TTP-246M/344M Bar Code Printer Service Manual
Contents
1. 50 4 15 Replacing Internal Print Server 51 4 16 Peeler Kit Installation 54 4 17 Loading Label For Peel off 60 4 18 Cutter Module Installation 63 5 POWERUON BITIBEEIE S otio edad 64 5 1 Calibrate Gap Black Mark Sensor erede retient oiseau 64 De DOMMES 64 5 9 ede 65 6 TrOUDIGSDOOlIl T0 tinct Siete att seh asec A a 67 FN span ie cR 69 HISTO see dene 70 246 344 Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs 1 FOUNDAMENTALS ABOUT THE SYSTEM 1 1Printer Overview 1 1 1 Front View Aux LED Printer Right Side Cover LCD Display Keys Fig 1 1 Printer Front View 1 1 2 Rear View External Label Feed Opening Centronics Port RS 232C Port Power Switch Power Supply Connector Fig 1 2 Printer Rear View 1 TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs 1 2 Pinter Specification ___ memo Specification Printing Mode Thermal transfer and direct thermal R2. a 5 Remove the belts 6 Remove the outer E ring of the spindle Then move the pulley outer E ring of the Ribbon rewind spindle 7 Remove the outer E ring of the Ribbon rewind spindle Then move the gear 31 TTP 246M 344M Bar Code Printer TSC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs The outer E ring of the Ribbon rewind spindle Ribbon Rewind Spindle 8 Reassemble in the reverse procedures after replacing 32 246 344 ToC Service Manual Connecting Your Thermal Printing Needs 4 5 Replacing Ribbon Rewind Spindle 1 Refer to section 4 1 to remove the left side cover 2 Hefer to section 4 4 to remove the belt Pulley and gear Pulley Gear Belt 3 Remove the 3 screws Then Remove Ribbon Rewind Spindle Ribbon Rewind opindle 33 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Ribbon Rewind Spindle 4 Reassemble in the reverse procedures after replacing 34 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 6 Replacing Ribbon Supply Spindle 1 Refer to section 4 1 to remove the left side cover 2 Remove the screw through the hole of the pulle
3. ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 3 Replacing Power Supply Unit 1 Disconnect the printer power cord 2 Refer to section 4 1 to remove the left side cover 3 The left side face to power switch harness of power switch is red and the right side harness 15 black 4 Disconnect JP5 harness from the main PCB 5 Disconnect the harness that is connected between power switch and power supply unit 6 Loosen four screws on power supply unit which is fixed onto the printer ra VY Y 24 Power Supply Unit 7 Replace Power Supply Unit 8 Reassemble in the reverse procedure 29 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 4 Replacing Belt and Gears 1 Turn off the power 2 Use left hand to pull the belt use right hand to turn the gear to your right side in the same time to remove the belt completely Gear Pulley 3 Remove the 2 screws of the holder Holder Screws 4 Use the 1 5mm hex wrench to remove the 2 black Inner hexagon bolt head of the holder and then remove the stopper 30 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 5 hex wrench 2 black Inner
4. 19 9 11 9 RIDDOT ENA SONS Ol 19 1 4 TAC AC OPENS CIS OM E eee eae 20 3 11 5 20 3 12 SuimMahy Ol PCB cuoco 21 3 12 1 TTP 246M amp 344M 22 3 12 2 246 amp 344M PCB Bottom Side 23 A NNCCIANISI E 24 4 1 Remove Covers LCD Panel and Lower Front 24 4 2 Replacing the All Harness on Main 28 4 3 Replacing Power Supply 29 4 4 Replacing Belt and 30 4 5 Replacing Ribbon Rewind 33 TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs 4 6 Replacing Ribbon Supply 35 4 7 Replacing Label Supply 37 A S FCP IAC INGE T OO E 39 4 9 Replacing Stepping MOTOT ssc E 41 A 1 42 4 11 Replacing Print Head Adjustment 43 4 12 Replacing Gap Black Mark 45 4 19 Replacing HIDDODOGDSOES toe im tos te Staten 48 4 14 Replacing Print Head Lift
