Brother P-Touch PT-2730 Service Manual Download Page 50

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(2) Set the main PCB ASSY to the PCB holder, and secure it with the two screws.

(3) Set the PCB holder to the upper cover, and secure it with the two screws.

NOTE:

When assembling the PCB holder, be careful to handle the LCDM flat cable.

NOTE:

When wiring, pass the lead wires through the guide as shown the below figure.

Figure 3.1-34 Installing the Main PCB ASSY and the PCB Holder

Main PCB ASSY

LCDM flat cable

Upper cover

LCD module ASSY leads

LCD module
ASSY leads

Guide groove

Screws

Screw

PCB holder

Screw

Summary of Contents for P-Touch PT-2730

Page 1: ...P touch SERVICE MANUAL MODEL PT 2730 ...

Page 2: ...he 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 SPECIFICATIONS CHAPTER II THEORY OF OPERATION CHAPTER III DISASSEMBLY REASSEMBLY CHAPTER IV TROUBLESHOOTING APPENDIX 1 CIRCUIT DIAGRAMS Copyright Brother 2010 All rights reserved No part of this publication m...

Page 3: ... 1 Block Diagram II 8 2 Cassette Sensor II 9 CHAPTER IIIDISASSEMBLY REASSEMBLY 3 1 Disassembly Reassembly III 3 3 1 1 Disassembly Procedure III 3 1 Removing the Tape Cassette and the Cassette Cover ASSY III 3 2 Removing the Battery Lid and the Dry Cells III 4 3 Removing the Bottom Cover the Blind Cover and the Battery Terminals III 5 4 Removing the Chassis ASSY III 7 5 Disassembling the Chassis AS...

Page 4: ... 60 3 3 6 Check encoder read mode E key III 61 3 3 7 Write serial No mode U key III 63 3 4 Troubleshooting for the Test Mode III 64 1 LCD Indication Check mode III 64 2 Cassette Sensor Switch Check mode III 65 3 Key Check mode III 67 4 Print Check mode III 68 5 Cut Check mode III 68 6 Encode Reading Check mode III 70 7 DC Motor Rotation Adjustment mode III 71 8 Head Rank Set mode III 71 CHAPTER IV...

Page 5: ... 1 8 kg US specification is not included the batteries Including one tape cassette 1 1 2 Keyboard 1 Entry system Rubber key pad 2 Number of function keys 68 including ON OFF key 3 Key arrangement See Figure 1 1 2 1 1 3 Display 1 Display type Liquid crystal display LCD with a backlight 2 Display composition 128 x 48 dots Full graphics backlight 3 Field of view angle adjustment Fixed 4 Contrast adju...

Page 6: ... of 128 heating elements vertically aligned Size of a heating element 0 18 mm wide by 0 127 mm high 3 Character size 1 1 5 Tape Cutter 1 Tape cutting Automatic cutter scissors type 2 Cutter unit Not user replaceable Point Character height Total number of dots 7 2 3 16 9 3 4 24 12 4 5 32 18 6 8 48 24 9 0 64 36 13 5 96 48 18 0 128 ...

Page 7: ...I 3 Figure 1 1 2 Key Arrangement 1 PT 2730 USA ...

Page 8: ...I 4 Figure 1 1 3 Key Arrangement 2 PT 2730 UK ...

Page 9: ...I 5 Figure 1 1 4 Key Arrangement 3 PT 2730 DEU ...

Page 10: ...I 6 Figure 1 1 5 Key Arrangement 4 PT 2730 FRA ...

Page 11: ...kaline dry cells AA 3 Service life of batteries Will last through one 24 mm wide tape cassette and then some 4 Automatic powering off Yes 5 AC adapter AD 24ES US AD 24ES EU AD 24ES UK AD 5000ES AUS 1 3 Key Commands for Special Functions 1 3 1 Initializing When the machine is turned off press the ON OFF key while pressing both the Space and BS keys so that the machine initializes the internal memor...

Page 12: ... uniform load by the platen upper and lower springs 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 an...

