background image

                                                                                                           

 

 

 

 
 

TTP-243 Bar Code Printer 
Service Manua

1.  FUNDAMENTALS ABOUT THE SYSTEM 

1.1 Features of the TTP/TDP-243 Series 

1.  TTP-243 bar code printer prints bar codes, characters, logos, on various types of labels and 

tickets by direct thermal or thermal transfer printing. 

2  TTP-243 adopts a “BASIC-like” high level programming language to help users programme 

the desired label forms with ease. 

3.  TTP-243 bar code printer can be connected to a personal computer or an optional LCD 

keyboard to execute the programs downloaded in the printer’s memory. The printer is 
equipped with the following standard devices: black mark sensor, peel off module and real 
time clock 

4.  TTP-243 bar code printer provides a selection of optional features, including cutter module, 

memory module, portable LCD keyboard, etc. 

5.  The user friendly “Label Today!” package is bundled with TTP-243. 

 

1.2  Model Naming Syntax 

 T T P – 2 4 3  

 

     (1)       (2)  (3)  (4) 

 

 

(1) Print method: 

TTP – Thermal Transfer Printing 
TDP – Thermal Direct Printing 

(2) Resolution of print head (DPI) 
(3) Maximum print width (Inch) 
(4) Maximum print speed (Inch/Sec) 

 
 

 

Summary of Contents for TDP-243 Series

Page 1: ...TTP TDP 243 342 SERVICE MANUAL THERMAL TRANSFER DIRECT THERMAL BAR CODE PRINTER...

Page 2: ...2 1 Types of Paper 9 2 2 Specifications 9 2 3 Ribbon Sizes and Shapes 11 3 ELECTRONICS 12 3 1 Circuit Description 12 3 2 MCU Pin Description 15 3 3 Reset Circuit 17 3 4 Memory System 17 3 5 Connector...

Page 3: ...Fabric Replacement 40 4 6 Stepping Motor Replacement 42 4 7 Black Mark Sensor Gap Sensor Receiver Replacement 43 4 8 Ribbon Sensor Receiver Replacement 44 4 9 Ribbon Sensor Transmitter Gap Sensor Tran...

Page 4: ...o a personal computer or an optional LCD keyboard to execute the programs downloaded in the printer s memory The printer is equipped with the following standard devices black mark sensor peel off modu...

Page 5: ...rinter Service Manual 1 3 Overview 1 3 1 Front View Fig 1 1 Front View of TTP 243 Note The one difference between TTP model and TDP model is the ribbon mechanism Front Panel Cover Release Button Top C...

Page 6: ...3 TTP 243 Bar Code Printer Service Manual 1 3 2 Rear View Fig 1 2 Rear view of TTP 243 DC Power Jack RS 232 Interface Centronics Interface Label Entrance External Mount Use Power Switch...

Page 7: ...me Clock Comes with self peeling function Buzzer provided to warn of possible errors Label stock and thermal transfer ribbon are easy to install Internal label print counter Self test and hex dump mod...

Page 8: ...Printer Service Manual RS 232 Interface Pin Configuration Host Function 9 Pin 25 Pin 9 Pin Printer Function 1 5V RxD 2 3 2 TxD TxD 3 2 3 RxD DTR 4 20 4 DSR GND 5 7 5 GND DSR 6 6 6 RDY RTS 7 4 7 N C C...

Page 9: ...284mm Label Ticket Width 25mm 103mm Effective Print Width 23mm 101mm No Print Area 1mm 1 6 Available Bar Codes Code 39 Code 93 Code 128 UCC Code 128 Subsets A B and C Codabar Interleaved 2 of 5 EAN 8...

Page 10: ...position of the next label The sensor is mounted 4 mm off the center line of the main mechanism In case of Label 2 Black Mark Sensor The black mark sensor locates the position of label by emitting inf...

Page 11: ...e only one position for the sensor Once the sensor position is agreed upon it can not be changed afterwards 3 Ribbon End Sensor The sensor detects the end portion of the ribbon The ribbon end must be...

Page 12: ...meter Max 4 3 110mm Max Roll Diameter 1 core External roll diameter Max 8 4 214mm Roll Up Method Print surface wound outside as standard Paper Core ID 25 7 0 3mm Note 1 The width and thickness quoted...

Page 13: ...10 TTP 243 Bar Code Printer Service Manual...

