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SERVICE MANUAL

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2. 15 42 AMI DE IV 16 A2 2 sco TO 16 CHAPTER TROUBLESHOOTING 4 1 TROUBLESHOOTING This section gives the service personnel some of the troubleshooting procedures to be followed if an error or malfunction occurs with this machine It is impossible to anticipate all of the possible troubles which may occur in future and determine the troubleshooting procedures so this chapter covers some sample troubles However those samples will help service personnel pinpoint and repair other defective elements if he she analyzes and examines them well 4 1 1 Precautions Be sure to observe the following precautions to prevent the secondary problems from happening during troubleshooting 1 Get a good idea of what the trouble is Whenever more than one trouble source is found plan the most reasonable repairing procedure after reviewing the relationship between them 2 When supplying power to this machine having problems from either a set of batteries or the AC adapter make sure that its output voltage level is 11 to 13V under no load 8 When supplying power from a stabilized power unit use the power unit with approx 3A capacity and choose the output level of 11 to 13V When connecting it to this machine be careful with the polarity 4 When using a circu
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6. A Tape feed sub roller Ink ribbon Head ASSY Platen roller Roller holder ASSY Ribbon drive cam DC motor Chassis ASSY Fig 2 1 4 Ribbon Feeding Mechanism Il 5 2 1 4 Automatic Tape Cutter Mechanism The cutter ASSY consists of a stationary blade and a movable blade driven by the cutter motor Upon completion of printing and tape feeding the CPU activates the cutter motor whose clockwise rotation is transmitted via the idle gears to the cutter moving gear As the cutter moving gear rotates counterclockwise its boss X which is fitted in the opening of the movable blade actuates the movable blade to pivot it around shaft Y Consequently the cutter cuts the printed tape routing through the movable and stationary blades just like a scissors After that the CPU keeps the cutter motor on When the movable blade comes back to the home position its end Z activates the cutter sensor actuator which presses the cutter sensor The moment the CPU receives the sensor signal it stops the cutter motor Cutter double gear Stationary blade Tape Movable blade Cutter moving gear Z Actuator Fig 2 1 5 Automatic Tape Cutter Mechanism Il 6 2 1 5 Roller Holder ASSY amp Cassette Cover Interlocking Mechanism Closing the cassette cover pushes down the roller release lever and brings the top of the lever into the hooked section provided on the inside of the cas
7. 11 29 61 Installing ihe Bolton OOVEl eer ERRPRRARRIRFRREYRURERR REIR IMRRP 11 34 9 neige Cassette Covel uu 1 36 CONTENTS 1101 Installing the Tape Cassette and Tape Separator Stick 11 36 11 Loading Batteries and Installing the Battery 1 37 12 Demonstration Print and Final Check 2 1 2 1 1 MECHANISMS THEORY OF OPERATION Print Mechanism 1 Structure of Thermal Head This machine uses thermal transfer printing The thermal print head has a heat generator consisting of 112 heating elements PT 2450 128 heating elements which are vertically aligned as shown in Fig 2 1 1 Each heating element is 0 195 mm wide by 0 141 mm high 0 141 mm 5 6 mils PT 2300 2310 15 792 mm 112 elements 2 2450 18 048 128 elements gt e 0 195 mm 7 7 mils Fig 2 1 1 Heat Generator of Thermal Head Printing Process When the cylindrical rubber platen is pressed against the thermal print head with the tape and ink ribbon sandwiched inbetween the CPU applies electric power to the selected ones of those 112 heating elements PT 2450 128 heating elements Laminate tape when using laminated tape cassettes Non laminated tape when using non laminated tape cassettes Instan
8. ge nM Ms Saux 6 cu 21 N 62 P33 RXD4 aW 2 C405 ATVs Hoo 4700 55 i 373 6232 110 006 804 Fig 3 2 11 Thermal Head Drive Circuit 11 3 2 9 Voltage Detector Circuit and Temperature Sensor Circuit 1 2 Fig 3 2 12 show the voltage detector circuit and the ambient sensor circuit each of which is composed of a resistor network Voltage detector circuit This circuit which is composed of divider resistors R87 and R90 steps down the power source MTV fed from batteries or the AC adapter output and feeds the output to the A D input port AN1 on the CPU According to the drive source voltage the CPU operates as follows At power ON f the voltage level of the rises over approx 15 5 V or drops below approx 9 68 V the CPU immediately shuts down the power During non printing f the voltage level of the MTV drops below approx 6 9 V the CPU immediately shuts down the power During printing f the voltage level of the MTV drops below approx 6 9 V the CPU displays the following message to warn you of a low battery after completion of printing BATTERIES WEAK f it drops below approx 6 4 V the CPU interrupts the printing and displays the following message to warn you of a very low battery REPLACE BATTERIES If it drops below approx 5 8 V the CPU immediately shuts dow
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10. Country Head Margin Voltage eee eee eee Specifications Rank Rank Display Country display U S A CAN Na H Yo Vo Head rank display B rank Margin rank display 0 rank US 0 0 Voltage display No problem Fig 3 Example of INFO Mode Display 7 2 1 5 LCD Check Display Here check for missing dots and the display function of the LCD The LCD check 1 Fig 4 is displayed when depressed z 1 key HHHHHHHHHH All guidance off HHHHHHHHHH All cursor off Fig 4 The LCD check 2 Fig 5 is displayed when depressed lt key XXXXXXXXXX All guidance on XXXXXXXXXX All cursor on Fig 5 Shifts to 7 2 2 Cassette Sensor Inspection Mode when depressed lt key Fig 7 display All guidance on All cursor on Fig 6 7 2 2 Cassette Sensor Inspection Mode 2 Key Here ckeck the cassette sensor function Display of Fig 7 is indicated when depressed lt _ key or depressed 2 key in the display of Fig 6 CASSETTE Fig 7 Shifts to the Key Inspection Mode when depressed lt key Fig 8 display CASSETTE 00000 Fig 8 Displays the five sensor SW states ON 1 OFF 0 Touch the sensor switch with the finger tip while checking ON OFF display Shifts to the Key Inspection Mode when depressed lt key Fig 9 display 11 40 7 2 3 Key Inspection Mode 3 Key Here check the key input
11. DC motor harness Chassis ASSY Photo interrupter harness Head cable Full cutter sensor harness Cutter motor harness Upper cover S e s Fig 2 2 8 Removing the Chassis ASSY and Shield Plate 2 13 USB IF harness PT 2300 2310 Head cable Photo interrupter harness Power supply harness DC motor harness Full cutter sensor harness Switch ASSY harness Cutter motor harness p ai Main PCB Fig 2 2 9 Removing the Chassis ASSY and Shield Plate 3 14 Disassembling the Chassis ASSY Removing the roller holder release rod roller release lever roller holder ASSY and head ASSY 1 2 3 Remove the retaining ring from the roller holder ASSY Lift up the roller release lever as shown below and pull up the roller holder ASSY together with the roller release lever and roller holder release rod making sure that the roller holder release spring does not go flying off Remove screw from the head ASSY then take off the ASSY Roller holder ASSY Foller holder release spring Screw a Retaining ring Roller release lever Roller holder release rod n Fig 2 2 10 Disassembling the Roller Holder ASSY and Head ASSY 11 15 Removing the DC motor 55 1 2 3 Remove the two screws to remove the photo interrupter ASSY Remove the enco
12. SERVICE MANUAL MODEL PT 2300 2310 2450 This publication is service manual covering the specifications theory of operation disassembly reassembly procedure and troubleshooting and error message of the Brother PT 2300 2310 2450 It is intended for service personnel and other concerned persons to accurately and quickly provide after sale service for our PT 2300 2310 2450 To perform appropriate maintenance so that the machine is always in best condition for the customer the service personnel must adequately understand and apply this manual This manual is made up of four chapters and appendices CHAPTER I CHAPTER Il CHAPTER III CHAPTER IV APPENDICES Copyright Brother 2001 All rights reserved SPECIFICATIONS MECHANISMS ELECTRONICS TROUBLESHOOTING AND ERROR MESSAGE 1 SOFTWARE TO WRITE THE SERIAL NUMBER 2 CIRCUIT DIAGRAMS No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice CONTENTS CHAPTER SPECIFICATIONSL xXx o 1 1 MECHANICAL SPECIFICATIONS 1 1 Dco rue ee 1 0 oo E 1 2 1 2 JS EE Poning ISS 1 2 1 3 Tr 1 3 12 ELECTRONICS SP
13. BYTED o0 5 i M NI 139 E a 43 3 BB 08145 P gg 045 4 i1 lg 4 0610 RAR ott wd Edd veg HM PEN 0842 aw me 08191 E E oss be AAA Tm 08121 M CERES 082 4 WV TET T MA a EE 2 Kane 08142 08131 2 ME 24 gt p 08114 ME TT wea C24 8 n 08 a GND Fig 3 2 2 CPU and ROM 3 2 3 ROM See Fig 3 2 2 The ROM U12 is a 16 megabit masked ROM which stores control programs and character patterns 1 3 3 2 4 Key Contacts Matrix and Solder Points 1 Key contacts matrix On the main PCB is a key contacts matrix that is a set of 50 carbon printed key contact patterns except for the On Off key Refer to Fig 3 2 5 Each contact pattern has a pair of electric nodes The rubber key pad is made of high impedance silicon rubber As shown in Fig 3 2 3 each key on the rubber key pad consists of a key top return spring and carbonic silicon rubber which functions as a switching element If a particular key is pressed the carbonic silicon rubber of the key short circuits the paired electric nodes carbon printed on the main PCB Fig 3 2 4 shows a key scan timing scheme and 0 scanning pulse outputs The CPU scans the key contacts matrix every 14 ms If the CPU reads the same data on an input port four successive times it interprets the state as the key be
14. CHANGEE _ EEPROM ERROR ERREUR __ EEPROM __ TEXT ZU TEXT HOCH ____ TOO HIGH APPENDICES 1 Software to Write the Serial Number 2 Circuit Diagrams Main PCB PT 2300 2310 Main PCB PT 2450EU DEU GER BEL Main PCB PT 2450FR FRA Sub PCB PT 2300 2310 Sub PCB PT 2450 gt APPENDICES 1 SOFTWARE WRITE THE SERIAL NUMBER Operation of the software to write the serial number into PT 2300 2310 General This software writes the serial number into the EEPROM mounted on the main PCB when replacing the main PCB Operation Procedure Before writing the serial number Check that the OS of your PC is Windows 98 or Windows 98SE Install the driver beforehand 1 Connect the USB cable between PT 2300 2310 and the PC 2 After starting the OS turn on the power switch of PT 2300 2310 3 Double click and start the software to write the serial number of PT 2300 2310 file name pt23test exe The window as shown below appears Select Port Port name PTUSB Cancel Fig 1 4 Select PTUSB 2300 2310 000000001 in the pull down box of the Port name in Fig 1 and click the OK button The window as shown below appears Repair PT 2300 2310 Ver 1 0 0 Serial No Exit Settings Write serial number To next check Fig 2 5 Enter 9 digits of the serial number described in the rating plate on the machine in t
15. CKE No text has been entered BUFFER ___ MEMOIRE __ SPEICHER BUFFER ___ M MOIRE in the display when you i try to print store a text file EMPTY VIDE LEER EMPTY ___ VIDE in the memory do repeat printing You try to print a label or TAPE DE ___ BAND NO PAS DE feed the tape when no i tape cassette is installed EMPTY RUBAN 2 LEER TAPE RUBAN TEXT The length of text is TEXT TOO TROP longer than the label length that has been set using length function The number of lines in LINE TROP DE 20 LINE TROP DE the text is greater than the misimus number or lines LIMIT LIGNES ZEILEN ___ LIMIT LIGNES possible for the installed tape The text is longer than 1 LENGTH LONGUEUR __ ZU LENGTH LONGUEUR meter 3 1 3 when i i i you try to print LIMIT LIMITE LANG LIMIT LIMITEE When a tab set the number of tab sets exceeds 50 IV 16 LONG ____ LONG TOO LONG Error Conditions Display U K BELGIUM FRENCH GERMAN CANADA When the soldered SOLDER _ X _ SOLDER X SOLDER X SOLDER X SOLDER_ X__ position is not correct The cursor is not below a number when you hold down Code and press Number The cursor is in the final of the sentence when you hold down Code and press Number You try to recall or delete a text file from the memory whe
16. SET 12mm 1_BARCODE SURCAPA ERREUR ZERO wr Let vd d rer FEHLER KURS 0 ___ 24mm_BAND _ EINLEGEN __ 18mm BAND _ EINLEGEN 12mm BAND _ EINLEGEN __ 9mm_BAND__ EINLEGEN __ 6mm_BAND__ EINLEGEN __ 1_ CODE B 1_BARCODE _ PER BLOCK PAR ZONE PRO BLOCK 17 Error Conditions When less than minimum 4 DIGIT 4 DIGITS 4 digits are entered as i barcode data MIN MINIMUM ___ If the inputted number of INPUT____ CODE digits is less than its barcoda s standard WHOLE _CODE INCOMPLET If you choose CODABAR and don t input character A to D FORMAT BAD INPUT ABCD ENTR _ ABCD If an error occurs while data is being sent from the computer to P touch Or you try to print when the baud rates of the computer and the P touch is not same If you change tape cassette while the computer is sending print data to the P touch When the checksum error occurs When failing to initialize the machine because of corruption of the keyword TEXT TOO HIGH When texts cannot be printed because the installed tape is not enough wide or when selecting the LENGTH setting in the case of the forementioned condition IV 18 Display U K BELGIUM FRENCH GERMAN CANADA MIND _4 ZIFFERN ___ ABCD EINGEBEN __ INTERFACE _ ERREUR ERROR ___ INTERFACE DATEN _ UNVOLLST CASSETTE CHANGED __ CASSETTE_
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18. 2 Press and release each of those switch ASSY with your finger to check that they pop up normally Switch ASSY Fig 2 2 24 Checking the Switch ASSY 11 26 Installing the Rubber Key Pad 5 Place the rubber key pad so that it is fitted over the three bosses and two pins provided on the upper cover PT 2300 2310 Rubber key pad Upper cover Boss o o 2450 Rubber key pad Navi dial o o gt gt o gt Q Q D Fig 2 2 25 Installing the Rubber Key Pad Il 27 6 Installing the 1 Pull the positions A outwards to put the LCD with the main PCB into the position B 2 Check that there is no foreign material or dust on the key contacts on the main Note 1 Make sure that the two latches of the upper cover catch the main PCB Note 2 After reassembling the main PCB ensure that the navi dial is rotated smoothly PT 2450 only CAUTION After replacing the main PCB always execute the software to write the serial number described in APPENDICES 1 PT 2300 2310 only Main PCB Fig 2 2 26 Installing the Main PCB 11 28 7 Installing the Chassis ASSY and Shield Plate 1 Ifthe chassis ASSY has been disassembled assemble the components by referring to the following pages 2 Pull down the roller release lever to the vertical position and set the chassis ASSY onto the up
19. 2 15 USB Interface Circuit PT 2300 2310 Fig 3 2 19 shows the USB interface circuit U4 is a USB chip meeting requirements of the high speed mode and data is transmitted or received with a computer via two data signal cables and D 8 Ed n 3 a 828 m FRG 2 10 150 8 Ig E 3 2 J c104 00058 Meas 08 15 07 015 Iz g 205 044 celis PDS D13 ps 081421 CPU PDA Di2 54 vss fgg 08 u11 i pa beta gt 08148 H8S 2324 m pe pate 20 58 287 13 6 s S Rea 18 fie 3 S 1 4 wy 99 S a 08 9 2 27 ag R IDATA1 VOUT3 3 9 GND E gee age pal 191 3 aa 26 73873 n B4B PH K 8 4 25 amp poop patat fez 2 agoe pstaa vm SS 7 PATA DBI 13 d a g Dee E x 28124 TAB a LR i ET DBI 151 8 20 TS SB TA7 RESET 2 get 92 18 19 EOT 4 1B USBCS DMACK N mr i 2 END D NE e Ripe LSF 2 16 os ERN 5 Eq RAINT b 8 6 FDI
20. 3 Display 1 Display type Liquid crystal display LCD 2 Display composition 16 x 59 dots 3 Number of indicators 20 See Fig 1 1 2 4 Dotsize 0 65 mm 25 6mils wide by 0 65 mm 25 6mils high Field of view angle adjustment 1 1 4 Printing Mechanism 1 SB Print method Print speed Print head Type Heat generator Size of heating element Character size Character size Size 6 Size 9 Size 12 Size 18 Size 24 Big lt 12 mm gt Size 36 Size 42 PT 2300 2310 Size 48 PT 2450 Fixed by a resistor Thermal transfer onto plastic tapes laminate tape and non laminated tape or special tapes instant lettering tape non laminated thermal film tape iron on transfer tape and porous stamp tape Fixed print head and tape feeding mechanism 10 mm second Typical Thermal print head Consists of 112 heating elements vertically aligned PT 2450 128 heating elements 0 195 mm 7 7 mils wide by 0 141 mm 5 6 mils high Height x Width dots 1 55 mm x 1 13 mm 11 x 8 1 97 mm x 1 41 mm 14 x 10 2 82 mm x 2 12 mm 20 x 15 4 51 mm x 3 38 mm 32 x 24 5 92 mm x 4 37 mm 42 x 31 7 61 mm x 5 64 mm 54x 40 HAT height and width of the printed character are different depending on characters The values in the above list refer to the values of H of HELSINKI The character size indicates the point size l 2 1 1 5 Tape Cassette 1 Cassette Cartr
21. 4 16 B GND RNF 2 15 NC NCA NC 3 14 OUT 4 OUT 4 13 4 NC 5 12 E R14 11 CA FIN RI 1 6 7 12 NC7 16 NC 8 9 POWERSAVE NC BAG285FS ENG R12 DCB 4 6C a Fig 3 2 10 Cutter Motor Driver Circuit 11 10 3 2 8 Thermal Head Drive Circuit Fig 3 2 11 shows the thermal head drive circuit The print head integrates a heat generator consisting of 128 heating elements vertically aligned in 180 dpi and a pair of built in driver ICs which are designed for 64 element control and cascaded with each other U5 TC74HC32 is a voltage level converter converting from 3 3V to 5V Synchronizing with the 3 7 MHz clock on pin 63 P34 SLKO the CPU outputs serial print data containing 128 dot frame 8 x 16 bit map through pin 59 P30 TXDO to the drivers printing 128 dot data in practice Synchronizing with the pulses of the encoder as shown in Fig 3 2 9 the machine prints If the CPU runs out of control this circuit cuts off power to the thermal head after the specified time length by the CR time constant of C12eR29 us N LS 7m onne 1 MA 48 13 db P3o Txpa 9 in aE 3 fy w 4 42 38 vec 5 9 CPU 28 U11 8 bv yE HEAD TC74HCT32AF P e a 64 Ex 85 2324
22. 5 Roller Holder ASSY amp Cassette Cover Interlocking 11 7 ma DISASSEMBLY Il 8 S epee ee E DI 1 8 1 Removing the Battery and 11 8 2 Removing the Tape Cassette and Tape Separator Stick 11 9 I3 Removing the Bottom COver aaa 11 10 4 Removing the Cassette Cover Chassis ASSY and Shield 11 12 5 Removing the PCB and Rubber Key 18 51 Removing the ASSY e Tc ER 11 20 11 20 8 Removing the Power Supply POB 11 21 9 Removing the Battery Terminals 11 22 222 Musssembply ui io 11 23 1 Installing the Battery Terminals 11 23 instalimng ihe Power 11 24 11 26 11 26 Metalno the Rubber Key m 11 27 PEEL IRL oom 11 28 7 Installing the Chassis ASSY and Shield
23. AD Check Mode 8 Key and USB Setting Mode 0 Key Only PT 2300 2310 are omitted because they are not related to the inspection procedure 7 2 9 Encoder Reading Check Mode Key This mode checks that there is no problem to read the encoder or no phase shift Fig 26 is displayed ENCODER ENCODER When depressed amp 1 key the motor is rotated and the value of the photo interrupter is read If the value of the photo interrupter displayed by is correct at the timing of 0 to 3 is displayed If it is not correct is displayed and or X is indicated for each timing This mode also checks that the synchronized pulse is within 4ms Turn the power off by pressing the On Off key to complete the check i a 0 21 ms La b gt b 1 55 ms gt 2 57 ms 7 3 Printing Check by Connecting with the PC PT 2300 2310 Connect the machine with the PC under the normal edit mode and open the dedicated program After entering the texts check if it is printed correctly 11 46 CHAPTER ELECTRONICS CONTENTS CHAPTER ELECTRONICS 11 1 S OUTLINE OF CONTROL ELECTRONIC G 1 ELI GonlguraDan of the Electromie tni Ru MEME 11 1 111 1 2 E a
24. Ju ie T E97 CUI o 1 BBB PH K S GND GN GND GND S m ENCODER n PHOTO INTERRUPTER 1 m MTON PG3 C81 a 4 x ES CPU x g U11 H8S 2324 VBT Ld BK E 5 Sog Du S mg BAB M R1 R1 RED 1 3 e Mir 430 1 8 GND GND 1 2 7 MTCN 355 GND 2 GND 7 3 6 4 5 VREF BAG220 GND Fig 3 2 8 DC Motor Driver Circuit 8 The encoder fixed the motor detects the rotation by the two photo interrupters While the pulses of P52 detect the rotation angle the pulses of P51 which is dephased with P52 by 90 degrees detect the rotation direction When five pulses of P52 are input 1 dot is printed CPU i Start printing after 55 pulses E b Motor current 2 600 700 b 60 200 40 70 Fig 3 2 9 Motor Control Signal and Drive Current 9 3 27 Cutter Motor Driver Circuit Fig 3 2 10 shows a driver circuit of the DC motor which cuts tape after a sequence of printing The CPU 011 activates the transistor array 02 BA6285 through P31 pin 61 and P32 62 to drive the cutter motor Circuit operation The CPU drives the cutter motor in the following sequence The cutter stays in the home position when it is not in op
25. Lo Lo Lo 0 4 12 fe ft pe pe 7 ae as a 2 4 Lo 4 Lo o Le e 4 Le 181 3 B b pen 1 nm sen ET sep sep sep mg E gae W Lo Lo Lo Lo Le o om o ABNT db aye mo 99 sen m ep mr OR es Aw Loop Le Le o Lo eo o Qs e i Sw Im 2 5 4 x 1 15 01 1 t t TS 5 4 9 S44 i NN 4 2 s ss dk LA6152001 db 1 2 4 5 6 8 Appendix 2 0 Sub 2300 2310 OQ E a2 D2 e 1K 155133 5 i e V 5 5 ES EY EY JA ERB83 004 L1 e e 9 01 BND CHE LFG GND 0455 m 50 4 o 2 i e vBus USB 212 T CODE LA6149001 NAME POWER SUPPLY PCB CIR 2300 2310 Appendix 2 E Sub 2450 CH1 CH9 1k 195133 a S 4 2 ae LAAAAS EEA c 1Fo 3 JA ERB83 224 14 01 E oe CHE CNA e iBrc 8 TO 20 3 Jo A 29 1veus USB e12 T CODE L
26. Tape feed platen gear Platen roller Platen lower spring Tape feed sub roller gear Platen upper spring Tape feed sub roller Fig 2 1 2 Roller Holder ASSY Setting amp Retracting Mechanism Il 3 2 1 3 Tape amp Ribbon Feed Mechanism This mechanism consists of a DC motor gear train and roller holder ASSY 1 Tape Feeding When you load a tape cassette and close the cassette cover the tape feed roller inside the cassette and the tape feed sub roller in the roller holder ASSY sandwich the tape the laminate tape and adhesive base tape when using laminated tape cassettes inbetween as described in Subsection 2 1 2 As the DC motor rotates the rotation is transmitted via the gear train to the tape idle gear which rotates the tape feed sub roller gear and the platen idle gear which rotates the tape feed platen gear Accordingly the sandwiched tape and ink ribbon will be advanced When a laminated tape cassette is mounted the sandwiched laminate tape and adhesive base tape and ink ribbon will be advanced together The feeding amount of the platen is slighty less than that of the tape feed sub roller Adhesive base tape Transparent laminate tape un Tape feed roller Tape feed Sub roller gear Head ASSY Platen idle gear Roller holder ASSY Platen roller DC motor Photo interrupter ASSY Tape idle gear Encode gear Platen idle ge
27. connected Connect it normally Any of the lines in the cassette sensor cable is broken Replace the cassette sensor PCB ASSY Input signals on pins 108 through 112 of the CPU LSI are normal The cassette sensor PCB is defective Replace it The main PCB may be defective Replace it IV 15 4 2 ERROR MESSAGE 4 2 1 Error Message List The error message list is shown as follows Error Conditions Display U K BELGIUM FRENCH GERMAN CANADA Check system find any ROM PROBLEME ROM PROBLEME _ problem in PROBLEM __ ROM FEHLER __ PROBLEM __ ROM Wrong adaptor higher WRONG CHANGER FALSCHER CHANGE CHANGER __ volatage is supplied is connected The installed batteries BATTERIES _ PILES ____ BATTERIEN __ BATTERIES _ PILES The installed batteries are REPLACE REMPLACER _ BATTERIEN REPLACE REMPLACER _ You try to enter a BUFFER MEMOIRE ___ SPEICHER BUFFER M MOIRE _ character symbol barcode return or FULL PLEINE VOLL FULL PLEINE characters PT 2300 2310 or 255 characters PT 2450 have already been entered 7 lines already exist when 7 LINE TROP DE 7 lines already exist when 6 LINE TROP DE ADAPTER ADAPTATEUR ADAPTER ADAPTOR ADAPTATEUR 5 blocks already exist 5 BLOCK 5 BLOCS MAX 5 ua you try to make next LIMIT MAXI BL
28. function Display of Fig 9 is indicated when depressed amp l key or depressed 3 key in the display of Fig 8 KEY Fig 9 Shifts to the Key Inspection Mode when depressed amp key Fig 10 display The Print key 1st row L gt 2st row gt L 3st row L R 4st row gt L 5st row L R are depressed sequentially The key to depress is displayed refer to Fig 10 and the key to depress next is displayed when depressed correctly while the key to depress next and X are displayed when depressed erroneously Fig 11 display KEY 1 Fig 10 KEY 2 X Fig 11 When all key checks were completed then displays Fig 12 and cut the tape by printing lt lt gt gt OK Fig 12 Shifts to 7 2 4 CUT Mode when depressed key Fig 14 display Only PT 2450 When all key checks were completed is displayed Shifts to the JOG check mode when depressed 1 key When the navi dial is rotated the arrow lt is shifted following the direction of the rotation Fig 13 First move the cursor to the left side by three points and press the Set key If the mode of the left side performs correctly it is shifted to the right side Check the mode of the right side as well If it performs correctly OK is displayed After printing and cutting the tape shifts to 7 2 4 Cut Mode JOG lt JO
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30. 08 1 5 4 Printing Sample 11 43 7 2 6 2 Mode 6 Key This mode checks the more detailed print quality than PRINT 1 Fig 19 is displayed when depressed 6 key except while in the Key Inspection Mode PRINT2 Fig 19 The function is started when depressed e 1 key The electrical power will not be turned to off in this case PT 2300 2310 2450 Printing Sample 1 44 MAYS PRINT2 PRINT2 7 2 7 MOTOR Mode 7 Key Used for the DC motor speed adjustment This mode is used only when the print length accuracy or tape feed length accuracy deviates from the specification Display of Fig 20 is indicated when depressed 7 key MOTOR Fig 20 The function MOTOR rotation is started when depressed 1 key The electrical power will not be turned to off in this case The On Off key is depressed to stop When you failed peel off the volume shown below And insert screwdriver to adjust the length of the tape by rotating a trimmer If rotating the trimmer to the right CW the length becomens short If rotating to the left CCW it becomes long After the adjustment verify the tape length and printed letter length by performing the PRINT 1 or PRINT 2 functions volume Upper cover 04 Cp SN AO gt Fig 21 11 45 7 2 8 The descriptions about section
31. 2 kgecm 2 Apply half of a rice sized pinch of grease Silicon grease G501 to the roller holder ASSY slideway for the roller holder release rod 3 First fit the roller holder release spring and the assembly of the roller release lever and roller holder release rod onto the roller holder ASSY as shown below Then install them to the chassis ASSY and set the retaining ring Roller holder release spring Retaining ring o Roller holder ASSY Screw gt A Roller release lever Apply grease G501 here ics e Roller holder release rod Head ASSY Chassis ASSY Fig 2 2 31 Installing the Head ASSY and Roller Holder ASSY 11 33 8 Installing the Bottom Cover 1 Connect the power supply harness to the main 2 Connect the USB IF harness to the main PCB PT 2300 2310 3 Align the front edge of the bottom cover with that of the upper cover then push down the bottom cover until it snaps into place Note Take care not to pinch the cords between those covers PT 2300 2310 Bottom cover Upper cover PT 2450 Bottom cover Upper cover Power supply harness Fig 2 2 32 Installing the Bottom Cover 1 11 34 4 Secure the bottom cover with five screws Tightening torque 392398 4 1 kg cm Screws Screw Et 5 E Screw Fig 2 2 33 Installing the Bottom Cover 2 11 35 9 Installing the Cassette Cover 1 Plac
32. 8001 MAIN CIR 2300 2310 8 Appendix 2 Main 2450 DEU GBR BEL 1 2 3 4 5 6 7 8 A PST3EPiN 5 o 0470 1 1 wwe 2 7 ar E amp ND S 8 NG TO a 19 61 db Pr kota E Kota Kol4l KOLS 8 age d Y TE ws gi ET Sb 1 i i i 2 zl 2i 5 2
33. A6154001 NAME POWER SUPPLY PCB CIR 2450 Aug 2001 8V2020BEO Printed in Japan
34. ECIFICATIONS scrssscsicsosssassoassbacesnnscedsoobibapsbabodsdabobsbsdulbnoncebabe 1 9 TI ue iri ic 9 9 13 KEY COMMANDS FOR SPECIAL 8 2 2 1 9 050mm 9 To caste Riad eases 9 CHAPTER SPECIFICATIONS 1 1 MECHANICAL SPECIFICATIONS 1 1 1 External Appearance 194 7 64 65 5 2 59 PT 2300 2310 12888 _ QOOOOCOCOOOOQO OOOCOOOOOCOOO QOOQOQOCOCOOQOQOQO 5 cx CO Y Unit mm inches PT 2450 194 7 64 65 5 2 59 50000000000 COO cx Y Unit mm inches Fig 1 1 1 PT 2300 2310 2450 1 Dimensions W x D x H 194 x 242 x 65 5 mm 7 64 x 9 53 x 2 59 2 Weight Machine proper Approx 900 g In package Approx 1 6 kg PT 2300 2450 Approx 2 9 kg PT 2310 2450cc including batteries a tape cassette and user s manual l 1 1 1 2 Keyboard 1 Entry system Rubber key pad 2 Number of alphanumeric and symbol keys 39 3 Number of function keys 12 including On Off 5 key 4 Key arrangement See Fig 1 1 2 5 Navigation dial PT 2450 Rotary switch 20 positions cycle Set key 1 1 1
35. G JOG lt X lt Fig 13 11 41 7 2 4 Cut Mode 4 Key Here check the cutter function Display of Fig 12 is indicated when depressed l key or depressed 4 key in the display of Fig 13 except while in the Key Inspection Mode CUT Fig 14 Fig 15 is displayed when depressed lt _ key to feed the tape 1 is displayed after completed the feed FEED 1 FEED 1 CUT 1 Fig 15 Fig 16 is displayed when depressed key to feed the tape 2 is displayed after completed the feed FEED 2 FEED 2 CUT 2 Fig 16 Fig 17 is displayed when depressed key to feed the tape 3 is displayed after completed the feed FEED 3 FEED 3 CUT 3 Fig 17 Shifts to 7 2 5 PRINT 1 Mode when depressed z 1 key Fig 18 display 11 42 7 2 5 1 Mode 5 Key check the print quality tape length accuracy and print length accuracy Display of Fig 18 is indicated when depressed key or depressed 5 key in the display of Fig 17 except while in the Key Inspection Mode PRINT1 Fig 18 The printing is started when depressed e_ key Fig 18 Display Initialize all memory after completed the printing and turns the electrical power to off PT 2300 2310 PRINT1 92 2 4 6mm 100 1 5 PT 2450 PRINT1 100 3 5 1
36. G501 to the boss of the cutter moving gear or the inside edge of the long hole provided in the moving blade Cutter motor ASSY Chassis ASSY Screws d Cutter moving gear Washer Full cutter sensor PRO ASSY Screw M NS Cutter ASSY Apply grease Cutter double G501 here gears Actuator Fig 2 2 29 Installing the Cutter ASSY 11 31 Installing the DC motor 55 1 2 Install the DC motor ASSY to the chassis ASSY with two screws b taking care not to damage the gear Tightening torque 100 to 200 mNem 1 to 2 Squeeze the encode gear so that it is engaged with the double gear with taking care not to damage the gear For the squeezed height refer to the Fig 2 2 30b Install the photo interrupter ASSY with two screws Tightening torque 100 to 200 mNem 1 to 2 DC motor ASSY Double gear Screw b 2 SOM Sat EN Chassis ASSY C Screw b Photo interrupter ASSY Encode gear eae 4 O E Screws Fig 2 2 30 Installing the DC motor ASSY DC motor ASSY eL ur m eee A Same height Fig 2 2 30b Installing the DC motor ASSY 11 32 n stalling the head ASSY roller holder ASSY and roller holder release rod roller release lever 1 Secure the head ASSY to the chassis ASSY with screw a Tightening torque 490x196 mNem 5
37. IFICATIONS 1 2 1 Character Generator 1 Internal characters U S A PT 2300 2310 179 characters U K FRA BEL PT 2450 199 characters GER PT 2450 216 characters 2 Internal font HELSINKI BRUSSELS FLORIDA US PT 2300 2310 HELSINKI BRUSSELS FLORIDA BELGIUM LOS ANGELS SAN DIEGO ISTANBUL US PT 2450 3 Internal memory Text buffer 99 characters PT 2300 2310 255 characters PT 2450 File memory 300 characters PT 2300 2310 2500 characters PT 2450 1 2 22 Power Supply 1 Automatic power off Yes Normal mode 5 min 30 sec IF mode 30 min 30 sec PT 2300 2310 1 3 KEY COMMANDS FOR SPECIAL FUNCTIONS 1 3 1 Initializing Powering on the machine with both the Code and R keys held down will initialize the machine 1 3 2 Demonstration Print Pressing the D key with the Code key held down will start demonstration print This key command takes effect only when no data is entered CHAPTER 1 MECHANISMS isisccssrcssicsasssaiorersiaisiasoiarssarsiaieiarsiaiorarsiareiareiarenasanns Il 1 AME O os ge i Tt epe 11 1 RAE VSS ES S UEM 11 1 2 1 2 Roller Holder ASSY Setting amp Retracting 11 3 213 Fes WGC ANIS 11 4 2 1 4 Automatic Tape Cutter nnns 1 6 2 1
38. J Hox e jeje Os Flo eo ore x1 30 m7237 8 5 la s By ws oy 2 ET 1 5 9 9 ak ay 007 SRAM gt xb ri E m 51 I 1 1 TE Tl 2 8 5 o eire em 1 J Al 2 9 8 5 S a I z V s d rs ja 9 5 3f Ern IUS of 8 8 4 75 5 2 3 2 5 Power ON OFF Circuit and Power Saving Circuit 1 Power ON OFF circuit Fig 3 2 6 shows a circuit diagram of the power On Off 0 key The CPU processes the On Off key state in a sequence quite different from other keys although it is on the key pad R85 157 503 5590 16 CPU U11 85 2324 97 P5G TXD2 1R84 h9 POW 4 amp C PFZ LCAS WAIT BREGDQI HFOW 4 58 4 TRGO DAS _ _ ATT 2 N OFF 195484 TEBEL 042 5 oUT 3 e po END S 81250P8 PO T vce T VBT GND 40V C100 4 4 B8B PH K S CH3 Fig 3 2 6 Power ON OFF Circuit and Power Saving Circuit If you press the On Off key the signal IRQO interr
39. SSSSSSSNY Fast a f 2 Bottom cover PT 2450 Screw Battery power cords Power supply PCB Bottom cover Fig 2 2 17 Removing the Power Supply PCB 11 21 9 Removing the Battery Terminals 1 Remove the right hand battery terminal as shown below left 2 shown below right remove the left hand battery terminals while pressing section with the tip of a flat screwdriver Battery terminal poe Section Battery terminal Battery terminal ws attery terminal Bottom cover Bottom cover Section A Flat screwdriver Fig 2 2 18 Removing the Battery Terminals Il 22 2 2 2 Reassembly Procedure 1 Installing the Battery Terminals 1 Place the bottom cover upside down and fit two battery terminals into the bottom cover as shown below left Make sure that each of their pawled sections A catches the bottom cover 2 Fita battery terminal into the bottom cover as shown below right Battery terminal 067 Section A Battery terminal Battery terminal Bottom cover Fig 2 2 19 Installing the Battery Terminals 11 23 2 Installing the Power Supply 1 Fitthe positive and negative terminals of the battery power cords into the bottom cover Note 1 When handling those terminals do not grip the cords but the terminal plates Note 2 Route the battery power cords through the two ribs pr
40. Size Width Style ABC Store Recall M Del 2626562622026 TabSet 6296960 02 C0 COGO C2 62 CD OPI CD IQ Symbol Accent Setup BEUL Qo aye lt gt PT 2450 BELGIUM Fig 1 1 2 Key Arrangement 2 LETTERING Longueur ABC FormatAuto A A lt Largeur M moire Police Taille Largeur Style ABC ABC Entr e Rappel ligne Efface Codebar 62606069000 G2 09 62 6b 5606260000000 C2 69 Symbole Accent Coup A Config c D Gm ass lt gt Miroir PT 2450 FRENCH Fig 1 1 2 Key Arrangement 3 gmane L NGE SPIEGEL AUTO FORMAT lt PHRASE Re FONT GROSSE BREITE STIL lt AUFRUF L SCHE Ge 5650565690905090909 TABLANGE OMOOOOOOOSO TEIL SYMBOL AKZENT AUTOX lt EINST KONV i ae ee CD uy On lt gt 2450 Fig 1 1 2 Key Arrangement 4 gmane Length i Mirror unction ABC A F lt Width Font Size Width Style ABC Store Recall M Del 96905626966 020626206 005 C0 C0 CO COGO CO G2 C2 Symbol Accent oS Las Gee So PT 2450 Fig 1 1 2 Key Arrangement 5 1 2 ELECTRONICS SPEC
41. USBDizPW GND GND IE r 1 To z ls en 37 od oe ETE lt p 1 48 18 1 45 1 68 SEDET dp ASBES fik Fig 3 2 19 USB Interface Circuit 17 3 3 POWER SUPPLY Fig 3 3 1 shows a circuit diagram of the power supply PCB C1 for the logic circuitry and the thermal print head and motor drive sources Connecting the AC adapter plug with the AC jack J1 cuts off the power fed from the batteries and feeds power from the AC adapter Fig 3 3 2 shows the polarity of the AC adapter plug 2 CH1 CH9 Q 2 Re 02 Lt 188133 e oz ORANGE i N o gt V 3 LAAAAS 1 z Jt ERBS3 04 Li __ e QT BLUE 01 lt GND FG Fig 3 3 1 Power Supply PCB Fig 3 3 2 AC Adapter Plug 11 18 CHAPTER IV TROUBLESHOOTING AND ERROR MESSAGE CONTENTS CHAPTER IV TROUBLESHOOTING AND ERROR MESSAGE IV 1 1 AUN PR uj cU IV 1 M yiii RE IE IV 1 8120 IV 2 2 5 3 Powering failure Nothing appears on the IV 8 EXEE IV 11 iie IV 12 5 Interface port failure 2300 210 13 Ir 14 8 Tape cassette type
42. ar Chassis ASSY Fig 2 1 3 Tape Feeding Mechanism Il 4 2 Adhesive Base Tape Feeding only for laminated tape cassettes A laminated tape cassette contains both a transparent laminate tape roll and a separate adhesive base tape roll When a transparent laminate tape and an adhesive base tape pass through the contact point between the tape feed roller and tape feed sub roller they are then bonded together into a single printed tape The ink printed on the laminate tape is therefore sealed up with the adhesive base tape 3 Ink Ribbon Feeding except for non laminated thermal film tape cassettes and stamp tape cassettes As the DC motor rotates the ribbon drive cam located at the middle of the gear train rotates counterclockwise When fitted on the ribbon drive cam the ribbon take up roll in the tape cassette also rotates to take up the ink ribbon To apply proper tension to the ink ribbon between the platen and the ribbon drive cam the feed amount of the ribbon drive cam is slightly greater than that of the tape feed gear The difference between the tape feed speeds at the platen and at the ribbon drive cam is absorbed by the clutch spring which is integrated in the ribbon drive cam and allows the cam to slip This way the ink ribbon is kept tense which enables the ribbon to clearly separate from the tape at the stabilized angle after printing Ribbon take up roll Tape feed roller
43. bber on the tape feed sub roller deformed or is it slipping against the tape feed roller built in the tape cassette Is the black rubber of the tape feed sub roller fitted between the ribs of the tape feed roller Replace the batteries with new ones Normal tape feeding Print pitch printed character width is normal Are the motor gear or any other drive gears deformed or loose Replace the DC motor Normal tape feeding Replace the roller holder ASSY Replace the roller holder ASSY End of repair Replace the DC motor ASSY or chassis ASSY Output on pins 1 of CPULSI is normal Is the photo interrupter ASSY assembled onto the correct position N Assemble the photo interrupter ASSY correctly Is the harness N Replace the photo of the photo interrupter ASSY normal interrupter ASSY Y CPU LSI is defective Replace the main PCB ASSY Y cee rus N The LSI is defective Or Motor ariyer Replace the main PCB LSI BA6220 are normal ASSY End of repair 2 Printing failure The tape is fed normally but no printing occurs 15 the head cable connection correct Is the photo sensor cable connection correct Are certain dots always missing The thermal print head may be partially clogged Clean it up Is the total width of printe
44. circuit boards main PCB cassette sensor PCB and power supply PCB two DC motors and a thermal print head assembly Main PCB This manages all the PT 2300 2310 2450 components including an LCD key pad two DC motors and thermal print head Power Supply PCB This has electrolytic capacitors as filters for output lines an AC adapter jack battery terminal plates and other related electronic devices to feed power to the control electronics and the DC motors from the AC dapter or batteries Cassette Sensor This supports the sensors that detect the tape width and ink ribbon type in the tape cassette DC Motors This machine has two DC motors One feeds tape and ink ribbon and the other drives the cutter to cut the tape Thermal Print Head This is a thick film thermal print head which integrates a heat generator consisting of 128 heating elements vertically aligned and driver circuitry Cutter motor DC motor Cassette sensor Photo interrupter DC motor il LCD CH O B LC H Red BK Ro m G K Key contacts CN7 Navi dial Hu 1 CH Red White C CH Orange Green Black Positive Blue pO battery terminal Negative MAIN PCB Thermal head AC adapter battery terminal The AC adapter is POWER standard for PT 2310 SUPPLY PCB USB cable PT 2300 2310 and PT 2450 for UK For the models for other destination th
45. d characters normal Any vertical gaps in printed characters dot shifting missing immediately after iape cassette loading Correct it The tape feeding be abnormal Replace the batteries or use the optional AC adapter If the problem persists go to the troubleshooting flow 1 Lessen the backlash between the motor gear and the mating gear Rotate the ribbon drive cam counterclockwise by hand to check that the rotating torque is within 68 to 108 mNem If the torqu is out of the specification replace the chassis ASSY After loading a tape cassette Rotate the ribbon drive cam counterclockwise to remove excessive ribbon slack Ribbon drive cam Replace the batteries or use the optional AC adapter Any faintly printed characters Check that the platen is set into place and works normally elf the printed characters become faint in cycles the tape feed sub rollers gear in the roller holder ASSY may be deformed Replace the roller holder ASSY Check that the center of the thermal print head is within 0 1 mm from the platen center If it is shifted greatly loosen the screw on the head ASSY and adjust the ASSY Head surface Platen Screw c EIC 040 1 Head ASSY Platen center Y Replace the tape cassette Any horizontal streaks in p
46. de gear from the DC motor ASSY Remove two screws b from the chassis ASSY then take off the DC motor ASSY DC motor ASSY Screw b Photo interrupter ASSY Encode gear Screws Fig 2 2 11 Removing the DC motor ASSY 16 Removing the cutter ASSY cutter motor ASSY and cutter sensor PRO ASSY WARNING Be careful with the cutter blades 1 2 Ss Cutter ASSY Remove screw c and take off the cutter ASSY Remove the washer by using a pin and take off the cutter moving gear and cutter double gears Note Once deformed excessively the washer becomes unusable and a new one should have to be put back in Remove two screws d and take off the cutter motor ASSY taking care not to damage the motor gear Remove screw e and take off the full cutter sensor PRO ASSY Turn the actuator counterclockwise and remove it from the chassis ASSY Cutter motor ASSY Cutter double gears Actuator Fig 2 2 12 Removing the Cutter ASSY 1 17 5 Removing the Rubber Key Pad When you handle the PCB it is recommended that an anti static mat be used If you have built up a static charge touching the PCB without any anti static control may damage the LSI and other electronic devices 1 Unhook the two latches to release the main 2 Pull the positions A outwards to pull the LCD with the main PCB in the dir
47. e AC adapter is an option Fig 3 1 1 Control Electronics of PT 2300 2310 2450 11 1 3 22 3 2 1 Block Diagram Fig 3 2 1 shows a block diagram of the main PCB The main PCB consists of the following 1 CPU 2 ROM Masked 3 Key contacts matrix and solder points 4 Power ON OFF circuit and power saving circuit 5 DC motor driver circuit 6 Cutter motor driver circuit 7 Thermal head drive circuit 8 Voltage detector circuit and temperature sensor circuit 9 Cassette sensor circuit 10 Cutter sensor circuit 11 Oscillator circuit 12 Reset circuit 13 LCD driver circuit 14 USB interface circuit LCD 16x59 dot 20 Guidance NAVI DIAL PT 2450 ea DANERUS NJU 6450 EEPROM 5 1Kbit PT 2300 2310 16 Mbit PT 2450 U12 Address bus 8 Mbit PT 2300 2310 U12 amp date bus RESET CIRCUIT THERMAL PRINT HEAD TEMPERATURE DRIVER 128 ELEMENT SENSOR CIRCUIT CPU U11 85 2324 DETECTOR CIRCUIT CUTTER SENSOR CIRCUIT INCL 32KB RAM POWER ON OFF CIRCUIT USB INTERFACE CIRCUIT PT 2300 2310 OSCILLATOR CIRCUIT CASSETTE SENSOR CIRCUIT 5 bit DC MOTOR DRIVER CIRCUIT DC MOTOR ENCODER SOLDER POINTS CUTTER MOTOR DRIVER CIRCUIT MOTOR KEY CONTACTS FOR 50 KEYS AND ONE On Off Key Fig 3 2 1 Block Diagram of Main PCB 2 3 2 2 The CPU 011 H8S 2324 is 16 bit CMOS microprocessor which integrates 32 kiloby
48. e rightside up and open the cassette cover fully 2 Pull the tape cassette up and out of the machine Cassette cover gt Tape cassette Fig 2 2 2 Removing the Tape Cassette 3 Pull the tape separator stick up Hook Fig 2 2 3 Removing the Tape Separator Stick 3 Removing the Bottom Cover 1 Close the cassette cover while pressing down section B 3 Remove five screws from the bottom cover 4 the machine upside down Apply your fingers to the bottom cover and pull it up Cassette cover Section B Section B n b 22 Bottom cover NN Ses ep N 0 2 A A ne Fig 2 2 4 Removing the Bottom Cover 1 11 10 o Separate the bottom cover from the upper cover 5 Open the bottom cover to the left as shown below 7 Attach the tweezers onto the positive and negative terminals in order to discharge the capacitor mounted on the main PCB 8 Disconnect the power supply harness from the main 9 Disconnect the USB IF harness from the main PCB 2300 2310 10 Release the grounding wire from the rib provided on the upper cover and remove the screw that secures the grounding wire to the chassis ASSY PT 2300 2310 Bottom cover Tweezers Positive terminal 4 L USB IF Negative harness Se T terminal Front Eme SET Upper cover Ma
49. e the machine rightside up 2 Liftup the roller release lever 3 Hold the cassette cover at an angle shown below and slide down its hinges until they become fitted into the bottoms of the grooves provided in the bottom cover 4 Close the cassette cover Hinge Cassette cover Roller release lever Hinge Upper cover Fig 2 2 34 Installing the Cassette Cover 10 Installing the Tape Cassette and Tape Separator Stick 1 Fully open the cassette cover The roller release lever pops up 1 2 Insert the tape separator stick into the right side of the main body 3 Load a tape cassette 4 Close the cassette cover The roller holder ASSY will be pressed against the head Hook Tape separator stick Cassette cover lt Tape cassette gt Roller release lever Fig 2 2 35 Installing the Tape Cassette and Tape Separator Stick 11 36 11 Loading Batteries and Installing the Battery Lid 1 Load batteries 2 Fitthe front end of the battery lid into the bottom cover and push down the lid B 22 ee 2 l E a Bottom cover E d 4d Battery Lid Fig 2 2 36 Loading Batteries and Installing the Battery Lid 11 37 12 Demonstration Print and Final Check Following items are verified lastly after completed the assembly 1 Press the On Off key 2 While holding down the Code key press the BS lt key to cancel data previously ent
50. ection of the arrow shown in the figure below and remove the main PCB Upper cover Fig 2 2 13 Removing the Main PCB 1 18 Lift up the rubber key pad 3 4 Remove the emblem from the upper cover PT 2300 2310 Remove the navi dial from the upper cover PT 2450 Rubber key pad Upper cover Emblem PT 2300 2310 PT 2450 Rubber key pad Navi dial Upper cover Fig 2 2 14 Removing the Rubber Key Pad 11 19 6 Removing the Switch ASSY 1 Remove the switch ASSY harness from A position of the upper cover 2 Remove the switch ASSY from the bottom cover by pulling the three pawls outwards Switch ASSY Fig 2 2 15 Removing the Switch ASSY 7 Removing the Blind Cover Remove the blind cover from the bottom cover by pulling the three pawls outwards Blind cover Bottom cover Fig 2 2 16 Removing the Blind Cover 20 8 Removing the Power Supply 1 Remove the positive and negative terminals of the battery power cords from the bottom cover Note When handling those terminals do not grip the cords but the terminal plates Remove the pad from the rib on the bottom cover PT 2300 2310 Remove the one screw from the power supply PCB SB PT 2300 2310 mn Battery power cords Power supply PCB P Grounding wire an 8 ANUS Power supply harness lt 9 Ly USB IF harness lt
51. er point Fig 1 7 2 Modes for Inspection 1 7 Key This mode is a mode to perform the final inspection after completed the assembly INFO MODE Fig 2 11 38 7 2 1 Information Mode Displays as shown in Fig 2 when entered into the inspection mode or when depressed 1 key excluding when in the key inspection mode The information mode performs by pressing lt key the country display head rank display and the input electrical power checks 7 2 1 1 Country Display The country display displays the country specifications as designated by the solder points 1 5 U K GER FRE BEL U S A CAN ROM Country LCD Display Solder Points 5 Fe oe O designates the point to be soldered For the French model the point is connected by chip resistance 7 2 1 2 Head Rank Display The head rank displays the rank as designated by the solder points A C The rank B is defined as the setting for no soldering 7 2 1 3 Margin Rank Display The margin rank display displays the rank as designated by the solder points 0 S M L The rank 0 is defined as the setting for no soldering Rank Specification LCD Display Solder Points 11 39 7 2 1 4 Power Supply Voltage Check Display Inspection voltage 12 0 0 V Displays when within the required input voltage range Displays X when out of the range
52. eration The cutter sensor input level is Low If the CPU issues a tape cutting command this drive circuit rotates the DC motor clockwise for cutting the tape The moment the movable blade of the cutter starts and goes out of the home position the cutter sensor level goes High When this sensor level goes Low again the CPU recognizes that the movable blade has returned to the home position after cutting the tape and then applies brake to the DC motor If the sensor level remains Low for 100 ms when the brake is applied the CPU judges that the movable blade stops in the home position and stops the normal motor drive sequence If the movable blade sticks in the home position for 300 ms or does not return to the home position for 1000 ms after the DC motor starts rotating clockwise the CPU regards it as an error and starts error processing and shows the 1 message on the LCD If the movable blade lies out of the home position due to abnormal end of operation you need to turn the power off and on with the On Off cy key Then the CPU rotates the cutter motor counterclockwise to return the movable blade to the home position initializing the cutter CPU P32 AXD DCB U11 61 P31 TXD4 Petras H8S 2324 CN4 2 toca VBT u2 VBT B2B ZR 8
53. ered 3 While holding down the Code key press the key to start the demonstration print During the demonstration print check that the machine feeds the tape and the prints data correctry Then cut the tape If any problem is found go to the trouble shooting in chapter 4 5 Open the casssette cover ASSY to check that it retracts the roller holder ASSY from the termal head Thereafter the cutter safety lock mechanism is verified no problem after removed the laminate cassette tape Remove the batteries and set the AC adapter After that comfirm the On Off key At last no problem is verified by conducting the following inspections 7 1 Inspection Mode Starting Procedure The inspection mode is initiated by pressing the CODE key key and On Off key simultaneously when internal RAM is cleared while electrical power OFF Displays will become as shown in Fig 2 First release the On Off key However Error processing will be started when occurred the following error When such is the case please repair by referencing to the Chapter 4 trouble shooting 7 1 1 Soldering Checks Checks are performed for the solder points Operation is finished by displaying as shown in Fig 1 when the solder is ON for more than 2 points or when the soldering made to inappropriate position SOLDER X Display shown in Fig 1 appears only when there is an error at the Sold
54. et renee ere ae meer 1 111 1 Bp uu BODIE E E EE EEEE ne ene 111 1 TUES AM PION eU D EE 111 1 32 MAINPOB 2 2201 2 Ren 111 3 111 3 3 2 4 Key Contacts Matrix and Solder 111 4 111 4 A A AN SETTE 111 5 3 2 5 Power On Off Circuit and Power Saving 111 6 A N N T 6 2 B MIS DISC 5 111 8 111 10 Boo Dres 111 11 3 2 9 Voltage Detector Circuit and Temperature Sensor 111 12 Ld 111 12 2 Ambient temperature sensor COUN 11 12 32 10 Sensor CGU s nisu ness EPEPRRNPH ERR 111 13 111 14 sc ps 111 14 e ETE C ER 111 15 CHAPTER ELECTRONICS 3 1 3 1 1 OUTLINE OF CONTROL ELECTRONICS Configuration of the Electronic Part Fig 3 1 1 shows a block diagram of the control electronics of the PT 2300 2310 2450 The control electronics consists of three printed
55. he Serial number box For example when U60043 G1J497587 is described in the rating plate enter the last 9 digits 6 After entering the serial number click the Write button The serial number entered in the Serial number box is written into the machine and the message such as Complete to write the serial number Current serial number G1J497587 appears 7 Writing the serial number is finished Turn off the power switch of the machine and disconnect the USB cable CAUTION While running the other inspection software or printing ensure not to start this software While running the software also ensure not to start the other inspection software or print Failure to do so cannot guarantee the software operation Appendix 2 PT 2300 2310 USA CAN 1 2 88 PS6 SCK 1 54 B TED panoi T prd 1717 081141 meni ET Celia Pov Rowan 54 na mni me ora Be celal 44 71 PERT 48 cals
56. idge type 2 Types of tape cassettes Laminated tape cassette Laminate tape ink ribbon and adhesive base tape Non laminated tape cassette Non laminate tape and ink ribbon Instant lettering tape cassette Instant lettering tape and ink ribbon Non laminated thermal film thermal film tape tape cassette lron on transfer tape cassette lron on transfer tape and ink ribbon Stamp tape cassette Porous stamp tape and base paper Cloth tape cassette Cloth tape and ink ribbon 3 size wem Laminate tape 6 9 12 18 24 8m mm 5 m for the fluorescent coating tape Non laminate tape 6 9 12 18 24 mm Non laminate thermal film 12 18 mm tape Iron on transfer tape 4 Tape cassette packed with the machine 8m 8m 8m 6m 3m m Laminated tape cassette containing a 12 mm wide black ink ribbon laminate tape and adhesive base tape 1 1 6 Tape Cutter 1 Tape cutting Automatic cutter scissors type 2 Cutter unit Not user replaceable Aco Length Mirror Undl Frm Width Size Width Style Underline Frame Store Recall M Del LineOut Clear OOOOOOOHOOO Tablengh Tape Align Length Stamp Repeat 22 O mbol Accent A Cut 65 G5 600 6265 69 65 05 Se ars PT 2300 2310 U S A Fig 1 1 2 Key Arrangement 1 gmane Length i Mirror Function ABC A F A lt
57. in PCB Power supply harness Bottom cover PT 2450 Tweezers Positive terminal Negative terminal SS e at Upper cover Power supply harness Main PCB Fig 2 2 5 Removing the Bottom Cover 2 Note Check that the lower feet are tightly attached to the bottom cover without any gaps peeling off or overreaching 11 11 4 Removing the Cassette Cover Chassis ASSY and Shield Plate CAUTION During the following job handle the connectors and harnesses gently so as not to damage them 1 Take off the cassette cover from the upper cover The roller release lever will pop up Cassette cover Roller release lever Upper cover Fig 2 2 6 Removing the Cassette Cover 2 Remove the switch ASSY harness which is soldered at 6 places from the main PCB Note However if only the chassis ASSY is removed the soldered switch ASSY must not be removed Switch ASSY harness Main PCB Upper cover Fig 2 2 7 Removing the Chassis ASSY and Shield Plate 1 1 12 Disconnect the following harnesses from the main PCB Cutter motor harness Full cutter sensor harness Photo interrupter harness Remove the harness the main PCB by melting the solder DC motor harness Disconnect the head cable from the main PCB Remove the two screws of the chassis ASSY Remove the shield plate from the chassis ASSY Lift the chassis ASSY up and out of the upper cover iM Shield Plate
58. ing pressed if the CPU reads the same data four successive times it interprets the state as the key being released NENNEN RETURN SPRING MAIN PCB CARBON PRINTED ELECTRIC NODE Fig 3 2 3 Structure of a Key T 14 ms r 12 ms i KO1 2ms Fig 3 2 4 Key Scan Timing Scheme and Scanning Pulse Outputs 4 op Le Lo o Lo Leo Le e Lo o Leo V Lo eo y U S A CANADA 1 61 m Solder points 1 through 5 customize the machine for the destination Solder points A through C are reserved for the future use for the individual thermal head properties Three margin cutting modes S M and L are provided The CPU reads the solder point status once in the powering on sequence to recognize the Fig 3 2 5 shows a circuit diagram relating to the key pad and solder points customization Solder points 2 4 2 Leo Le o gt Y 5 Kril Leo Fig 3 2 5 Key pad and Solder Points
59. it tester for testing the conductivity remove all of the batteries and the AC adapter from this machine 4 1 2 After Repairing After repairing the defective section be sure to check again CHAPTER II 12 Demonstration Print and Final Check to see if the repaired section works correctly Also make a note of the troubleshooting procedure so that it will be handy should problems occur in the future 4 1 3 Troubleshooting Flows 1 Tape feeding failure The tape will not feed through Put in a new tape cassette then try printing again Y End of repair The Normal tape feeding old tape cassette may be defective Is there any oil on the tape feed sub roller y Clean up the roller Is the pressure of the tape feed sub roller 10 78 38 N 110022 9 at the roller center N Replace the roller holder ASSY Is the motor Any rotation of the DC motor harness soldered N Solder the motor harness Without tape cassette loaded and with the roller release lever engaged normal motor rotation Any open circuit Y in the motor harness Replace the DC mote ASSY with a new one Is the tape feed platen roller gear or sub rollers gear deformed With tape cassette loaded and with the roller release lever engaged normal motor rotation Replace the roller holder Y ASSY Is the black ru
60. m module 2 Power saving circuit The circuit diagram of the power saving circuit is shown in Fig 3 2 6 If you power off the machine with the power On Off 8 key or you make no key entry for approx 5 minutes for approx 30 minutes when the machine uses the USB interface the CPU turns POW High to cut off the Vcc which normally would feed power to the logic circuits except the CPU This way the CPU enters the sleep mode where oscillation stops so as to feed no clock to the CPU In the stand by mode the 3 3BV feeds power only to the CPU To cancel the power saving mode automatic powering off mode and resume the normal operation mode press the power On Off key 7 3 2 6 Fig 3 2 8 shows driver circuit of the DC motor which feeds tapes and ink ribbon Through the CPU issues a start stop control signal to the motor driver circuit Fig 3 2 9 DC Motor Driver Circuit shows the control signal and drive current waveforms The DC motor integrates an electronic governor circuit which handles the variation of the drive source voltage VBT in order to keep the rotation speed constant vec E2 228 ass Q S e ae 22 P68 614 220 E 6 go 5 EI o2 Be Bow AN
61. mal within 5 0 15V Is the VCC line short circuited to GND Transistor Q3 is normal Replace the main PCB Output pin 97 of The power On Off key the CPU LSI is normally is defective Replace the powered rubber key pad Any of devices on the main PCB is defective or loosely soldered on the PCB Replace the main PCB IV 10 4 No key entry possible No key entry is possible Or no correct key entry is possible Any dust or foreign Clean the rubber key pad material on the key contacts or replace the contacts rubber key pad The key pad pattern is Is any key stuck to ON defective Replace the main PCB ASSY The CPU LSI is defective Replace the main PCB ASSY The key scanning signal is normal Replace the main PCB ASSY or the rubber key pad IV 11 5 Tape cutting failure Tape cannot be cut o 5 Replace the cutter ASSY The cutter is driven normally Er pur but it has dull blades causing one cutting problems Tape jammed and pinched in the cutter Are the cutter motor harness and cutter sensor If any break is in tape harness connected correctly 2 replace the cutter and reload the tape cassette tod any breaks Bere ASSY or into place Then press the the cutter sensor On Off key to ASSY initialize the cutter Does the m
62. n none are stored You try to store a text file after 300 characters PT 2300 2310 or 2500 characters PT 2450 have already been stored in the memory The tape cutter is closed when you try to print or feed the tape When the setting marks of TAB is over 50 Using Euro converter the result of conversion overs 12 characters Using Euro converter conversion rate is not inputted If a 24mm tape cassette is not installed when a layout for 24mm tape is selected If a 18mm tape cassette is not installed when a layout for 18mm tape is selected If a 12mm tape cassette is not installed when a layout for 12mm tape is selected If a 9mm tape cassette is not installed when a layout for 9mm tape is selected If a 6mm tape cassette is not installed when a layout for 6mm tape is selected A barcode is being input in the key or Set key push FILES MEMORY FULL CUTTER ___ ERROR TAB LIMIT OVERFLOW CARACT RE INVALIDE PAS_ DE FICHIER KEINE PHRASE FILES ____ MEMORY FULL CUTTER ____ ERREUR ___ ERROR COUPE __ TABULATION MAXI PAS FICHIER ___ M MOIRE PLEINE MEMOIRE ___ PLEINE __ ERREUR COUPE ___ TAB MAX SPEICHER VOLL MESSER FEHLER ___ ZU VIELE TAB STOPS __ _ LIMIT BY ZERO ERROR SET 24mm __ SET 18mm
63. n the power f it rises over approx 15 5 V the CPU displays the following message and immediately shuts down the power CHANGE ADAPTOR MTV 1 2 nee 97 ROA 2 5 gor PON P58 TxD2 TRG4 Ae 5 5 hi ln E 5 3 8 3 5 m h 5 38 CPU GND avec a 103 911 38128888209 NS 194 oT gis ie Pagana H8S 2324 CNS OTs 1 m ANA VBT 197 P427 AN2 B2B PHK S go AVSS DTCLA3ZUA Fig 3 2 12 Voltage Detector Circuit Ambient temperature sensor circuit This circuit is composed of a resistor R85 and a thermistor NT1 It converts the resistance of NT1 whose internal resistance varies in inverse proportion to the ambient temperature to the voltage variation and then feeds its output to the A D input port PAO on the CPU According to the ambient temperature data the CPU determines the optimum head drive power 12 3 2 10 Cassette Sensor Circuit Fig 3 2 13 shows the cassette sensor circuit which reads the five sensor switches Loading a tape cassette turns on some of those five switches while keeping other switches off depending upon the ID encoding holes provided in the tape cassette currently loaded If an encoding ID hole is closed the corresponding sensor switch goes on To read the cassette sensor information the CPU turns i
64. otor rotate Replace the when powering on the machine cutter motor ASSY Tape can be cut End of repair Check the cutter drive mechanism and replace parts if defective If no defective part is found replace the cutter sensor ASSY Replace the cutter ASSY IV 12 6 Interface port failure PT 2300 2310 The interface port cannot operate normally Interface harness N connected to P2 Correct it on the main PCB Y Interface harness N connected to CN7 Correct it on the main PCB Y During printing the interface port mode N The main PCB may be Vout 3 3V on 27 of defective Replace the the PDIUSBD12 U4 PCB ASSY Y Signals issued from the PDIUSBD12 U4 N are normal Replace the PCB ASSY Y Are CN1 mounted N on the power supply PCB Replace the power normally supply PCB ASSY The interface cable is defective Replace it IV 13 7 Abnormal LCD indication Certain display position s shows abnormal indication Output signals from LCD driver U3 are normal The LCD is not mounted correctly Replace the main PCB ASSY LCD driver U3 is defective Replace the main PCB ASSY IV 14 8 Tape cassette type not identified The tape cassette type cannot be identified correctly The cassette sensor cable is normally
65. ovided on the bottom cover Refer to Fig 2 2 21 2 Stick the pad onto the rib on the bottom cover The double faced adhesive tape is provided on the pad PT 2300 2310 3 Secure the power supply PCB to the bottom cover with one screw Tightening torque 392 98 mNem 4 1 kg cm Positive terminal PT 2300 2310 screw Power supply PCB Negative terminal Positioning pin AR IIS i Bottom cover USB IF harness Rib PT 2450 Power supply PCB Screw 5 T Positive terminal Negative terminal Positioning pin J Bottom cover Fig 2 2 20 Installing the Power Supply 1 11 24 2300 2310 2450 Fig 2 2 21 Installing the Power Supply 2 11 25 3 Installing the Blind Cover Fit three holes of the blind cover over the pins provided on the bottom cover and push down the blind cover until pawls B catch the hooks on the bottom cover Blind cover Pawl Holes A Hooks Fig 2 2 22 Installing the Blind Cover 4 Installing the Switch ASSY 1 Putthe switch ASSY into the upper cover so that the switch ASSY is hooked onto the three pawls of the upper cover completely 2 Hookthe switch ASSY harness into the two ribs on the upper cover Switch ASSY Upper cover gt Fig 2 2 23 Installing the Switch ASSY
66. per cover For making the following jobs easier push the roller release lever to the horizontal position Install the shield plate to the chassis ASSY Secure the chassis ASSY to the upper cover with two screws Tightening torque 392 598 mNem 4 1 kg cm Put the switch ASSY harness into the A of the upper cover 53 6 Connect the following harnesses to the PCB Photo interrupter harness Full cutter sensor harness Cutter motor harness Note Be sure to route the cutter sensor harness between the cutter motor and the chassis as illustrated below This will prevent the harness from getting hooked over the boss provided on the bottom cover when reinstalling the bottom cover 7 Solder the DC motor harness to the main PCB Note 1 Be careful to the direction of the motor harness and not to stick out from the designated place when soldering Note 2 Put the photo interrupter harness into the position A 8 Connect the head cable to the main PCB V y Screws 5 Pu e Shield plate Switch ASSY harness Photo interrupter harness Chassis ASSY Photo interrupter harness DC motor harness Cutter motor ASSY Head cable Full cutter sensor harness Cutter motor harness Full cutter sensor PRO ASSY Red Black DC motor harness Upper cover Main PCB Fig 2 2 27 Installing the Chassis ASSY and Shield Plate 1 11 29 7 Solder the
67. r holder ASSY around the shaft provided on the chassis so as to press the roller holder ASSY against the head ASSY side The platen is pressed perpendicularly against the head ASSY with the tape and ink ribbon only the tape when using non laminated thermal film tape cassettes or stamp tape cassettes sandwiched inbetween under a uniform load by the platen upper and lower spring At the same time the platen gear becomes engaged with the platen idle gear Also the tape feed sub roller is pressed perpendicularly against the tape feed roller built in the tape cassette with the tape and base paper when using laminated tape cassettes or stamp tape cassettes sandwiched inbetween under a uniform load by the roller holder upper spring and roller holder lower spring At the same time the sub roller gear becomes engaged with the tape idle gear If you open the cassette cover the roller release lever pops up which shifts the roller holder release rod so that the roller holder ASSY is retracted from the head ASSY providing you with enough space to replace the tape cassette Head ASSY PER Laminate tape Tape cassette Adhesive base tape C Platen idle gear Tape feed roller Ink ribbon Tape feed sub roller Chassis ASSY Roller release lever Platen roller Shaft Roller holder release rod Roller holder ASSY
68. ressing the On Off Y key raises the 3 3 source 3 3 BV which feeds power to the logic circuitry After approx 80 ms from when the 3 3 BV reaches approx 2 8 V point A in Fig 3 2 17 the reset IC PST3628 Q10 operates to turn the RESET from Low to High When the power is cut off or the battery output drops so that the Vcc drops below approx 2 8 V point B the RESET turns from High to Low A 3 Fig 3 2 17 Reset Timing 15 3 2 14 LCD Driver Circuit The LCD driver 2 NJU6450 consists of a 2560 bit display data RAM CPU interface circuit instruction execution unit CR oscillation circuit 16 source drivers and 61 segment drivers It stores data sent from the CPU into the embedded 2560 bit RAM and drives the dot matrix LCD elements through the source segment drivers i BES RES BOBO SOR EOS X E EO RE ES s BE E EGEEGEG OEGOE E EON NOE OLON EON OE ON E E EEE OE OE OX ox 12 8 d Man Li iu R M R cioe EG BHU GE HHH DHL 85 2324 Fig 3 2 18 LCD Driver Circuit 16 3
69. rinted characters Check that there is no dust on the platen or the thermal print head Normal printing End of repair Output on pins 59 62 63 and 64 of the CPU LSI is normal Head connector CN3 on the main PCB is normal Photo interrupter connector CN1 on the main PCB is normal Output on pins 98 and 101 of the CPU LSI is normal The print head is defective Replace the head ASSY The CPU LSI is defective Replace the main PCB ASSY Head connector CN3 is defective Replace the main PCB ASSY Photo interrupter ASSY is defective Replace it The main PCB is defective Replace the main PCB ASSY 3 Powering failure Nothing appears the LCD Turning on the On Off ON key does not power the machine nothing appears on the LCD PEU adapter Driven by batteries or AC adapter By batteries Is the battery type correct Alkaline batteries LR6 N Load the correct type of batteries N Correct the loading direction of those batteries Are the batteries loaded with right polarity Y Replace the power Any breaks in the battery supply PCB ASSY power cords Replace batteries with new ones and turn on the On Off key Power supplied End of repair 3 3BV pin of C23 is normal within 3 3 0 15V Is the 3 3VCC line short circuited to GND The VCC is nor
70. sensor actuator which presses the cutter sensor switch to close the switch contact If the cutter motor is driven the linked movable blade moves to cut tape releasing the cutter sensor to open the switch contact The CPU continues to run the cutter motor until the switch contact closes again o e Bog 2 ANN 22 Ret 1 2 pc d C104 GND GND CPU U11 85 2324 P53 ADTAG IGR7 WAIT BREGO Fig 3 2 14 Cutter Sensor Circuit 3 2 12 Oscillator Circuit Fig 3 2 15 shows the oscillator circuit It generates 20 MHz source which acts as a CPU basic clock H8S 2324 Fig 3 2 15 Oscillator Circuit 11 14 3 2 13 Reset Circuit Fig 3 2 16 shows the reset circuit This circuit prevents the CPU and logic circuitry from malfunctioning in powering on and off sequences or when the battery output drops abnormally 3 3VCC 3VCC 9 9 40 gt v n4 e ae OS 5 wo 8 3 vss VOUT L e PST3628NR Io LB b db Q tr CPU U11 85 2324 Fig 3 2 16 Reset Circuit Fig 3 2 17 shows the reset timing when the power is first applied or cut off or when the battery output drops below the specified level When the machine is loaded with batteries or its AC adapter is plugged in p
71. sette cover As described in Subsection 2 1 2 Roller Holder ASSY Setting amp Retracting Mechanism the roller release lever shifts the roller holder release rod so that the roller holder ASSY is pressed towards the head ASSY side Tape cassette Head ASSY Shaft Platen roller Tape feed _ sub roller 8 c Chassis ASSY m Roller release lever Roller holder ASSY Roller holder release rod Roller release lever Roller holder release spring Roller holder release rod Roller Holder ASSY retracted Roller Holder ASSY engaged Fig 2 1 6 Roller Release Lever and Roller Holder Release Rod Cassette cover A lt Hooked section Cassette cover Fig 2 1 7 Roller Holder ASSY amp Cassette Cover Interlocking Mechanism Opening the cassette cover pulls up the roller release lever placed in the hooked section of the cassette cover which shifts the roller holder release rod so that the roller holder ASSY is retracted from the head ASSY side by the platen lower spring Il 7 2 2 DISASSEMBLY amp REASSEMBLY 2 2 4 Disassembly Procedure 1 Removing the Battery Lid and Batteries 1 Turn the machine upside down 2 Press section A of the battery lid to remove then take out batteries Section A Battery lid Bottom cover Batteries Bottom cover Fig 2 2 1 Removing the Battery Lid and Batteries Il 8 2 Removing the Tape Cassette and Tape Separator Stick 1 Place the machin
72. six switch ASSY harnesses onto the PCB Switch ASSY harness Black G 94 Green 94 Red Y C94 Yellow B lt Blue 4 Orange Upper cover Main PCB Note Be careful to the direction of the switch ASSY harness and not to stick out from the designated place when soldering switch ASSY harness Fig 2 2 28 Installing the Chassis ASSY and Shield Plate 2 11 30 Assembling the Components of the Chassis ASSY Installing the full cutter sensor PRO ASSY cutter motor ASSY and cutter ASSY 1 Fitthe actuator into the hole provided in the chassis ASSY and turn it clockwise 2 Secure the full cutter sensor PRO ASSY to the chassis ASSY with screw e Tightening torque 147 49 mNem 1 5 0 5 kg cm 3 Secure the cutter motor ASSY with two screws d with its harness facing down Tightening torque 39298 mNem 4 1 kgecm 4 Set the cutter double gears and cutter moving gear into place then fit the washer in the cutter moving gear b Secure the cutter ASSY with screw so that the long hole provided in the moving blade becomes fitted over the boss of the cutter moving gear Tightening torque 588x196 mNem 6 2 WARNING Be careful with the cutter blades 6 sure that the cutter ASSY is fitted on the side of the chassis ASSY without any gap 7 Apply half of a rice sized pinch of grease Silicon grease
73. ssettes instant lettering tape cassettes and iron on transfer tape cassettes the CPU processes the print data to generate a mirror image so that the printed character can be seen normally when viewed from the other side of the printed face of the tape Character Formation While the DC motor feeds the tape and ink ribbon only the tape when using non laminated thermal film tape cassettes or stamp tape cassettes by 0 141 mm the thermal head generates heat once The feed amount is decided by sending each five pulses of the signal as one dot 0 141 mm when the photo interrupter detects the encode gear assembled onto the motor shaft The feed amount of 0 141 mm is smaller than the width 0 195 mm of the heating elements so that the heat generated at one heating cycle will overlap with the next heating cycle This forms a character having no gap between adjacent printed dots 11 2 2 1 2 Roller Holder ASSY Setting amp Retracting Mechanism This mechanism consists of the roller release lever roller holder release rod and roller holder ASSY The roller holder ASSY supports the platen and the tape feed sub roller so that they can move perpendicularly to the head ASSY and the tape feed roller respectively as well as rotating freely Loading a tape cassette and closing the cassette cover pushes down the roller release lever which moves the roller holder release rod to the left when viewed from the front of the machine This pivots the rolle
74. t lettering tape when using instant lettering tape cassettes Non laminated thermal film tape when using non laminated thermal film tape cassettes Iron on transfer tape when using iron on transfer tape cassettes Cloth tape when using cloth tape cassettes When using non laminated thermal film tape cassettes or stamp tape cassettes no ink ribbon is sandwiched For tape cassettes except non laminated thermal film tape cassettes and stamp tape cassettes If the selected heating element s generates heat the ink on the sandwiched ribbon will be melted and transferred to the tape producing a dot s on the tape The ink ribbon and the tape are advanced and then the next heating cycle is repeated thus forming a character on the tape For non laminated thermal film tape cassettes If the selected heating element s generates heat the thermal film tape develops itself to produce a dot on the tape The tape is advanced and the next heating cycle is repeated thus forming a character on the tape 11 1 For stamp tape cassettes If the selected heating element s generates heat the porous stamp tape will be melted so that a pore pores will be formed in the tape The tape is advanced and the next heating cycle is repeated thus forming a character of pores on the tape The printed stamp tape can be used as the face of a stamp When the stamp is pressed against the ink pad it will absorb ink through the pores For laminated tape ca
75. te RAM The external data bus is 16 bits through which the CPU controls the ROM The internal data bus is 16 bits A 418 e 5 U 3 lise 91 4 e 7 1 ABV E E ccs 116194 AR YCC 58 ali ron Kin 5 cas patei MAL 207 515 E 57 08144 ANS 06 014 E 56 081431 Bla SINN 5 18 4 CPU mus als 55 1 we U11 Re vesa mt aa LANs 3 B 85 2324 Dale ABLE E ANNE AG 202 018 14 Hia d 3 ARA 15 is eal 56 0818 ALG 5 5 16 pis EDEN 49 08171 0816 12 a 08151 0814 S5 e PEND x Posta 8 n Eya 0812 AB 14 14 Pe2 na 0811 mum Term patal ETE NM ao T3 ME RS 8 A2 A1B 27 19 1 90 28 Issa 29 EN 201 AA A20 TPOA 1 2 ls aid 43 20 ABB 3 ag x ABB 4 s enel 508 4 48 I mun 5 9 MASK ehe ROM mE is 7 aa 8131 cep sa 9 16 INNEN PE Bl46 11 34 Lad VN en 2 ja p 7
76. ts P105 KO10 High to gate the cassette sensor signal on its 90 through P97 KIO through KI7 With the states of those sensor switches the CPU identifies the tape width and ink ribbon type of the tape cassette as listed in Table 3 2 1 BA if 108 P43 AN3 oe t 108 44 4 CPU RISE t 119 P45 ANS U11 STN 111 P4B ANS DAG Uu par P47 AN7 DA4 85 2324 150k Q swi OCH sw cHY sw3 CHR sw4 CHK CHG sws GND Fig 3 2 13 Cassette Sensor Circuit 1 Switch ON ID hole closed 0 Switch OFF ID hole opened Cassette type No tape cassette loaded 0 0 o Position of 6mm Laminated tape cassette Sensor Switches Non laminated tape cassette Laminated tape cassette Non laminated tape cassette Laminated tape cassette Stamp tape cassette M Non laminated tape cassette Laminated tape cassette Stamp tape cassette L Non laminated tape cassette Instant lettering tape cassette Iron on transfer tape cassette Laminated tape cassette Non laminated tape cassette 5 OSW4 OSW3 OSW2 OSW1 The refill tape cassette for color printing is also included in this type Table 3 2 1 Coded Values for Identifying Tape Cassette Type 13 3 2 11 Cutter Sensor Circuit Fig 3 2 14 shows the cutter sensor circuit When the cutter is opened the movable blade activates the cutter
77. upts the CPU on pin 38 Then the CPU Switches pin 38 to the input port and enters the process which eliminates the chattering signal components in the signal IRQO 6 Powering on sequence See Fig 3 2 7 1 Interrupted by IRQO the CPU starts the chattering elimination program module 2 If pin 38 is Low for 10 ms the CPU recognizes the On Off key as being pressed and then transfers the control to the main program module If pin 38 is High the CPU interprets the input as a noise and waits for the next IRQO On Off key on On Off key off 10 ms 10 ms A B C D Fig 3 2 7 Powering on and off Sequence 3 Even if releasing the On Off key makes a chattering noise so as to generate IRQO the CPU interprets the signal as a noise for 10 ms between A and B and then transfers the control to the main program module Powering off sequence See Fig 3 2 7 1 Interrupted by IRQO the CPU starts the chattering elimination program module 2 If pin 38 is Low for 10 ms the CPU recognizes the On Off 4 key as being pressed and then transfers the control to the sleep program module If pin 38 is High the CPU interprets the input as a noise and keeps the main program module 3 Even if releasing the On Off key makes a chattering noise so as to generate IRQO the CPU interprets the signal as a noise for 10 ms between C and D and then transfers the control to the sleep progra

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