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TDP-643R PLUS BAR CODE PRINTER 

SERVICE MANUAL

 

- 6 - 

 

1.3.2 Parallel Interface 

Connector Type: Centronics 36-pin 
 

Pin 

Function 

Transmit 

/Strobe 

Host 

2-9 

Data 0~7 

Host   

10-11 

Busy 

Printer 

12 

Paper empty 

Printer 

13 

Connect to 5V DC 

Printer 

14-16 

N/C 

--- 

17 

Ground 

--- 

18 

N/C 

--- 

19-30 

/ERROR 

Printer 

31 

Ground 

--- 

32 

N/C 

Printer 

33-35 

Ground 

--- 

36 

N/C 

--- 

1.4 Available Bar Codes 

 

Code 39

 

 

Code 93

 

 

Code 128 UCC

 

 

Code 128, Subsets A, B, and C

 

 

Codabar

 

 

Interleaved 2 of 5

 

 

EAN-8, EAN-13, EAN-128

 

 

UPC-A, UPC-E

 

 

EAN and UPC with 2 digits add-on

 

 

UPC Shipping container code

 

 

Maxicode

 

 

PDF-417 

 

DataMatrix 

Summary of Contents for TDP-643R Plus series

Page 1: ...TDP 643R PLUS SERVICE MANUAL DIRECT THERMAL BAR CODE PRINTER...

Page 2: ...s 6 1 5 Effective Print Area 7 2 SUPPLY SPECIFICATIONS 8 2 1 Types of Paper 8 2 2 Specifications 8 3 ELECTRONICS 10 3 1 Circuit Description 10 3 2 MCU Pin Description 12 3 3 Reset Circuit 14 3 4 Memor...

Page 3: ...29 4 6 Platen and Teflon Tube Replacement 30 5 TROUBLE SHOOTING 32 5 1 Error Messages 32 5 2 Trouble Shooting 33 5 3 Self Test and Gap Sensor Calibration 33 5 4 Initialization 33 5 5 Diagnosis Operati...

Page 4: ...BAR CODE PRINTER SERVICE MANUAL 1 1 FUNDAMENTALS ABOUT THE SYSTEM 1 1 Overview 1 1 1Front View Fig 1 1 Front View of TDP 643R PLUS 1 ERROR Indicator 2 READY Indicator 3 FEED Button 4 Label Dispense Op...

Page 5: ...643R PLUS BAR CODE PRINTER SERVICE MANUAL 2 1 1 2 Rear view Fig 1 2 Rear View of TDP 643R PLUS 1 Label Insert Opening 2 Power Switch 3 Power Jack 4 Centronics Interface Connector 5 RS 232 Port 1 2 3...

Page 6: ...es Code 39 Code 93 Code 128 UCC Code 128 Subsets A B C Codabar Interleaved 2 of 5 EAN 8 EAN 13 UPC A UPC E EAN and UPC with 2 digits add on 2D bar codes PDF 417 Maxicode DataMatrix Graphics Mono PCX f...

Page 7: ...C Circuit Protection 2A maximum 1 2 5 Environment Operation Temperature 41O F 95 O F 5 O C 35 O C Storage Temperature 4 O F 140 O F 20 O C 60 O C Operation Humidity 30 85 non condensing Storage Humidi...

Page 8: ...handshaking When using an MS DOS computer you may want to include the following two lines in your AUTOEXEC BAT file in order for the computer to automatically execute the commands when turned on MODE...

Page 9: ...ter 12 Paper empty Printer 13 Connect to 5V DC Printer 14 16 N C 17 Ground 18 N C 19 30 ERROR Printer 31 Ground 32 N C Printer 33 35 Ground 36 N C 1 4 Available Bar Codes Code 39 Code 93 Code 128 UCC...

Page 10: ...S BAR CODE PRINTER SERVICE MANUAL 7 1 5 Effective Print Area Label Ticket Length 12mm 2286mm Effective Print Length 10mm 2284mm Label Ticket Width 25 4mm 114mm Effective Print Width 23 4mm 112mm No Pr...

Page 11: ...06 mm 0 25 mm Max Roll Diameter 1 core 5 127mm Roll Up Method Print surface wound outside as standard Paper Core ID 25 7 0 3mm Note 1 The width and thickness quoted above are said of the label plus i...

Page 12: ...TDP 643R PLUS BAR CODE PRINTER SERVICE MANUAL 9...

Page 13: ...rcuit Diagram The above is the MCU circuit diagram The main board of TDP 643R PLUS includes five system blocks A Memory System decoder memory block B Motor System stepping motor and cutter block C Pri...

Page 14: ...RVICE MANUAL 11 The figure below shows the PCB system area Fig 3 2 System Block of PCB MCU Memory System Power System Communication Port System Real Time Clock Cutter System Motor System Decoder Syste...

Page 15: ...Up Enable PA15 LAT for TPH PB0 O A16 A16 PB1 O A17 A17 PB2 O RAS RAS PB3 O CASL CASL PB4 O CASH CASH PB5 O RDWR RDWR PB6 O A18 A18 PB7 O A19 A19 PB8 O A20 A20 PB9 O A21 A21 PC0 PC1 5 O A0 A15 A0 A15 P...

Page 16: ...3 CT DETECT PF4 I PF4 PEEL SENS PF5 I PF5 RIBBON SENS PF6 I PF6 BM SENS PF7 I PF7 GAP SENS NMI I Pull Up NMI No use RESETP I Pull Up Active RESETP RESET WDTOVF O WDTOVF No use IRQ0 NO USE IRQ1 NO USE...