Page 14: ...335 5mm long End tape Polyester film transparent 250 5mm long Max ribbon OD 67mm Winding method Ink surface to be wound outside Note The maximum length of ribbon depends on its thickness and core out...

Page 15: ...MA7 64 A6 MA6 65 A5 MA5 66 A4 MA4 67 A3 MA3 68 A2 MA2 69 A1 MA1 70 A0 MA0 71 P97 DMAREQ3 72 P96 DMAACK3 73 P94 DMAACK2 75 P92 77 P95 DMAREQ2 74 P93 DMAREQ1 76 P91 DMAREQ0 78 P90 DMAACK0 79 P87 TXD1 80...

Page 16: ...13 TTP 243 Bar Code Printer Service Manual Motor System Communication Port Real Time Clock Memory Decoder System Print Head Cutter System Memory System External Memory Connector Power System...

Page 17: ...14 TTP 243 Bar Code Printer Service Manual Fig 3 2 System Block of PCB...

Page 18: ...is pin is L BYTE Bus width selection input Input In memory expansion mode or microprocessor mode this pin determines whether the external data bus is 8 bit width or 16 bit width The width is 16 bits f...

Page 19: ...I O It has basically the same function as port P4 In addition it provides the timer A2 timer A3 timer A4 I O pins and TimeB0 and TimeB1 input pins P60 P67 I O port P6 I O This port is used for 8 bit I...

Page 20: ...19 AD6 20 AD7 21 CE 22 A10 23 OE 24 A11 25 A9 26 A8 27 A13 28 A14 29 A17 30 WE 31 VCC 32 U16 29C040 A 0 18 MA 0 9 DO 0 7 MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA9 DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 A8 A9 A...

Page 21: ...DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 5V 24V 5V 5V 5V 5V 5V 5V P65 CUTTER P53 PH_DETECT P45 P46 P47 P72 P60 P62 P63 P57 DC_MOTOR_A DC_MOTOR_B P64 GAP_EMITTER Fig 3 5 Connector Circuit Diagram P45 P47 are ou...

Page 22: ...is in right position normally at high level JP8 the connector which connects to the external memory module CUTTER the control pin of the CUTTER system DC_MOTOR_A the control pin of the DC MOTOR system...

Page 23: ...DO3 DO4 DO5 DO6 DO7 DO 0 7 DO 0 7 5V DS RTC AS R W BZ1 R50 5 6K C66 0 1u RES 5V BUZZER Fig 3 6 Real Time Clock Circuit This is a real time clock circuit MCU will read the date time and write the data...

Page 24: ...MA0 DO 0 7 ALE ROM2 CENTRONIC ROM11 ROM12 Fig 3 7 Decode Circuit This is the decode circuit which calculates memory map U3 is used to latch addresses from DO0 to DO7 The main function of U8 and U10 a...

Page 25: ...H ROM EXTERNAL ROM3 MEMORY CARD RTC ADDRESS PORT RTC DATA PORT CENTRONIC PORT PARALLEL COMMUNICATION 400001H 400000H 380000H 2FFFFFH 200000H FLASH ROM EXTERNAL ROM2 MEMORY CARD FLASH ROM EXTERNAL ROM1...

Page 26: ...et 1 2 3 J1 200DPI STROBE1 300DPI 1 2 3 200DPI 300DPI PH_GND DIGITAL GND PVDD DIGITAL GND 8 9 U5D 74HC04 1 2 3 U9A 74HC08 RESET VH_POWER VH_POWER C22 10u TANT Z2 IN4745 16V VH_POWER MAX CURRENT IS 18A...

Page 27: ...T B1 K 24V C10 0 1u C6 1500pF C9 1000u 35V SW1 SW SPDT R56 470 2W L14 CHOKE D3 SR505 C82 0 01u 0 01u L26 1 2 3 4 L4 COMM_CHOKE Fig 3 10 24V 5V Converter Circuit Figure 3 10 is the DC TO DC DC24V to DC...

Page 28: ...17 1Y1 18 1Y2 16 1Y3 14 1Y4 12 2Y1 9 2Y2 7 2Y3 5 2Y4 3 1G 1 2G 19 U6 74LS244 1 2 3 4 JP12 STEP MOTOR L31 BEAD L30 BEAD L29 BEAD L28 BEAD L27 BEAD L7 BEAD C78 0 01uF C77 0 01uF C73 0 01u C74 0 01u C76...

Page 29: ...26 TTP 243 Bar Code Printer Service Manual The power of DC motor is on when DCM pin is at LOW level PHASE3 determines the DC motor run direction forward or backward...

