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TSC TTP 248M Service Manual

Thermal transfer / direct thermal bar code printer
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TTP/TDP 248M/2410M
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER
SERVICE
MANUAL

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  • Page 1 TTP/TDP 248M/2410M THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL...

  • Page 2: Table Of Contents

    TTP-248M/2410M Bar Code Printer Service Manua TABLE OF CONTENT 1. Foundamentals About the System ................1 1.1 Printer Overview....................1 1.1.1 Front View ....................1 1.1.2 Rear View ....................2 1.2 Pinter Specification ................... 2 1.3 Available Bar Codes..................4 1.4 Text Specification ....................
  • Page 3 TTP-248M/2410M Bar Code Printer Service Manua Machanism......................41 4.1 Remove the Covers and LCD Panel ............... 41 4.2 Replacing the Mainboard ................45 4.3 Replacing the Power Supply Unit..............47 4.4 Replacing the Ribbon Rewind Spindle ............48 4.5 Replacing Ribbon Supply Spindle and Ribbon Near End Sensor ....51 4.6 Replacing Label Supply Spindle..............

  • Page 4: Foundamentals About The System

    TTP-248M/2410M Bar Code Printer Service Manua 1. FOUNDAMENTALS ABOUT THE SYSTEM 1.1 Printer Overview 1.1.1 Front View Printer Cover Aux. LED LCD Display Fig. 1.1 Printer Front View...

  • Page 5: Rear View

    TTP-248M/2410M Bar Code Printer Service Manua 1.1.2 Rear View Aux. Buzzer Centronics Port External Label RS-232C Port Feed Opening Voltage Switch Power Supply Connector Fig. 1.2 Printer Rear View 1.2 Pinter Specification Item Specification Printing Mode Thermal transfer and direct thermal Resolution 203 DPI Max.
  • Page 6 TTP-248M/2410M Bar Code Printer Service Manua Ventilation Free air environment Label gap (256-level), ribbon end (16-level), black Sensors mark (256-level), carriage open, ribbon near end Flash Memory 2MB, DRAM 4MB and optional Flash Memory Interface RS-232C 56000bps ( Max.), Centronics Cutter 116 mm width (Paper thickness up to 0.28 mm) 100 VAC to 120 VAC, 200 VAC to 240 VAC...

  • Page 7: Available Bar Codes

    TTP-248M/2410M Bar Code Printer Service Manua RS-232 Interface Pin Configuration: Host 9 Pin 25 Pin 9 Pin Printer Function Function 1.3 Available Bar Codes Code 39 Code 39C Code 93 Code128UCC Code128 subsets A.B.C Code 11 Codabar Interleave 2 of 5 EAN-8 EAN-13 EAN-128...

  • Page 8: Text Specification

    TTP-248M/2410M Bar Code Printer Service Manua PLESSEY POSTNET EAN-14 ITF14 PDF-417 Maxicode DataMatrix 1.4 Text Specification Font Width x Length Font 1 8x12 Font 2 12x20 Font 3 16x24 Font 4 24x32 Font 5 32x48 Font 6 14x19 OCRB Font 7 21x27 OCRB Font 8 14x25 OCRA...

  • Page 9: Specification Of Fonts

    TTP-248M/2410M Bar Code Printer Service Manua The above are the fonts we approve on our printers. Specification of Fonts Fixed Pixel Variable Pixel Singed byte Double byte Decode by Table File Head of Font ( Fixed 32bytes ) Offset 0 B->Bitmap font Offset 1 0->Fixed pixel 1->Variable Pixel...

  • Page 10: Vf1~4

    TTP-248M/2410M Bar Code Printer Service Manua Else if( BF3 BF4 VF3 VF4 ) Offset 32-xx : Decoded Table Offset xx-xx : Font Data VF1~4 Font data of variable pixel (width low byte)(width high byte) Font Data Font of variable printing spacing is two-bite-width of word in front of the data of every word.