5. 4 Note In case if the screws were stripped do not fix new print head with used screws 5 Reassemble in the reverse procedures after replacing 4 11 Replacing Print Head Adjustment Knob 1 Lift the print head up 2 Remove the Nut from the Print Head Lift Lever Then remove the Print Head Lift Lever Nut Print Head Lift Lever 3 Remove the 2 screws these are on the TPH switch plate 43 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Remove these 2 screws 4 Remove the 4 screws these are on the Right Side Fixing Plate Right Side Fixing Plate and then remove the Print Head Adjustment Knob assembly o 5 5 5 Remove A B C D in order 6 Loosen M4 screw knob E and F 44 246 344 ToC Service Manual Connecting Your Thermal Printing Needs M4 screw Knob D C B A 7 Reassemble in the reverse procedures after replacing 4 12 Replacing Gap Black Mark Sensor 1 Disconnect Gap Black Mark Sensor harness from Main PCB 2 Remove the 2 screws these are connected the Gap Black Mark sensor and plate Screws 3 Loosen two screws on the Gap Black Mark Sensor Assembly 45 246 344 ToC Service Manual Connecting Your Thermal Printing Needs
6. 5 DIGITAL GND RESET 3 DIGITAL GND CLR 5 12 4HC12 E I PHASE cso 500pF Y 1 DIGITAL GND T 6 gt 11 4 2 7 n TT CUTTER a gt 5 C R37 DIGITAL GND R12 i SIW 10K R36 DIGITAL GND OK V DIGITAL GND 12 ANALOG GND 16 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs U15B 74HC123 controls the breaking of 014 014 is the driver of cutter s DC motor 3 9 Parallel Port Circuit Centronics port is SPP mode and one way communication 3 10 Serial Port Circuit CATAL ot U18 SP232A is RS232 asynchronous communication driver IC U19 is used for industrial long distance asynchronous communication U19 is optional for RS 422 485 TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 11 USB Circuit 5 USB INT USB RD JP4 HEADER 2 DIGITAL GND RSV 76 470 a X LED GREEN NO USE This is USB circuit This is standard USB1 1 3 11 1 Gap Black Mark sensor THEI 1 CEAN 224 MECH 1 1 E m ERE I ur Tue 2
7. 246 344 ToC Service Manual Connecting Your Thermal Printing Needs 12 Memory available 5 3 Printer Initialization Printer Initialization will restore printer settings to defaults Default settings are listed as below Property Saved Cleared by Default Value epee att sete when Turning off Initialization Power _ Reference Point 00 vs _ Gap Bline Sensor Gap Bline 0 12 3 mm Will be reset Need Transparency to re calibrate the Yes Ribbon Sensor 65 LCD Language English 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Download Files Please follow the steps below to initialize the printer 1 Turn off the printer power 2 Hold down the PAUSE and FEED buttons and turn on the printer power 3 Do not release the buttons until the Red LEDs flash in turn Note Printing method thermal transfer or thermal direct printing will be set automatically at the activation of printer power Note When printer initialization is done please calibrate the gap sensor again 66 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 6 TROUBLESHOOTING The following guide lists the most common problems that may be encountered when operating this bar code printer If the
8. 1001200001 Bit Bint 00700002 sensorwahie Eit0 Low disable igh enable 100180000 Address B Bier 1001280001 RTC data B Birr 00280002 Low low i a EMINET 00080003 motorphases __ lw _ 0000000 Case open sensor BRO Clos P igh Open 0000001 Ack Ato Ack BO Lowy Auto Ad High Control trrfnmvare 00500002 USE data Bite 00800003 USE 0080000 CentromicStoro Bit Loris hangin data Definition of other decode function TTP 246M 344M Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 6 Print Head Circuit STB1 and STB2 are the print head heating signal There is limit for RC heating time of 015 74HC123 it can avoid the print head over heating 026 15 used to protect print head and avoid the current appears in the improper time TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 Motor Circuit T COND This is motor circuit 012 013 are drivers to control the bipolar stepping motor by using full step control method 3 8 Cutter Circuit 49 amp luk X7 6 Cond R194 R195 VMM Jg YK 9
9. 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs 4 14 Replacing Print Head Lift Sensor 1 Open the Top Left Side Cover 2 Remove the Curly plastic pipe and pull out the harness 3 Disconnect all harness of Print Head Lift Lever Sensor Remove the 2 screws of Print Head Lift Lever Sensor 4 Remove Print Head Lift Lever Sensor Curly plastic pipe Screws 5 Reassemble in the reverse procedures after replacing 50 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs 4 15 Replacing Internal Print Server Module 1 Open the Top Left Side Cover 2 Use tool to break the reserved hole for installing the Internal Print Server Module Internal Print Server Module Break the reserved hole 51 TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 Install the Internal Print Server Module and screw 2 screws to connect the Internal Print Server Module onto the back plate Screws 4 Remove the centronic harness on PCB JP12 connector Connect internal print server centronics harness to main PCB JP12 Internal print server harness 5 Connect the 2 Pin white connector to location JP37 on the main board 52 TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing N
10. Screws 4 Remove the screw on the main frame The Gap Black Mark Sensor assembly is separated into upper part and lower part v Screw 2 2 5 Pull the upper part to the left side through the hole place the upper part upside down pull the lower part to the right side first and then pull out the upper part 46 246 344 ToC Service Manual Connecting Your Thermal Printing Needs i Upper part of Gap Black mark sensor assembly Lower part of Gap Black mark sensor assembly 6 Reassemble in the reverse procedures after replacing 47 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 13 Replacing Ribbon Sensor 1 Use screwdriver through the hole horizontally to remove the upper screw of Ribbon Sensor Hole Screwdriver 2 Remove the lower screw of Ribbon sensor Ribbon Sensor Lower screw of Ribbon sensor 48 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 Remove the curly plastic pipe that covers some harness on the left side plate curly plastic pipe 4 Disconnect the JP17 connector from the main board JP17 5 Reassemble in the reverse procedures after replacing 49
11. PF i Gap Sensor LI Nw PowerDom 5 WDTOVF O 5 Ll I O B Other define 1 2 Option mode is mode 1 MDO is high MD1 is low 3 4 1 5 AVcc 1 5V Crystal is 7 15909 MHz Clock mode is PLL ON x 4 MD2 is low 1 high TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 3 Reset Circuit um lt CITAL HE This is reset circuit 80846 is voltage detecting IC It can detect the voltage while the voltage is to 4 6V its output signal is high 3 4 Memory Circuit g DIGITAL GND cos 40 C 0 1 0 1 0 1uF DISTAL GND There are 2MB DRAM and 2MB flash ROM on board JP7 is memory card connector The memory card can be expanded to 8MB 11 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 5 Decoder Circuit and Memory Map HH The CPLD is used to decode the memory and other function Please refer to the memory map below 246 344 ToC Service Manual Co
12. Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 5 POWER ON UTILITIES 5 1 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 executing printer initialization Please follow the steps below to calibrate the gap sensor a Install the ribbon and label media as the above mentioned procedures and engage the print head lift lever b Hold down the MENU button to scroll the cursor to the item 2 Sensor Calib And then press the EXE INC button to execute gap sensor calibration utility 5 2 Self test To initiate the self test mode depress the MENU button Press MENU button to scroll the cursor to Printer test Press EXE button to enter the submenu and press MENU button to Printer Config Item Press EXE button to print printer internal setting In self test a check pattern is used to check the performance of the print head Following the check pattern the printer prints internal settings as listed below 9 pus Oo 35 Printer model and firmware version Check sum Serial port setting Code page setting Country code setting Print speed setting Print density setting L abel size setting Gap Bline width and offset setting 10 Backing paper transparence 11 File list 64
13. 11 mim 319 OOTEL 2 1 The gap sensor is see through sensor with 32 levels 2 Black mark sensor 15 reflective sensor with 32 levels 3 The GAP_ SENS signal is HIGH when the gap sens detected gap the BM SENS signal is HIGH when the block mark sens detected block mark 4 The gap sensor activates when GAP amp Black mark SW signal is high the black mark sensor activates when GAP amp BM SW signal is low 18 TTP 246M 344M Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 11 2 Case Open Sensor DIGITAL GND This is case open sensor circuit Case open sensor is a see through sensor The case opens when the CASE SENS signal is low the case closes when the CASE SENS signal is high 3 11 3 Ribbon End Sensor 74 205 U23E 0 R70 TE 210 74 25 U23F RIES 1 2 79455 RIBEON END SENSER 2 vaa ate 74 14 DIGITAL GND DIGITAL GND Ribbon end sensor is a see through sensor 1 There are 8 levels of adjustment tension to adapt different ribbons 2 The REND SENS signal is high when there is ribbon inside the REND SENS signal is low when there 1 no ribbon 3 The ribbon end tape should be transparent TTP 246M 344M Bar Code Printer TSC Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 11 4 Head Open
14. GND ANALOG GND DIGITAL GND The mainboard of TTP 344M 246M includes nine system blocks Memory System Sensor System Decoder System EEPROM LCD System Print Head Connector System Motor System Power System USB System Communication Port WD TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs The figure below shows the PCB system areas Communication Memory Sensor Port system MCU System a Nm gL LJ ne mum LCD pee Connector Decoder i 22 1 h USB Power Motor system system Fig 3 1 System Block of PCB 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Therma Printing Needs 3 2 MCU PIN Description A The Function is follow 40 0220001 02 PCB version PDO PDiS O DwaDO DiS _ POO POiS ________ 15 Address bus PBo Pe1 o ________ 16 7 Address bus PB PB AddrssAIB A2i Address bus 0 Active RAS DRAM control s
15. Sensor This is the see through sensor The HEAD SENS signal is High when print head opens The HEAD SENS signal is Low when the print head closes 3 11 5 Peel off Sensor This 1 a reflective sensor The PEEL SENS signal is high when there 1 label below the sensor the PEEL SENS signal is low when the label is taken away 20 246 344 ToC Service Manual Connecting Your Thermal Printing Needs 3 12 Summary of PCB connectors JP20 i M direct Thermal printer only 21 Connecting Your Thermal Printing 5 Your Therma Printing Needs TTP 246M 344M Bar Code Printer ToC Service Manual 3 12 1 TTP 246M amp 344M PCB Top Side JP23 _ 7 JP18 22 JP17 JP19 20 21 JP8 JP12 JP33 JP34 JP11 JP15 JP16 JP2 JP10 JP13 JP9 JP1 JP36 JP5 Cutter Driver IC 3953 22 246 344 Bar Code Printer Service Manual Connecting Your Thermal Printing Needs 3 12 2 TTP 246M amp 344M PCB Bottom Side e L2 SILK 2003 04 07 Stepping Motor Driver IC 23 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 Mechanism 4 1 Remove Covers LCD Panel and Lower Front Panel 1 Open Top Right Side Cover Top Right Side Cover Ed E gt 2 Loosen four screws to sep
16. TTP 246M 344M THERMAL TRANSFER DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs TABLE OF CONTENT 1 Foundamentals Abo t 1 idisse iul 1 1 1 uiis qud zi e CE 1 1 02 tay wanting E 1 22 gt 2 1 4 5 2 1 Label de nee ade 5 222 SOC CICA OM ae 5 SAM iso ION 7 7 3 2 MGU PIN DESEMOUON E 9 11 auem 11 3 5 Decoder Circuit and Memory 12 HEIC cU 15 foto O ERR RM 16 _______ _ 16 9 9 D3ratllelf or vett s ee 17 Senal PON 17 ECU aiaa 18 3 11 1 Gap Black Mark SENS Ol 18 311 2 Gase OPEN SENS OP
17. arate the Right Side Cover and Frame Screws Screws 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 Remove Top Right Side Cover 4 Loosen three screws to separate Main Frame and Left Side Cover Screws 25 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 5 Loosen screws on Top Left Side Cover Top Left Side Cover 6 Remove Left Side Cover 7 Loosen two screws to separate the LCD panel and Main Frame remove the connector from LCD panel and then remove LCD panel Screws 26 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 8 Loosen four screws and then remove Lower Front Cover Screws Lower front cover 9 Reassemble in the reverse procedures 27 246 344 ToC Service Manual Connecting Your Thermal Printing Needs 4 2 Replacing the All Harness on Main PCB Disconnect the printer power cord Refer to section 4 1 to remove the left side cover Disconnect all harness Remove screws on Mainboard and replace the Main PCB ko gt Main PCB J Reassemble in the reverse procedures 28 246 344
18. ds Liner Peel off roller 3 Press the button MENU SELECT under the message Fwd to feed the label forward a little bit Press the button PAUSE under the message Rev to reverse the label if it is necessary for adjusting the label Pull the liner outward tightly Close the Print Head Lift Lever L abel Liner 4 Close the lower front panel Pull the label through the Peel off panel upper opening the liner through the Peel off panel upper opening 61 TTP 246M 344M Bar Code Printer TSC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Label Liner 62 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 18 Cutter Module Installation Option 1 Remove the 2 screws of the peel off panel and uninstall the peel off panel if it is installed in the front panel Plug the mini DIN cable into the socket of the cutter connector Install the cutter module Notice The cutter module bracket should be mounted into the slots Fix the cutter module onto the printer cutter mount with a screw Install the Cutter Module Panel with 2 screws to the front panel Cutter Module Screw Mini Din Cable Cutter Module Panel d A _ O ower fon E panel 63 246 344 ToC
19. eeds 2 Pin white connector at JP37 6 Reassemble in the reverse procedures after replacing 53 246 344 Bar Code Printer TSC Service Manual Connecting Your Thermal Printing Needs 4 16 Peeler Kit Installation Option Checklist Peel off roller Peel off sensor assembly Peel off roller left side bush Peel off roller right side bush Left side spring leaf Right side spring leaf Washer Screw 1 Open the lower front panel and the printer right side cover o4 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 2 There is a notch near by the platen roller bearing Notch for peel off roller left side bush Notch for peel off roller right side bush 3 Insert the peel off roller left side bush to the notch at the middle plate and insert the peel off roller right side bush to the notch at the right frame Please refer to the magnified left and right side bush location for installation 55 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Insert the left side first Left side Right side Bush location Bush location 56 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs 4 Fasten the leaf springs and washers with screws to fi
20. esolution 20 246 300 DPI TTP344M 1000 mm TTP246M 460 mm TTP344M 108 mm 246 104 mm TTP344M 3 4 5 6 ips TTP246M 2 3 4 ips TTP344M x 5 5 t D 5 mE 5 a lt X 20 5 7 gt 5 40 C 30 85 10 60 C 20 95 Free air environment gt 3 3 2 is T7 X lt gt D D Label gap sensor ribbon end sensor black mark sensor head open sensor label taken sensor 232 RS422 485 option Centronics SPP USBV1 1 and internal LAN adapter option 4 inch width Paper thickness up to 0 25 mm Power 100 240 V universal switching power supply Other Real Time Clock PU HITACH SH2 7040A PH 246M KPC 108 8TA01 344M KPC 106 12TA01 KH42JM2B165 5 CD D 2 D e o dio CE UL CUL BSMI FCC Class A TUV GS Memory Flash ROM 2MB DRAM 2MB and 8M optional flash OIO O 3 O 5 F TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs Communication Interface RS 232C DB 9 at 2400 4800 9600 or 19200 baud rate Peeler Mini DIN Connector Pin Assignment TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs Mini DIN PCB JP20 co
21. ignal _ pes 0 Ace CASL DRAM control signal O Ace CASH DRAM control signal _ Pes _ Read Write ROWR DRAM control signal Po 1 0 PM RSeDX ilave Pa _ PM h Ps Sci __ 0 ics paz lt pas 802 _______ 1 USBiemp _ O ____ 00 __ 0 St _ WielowBye Pia ____ Write High Bye paa 00 Active PAIS O ___ __ 0 _ __0 ___ _ pes __ 0 ___ Power Enable _ pea Menukey pes O EmbePE5 9 TTP 246M 344M Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs TIOC2A Ribbon Near End Sensor EnablePE7 _____ 3 E Paper Near Sensor E M T NN use Suspend 71117 Feed Key pes 1 Enable PE15 Head Sensor _ po 1 Ph 1 Temperate _ pre i Cutter Sensor _ pra 1 ___ Sensor prs i Enabe ibbonEndSensr _ pre i Enabe PF BleckMakSemor _
22. ly b Re calibrate the 67 246 344 Bar Code Printer ToC Service Manual 2 Labels may be stuck in gap black mark sensor side print mechanism 2 Remove the stuck label Carriage open printer carriage is open Please close the print carriage Memory full The space of FLASH DRAM Delete unused files in the FLASH DRAM 1 full FLASH DRAM 1 The serial port setting is Please reset the serial port not consistent between setting No printout printing host and printer 2 Please replace the cable through serial port 2 The serial port cable pin with pin to pin assignment configuration is not pin to pin assignment 68 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 7 MAINTENANCE This session presents the clean tools and methods to maintain your printer Use one or more of the following supplies that meets your needs B Cleaning pens B Cleaning swabs B lint free cloth The cleaning process is described as following Printer Head B Let the print head to cool for one minute B Use a cotton swab and 100 ethanol to clean the print head surface Platen Roller B Rotate the platen roller and wipe it thoroughly with 10096 ethanol and a cleaning swab or lint free cloth Wipe it with water dampened cloth Note Do not touch printer head by hand If you touch it careless please u
23. nnecting Your Thermal Printing Needs Wer 200475712 0200 0000 00 0000 000 0003 DREAMSPACE 0008 DOED 0001 0100 0000 0000 0000 00028 0003 00128 00028 _ 00125 00018 _ 0008 00008 _ 0070 0003 0070 0002 0020 0001 0080 0000 0000 0000 oooh Memor 000 8 0002 LCD Card 0068 0001 MEMORY LOAD 0040 0000 DOCS 00008 _ 006000031 00600002 00600001 _ poco 0000 Bu C 0000 0010 0000 0000 0000 13 TTP 246M 344M Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs i Mame Et Bitdi Stabs 0000000 Centronicdata Bit 00000001 control Bit Low Paper emor o Low Bigh Printer eror Low Mot Select 0000002 BUZZER Low Power on o iE 1 _ 1 Low Power off Lg Ep zh Poner on 00680001 Memorzload Bit Enable Lora Update mode ig Homa type 00680002 LCD control 05 ______ LLL LL LL High enable BH LD Sa igh erable p _ ____ 1542 LCDIvI Low Command __ ____ 1 Bee See 00 80003 LCDdaa B Birr 00700000 Black Mark esor mah Eitte Bitt
24. nnector 1 3 Available Bar Codes Code 39 Code 39C Code 93 128 subsets A B C Codabar Interleave 2 of 5 EAN 8 EAN 13 EAN 128 UPC A UPC E EAN and UPC 2 5 digits add on CPOST MSI PLESSEY POSTNET EAN 14 14 417 Maxicode DataMatrix QR code TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs 2 SUPPLY SPECIFICATIONS 2 1 Label Specification Roll and label Continuous die cut fan fold ticket and Type tag is option Label Width 25 4 116 mm 1 4 4 TTP 246M 10 1000 mm 0 4 39 33 TTP 344M 10 460 mm 0 4 187 Label Length 2 2 Ribbon Specification Ribbon Width 25 4 114 3 mm Ribbon Length 300 m Max Note The maximum length of ribbon depends on its thickness and core outside diameter The formula below defines the correlation between ribbon roll length and ribbon core diameter 0 41 Le where J TTP 246M 344M Bar Code Printer Service Manual TSC Connecting Your Thermal Printing Needs Your Thermal Printing Needs L Ribbon length D Max roll diameter d Ribbon core outside diameter t Ribbon thickness a add s 105 0 5 25 0 5 1 TTP 246M 344M Bar Code Printer Service Manual Connecting Your Thermal Printing Needs 3 CIRCUIT DESCRIPTION 3 1 PCB Functi
25. on V DIGITAL GND delay dela RTS AF ACK ERROR PE SLCT STROBE BUSY J nq 4 2 NMI 2 8 p MDO Aa gt gt Alo 5 5 ad 1 gt TH LCD LIGHT PAORXDO amp TXIX x 2 RTC AS MEM LOAD 4 a RESET ROM PAS TCLAD IRQ ROM LCD Dt LCD Di n a D LCDE 9451 LCD LATCH CT EN D3 6 De ACE GSROCS St X ud 4 6 63 4 _ D 2 2 09 ma Di Dii x PDilDII Di A SH 040 gt Dis 2013 1013 D PDi4D14 I woe 1 5 1 Caras t PNE END SENS 6TCLKAICS 1 DIGITAL GND RNE END SENS tacsi i i PAJTCLKR CSI T OAPI PA SCKO DREQO RG CASE SEN GAP o 4 AAN GAPS f 4150 V k GAPS pi T GAP SE GAP gt SENS 1 RI RED PEEL 22 Dic x OND BACKUP 10 o1 NI BACKUP JO T NC PEIL TIOCAB MRES 18 ik PEM TION DIGITAL GND AN ADA lt DREQI TCLAO IRQ Z DIGITAL GND DIGITAL
26. 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 Phenomenon Cause of Errors Recovery Procedure Running out of ribbon 1 Supply a new ribbon roll The ribbon is installed 2 Please refer to the steps in No ribbon incorrectly user s manual to reinstall ribbon sensor is not the ribbon been well calibrated 3 Please calibrate the ribbon sensor Running out of label 1 Supply a new label roll The label is installed 2 Please refer to the steps in incorrectly user s manual to reinstall No paper The moveable gap black the label roll mark sensor is not placed 3 Please move the sensor to in the proper location the proper location Dirt is accumulated on the 1 Please refer to the steps in print head user s manual to clear the The density setting is not print head set properly 2 Adjust the print density and Poor printing quality 3 Ribbon and media are speed incompatible 3 Change proper ribbon or The pressure of print head proper label roll is not set properly 4 Adjust the print head pressure adjustment knob The power cord is not 1 Please check whether the Power indicator does properly connected power cord is well not illuminate connected between printer and outlet 1 The label size is 1 a Reset the label size iih proper
27. reless p t server C Camille 2 Revoke part number for 98 1000017 00LF External Ethernet print server Z US amp 98 1000018 00LF External Ethernet print server Z EU parallel port 3 Modify description for 98 1000008 00LF External 70 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Etherne rint server C US 98 1000009 00LF External Ethe t print server C EU 98 1000019 00LF External Ethernet print server Z US 98 1000020 00LF External Ethernet print server Z EU 98 1000011 00LF External wOless print server C US and 98 1000012 00LF Externa ireless print server C EU 2008 6 30 Remove the parts list section 71 TSC Auto ID Technology Co Ltd Corporate Headquarters 9F No 95 Minquan Rd Xindian Dist New Taipei City 23141 Taiwan R O C TEL 886 2 2218 6789 FAX 886 2 2218 5678 Web site www tscprinters com E mail printer sales Q2tscprinters com tech support 2tscprinters com 72 Li Ze Plant No 35 Sec 2 Ligong 1st Rd Wujie Township Yilan County 26841 Taiwan R O C TEL 886 3 990 6677 FAX 886 3 990 5577
28. se ethanol to clean it industry alcohol Please do not use regular alcohol which may damage the printer head 69 246 344 ToC Service Manual Connecting Your Thermal Printing Needs UPDATE HISTORY 2006 3 28 1 Modify to RoHS version Camille Camille 2006 6 9 1 Modify the 5 3 item 8 Main board ass y from 98 0220085 00LF to 98 0220085 10LF Modify the 3 9 parallel port circuit figure 2006 8 28 1 Add 5 3 item 11 External Ethernet print server Z Camille 2007 1 17 1 Add 5 3 item 11 External wireless print erver US and External wireless print Add 5 3 item 12 Cutter driver A3952SB Non RoHS 2007 3 8 1 Add 5 2 item 12 Media guide bar part number Camille 2007 3 9 1 Modify 5 3 item 11 External Ethernet print s er Camille Camille C part no 2007 4 12 1 Modify 5 2 accessible parts drawing Camille 2007 4 14 1 Update TSC e mail address Camille 2007 5 31 1 Update printer Initialization section Camille 2007 6 13 1 Update Power supply unit part no from ONE amille 62 0180001 00LF to 62 0180001 10LF 2007 79 1 Add cutter off and peeler Mini DIN connector pin Camille assignment 2007 8 1 1 Company information update Camille 2008 1 23 1 Modify description for 98 0220077 00LF Internal Ethernet print server T 98 0220078 00LF Internal Ethernet C and 98 0220079 00LF Internal wi
29. uminum made Pulley Screw 39 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 Pull the platen to the right side Remove the left and right shaft bearing on the Platen Platen shaft bearing 4 Install the bearing on the new Platen 5 Reassemble in the reverse procedures after replacing 40 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs 4 9 Replacing Stepping Motor 1 Remove Stopper and loosen two screws of Holder Stopper Screws Holder 2 Refer to section 4 4 to remove Belts and Holder 3 Loosen four fixing screws on the Motor Screws Screws 4 Remove stepping motor harness from Main PCB 41 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Stepping motor 5 Use 1 5mm hex wrench to remove the2 screws on the stepping motor pulley and 2 screws on the stopping 6 Reassemble in the reverse procedures after replacing 4 10 Replacing Print Head 1 Must turn off power while replacing print head otherwise the damage of print head may occur 2 Disconnect print head harness 3 Loosen two screws the Print Head and Print Head Bracket Screws 42 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs
30. x the left and right side bush Washer is placed between leaf spring and screw TTP 246M 344M Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Left side leaf spring Right side leaf spring Screw Screw 5 Hook the peel off sensor on the bar which is near by the peel off sensor connector Plug in the peel off sensor assembly to the connector Peel off sensor Bar assembly connector Print head pressure adjustment knob Peel off sensor assembly 58 TTP 246M 344M Bar Code Printer TSC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs Plug in the peel off sensor assembly to the connector 59 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 17 Loading Label For Peel off Mode 1 Open the Print Head Lift Lever The message CARRIAGE OPEN will be shown on the LCD screen and the RED LED is on The LCD panel shown as below Print Head Lift Lever OM LIME ERROR CARRIAGE OPEN Fw WENU PAUSE FEEL SELECT 2 Remove first label from the liner Insert the liner into the gap between Platen and Peel off roller 60 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Nee
31. y Then remove other 4 screws of Ribbon supply spindle Screw The hole of the pulley Screw Screw 3 Remove Ribbon Spindle 35 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs a Ribbon supply spindle 4 Reassemble in the reverse procedures after replacing 36 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 7 Replacing Label Supply Spindle 1 Refer to section 4 2 to remove the Main PCB 2 Remove the 4 screws from the label roll fixing plate 5 5 3 Remove the 3 screws these are used to connect the label supply spindle onto the main frame SCrews 37 246 344 ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 Remove the Label Supply Spindle Label Supply opindle 5 Reassemble in the reverse procedures after replacing 38 246 344 Bar Code Printer ToC Service Manual Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 8 Replacing Platen 1 Remove Print head lift lever latch and Platen Support Plate Platen Support Plate Print head litt lever latch 2 Loosen the 2 screws on the Aluminum made Pulley Al
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