Page 30: ...R34 100 R35 100 R36 100 PE ERROR SELECT VCC DO 0 7 DO 0 7 DO0 DO1 DO2 DO3 DO4 DO5 DO6 DO7 CENTRONIC INT C71 0 1u CGND CGND CGND CGND DIGITAL GND DIGITAL GND 5 6 U11C 74LS14 8 9 U11D 74LS14 10 11 U11E...

Page 31: ...2003 3 14 9 GND 8 U20C 2003 4 13 9 GND 8 U20D 2003 C30 10u TANT 1 2 3 4 5 6 7 JP3 CUTTER PEEL PEEL 5V D16 DSP D17 DSP CUTTER Fig 3 13 Cutter Drive Circuit This is the cutter drive circuit The RESET si...

Page 32: ...2 Remove the power cord and RS 232 and or parallel port cable 3 Open the top cover of the printer 4 Remove the printer front panel Fig 3 14 Remove the front cover in the direction of the arrows 5 Remo...

Page 33: ...ff sensor connector Fig 3 16 Cable tie and peel off sensor connector 7 Remove the screws on the lower left and lower right corners of main mechanism Fig 3 17 Remove the screws in the lower left lower...

Page 34: ...chanism about 5 mm in the label feed direction 10 Take out the internal label roll mount and remove the connector Fig 3 19 Take out the internal label roll mount and remove the connector 11 Remove the...

Page 35: ...ansmit sensor connector JP6 DC motor and encoder connector JP7 TPH head up switch connector JP8 Memory cartridge connector JP9 TPH connector JP12 Stepping motor connector 13 Take out the mechanism 14...

Page 36: ...f sensor connector 7 Remove the screw on the PCB of peel off and cutter connector 8 Remove the screws in the lower left lower right corners of main mechanism 9 Remove all four screws of the internal l...

Page 37: ...t work please check that the software or program has been switched to the cutter mode If the cutter still does not function please check the cutter driver IC make sure it is firmly inserted in the IC...

Page 38: ...le tie and remove the peel off sensor connector Cf Fig 3 16 6 Remove the peel off sensor connector 7 Plug in the cutter connector 8 Insert the right and left side flange of cutter into the slot Fig 4...

Page 39: ...le and power cord 3 Open the top cover 4 Remove the ribbon and label roll 5 Open the print carriage 6 Remove the screw at the top front center of the mechanism as shown Fig 4 2 The Print Head Screw 7...

Page 40: ...f connector must be positioned upward Do not touch the elements of the print head Do not disassemble the print head 8 Tidy up the cable so that it does not protrude or interfere with the ribbon 9 Reas...

Page 41: ...9 Remove all four screws of the internal label roll mount Cf Fig 3 18 10 Move the mechanism in the label feed direction about 5 mm 11 Take out the internal label roll mount and remove connector JP1 C...

Page 42: ...to thermal transfer mode The multi meter is used to measure the voltage of Pin2 5V If the voltage changes continuously from 0 to 5 volts DC the encoder is in condition Otherwise please follow the ste...

Page 43: ...inting quality Follow the steps below to replace the felt fabric 1 Follow the instructions in Section 4 3 to remove DC motor and DC motor fixture 2 Remove the E ring and washer on ribbon supply spindl...

Page 44: ...41 TTP 243 Bar Code Printer Service Manual 6 Reassemble the removed parts in the reverse order of removal Fig 4 8 Front View of the Ribbon Supply Spindle...

Page 45: ...in the lower left lower right corners of the main mechanism Cf Fig 3 17 9 Remove all four screws of the internal label roll mount Cf Fig 3 18 10 Move the mechanism in the label feed direction about 5...

Page 46: ...e the printer front panel Cf Fig 3 14 5 Remove the two screws and the metal cover Cf Fig 3 15 6 Release the cable tie and remove the peel off sensor connector Cf Fig 3 16 7 Remove the screw on the PCB...

Page 47: ...cutter connector 8 Remove the screws in the lower left lower right corners of the main mechanism Cf Fig 3 17 9 Remove all four screws of the internal label roll mount Cf Fig 3 18 10 Move the mechanis...

Page 48: ...e The right side spring has a straight end when the left side spring has an end that is curved 90 degrees 16 The main mechanism is divided into upper mechanism and lower mechanism 17 The ribbon sensor...