Page 17: ...et Circuit This is the reset circuit The TS809CXA IC outputs the system reset signal of LOW when the driving voltage is lower than 4 63V Typical 3 4 Memory System Fig 3 4 FLASH ROMS and DRAM Diagram T...

Page 18: ...herwise it is low The signal of the key is low when the keys is press otherwise it is high B JP2 is the connector which connects to the gap sensor The gap sensor is a penetrable sensor the gap sensor...

Page 19: ...TDP 643R PLUS BAR CODE PRINTER SERVICE MANUAL 16 3 6 Real Time Clock Circuit Fig 3 6 Real Time Clock Circuit HT1381 is serial time keeper 3 7 Decode Circuit Fig 3 7 Decode Circuit...

Page 20: ...FFF ROM1 0000 0000 001F FFFF ROM2 0020 0000 003F FFFF Memory card 0040 0000 007F FFFF Download ROM 0800 0000 09F FFFF DRAM 0100 0000 011F FFFF Other Map Address Bit Function 00C0 0000 MOTOR DATA 0 PHA...

Page 21: ...t This is the thermal head drive protection CLK and LAT connected to thermal head control clock and data latch respectively STB1 STB2 determines whether to heat the thermal head or not DI sends the pr...

Page 22: ...ng Motor Driver Protection Circuit This is the Stepping Motor and Protection Circuit Connector JP12 sends the pattern as shown in table1 The status of I0 I1 determines the stepping motor power level t...

Page 23: ...AL 20 Step Pin on JP12 1 2 3 4 PHASE 1 ON ON ON A 2 ON ON A 3 ON ON ON B 4 ON ON B Table1 Stepping Motor Pattern MOTOR CURRENT I0 I1 HIGH LEVEL 100 L L MEDIUM LEVEL 60 H L LOW LEVEL 20 L H ZERO CURREN...

Page 24: ...e pin of MCU CTS is the Clear To Send of MCU which sends the signal from the external device TxD is the data output pin of MCU RTS is the Request To Send signal which MCU sends to the external device...

Page 25: ...ve Circuit This is the cutter drive circuit The RESET signal is 1 when the printer is turned on CUTTER controls the activation of the cutter The cutter is activated when CUTTER signal is Low The senso...

Page 26: ...lacement 1 Turn off printer power 2 Remove power cord and RS 232 and or parallel port cable 3 Form the button of the printer remove the 6 screws Fig 4 1 Remove the rubber pads and screws 4 Detach the...

Page 27: ...s on the rear of the printer Fig 4 2 Remove screws on the rear of the printer 7 Remove 4 mainboard fixing screws Fig 4 3 Remove 4 screws on the mainboard 8 Replace the mainboard 9 Assemble the detache...

Page 28: ...inter power 2 Remove power cord and RS 232 and or parallel port cable 3 Form the button of the printer remove the 6 screws 4 Remove the failed stepping motor driver IC with an IC clamp Fig 4 5 Replace...

Page 29: ...the paper release lever and push the release lever rod out of the fixture Fig 4 6 Replace print head 6 Loosen the 2 fixing screws on the print head bracket Please refer to the Fig 4 5 7 Disconnect the...

Page 30: ...or parallel port cable 3 Form the button of the printer remove the 6 screws 4 Detach the printer top cover and disconnect peel off sensor connector from the cover 5 Loosen the 4mechanism fixing screws...

Page 31: ...ICE MANUAL 28 8 Loosen 2 motor fixing screws and disconnect motor connecter Fig 4 8 Loosen 2 motor fixing screws 9 Replace damage motor 10 Assemble the detached parts in reverse order of the above Mot...

Page 32: ...he 6 screws 4 Detach the printer top cover and disconnect peel off sensor connector from the cover 5 Loosen the 4 mechanism fixing screws on the mechanism mount 6 Detach print head mechanism 7 Loosen...

Page 33: ...f the printer remove the 6 screws 4 Detach the printer top cover and disconnect peel off sensor connector from the cover 5 Loosen the 4 mechanism fixing screws on the mechanism mount 6 Detach print he...

Page 34: ...UAL 31 10 Replace the platen Fig 4 11 Remove platen 11 Turn the teflon tube driving rod with a screw 12 Push the driving rod out of the fixture 13 Replace the teflon tube 14 Assemble the detached part...

Page 35: ...s that of 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 Divi...

Page 36: ...age will be printed out on the print media or sent out through RS 232 port 5 3 Self Test and Gap Sensor Calibration 1 Turn off the printer 2 Press FEED button while turning on the printer Instantly th...

Page 37: ...ND and the red wire to PIN2 of JP2 Load label on the printer 1 When gap backing paper only is detected between TX and RX of the gap sensor the measured voltage should be 0 Vdc 2 When gap backing paper...

Page 38: ...fore cleaning the print head Allow the printhead to cool for a minimum of one minute 2 Take out the print head Please refer to the steps on the 4 4 section 3 Clean the print head element with a head c...

Page 39: ...Camille 2007 4 14 1 Update TSC e mail address 2 Update 6 7 section cleaning the print head Camille 2007 8 1 1 Company information update Camille 2007 12 7 1 Modify power supply and external Ethernet...

Page 40: ...t Rd Wujie Township New Taipei City 23141 Taiwan R O C Yilan County 26841 Taiwan R O C TEL 886 2 2218 6789 TEL 886 3 990 6677 FAX 886 2 2218 5678 FAX 886 3 990 5577 Web site www tscprinters com E mail...

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