TTP-243 Pro
Contents
1. Peel Off Sensor Cable Tie Connector Cutter Connector aig ii Cable tie and peel off sensor connector 7 Remove the screws on the lower left and lower right corners of main mechanism Remove the screws in the lower left lower right corners of the main mechanism 17 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 8 Remove the four screws of the internal label roll mount Fig 3 18 Remove screws of the label roll mount 9 Move the mechanism about 5 mm in the label feed direction 10 Take out the internal label roll mount and remove the connector Push Button Connector y N m 4 3 apos et jw Ground Wire Take out the internal label roll mount and remove the connector 18 TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs 11 Remove the screw of ground wire on the mainboard 12 Remove all connectors on the mainboard 13 Take out the mechanism 14 Remove the rest three screws on the mainboard germ P ay TaT et NJM371702 NJM371702 NA panini JRC U5046E JRC U6046E JRC U5046E ECL LU Lr GF LECT Upper Left Upper Right Lower Right Corner Screw 15 Replace the mainboard 16 Reassemble the mechanism and internal label roll mount in the reverse procedures of the removal 19 TTP 22. 38 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 FUNDAMENTALS ABOUT THE SYSTEM 1 1 Features of the TTP 243 Series 1 This bar code printer prints bar codes characters logos on various types of labels and tickets by direct thermal or thermal transfer printing 2 This printer adopts a BASIC like high level programming language to help users programme the desired label forms with ease 3 This 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 This bar code printer provides a selection of optional features including cutter module memory module portable LCD keyboard etc 5 The user friendly labeling software package is bundled with printer 1 2 Model Naming Syntax T T P 2 4 3 1 2 3 4 1 Print method Thermal Transfer Printing TDP Thermal Direct Printing 2 Resolution of print head DPI 3 Maximum print width Inch 4 Maximum print speed Inch Sec TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 3 Overview 1 3 1 Front View OI Cover Release Button PWR ON LINE and ERR Ind
3. PDF 417 Maxicode DataMatrix QR code Aztec TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 7 Various Sensors Feed Gap Sensor The feed gap sensor detects a label gap to locate the starting print position of the next label The sensor is mounted 4 mm off the center line of the main mechanism In case of Label E S ia fl tot o Ro ee te 4 tad UE Za x RS NE UE a t t t t te P o oo T rr o o o S 4 d SEN Fa UMS MEN toe et oo o k t folate up dai qo vi nbn oe E Lebe Xd 4 WX Rock Bu ge es Sp ag my 0 eu oes oe X S DEVE lens m aed wok al aries M o cB Eoo ook p db E SEHE gt NINE H UE o o od o o 4 p t e e eoo oko bu S t o oH oto e meet CY Oe ne c RAD Mese s kw wb PIS LEMORSOIGEURTIGECURCTGRO vA Py be ut DEL o S 4 usu WO E Rat ee FTE Ub Cd GU Pee TES SEE tke r O e Accu aio pr cM RII
4. I I A ll r r V Y X f aD de SE Fou UE HEC deum ep A TRES epu Dm X M Wu d IUE AR AC h S AES IR qe ae ees Pe cas er EO EL eR Red es etta ttt ttu a tutt tat tutta PX ekod Rodi E ROC ACRI d Sabi ot ot to tle s ele NE ee CEU OR E UE 2 T j Ve nek UN NU gad S e a t t t t o t eo or on t t t e t o AUC UR GR Ud ue AS ck ye Y Ghote SM DE Ae ee MU EU MQ aK Va Q e VELA Q SQ REL EU A ttt ttt PA a vee 25 T Sa PR re de ee 2 1 gt lc f 5 i Black Mark Sensor The black mark sensor locates the position of label by emitting infrared rays onto the black mark at the back of the ticket The sensor is mounted 5 75 mm off the center line of the ticket roll width on the mechanism TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs In case of Ticket The default sensor position is 1 as shown on the figure below To change to the 2 position the customer should notify the manufacturer in advance There can be only one position for the sensor O
5. Installation Option Not available for TTP 243E Pro model 20 4 3 Punt Head HeplaeelTiBlio 21 4 4 DO Moor HebIacemelll cssoie E 23 4 5 Ribbon Rewind Spindle Encoder Replacement 24 AO Eelbrabric epiac loea um dos etat hias 25 4 7 Stepping Motor Replacement 27 4 8 Black Mark Sensor Gap Sensor Receiver Replacement 28 4 9 Ribbon Sensor Receiver 29 4 10 Ribbon Sensor Transmitter Gap Sensor Transmitter Replacement 31 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs AAA PRlaten Replacement uu uuu a 32 5 TROBBEE SHOOTING u x seacoast etc aes Enea cee ceca eo ecco ceci 35 S DEOBDIe SNOG UNO kosea 35 5 2 Calibrate the Gap Redi tE hee atento amata stes 36 5 ee 36 GIG dl aar ena 36 5 5 Dlagriosis Operatlori Procedure eo eoe eee 36 5 6 I M pe S M Eo AU MERO 37 Gleaming ine PHU EPIeSO sc epu p m tun nap cea nU SN t Mix
6. with self peeling function Not available for TTP 243E Pro Buzzer provided to warn of possible errors Not available for TTP 243E Pro Label stock and thermal transfer ribbon are easy to install Internal label print counter Self test and hex dump mode Downloadable fonts from label design software Electronics Communication Specifications m Electrical DC Motor DC24V Memory SDRAM 8 Mb Flash 4 Mb Adapter 100 240VAC 10 50 60Hz Regulations FCC Class A CE Class A C Tick Class A TUV Safety CCC m Communications Interface Serial port RS 232C DB 9 at 2400 4800 9600 or 19200 baud rate Word Length 7 or 8 data bits 1 or 2 stop bits selectable parity Handshaking XON XOFF and DSR DTR Parallel port Standard parallel interface Input Buffer 64KB m RS 232 Interface Pin Configuration TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Printer Function TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 5 Effective Print Area Label Ticket Length Effective Print Length 1 6 Available Bar Codes 1D bar code Code 39 Code 93 Code128UCC Code128 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 MSI PLESSEY POSTNET RSS Stacked RSS14 Code 11 China Post 2D bar code
7. 43 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 2 Cutter Installation Option Not available for TTP 243E Pro model Turn off the printer power Open the top cover of the printer Remove the printer front panel slowly and carefully Cf 4 1 section Remove the two screws and the metal cover Cf 4 1 section Release the cable tie and remove the peel off sensor connector Cf 4 1 section Remove the peel off sensor connector Plug in the cutter connector Insert the right and left side flange of cutter into the slot CONDO Of Left Flange Right Flange Cutter Installation 9 Fasten the cutter from the bottom of the printer with the provided screw 10 Make sure no screws or other parts are left in the printer 11 Reassemble the mechanism and internal label roll mount in the reverse procedures of the removal 20 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 3 Print Head Replacement 1 Turn off the printer power 2 Remove the RS 232 cable 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 The Print Head Screw 7 Disconnect the print head cable Print Head Cable Key of the Print Head Connec
8. N EN N Z X 2 A iet e Je _ MA 1054x0 5 pou iu spindle ribbon ink surface TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 ELECTRONICS 3 1 Summary of Board Connectors Main board 81M les Hn z m zm 1 M zi S m aiii SEHE T 0 mm E Um dr mA Ez prs LIERCEEEE ERE ERE FU E UL LU i gs Mat 1 E 3 2 89 EN Em E mim Teesee B he zd 1 i Lic CE MM i Ea LI za La Ten bL 18 Hu an FH B H lt G m n Ez aA n P Comedor Depo Remak 1 Ribbon sensor connector JP18 Black mark sensor connector JP46 Pin Description _ Power SV O Black mark No paper or black mark 3 1 3 2V sensor receiver 291901 n 0 0 3V 3 GND O 12 TTP 243 Pro 243E Pro 342 Pro wosmw 5 TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Pin Description Voltage T 0 C rr
9. TTP 243 Pro 243E Pro 342 Pro THERMAL TRANSFER DIRECT THERMAL BAR CODE PRINTER Service Manual TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Table of Contents 1 FUNDAMENTALS ABOUT THE SYSTEN 1 1 1 Peatures Othe FETPS249 SO Il8S es epa ot pesa a qasa 1 1 2 Model Naming SyntiSX roc diio asset o Edad tub 1 ES OVerVIe W Rd ae es 2 Set ROU S u u etree 2 3 1 4 de rlexejo te lieto RIMIS C T 4 Ellecriive cilc RE c 6 vente desee EE E E SATT dor A EE S 6 1 E 7 2 SUPPEY SPECIFICATIONS pui iiic uuu ub edo ad cuire 9 ADC TT 9 2 2181 Il ETE 9 2 9 Hibbon Si s and SNANES oie 11 39 ELECTRONIGS u M 12 32 Or Board GONNMCCIONS u u un uuu ae saaa i 12 S524 GOnUguirall olyu k Mme ee eet EEN S 14 MECHANISM eer 16 4 1 Mainboard ReplaceMentt cccccecceecceeeceeeceeeceeceeceeeeeeeseeeeeeeeeeeeeeseeeteeeseeeseeeteeees 16 4 2 Cutter
10. bbon sensor is out of order B Checking DC Motor Encoder Sensor owitch the multimeter to the DC gear Connect the black wire to DC GND and the red wire to PIN4 of U35 1 When gap of the gear box is detected by the DC motor encoder sensor the measured voltage should be 5 Vac 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 with the two cases above Or else the DC motor encoder sensor is out of order C Checking Black Line Sensor Switch the multimeter to the DC gear Connect the black wire to DC GND and the red wire to PIN2 of U2 Load black line label on the printer 1 When black line is detected by the black line sensor the measured voltage should be 3 Vdc 2 When black line is not detected by the black line sensor the measured voltage 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 3 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 5 7 Cleaning the Print Head The printer should be cleaned regularly to retain high quality and optimum performance The greater the usage of the printer the more frequent the cleaning Always turn off the printer before cleaning the print head Allow the printhead to cool for a minim
11. ectional A low on this line indicates that there are valid data at the Device When this pin is de asserted the ve clock edge should be used to shift the data into When in reverse direction a high indicates data while a low indicates a command cycle In forward direction it functions as PtrBusy low device acknowledges reverse request tis Defined NAN 32 Error Fault E low set by the device indicates that the reverse data is available Connecting Your Thermal Printing Needs Your Thermal Printing Needs TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer 33 35 Ground No Defined TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 MECHANISM 4 1 Mainboard Replacement 1 Turn off the printer power 2 Remove the power cord and RS 232 and or USB cable 3 Open the top cover of the printer 4 Remove the printer front panel Remove the front cover in the direction of the arrows 5 Remove the two screws and the metal cover Screws Metal Cover Remove the screws and metal cover TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 6 Release the cable tie and remove the peel off sensor connector Not available for TTP 243E Pro model amn if T ERN i 4 e
12. el entails that of its backing paper 3 In the peel off mode the minimum pitch is 35mm 4 In the cutter mode it is required the paper be wound outside Otherwise paper jam tends to result 5 In the cutter mode the paper thickness is 0 2 mm at maximum and the paper weight is 100 g m at maximum 6 Paper shape is as shown on next page 7 Tag is 0 2mm in thickness and is less than 100g m in weight TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs PAPER LABEL CORE ROLL ID DIA GAP LENGTH LENGTH PITCH PAPER LENGTH PAPER WIDTH TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs 2 3 Ribbon Sizes and Shapes Specifications Hibbon shape Spool type 110 Ribbon width Min 40mm mE 110 Ribbon winding width Min 40mm Leading tape Polyester film 335 5mm long End tape Polyester film transparent 250 5mm long Max ribbon OD b67mm Winding method Ink surface to be wound outside 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 D d xz 4t L Ribbon length D Max roll diameter d Ribbon core outside diameter t Ribbon thickness L where A
13. icators PAUSE Button FEED Button Label Dispense Opening Liner Opening For use with peel off function Not available for 243E series printer TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 3 2 Rear View 1 Power On Off Switch 2 Power Supply DC Jacket 3 RS 232C Interface Connector 4 USB Interface Connector 5 Label Insert Opening For use with external media 6 Centronics Interface Connector Factory option TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 1 4 Basic Specifications m Thermal transfer and direct thermal printing m High dot density printing 243 Pro series 203 dots inch 342 Pro series 300 dots inch m Selectable print speeds at 1 5 2 0 or 3 0 per second 243 Pro series 1 5 2 and 3 ips 342 Pro series 1 1 5 and 2 ips m Supports RS 232 serial and USB interface Factory option for RS 232 and Centronics interface Maximum media width up to 4 49 114 mm Adjustable label edge guide International character sets Print area TTP 243 Pro 243E Pro 4 09 W x 90 L TTP 342 Pro 4 09 W x 40 without any file downloaded in the printer memory User selectable bar code ratios and heights Prints on labels or tickets Equipped with black mark sensor Equipped with Real Time Clock Not available for TTP 243E Pro Comes
14. mainboard 14 Take out the mechanism 15 Remove the cable tie 16 Remove the three screws on DC motor fixture DC Motor Fixture DC Motor Fixture 17 Remove the two screws used to fix DC motor on the fixture 18 Replace the DC motor and pull out the cables in connector JP37 Note The colors of DC motor wires in connector JP37 are yellow outside and green inside 19 Reassemble the removed parts in the reverse order of the removal 23 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 5 Ribbon Rewind Spindle Encoder Replacement The encoder is installed on the gear box of DC motor and is used to detect if the ribbon is unerringly rewound by the spindle The encoder is connected to JP37 on the mainboard Please switch the printer to thermal transfer mode The multi meter is used to measure the voltage of Pin2 45V If the voltage changes continuously from 0 to 5 volts DC the encoder is in condition Otherwise please follow the steps below to replace the encoder PCB 1 Follow directions in Section 4 4 to remove DC motor and DC motor fixture DC Motor Encoder 2 Remove the two flat tap screws and cable tie 3 Replace the Encoder PCB 4 Reassemble the removed parts in the reverse order of removal 24 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Need
15. nce the sensor position is agreed upon it can not be changed afterwards sensor position 58 2 RT D sensor position 5 75 Block Line View from back of the Print Surface Feed Min Ma 30mm 3mm Ribbon End Sensor The sensor detects the end portion of the ribbon The ribbon end must be transparent Label End Sensor The sensor detects the end portion of the label Peel off Sensor The sensor detects the backing paper of a label Ribbon encoder The encoder is used to detect if the ribbon is broken TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs 2 SUPPLY SPECIFICATIONS 2 1 Types of Paper Two types of media are available for T TP 243 label and ticket In T TP 243 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 2 2 Specifications Wem dae _ 114 i o Length Pitch 12 2286mm Paper Thickness 9 20 mm Paper Weight 240 g m Max Roll Inner roll diameter Max 4 3 110mm Diameter 1 core External roll diameter Max 8 4 Roll Up Method Print surface wound outside as standard P aper Core ID 25 7 0 3 Note 1 The width and thickness quoted above are said of the label plus its backing paper 2 Likewise the approval of lab
16. ngs and spring bushing on both sides of the mechanism Spring Installation on Left Side and Right Side Note The left side spring and the right side spring are different in shape The right side spring has a straight end when the left side spring has an end that is curved 90 degrees 4 The main mechanism is divided into upper mechanism and lower mechanism 5 The ribbon sensor receiver is located in the upper mechanism 6 Remove the screws on the ribbon sensor cover Print Head Sensor Cover Flat Tap Screw Ribbon Sensor Cover 29 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 7 Replace with a new ribbon sensor PCB Ribbon Sensor 8 Reassemble the removed parts in the reverse order of removal 30 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 10 Ribbon Sensor Transmitter Gap Sensor Transmitter Replacement 1 Follow the instructions in Section 4 1 to remove all the connectors on mainboard 2 The ribbon sensor transmitter is located in the center of the lower mechanism RIBBON Ribbon Sensor Transmitter 3 Remove the two flat tap screws 4 Remove the cable tie and sensor PCB 5 Replace with a new PCB Reassemble the removed parts in the reverse order of removal 31 TTP 243 Pro 243E Pro 342 Pro Bar Code Printe
17. nter will calibrate the transparency of the backing paper and adjust the gap register 5 3 Self test Install the label Turn on the printer power while pressing the FEED button the printer will Print head checking pattern Calibrate the label length Print internal settings Initiate self test Enter dump mode 5 4 Ram 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 5 5 Diagnosis Operation Procedure When the power is turned on without any button pressed self diagnosis is performed automatically to test the available memory If any error occurs during this period the ERR light will flash Do the self test and inspect the test pattern to check if the thermal head is available 36 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 5 6 Testing Sensors A Checking Ribbon Sensor owitch the multimeter to the DC gear Connect the black wire to DC GND and the red wire to PIN2 of JP18 1 When ribbon is detected between TX and RX of the ribbon sensor the measured voltage should be 5 Vac 2 When ribbon is not detected between TX and RX of the ribbon sensor the measured voltage should be 0 Vac The ribbon sensor is normal if the checking complies with the two cases above Or else the ri
18. ove the two screws of the stepping motor Stepping Motor 4 Replace the stepping motor and reassemble the removed parts in the reverse order of removal 27 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 8 Black Mark Sensor Gap Sensor Receiver Replacement Black mark sensor is reflection type sensor It is connected to JP46 3 pin connector A multi meter is used to measure the signal of Pin2 to see if there is voltage variation when black mark is detected Before conducting the test please issue the BLINE command first The printer will switch from gap sensor to black mark sensor If there is no voltage variation please follow steps below to replace the black mark sensor gap sensor receiver PCB 1 Follow the instructions in Section 4 1 to remove all the connectors on mainboard 2 Take out the mechanism 3 Remove one flat tap screws and black mark sensor PCB X 29 e A man v Black Mark Sensor and Gap Receiver Sensor 4 Reassemble the removed parts in the reverse order of removal 28 TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 9 Ribbon Sensor Receiver Replacement 1 Follow the instructions in Section 4 1 to remove all the connectors on mainboard 2 Take out the mechanism 3 Remove the screws spri
19. r Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 11 Platen Replacement 1 Follow the instructions in Section 4 7 to remove the two screws stepping motor and stepping motor cover 2 Remove the E ring and two gears Thermal Head Printer Carriage Release lever arm Gear 1 E Ring Gear 2 Location of E ring and Gears 3 Remove the E ring and the printer carriage release lever on the left side of the mechanism 4 Remove the E ring and the printer carriage release lever arm Bracket Thermal Head Printer Carriaae E Ring Printer carriage release lever and E ring 32 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Stripper Bar Platen Bush Printer Right Side Carriage Helease Lever Teflon Tube i ix B v il Printer carriage release lever arm and E ring 5 Remove the teflon tube and stripper rod Teflon w Teflon tube and stripper rod 6 Remove the E ring the right side and left side platen bushes 7 Remove the stripper bar Platen Bush Left Side E Ring Remove E ring and platen bush A 33 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 8 Move the platen to the right of the mechanism 9 Replace the platen and reas
20. r Emitter off 2 As 2 7V 123a3e 3 Power SV 4 GND 0OV y o No paper or gap 3 1 3 2V 5 Gap sensor receiver Doct paper 00 3V O 1 Ribbon encoder sensor amp DC motor connector 8 Serpio motor connector 6 Printhead connector 1 11 1 111 L SE memory card module 8 Micro processor o 9 Powerswitch 10 Power supply output 24V DC connector 1 RS 232C connector TP 12 Centronics port connector Option 13 JUSBcomedtor PD Push button connector JP52 LED light on 2 0 2 2V a FED OR LED light off 0 0 3V LED light on 2 0 2 2V LED green ONLINE LED light off 0 0 3V OV Push Sl OV Push key Feed switch x Stand y Sandoy 5 LED light on 2 0 2 2V 654321 g S ad LED light off 0 0 3V Cutter peel off sensor connector Option for TTP 243 342 Pro not available for TTP 243E Pro v Battery Not available for TTP 243E Pro B TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 3 2 Pin Configuration RS 232C c UJ Centronics Pin SPPMode Nibble In Out _ A low on this line indicates that there are valid data Strobe at the host When this pin is de asserted the ve clock edge should be used to shift the data into the 29 07 Bus Single dir
21. s 4 6 Felt Fabric Replacement Felt Fabric is located in the ribbon supply spindle It is used to tighten the ribbon to prevent it from getting wrinkled during printing If the ribbon can not be tightened when label back feeds during printing please replace with a new felt to secure the best printing quality Follow the steps below to replace the felt fabric 1 Follow the instructions in Section 4 4 to remove DC motor and DC motor fixture 2 Remove the E ring and washer on ribbon supply spindle E Ring gt Spring Holder Ty d i Washer 2 Spring EP MD p g W Spring Cover a di A Felt Clutch Compression Felt Fabric Spring Components of the Ribbon Supply Spindle 3 Remove the spring cover compression spring and spring holder 4 Remove the spring felt clutch and felt fabric 5 Replace with a new felt Side View of the Ribbon Supply Spindle Assembly 25 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 6 Reassemble the removed parts in the reverse order of removal Front View of the Ribbon Supply Spindle 26 TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 7 Stepping Motor Replacement 1 Follow the instructions in Section 4 1 to remove all the connectors on mainboard 2 Take out the mechanism 3 Rem
22. semble the removed parts in the reverse order of removal 34 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 5 TROUBLE SHOOTING 5 1 Trouble Shooting 1 Ribbon does not advance Check the printing mode setting and reset the printer 2 Poor print quality Clean the print head Adjust the print density setting Only prints diagonal pattern in the self test Ribbon and paper are incompatible Use a different type of ribbon 4 Power indicator light does not illuminate Check 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 remains illuminated Out of paper or out of ribbon Check the DIP switch setting Check the paper core make sure it is installed on the ribbon rewind spindle Press the FEED key The error message will be printed out on the print media or sent out through RS 232 port If there is no problem with direct thermal printing but error occurs in thermal transfer printing Please check the encoder of the DC motor 35 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 5 2 Calibrate the Gap Register Install the label Turn on the printer power while pressing the PAUSE button The pri
23. tor Connector Printhead and the Cable 21 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Note The key of 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 Reassemble the removed parts in the reverse order of removal 22 TTP 243 Pro 243E Pro 342 Pro Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs 4 4 DC Motor Replacement NO O Turn off the printer power Remove the power cord and RS 232 and or parallel port cable Open the top cover of the printer Remove the printer front panel Cf 4 1 section Remove the two screws and the metal cover Cf 4 1 section Release the cable tie and remove the peel off sensor connector Cf 4 1 section Remove the screw on the PCB of peel off and cutter connector Remove the screws in the lower left lower right corners of the main mechanism Cf 4 1 section 9 Remove all four screws of the internal label roll mount Cf 4 1 section 10 Move the mechanism in the label feed direction about 5 mm 11 Take out the internal label roll mount and remove connector JP52 Cf 4 1 section 12 Remove the screw of ground wire on the mainboard 13 Remove all connectors on the
24. um of one minute 1 Open the printer cover 2 Open the printer carriage by pulling up the release lever to the left of the front rubber roller 3 Remove the ribbon and label 4 Clean the print head element with a head cleaner pen or use a cotton swab and 100 ethanol to clean the print head surface Note Do not touch printer head by hand If you touch it careless please use ethanol to clean it It s industry alcohol Please do not use regular alcohol which may damage the printer head Print Head Print Head Element SEED TEES Head Cleaner Pen gt Front Rubber Roller Element 38 TTP 243 Pro 243E Pro 342 Pro TSC Bar Code Printer Connecting Your Thermal Printing Needs Your Thermal Printing Needs Update History Date Content 011 1 25 Modify TSC address Camille 011 4 7 Modify section 3 2 Camille 39 TSC 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 tscprinters com tech_support tscprinters com 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
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