Page 49: ...ction 4 6 to separate the upper mechanism from the lower mechanism 2 The ribbon sensor transmitter is located in the center of the lower mechanism Fig 4 14 Ribbon Sensor Transmitter 3 Remove the two f...

Page 50: ...crews of the internal label roll mount Cf Fig 3 18 10 Move the mechanism in the label feed direction about 5 mm 11 Take out the internal label roll mount and remove the connector Cf Fig 3 19 12 Remove...

Page 51: ...ever arm and E ring 19 Remove the teflon tube and stripper rod Fig 4 18 20 Remove the E ring the right side and left side platen bushes Fig 4 19 21 Remove the stripper bar Fig 4 17 Printer Carriage Re...

Page 52: ...18 Teflon tube and stripper rod Fig 4 19 Remove E ring and platen bush 22 Move the platen to the right of the mechanism 23 Replace the platen and reassemble the removed parts in the reverse order of...

Page 53: ...ew 3x8 Memory Module Cover Push Button Box Ass y 1M Flash ROM installed with one of the following 5 fonts 16x16 Traditional Chinese Font Cartridge 24x24 Traditional Chinese Font Cartridge 16x16 24x24...

Page 54: ...51 TTP 243 Bar Code Printer Service Manual TTP 243 Last Update 2003 2 18...

Page 55: ...34 37 1203510 31 30 0180053 00 98 0180011 10 37 1502604 34 37 1201705 24 98 0180015 10 36 0180002 00 98 0182015 00 Ribbon Spindle Ass y Ribbon Mechanism Ass y Screw 3x5 Tap4 Round Black Screw 3x8 Scr...

Page 56: ...53 TTP 243 Bar Code Printer Service Manual TTP 243 Last Update 2003 2 18 12...

Page 57: ...0180030 10 37 1403008 34 37 1202612 22 37 1503006 34 37 1403015 32 37 1403508 52 98 0180012 00 37 1201705 24 72 0050003 00 64 0010011 00 Mechanism Upper Cover Ass y Screw 3x8 Screw 2 6x12 Tap4 Screw M...

Page 58: ...55 TTP 243 Bar Code Printer Service Manual TTP 243 Last Update 2003 2 18...

Page 59: ...Ass y Gap Sensor Right Offset 4mm from the center Mechanism Lower Cover Ass y Gap Sensor in the center PCB D Ass y Gap Ribbon Tx Sensor And Gap Sensor Right Offset 4mm from the center PCB D Ass y Gap...

Page 60: ...57 TTP 243 Bar Code Printer Service Manual TTP 243 Last Update 2003 2 18...

Page 61: ...r Service Manual Accessories Ref No Part No Description Remarks List Price 5 1 5 2 5 3 72 0010001 00 98 0180001 10 62 0130003 00 Parallel Port Cable External Label Roll Mount Ass y Power Adapter S TTP...

Page 62: ...59 TTP 243 Bar Code Printer Service Manual TTP 243 Last Update 2003 2 18...

Page 63: ...f the label Download Error The format of the downloaded file is incorrect There is not enough memory to store the file Stack Overflow Program contains too complex mathematical expressions Divide into...

Page 64: ...the connection of serial port cable 5 On line indicator light does not to illuminate Check the DIP switch setting and reset the printer Check that power cord is properly connected 6 Error indicator r...

Page 65: ...label length 3 Print internal settings 4 Initiate self test 5 Enter dump mode 5 5 Ram Clear Press the PAUSE and FEED button simultaneously for more than 3 seconds The printer will clear the memory an...

Page 66: ...voltage should be 5 Vdc 2 When gap of the gear box is not detected by the DC motor encoder sensor the measured voltage should be 0 Vdc The DC motor encoder sensor is normal if the checking complies wi...

Page 67: ...ltage should be 0 Vdc The black line sensor is normal if the checking complies with the two cases above Or else the black line sensor is out of order E Checking Peel Off Sensor Switch the multimeter t...

Page 68: ...eater the usage of the printer the more frequent the cleaning 1 Turn the power off 2 Open the printer cover 3 Open the printer carriage by pulling up the release lever to the left of the front rubber...

Page 69: ...TAIWAN SEMICONDUCTOR CO LTD 11F No 205 Sec 3 Beishin Rd Shindian City Taipei Taiwan R O C TEL 886 2 8913 1588 E mail printer mail2 ts com tw FAX 886 2 8913 1808 Web Site http www tscprinters com...

Reviews: