Bar Code Printer Service Manual Fig. 3.23 Stepping Motor ConnectorSTEPPING MOTOR OUT1Fig. 3. Optional Item---Buzzer TTP-248M Bar Code Printer Service Manual 3.17 Optional Items Circuits10 K BUZZERO4.1 Remove the Covers and LCD Panel 4. MACHANISMTTP-248M Bar Code Printer Service Manual 1. Open Top Right Side Cover4. 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 MainboardTTP-248M Bar Code Printer Service Manual 4.3 Replacing the Power Supply UnitPower Supply Unit Two screws Screws1. Refer to 4.3 to remove the Power Supply Unit 4.4 Replacing the Ribbon Rewind SpindleTTP-248M Bar Code Printer Service Manual 4. Remove the E-ring of pulley. And then, remove the pulley TTP-248M Bar Code Printer Service Manual5. Loosen the three screws on the Cam Spindle Support Plate Screws6. Replace the Ribbon Rewind Spindle TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual 4.5 Replacing Ribbon Supply Spindle1. Remove the four screws of the Ribbon Supply Spindle 2. Remove the shaft bearing 3. Replace the Ribbon Supply Spindle4. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service ManualTTP-248M Bar Code Printer Service Manual 4.6 Replacing Label Supply Spindle1. Refer to 4.2 to remove the Mainboard 2. Remove the three screws of the Label Supply Spindle5. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service ManualTTP-248M Bar Code Printer Service Manual 4.7 Replacing Label Rewind Spindle1. Refer to 4.3 to remove the Power Supply Unit 2. Remove the E-ring and the pulley of the Label Rewind Spindle5. Replace the Label Rewind Spindle TTP-248M Bar Code Printer Service Manual6. Reassemble in the reverse procedures after replacing 1. Refer to 4.1 to remove the Top Right and Left Side Covers TTP-248M Bar Code Printer Service Manual 4.8 Replacing Platen2. Release the Print Head Lift Lever 3. Remove the screw and the Stripper/Rewind Plate6. Remove the Platen and Left Shaft Bearing TTP-248M Bar Code Printer Service Manual7. Reassemble in the reverse procedures after replacing 1. Loosen the four fixing screws on the Motor TTP-248M Bar Code Printer Service Manual 4.9 Replacing Motor2. Disconnect the harness from the Motor 3. Replace the Motor4. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual4. Reassemble in the reverse procedures after replacing TTP-248M Bar Code Printer Service Manual 4.10 Replacing Print Head1. Remove the screws on the Print Head 2. Disconnect the two Printer Harnesses 3. Replace 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 TTP-248M Bar Code Printer Service Manual 4.12 Replacing Gap/Black Mark Sensor1. Disconnect the wires of Gap/Black Mark Sensor 2. Refer to 4.8 to remove the Stripper/Rewind Plate5. 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 5.1 Troubleshooting 5. TROUBLESHOOTINGCause of Errors Recovery Procedureoff, error indicator is On-Line indicator is5.2 Calibrate Gap/Black Mark Sensor Carriage open5.4 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 TTP-248M Bar Code Printer Service Manual UPDATE HISTORYContent DateCorporate Headquarters

STEPPING_ MOTOR

OUT1

JP14

OUT2

R100

0. 01u F

Fig. 3.23 Stepping Motor Connector