  • Page 11: Supply Specifications

    TTP-248M/2410M Bar Code Printer Service Manua 2. SUPPLY SPECIFICATIONS 2.1 Types of Paper Two types of media are available for TTP-248M/2410M : label and ticket. In TTP-248M/2410M, there are two types of sensors for paper : gap sensor and black mark sensor. Label and ticket can be further classified into direct thermal type or thermal transfer type.

  • Page 12: Ribbon Specification

    TTP-248M/2410M Bar Code Printer Service Manua 2.3 Ribbon Specification Item Specification Ribbon Shape Spool type 25.4∼114.3 mm Ribbon Width Ribbon Length 450 m Diameter Less than 3.5” ( 89 mm) Roll Up Method Print surface wound outside as standard. Note: The maximum length of ribbon depends on its thickness and core outside diameter.

  • Page 13: Circuit Description

    TTP-248M/2410M Bar Code Printer Service Manua 3. CIRCUIT DESCRIPTION 3.1 MCU INDUCTOR1 INDUCTOR1 2PIN PR14 0.1u INDUCTOR1 JP28 0.1u PR15 LTC490 D[0..31] 0.1u INDUCTOR1 2PIN PR16 0.1u RTC_O 0.1u VCCL PR17 T1OUT BEAD 300 R1IN R1OUT 15pF BEAD 300 T1IN PR18 22pF 22pF...
  • Page 14 TTP-248M/2410M Bar Code Printer Service Manua The figure below shows the PCB system area : Communication Port Decoder System Print Head Connector External Memory Connector Memory System Option A/D Power Convert System Option I/O Motor System Fig. 3.2 System Block of PCB Cutter System Sensor Connector...

  • Page 15: Mcu Pin Description

    TTP-248M/2410M Bar Code Printer Service Manua 3.2 MCU PIN Description...
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  • Page 24: Reset Circuit

    TTP-248M/2410M Bar Code Printer Service Manua 3.3 Reset Circuit VCCL R130 VCC3 /RST RESET 3.0K VCC5 VCCA LTC1728 3.4K 0.1uF 0.1uF Fig. 3.3 Reset Circuit This is the reset circuit. The LTC1728IC detects three kinds of DC Voltage (5V, 3V and 1.9V).

  • Page 25: Memory System

    TTP-248M/2410M Bar Code Printer Service Manua 3.4 Memory System BC35 BC34 BC45 BC39 BC38 BC36 BC37 /RESET 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF BC42 BC41 BC40 BC46 BC44 BC43 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 50PIN_P2 0.1uF 0.1uF 0.1uF 0.1uF EM636165 EM636165...

  • Page 26: Decoder Circuits

    TTP-248M/2410M Bar Code Printer Service Manua 3.5 Decoder Circuits 3.6 Memory Map (Privileged mode) 0x00000000 2-Gbytes virtual space, Area P0 cacheable (write-back/write-through) 0x80000000 0.5-Gbytes fixed physical space, Area P1 cacheable (write-back / write-through) 0xA0000000 0.5-Gbytes fixed physical space, Area P2 non-cacheable 0xC0000000 0.5-Gbytes virtual space,...
  • Page 27 TTP-248M/2410M Bar Code Printer Service Manua 0xA0500000 Flash 6 (Memory Card U2), Size 1M bytes 0xA0600000 Flash 7 (Memory Card U3), Size 1M bytes 0xA0700000 Flash 8 (Memory Card U4), Size 1M bytes 0xA0800000 Flash 9 (Memory Card U5), Size 1M bytes 0xA0900000 Flash 10 (Memory Card U6), Size 1M bytes 0xA0A00000...

  • Page 28: Firmware Address Map

    TTP-248M/2410M Bar Code Printer Service Manua Bit 2: LCD OP Bit 3: LCD Power Bit 4: LCD R/W Bit 5: LCD Enable 0xA8A00000 LCD Data (1 byte) 0xAC000000 SDRAM Area 3(/CS3) 0xAC3FFFFF 0xB0000000 Area 4(/CS4) 0xB3FFFFF 0xB4000000 Area 5(/CS5) 0xB7FFFFF 0xB8000000 Area 6(/CS6) 0xBBFFFFF...

  • Page 29: Sdram Address Map

    TTP-248M/2410M Bar Code Printer Service Manua 0x80007FFF 0x80008000 Main Program Area This program run Main Program in 0x8C000000 Area 0x800BFFFF 0x800C0000 LCD Font Area 0x800CFFFF 0x800D0000 Fixed Pitch Bitmap Font 0x800EFFFF 0x800F0000 Variable Pitch Bitmap Font 0x800FFFFF Table 3. SDRAM Address Map (Cacheable Address SDRAM) 0x8C000000 Main Program Area...

  • Page 30: Power Down Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 3.8 Power Down Sensor 1.9V VCCL R118 R116 R117 330u Vref SS14 34063 100p 1500pF 10uF 0.1u 470u 100u/35V 1.9K R122 3.6K 4.42K 1.5V 3.3V SI-8033JD JP29 P_INT 3.6K 100u LM324 2PIN 30.9k 220uF SS24 1500pF 4.42k...

  • Page 31: Print Head

    TTP-248M/2410M Bar Code Printer Service Manua 3.9 Print Head JP18A ROHM_KF BC33 0.1uF 74HCT14 /LAT 74LS14 CONNECT BY VDD /LAT 74HCT14 STB1 74HCT14 74HCT14 STB2 74HCT14 74HCT14 STB3 74HCT14 74HCT14 STB4 AVCC 74HCT14 74HCT14 R107 STORBE1 STB1 STORBE2 STB2 STORBE3 STB3 STORBE4 STB4...

  • Page 32: Motor System Circuit

    TTP-248M/2410M Bar Code Printer Service Manua 3.10 Motor System Circuit Pin on JP14 PHASE Step INA_R /INA_R INB_R /INB_R Table 5. Stepping Motor Pattern 2200uF MGND 0.1uF EN_MA EN_MB MGND MOTER_C BOOT1 L6506D_SO 15nF STEPPING_MOTOR OUT1 JP14 OUT2 0.1uF 15nF ENABLE BOOT2 0.01uF...

  • Page 33: Sensor Circuits

    TTP-248M/2410M Bar Code Printer Service Manua 3.11 Sensor Circuits Ribbon Near End Sensor The voltage of sender (PIN 3) is about 1.18V (1.17V~1.19V). When the sensor detects the black area, the voltage of receiver (PIN 2) is≧2.10V. When the sensor detects the white area, the voltage of the receiver (PIN 2) is≦ 1.26V.
  • Page 34 TTP-248M/2410M Bar Code Printer Service Manua 2. Selecting AUTO GAP to detect label will get a value of tension, and then selecting the MANUAL GAP. When sensor detects white paper: LCD displays Reflect the voltage of receiver (PIN 3)≦2.10V When sensor detects the Black mark or does not detect paper: LCD displays Not Reflected the voltage of receiver (PIN 3)≧1.26V JP12...
  • Page 35 TTP-248M/2410M Bar Code Printer Service Manua Case Sensor The voltage of sender is about 1.18V (1.17V~1.19V) When sensor detects upper cover, the voltage of receiver (PIN 2) is≧2.10V When sensor does not detect upper cover, the voltage of receiver is ≦1.26V JP16 CASE_SENS 74HC14...

  • Page 36: Serial Port Circuit

    TTP-248M/2410M Bar Code Printer Service Manua selecting the MANUAL Ribbon. When sensor detects ribbon: LCD displays Not Through the voltage of receiver (PIN 4)≦1.26V When sensor detects no ribbon: LCD displays Through the voltage of receiver (PIN 4)≧2.10V. JP22 R_END R_SE REND_SENS 74HC14 R9...

  • Page 37: Parallel Port Circuit

    TTP-248M/2410M Bar Code Printer Service Manua 3.13 Parallel Port Circuit PR8 10K PR8 10K PR7 10K PR7 10K PR6 10K PR6 10K PC1 220p PC2 220p PC3 220p PC1 220p PC2 220p PC3 220p PC4 220p PC4 220p 220p 220p 74HCT14 74HCT14 /Write...

  • Page 38: Cutter Drive System

    TTP-248M/2410M Bar Code Printer Service Manua 3.14 Cutter Drive System 1000uF MGND DIGITAL GND JP33 R105 MODE 820p SENSE PHASE 4PIN PHASE PHASE CUTTER EN_CUTTER UDN3952DIP 0.1u DIGITAL GND CTSENS R106 0.25 \1W MGND Fig. 3.17 Cutter Drive Circuit Pin 2 and 4 connect DC motor; pin 3 connects sensor. Pin /BK Cutter is used to stop DC motor.

  • Page 39: Pin Switch Circuits

    TTP-248M/2410M Bar Code Printer Service Manua 3.15 PIN Switch Circuits JP3/9 JP3/1 開關 2PIN Fig. 3.18 LTC490 and RS232 pin switch JP27 U1/7 2PIN Fig. 3.19 Download boot program to on-board Flash memory pin switch 3.16 Connector Circuits Fig. 3.20 JTAG Circuit...
  • Page 40 TTP-248M/2410M Bar Code Printer Service Manua A[1..24] /RESET RESET U23/28 /WEO/DQMLL /OE&/RD 50PIN_P2 D[0..15] Fig. 3.21 Memory Card Connector JP33 U11/15 U11/10 4PIN CTSENS CUTTER DIGITAL GND Fig. 3.22 Cutter Connector Circuit...
  • Page 41 TTP-248M/2410M Bar Code Printer Service Manua U13/6 STEPPING_MOTOR OUT1 JP14 U13/4 OUT2 0.01uF 4PIN U12/6 R100 OUT1 0.01uF U12/4 OUT2 Fig. 3.23 Stepping Motor Connector...

  • Page 42: Optional Items Circuits

    TTP-248M/2410M Bar Code Printer Service Manua 3.17 Optional Items Circuits The following circuits provide optional detecting message or input/output control. R135 R136 0.1uF 0.1uF AVCC JP25 AVCC JP26 1N4148 1N4148 1N4148 1N4148 2PIN 2PIN R131 R133 R132 R134 AVSS AVSS R127 B_IN1 1010/817...
  • Page 43 TTP-248M/2410M Bar Code Printer Service Manua R123 JP23 B_OUT1 74HCT14 2PIN Y210SB R124 JP24 B_OUT2 74HCT14 2PIN Y210SB JP11 BUZZ HSC945 BUZZER_O 74HC14 Fig. 3. Optional Item---Buzzer...

  • Page 44: Machanism

    TTP-248M/2410M Bar Code Printer Service Manua 4. MACHANISM 4.1 Remove the Covers and LCD Panel 1. Open Top Right Side Cover.
  • Page 45 TTP-248M/2410M Bar Code Printer Service Manua 2. Loosen the screws used to fix Main Frame and Top Right Side Cover. 3. Loosen the screws on Top Left Side Cover. 4. Remove Top Right Side Cover and Top Left Side Cover.
  • Page 46 TTP-248M/2410M Bar Code Printer Service Manua 5. Remove the LCD Panel and the Lower Front Cover. Screws Screws...
  • Page 47 TTP-248M/2410M Bar Code Printer Service Manua...

  • Page 48: Replacing The Mainboard

    TTP-248M/2410M Bar Code Printer Service Manua 4.2 Replacing the Mainboard 1. Disconnect all harnesses. 2. Remove the screws on Mainboard, serial port. Mainboard Serial Port...
  • Page 49 TTP-248M/2410M Bar Code Printer Service Manua 3. Replace the Mainboard. 4. Reassemble in the reverse procedures.

  • Page 50: Replacing The Power Supply Unit

    TTP-248M/2410M Bar Code Printer Service Manua 4.3 Replacing the Power Supply Unit 1. Disconnect all harnesses. 2. Loosen the screws on the Power Supply Unit on the base of printer. 3. Replace the Power Supply Unit. Power Supply Unit 4. Reassemble in the reverse procedures.

  • Page 51: Replacing The Ribbon Rewind Spindle

    TTP-248M/2410M Bar Code Printer Service Manua 4.4 Replacing the Ribbon Rewind Spindle 1. Loosen the screws to remove Spindle Outer Washer. (Please refer to the following figure) 2. Take out the Compression Spring. 3. Remove the Spindle Inner Washer. 4. Remove the 1” Ribbon Spindle. 5.
  • Page 52 TTP-248M/2410M Bar Code Printer Service Manua 11. Loosen the fixing screws on the Motor. Screws Screws 12. Remove the Belt and the Gear. 13. Loosen the screws on the Cam Spindle Support Plate.
  • Page 53 TTP-248M/2410M Bar Code Printer Service Manua Screws 14. Remove Ribbon Rewind Spindle Support Plate the Cam Spindle Support Plate. 15. Reassemble in the reverse procedures after replacing.

  • Page 54: Replacing Ribbon Supply Spindle And Ribbon Near End Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 4.5 Replacing Ribbon Supply Spindle and Ribbon Near End Sensor 1. Loosen the screws and remove the Spindle Outer Washer.(Please refer to the 4.4 figures) 2. Take out the Compression Spring. 3. Remove the Spindle Inner Washer. 4.
  • Page 55 TTP-248M/2410M Bar Code Printer Service Manua Spring Support Plate Screws Spring Screws Spring Support Plate Screws Spring Screws 9. Loosen the screws and remove the Ribbon Spindle Core and Spindle Support Plate. 10. Reassemble in the reverse procedures after replacing.

  • Page 56: Replacing Label Supply Spindle

    TTP-248M/2410M Bar Code Printer Service Manua 4.6 Replacing Label Supply Spindle 1. Loosen the screw and remove the Spindle Outer Washer. (Please refer to the 4.4 steps) 2. Take out the Compression Spring and Spindle Inner Washer. 3. Remove the Label Spindle. 4.

  • Page 57: Replacing Label Rewind Spindle

    TTP-248M/2410M Bar Code Printer Service Manua 4.7 Replacing Label Rewind Spindle 1. Remove the Tension Spring from Paper Clamp. 2. Remove the Spindle Outer Washer. (Please refer to the 4.4 steps) 3. Take out the Compression Spring. 4. Remove the Spindle Inner Washer. 5.

  • Page 58: Replacing Platen

    TTP-248M/2410M Bar Code Printer Service Manua 4.8 Replacing Platen 1. Remove the Stripper/Rewind Plate. Stripper/Rewind Plate...
  • Page 59 TTP-248M/2410M Bar Code Printer Service Manua 2. Remove the Tab Core and Right Support Plate. Right Shaft Bearing Support Plate Tab Core 3. Remove the Belt and the Gear. 4. Remove the Platen and Left Shaft Bearing. 5. Reassemble in the reverse procedures after replacing.

  • Page 60: Replacing Motor

    TTP-248M/2410M Bar Code Printer Service Manua 4.9 Replacing Motor 1. Loosen the fixing screws on the Motor. 2. Remove the Belt and the Motor. 3. Remove the Gear. 4. Reassemble in the reverse procedures after replacing.

  • Page 61: Replacing Print Head

    TTP-248M/2410M Bar Code Printer Service Manua 4.10 Replacing Print Head 1. Remove the screws on the Print Head. Screw 2. Disconnect the Printer Harnesses. 3. Remove the Print Head. 4. Reassemble in the reverse procedures after replacing.

  • Page 62: Replacing Print Head Pressure Adjustment Knob

    TTP-248M/2410M Bar Code Printer Service Manua 4.11 Replacing Print Head Pressure Adjustment Knob 1. Remove A.B.C.D in order. 2. Loosen M4 screw, knob and E. M4 screw Knob 3. Reassemble in the reverse procedures after replacing.

  • Page 63: Replacing Gap/Black Mark Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 4.12 Replacing Gap/Black Mark Sensor 1. Disconnect the wires of Gap/Black Mark Sensor. 2. Loosen screws of the Tab Core on Print Mechanism Lower Frame. Print Mechanism Lower Frame Screws Screws 3. Move the Gap/Black Mark Sensor to the right side and press down to remove.
  • Page 64 TTP-248M/2410M Bar Code Printer Service Manua 4. Reassemble in the reverse procedures after replacing.

  • Page 65: Replacing Ribbon End Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 4.13 Replacing Ribbon End Sensor 1. Disconnect the connectors of Ribbon End Sensor. 2. Remove the screws on the Ribbon End Sensor. Screws 3. Reassemble in the reverse procedures after replacing.

  • Page 66: Replacing Print Head Lift Lever Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 4.14 Replacing Print Head Lift Lever Sensor 1. Disconnect the Harnesses of Print Head Lift Lever Sensor. 2. Remove the Print Head Lift Lever Sensor. 3. Reassemble in the reverse procedures after replacing.

  • Page 67: Part Lists

    TTP-248M/2410M Bar Code Printer Service Manua 5. PART LISTS Part No. Description Remark 98-0240004-00 LCD Panel Ass’y 62-0160001-00 Power Supply unit 36-0160014-00 Belt MxL112 36-0160015-00 Belt MxL150 36-0160029-00 Belt MxL265 65-0010007-01 Stepping Motor 98-0160020-00 Main Board ASS'Y 36-0160001-00 Platen 58-0010010-00 Print Head Lift sensor 64-0010016-00 Print Head 98-0160013-00 Gap/Black Mark Sensor 98-0160014-00 Ribbon End Sensor...
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  • Page 72: Troubleshooting

    TTP-248M/2410M Bar Code Printer Service Manua 6. TROUBLESHOOTING 6.1 Troubleshooting The following guide lists the most common problems that may be encountered when operating this bar code printer. If the printer still does not function after all suggested solutions have been invoked, please contact the Customer Service Department of your purchased reseller or distributor for assistance.
  • Page 73 TTP-248M/2410M Bar Code Printer Service Manua power supply in the rear of and outlet. printer is set incorrectly. 2. Please set the voltage setting of power supply at the rear of printer to the proper voltage. 1. The label size is not set 1.

  • Page 74: Calibrate Gap/Black Mark Sensor

    TTP-248M/2410M Bar Code Printer Service Manua 6.2 Calibrate Gap/Black Mark Sensor 1. Gap/Black Mark Sensor Calibration This utility is used to calibrate the sensitivity of the gap/black mark sensor. The gap/black mark sensor should be calibrated whenever changing the label media or executing printer initialization.

  • Page 75: Dram Clear

    TTP-248M/2410M Bar Code Printer Service Manua 6.4 DRAM Clear Press the PAUSE and FEED button simultaneously for more than 3 seconds. The printer will clear the memory and reset the printer. Be sure to calibrate the gap register with blank label before printing. 6.5 Diagnosis Operation Procedure When the power is turned on without any button pressed, self diagnosis is performed automatically to test the available memory.
  • Page 76 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@mail.ts.com.tw FAX：+886-2-8913-1808 Web Site：http:// www.tscprinters.com...

This manual is also suitable for:

Ttp 2410mTdp 248mTdp 2410m

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