Page 13: ... the photo interrpter ASSY Then the rotation is transmitted to the tape idle gear which rotates the tape feed sub roller gear and platen idle gear which rotates the tape feed platen gear through the gear train so that the tape and ink ribbon to be sandwiched inbetween are fed forwards The laminate tape adhesive tape and ink ribbon to be sandwiched inbetween are fed when using laminated tape casset...

Page 14: ...ake up roll in the tape cassette which is engaged with the ribbon drive cam also rotates to take up the ink ribbon To apply proper tension to the ink ribbon between the platen roller and the ribbon drive cam the feed amount of the ribbon drive cam is slightly greater than that of the tape feed roller The difference between the tape feed speeds at the platen roller and at the ribbon drive cam is ab...

Page 15: ... cutter movable blade on the shaft Y to the direction to the arrow as show in the figure below Consequently the cutter cuts the printed tape routing through the cutter movable and fixed blades just like a scissors After that the CPU keeps the cutter motor on When the cutter movable blade comes back to the home position its end Z activates the cutter sensor actuator which presses the cutter sensor ...

Page 16: ...ever and Roller Holder Release Rod Figure 2 1 6 Roller Holder ASSY 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 roller holder release spring Roller holder release lever Roller h...

Page 17: ...her related electronic devices to supply the control electronics and DC motors with power from the dry cells or AC adapter DC Motors This machine has two DC motors tape feed motor and cutter motor The former feeds tape and ink ribbon and the latter drives the cutter to cut tape Thermal Print Head This is a thick film thermal print head which integrates a heat generator consisting of 128 heating el...

Page 18: ...or Cutter motor Main PCB Key PCB Relay harness Tape feed motor K R W G Br B O CN6 CN1 CN2 CN3 CN4 CN5 CN7 USB harness Power supply haeness USB jack Positive battery terminal Negative battery terminal Cassette sensor PCB Battery terminal Lead ID color AC adapter USB cable B G O K Blue Green Orange Black R W Y C Br Red White Yellow Brown Cassette sensor Brown Power supply sensor ...

Page 19: ...C adapter detector circuit Cassette sensor Key board Cutter sensor circuit LCD 128x48 dots FULL GRAPHICS LCD interface circuit Baxklight control circuit ROM 64Mb 16 bit bus Thermal head driver circuit Power supply voltage detector circuit Intermediate battery voltage detector circuit Environment temperature detector circuit RTC circuit Oscilattion circuit Cutter sensor Cassette sensor Key board ON...

Page 20: ...e switch SW6 SW1 SW2 SW3 SW4 SW5 Cassette not installed 0 0 0 0 0 0 3 5mm Non laminated tape cassette 0 0 1 1 0 1 6mm Laminated tape cassette 0 0 1 0 0 0 Non laminated tape cassette 0 0 1 1 0 0 9mm Laminated tape cassette 1 1 1 0 0 0 Non laminated tape cassette 1 1 0 0 0 0 12mm Laminated tape cassette Instane lettering tape cassette 0 1 0 0 0 0 Non laminated tape cassette Fabric tape cassette Refi...

Page 21: ...brication points list Tightening Torque List Location Screw type Q ty Tightening torque N m kgf cm Cassette cover ASSY Bottom cover Chassis ASSY Head ASSY Photo interrupter ASSY DC motor ASSY Cutter ASSY Cutter motor ASSY Full cutter sensor PRO ASSY Power PCB ASSY Cassette PCB ASSY PCB holder Main PCB ASSY PStite M2 x 4 CH Taptite bind B M2 6 x 10 Taptite bind B M2 6 x 8 Screw bind M3 x 4 Screw pa...

Page 22: ...ication Points List Figure 3 1 Lubrication Points Grease to be used Silicon grease G501 half of a rice sized Cutter ASSY Chassis ASSY Roller holder ASSY Grease to be used Silicon grease G501 half of a rice sized ...

Page 23: ...ver ASSY 1 Open the cassette cover ASSY 2 Remove the tape cassette 3 Pull the arms outwards and remove the cassette cover ASSY from the main body 4 Remove the screw from the cassette cover Figure 3 1 1 Removing the Tape Cassette and the Cassette Cover ASSY Cassette cover ASSY Screw Arms Tape cassette Main body ...

Page 24: ...ls 1 Turn the machine upside down 2 Press the section A of the battery lid to release the latch and remove the battery lid Figure 3 1 2 Removing the Battery Lid 3 Remove the eight dry cells Figure 3 1 3 Removing the Dry Cells A Battery lid Dry cells ...

Page 25: ...he six screws Figure 3 1 4 Removing the Screw 2 Open the bottom cover from the upper cover NOTE Do not pull the bottom cover away from the upper cover Those covers are connected with the lead wires Figure 3 1 5 Opening the Bottom Cover Screws Screws Bottom cover Bottom cover Upper cover ...

Page 26: ...ss the locking pawls on the two battery terminal 2030 with the tip of the flat screwdriver and remove them from the inside of the bottom cover Figure 3 1 6 Removing the Blind Cover and the Battery Terminals Blind cover Hook Hook Hook Positive battery terminal Bottom cover Battery terminal 2030 Battery terminal 2030 Locking pawls Battery terminal 2730 Negative battery terminal Screwdriver ...

Page 27: ...nector and the photo interrupter connector from the main PCB ASSY 2 Unsolder the two DC motor leads and the two cutter motor leads from the main PCB ASSY Figure 3 1 7 Disconnect the Connectors and Unsoldering the Leads Main PCB ASSY Main PCB ASSY Main PCB ASSY Head ASSY FPC Photo interrupter connector DC motor leads DC motor leads Black Red Cutter motor leads Cutter motor leads Full cutter sensor ...

Page 28: ...III 8 3 Remove the three screws and remove the chassis ASSY from the upper cover Figure 3 1 8 Removing the Chassis ASSY Screws Chassis ASSY Upper cover ...

Page 29: ...e spring from the section A where the spring is fixed and remove the lever release spring from the roller release lever 3 Remove the roller release lever from the chassis ASSY Figure 3 1 9 Disassembling the Chassis ASSY 1 A Chassis ASSY Lever release spring Retaining ring Roller release lever ...

Page 30: ...lder ASSY and the roller holder release rod from the chassis ASSY 7 Remove the roller holder release spring from the roller holder ASSY NOTE Do not touch the roller of the roller holder ASSY Figure 3 1 10 Disassembling the Chassis ASSY 2 6a 6b 5 Retaining ring Roller holder release rod Roller holder ASSY Roller holder release spring Roller holder release spring B Chassis ASSY ...

Page 31: ...III 11 8 Remove the screw and remove the head ASSY from the chassis ASSY NOTE Do not touch the thermal head Figure 3 1 11 Disassembling the Chassis ASSY 3 Screw Head ASSY Chassis ASSY Thermal head ...

Page 32: ...to interrupter ASSY from the chassis ASSY Figure 3 1 12 Disassembling the Chassis ASSY 4 10 Remove the encode gear from the chassis ASSY Figure 3 1 13 Disassembling the Chassis ASSY 5 Chassis ASSY Screws Photo interrupter ASSY Chassis ASSY Encode gear ...

Page 33: ...Disassembling the Chassis ASSY 6 12 Remove the screw and remove the cutter ASSY from the chassis ASSY NOTE When removing the cutter ASSY be careful not to cut your finger with the cutter Figure 3 1 15 Disassembling the Chassis ASSY 7 DC motor ASSY Chassis ASSY Screws Chassis ASSY Screw Cutter ASSY ...

Page 34: ...er double gears from the chassis ASSY Figure 3 1 16 Disassembling the Chassis ASSY 8 15 Remove the two screws and remove the cutter motor ASSY from the chassis ASSY Figure 3 1 17 Disassembling the Chassis ASSY 9 Chassis ASSY Cutter moving gear Cutter double gears Washer Chassis ASSY Screws Cutter motor ASSY ...

Page 35: ...nsor PRO ASSY from the chassis ASSY Figure 3 1 18 Disassembling the Chassis ASSY 10 17 Remove the actuator from the chassis ASSY Figure 3 1 19 Disassembling the Chassis ASSY 11 Full cutter sensor PRO ASSY Screw Chassis ASSY 1 2 Actuator Actuator Chassis ASSY ...

Page 36: ...do so might break LSIs and other electronic devices 1 Disconnect the two connectors of the power PCB ASSY from the main PCB ASSY 2 Remove the screw and remove the power PCB ASSY from the upper cover Figure 3 1 20 Removing the Power PCB ASSY Screw Power PCB ASSY Upper cover Main PCB ASSY Power PCB ASSY connectors ...

Page 37: ...2730 lead and the eight cassette PCB leads from the main PCB ASSY 2 Remove the screw and release the hook to remove the cassette PCB ASSY from the upper cover Figure 3 1 21 Removing the Cassette PCB ASSY Cassette PCB ASSY Battery terminal 2730 Battery terminal 2730 lead Upper cover Hook Main PCB ASSY Main PCB ASSY Screw Cassette PCB ASSY leads Yellow White Green Yellow Black Brown Red Blue Orange ...

Page 38: ...nd Failure to do so might break LSIs and other electronic devices 1 Disconnect the connector of the LCD module ASSY from the main PCB ASSY 2 Unlock the lock and disconnect the LCDM flat cable from the main PCB ASSY Figure 3 1 22 Disconnecting the Connector and the Flat Cable LCDM flat cable Connector LCD module ASSY Lock Main PCB ASSY ...

Page 39: ...nd remove the PCB holder from the upper cover 4 Remove the two screw and remove the main PCB ASSY from the PCB holder Figure 3 1 23 Removing the PCB Holder and the Main PCB ASSY Main PCB ASSY Upper cover Screws Screw PCB holder Screw ...

Page 40: ...III 20 5 Remove the LCD module ASSY from the upper cover Figure 3 1 24 Removing the LCD Module ASSY LCD module ASSY Upper cover ...

Page 41: ...III 21 9 Removing the Frame Cover 1 Release the six hooks to remove the frame cover from the upper cover Figure 3 1 25 Removing the Frame Cover Frame cover Upper cover Hooks Hooks Hooks ...

Page 42: ...III 22 10 Removing the Rubber 68 Key 1 Remove the rubber 68 key from the upper cover Figure 3 1 26 Removing the Rubber 68 Key Rubber 68 key Upper cover ...

Page 43: ...III 23 11 Removing the LCD Panel 1 Remove the LCD panel from the upper cover Figure 3 1 27 Removing the LCD Panel LCD panel Upper cover ...

Page 44: ...III 24 12 Removing the Anti Static Brush 1 Remove the anti static brush from the upper cover Figure 3 1 28 Removing the Anti Static Brush Upper cover Anti static brush ...

Page 45: ...III 25 3 1 2 Reassembly Procedure 1 Installing the Anti Static Brush 1 Attach the anti static brush to the upper cover Figure 3 1 29 Installing the Anti Static Brush Upper cover Anti static brush ...

Page 46: ...III 26 2 Installing the LCD Panel 1 Attach the LCD panel to the upper cover Figure 3 1 30 Installing the LCD Panel LCD panel Boss Upper cover Boss ...

Page 47: ...stalling the Rubber 68 Key 1 Set the rubber 68 key to the upper cover NOTE Make sure that the rubber 68 key is fitted over the two bosses Figure 3 1 31 Installing the Rubber 68 Key Rubber 68 key Bosses Upper cover ...

Page 48: ...et the frame cover to the upper cover and secure it with the six hooks NOTE Make sure that the frame cover is fitted over the four bosses Figure 3 1 32 Installing the Frame Cover Frame cover Upper cover Hooks Boss Boss Hooks Hooks Boss Boss ...

Page 49: ...the PCBs put on the grounding wrist band Failure to do so might break LSIs and other electronic devices 1 Set the LCD module ASSY to the upper cover NOTE Make sure that the LCD module ASSY is fitted over the two bosses Figure 3 1 33 Installing the LCD Module ASSY LCD module ASSY Upper cover Boss Boss ...

Page 50: ...rews NOTE When assembling the PCB holder be careful to handle the LCDM flat cable NOTE When wiring pass the lead wires through the guide as shown the below figure Figure 3 1 34 Installing the Main PCB ASSY and the PCB Holder Main PCB ASSY LCDM flat cable Upper cover LCD module ASSY leads LCD module ASSY leads Guide groove Screws Screw PCB holder Screw ...

Page 51: ... Connect the connector of the LCD module ASSY to the main PCB ASSY NOTE When wiring pass the lead wires through the guide as shown the below figure Figure 3 1 35 Connecting the Flat Cable and the Connector LCDM flat cable Connector LCD module ASSY Lock Main PCB ASSY Guide ...

Page 52: ...and other electronic devices 1 Solder the eight cassette PCB leads and the battery terminal 2730 lead to the main PCB ASSY Figure 3 1 36 Soldering the Leads Cassette PCB ASSY Battery terminal 2730 Battery terminal 2730 lead Upper cover Main PCB ASSY Main PCB ASSY Cassette PCB ASSY leads Yellow White Green Yellow Black Brown Red Blue Orange ...

Page 53: ...tte PCB ASSY 3 Secure the cassette PCB ASSY to the upper cover with the screw NOTE When wiring pass the lead wires through the guides as shown the below figure Figure 3 1 37 Installing the Cassette PCB ASSY Cassette PCB ASSY Guides Guides Guides Hook Main PCB ASSY Upper cover Battery terminal 2730 Screw ...

Page 54: ...o the main PCB ASSY NOTE When wiring pass the lead wires through the guides and the slits as shown the below figure Figure 3 1 38 Installing the Power PCB ASSY Power PCB ASSY Power PCB ASSY Positive battery terminal Negative battery terminal Positive Negative battery terminal leads Power PCB ASSY leads A Power PCB ASSY leads B Power PCB ASSY leads B Power PCB ASSY connectors Power PCB ASSY leads A...

Page 55: ...he chassis ASSY Figure 3 1 39 Assembling the Chassis ASSY 1 2 Secure the full cutter sensor PRO ASSY onto the chassis ASSY with the screw Figure 3 1 40 Assembling the Chassis ASSY 2 Actuator Actuator Chassis ASSY 2 1 Chassis ASSY Screw Full cutter sensor PRO ASSY ...

Page 56: ... double gear A into the chassis ASSY 5 Set the cutter double gear B into the chassis ASSY 6 Set the cutter moving gear into the chassis ASSY 7 Set the washer into the chassis ASSY Figure 3 1 42 Assembling the Chassis ASSY 4 Cutter motor ASSY Chassis ASSY Screws Cutter moving gear Washer Chassis ASSY Cutter double gear B Cutter double gear A ...

Page 57: ...cure the cutter ASSY onto the chassis ASSY with the screw Figure 3 1 43 Assembling the Chassis ASSY 5 10 Secure the DC motor ASSY onto the chassis ASSY with the two screws Figure 3 1 44 Assembling the Chassis ASSY 6 Chassis ASSY Screw Cutter ASSY A Bosses Screws Chassis ASSY DC motor ASSY ...

Page 58: ...the Chassis ASSY 7 12 Secure the photo interrupter ASSY onto the chassis ASSY with the two screws NOTE Set the photo interrupter ASSY onto the chassis ASSY so that the longer harness is upper than the shorter one Figure 3 1 46 Assembling the Chassis ASSY 8 Chassis ASSY a a Encode gear Chassis ASSY Encode gear a a The same height Photo interrupter ASSY Screws Chassis ASSY ...

Page 59: ...e head ASSY with the screw while aligning the head ASSY with the boss on the chassis ASSY NOTE Be sure that the boss on the chassis ASSY is placed on the center of the long hole on the head ASSY Figure 3 1 47 Assembling the Chassis ASSY 9 Screw Long holes Head ASSY Boss Head ASSY flat cable Chassis ASSY B Head ASSY Boss ...

Page 60: ...e rod and the roller holder ASSY onto the chassis ASSY 18 Hook the roller holder release spring into the section C of the chassis ASSY where the spring is fixed 19 Set the retaining ring Figure 3 1 48 Assembling the Chassis ASSY 10 16 17 18 Retaining ring Roller holder release rod Roller holder release spring Roller holder ASSY Chassis ASSY Roller holder release spring C ...

Page 61: ...ease spring into the roller release lever 22 Hook the lever release spring into the section D of the chassis ASSY where the spring is fixed 23 Set the retaining ring Figure 3 1 49 Assembling the Chassis ASSY 11 Chassis ASSY D Roller release lever Retaining ring Lever release spring ...

Page 62: ...III 42 9 Installing the Chassis ASSY 1 Set the chassis ASSY to the upper cover with the three screws Figure 3 1 50 Installing the Chassis ASSY Screw Chassis ASSY Upper cover ...

Page 63: ...PCB ASSY to the section A NOTE Pass the leads wound on the ferrite core through the inside of the hook b and do not pass the power PCB ASSY leads wound on the ferrite core through the upper side of the ferrite core NOTE When wiring pass the lead wires through the guide as shown the below figure Figure 3 1 51 Soldering the Leads and Connecting the FPC and the Connector Main PCB ASSY Power PCB ASSY ...

Page 64: ...the battery terminal 2730 the positive battery terminal and the negative battery terminal to the inside of the bottom cover 3 Set the blind cover to the inside of the bottom cover and hang the three hooks on the bottom cover Figure 3 1 52 Installing the Battery Terminals and the Blind Cover Hooks Hook Positive battery terminal Battery terminal 2030 Blind cover Battery terminal 2730 Negative batter...

Page 65: ...III 45 4 Set the bottom cover to the upper cover with the six screws Figure 3 1 53 Installing the Bottom Cover Screws Screws Bottom cover ...

Page 66: ...II 46 11 Installing the Dry Cells and the Battery Lid 1 Set the eight dry cells Figure 3 1 54 Installing the Dry Cells 2 Set the battery lid Figure 3 1 55 Installing the Battery Lid Dry cells Battery lid ...

Page 67: ...e cassette cover ASSY 2 Pull the arms outwards and set the cassette cover ASSY to the main body 3 Set the tape cassette to the main body 4 Close the cassette cover ASSY Figure 3 1 56 Installing the Cassette Cover ASSY and the Tape Cassette Arms Tape cassette Main body Cassette cover ASSY Screw ...

Page 68: ...CUT ENCODER and WRITE SERIAL NO submodes TIP The inspection mode actually supports a total of 16 submodes for checking at the factory If any submode other than the above seven is initiated skip it by pressing the 1 3 4 5 6 E or U key to proceed to the WRITE SETTING CASSETTE KEY PRINT1 CUT ENCODER or WRITE SERIAL NO submode respectively 1 Make sure that the internal memory has been initialized and ...

Page 69: ...OK ENTER key The current head rank will be displayed in the lower right LCD In this screen change the indication of the head rank at the same time by pressing the 1 to 3 key Figure 3 3 3 After set the head rank to the A B or C shift the mode by pressing the OK ENTER key In the state without the head rank you can not shift the mode by pressing the OK ENTER key Current head rank in this mode It is d...

Page 70: ... 5 by pressing the OK ENTER key The current specification is displayed in the lower right on the LCD In this screen change the indication of the specification at the same time by pressing the 1 to 5 key Figure 3 3 5 Shift to the Check LCD indication by pressing the OK ENTER key COUNTRY SET 1USA 2GBR 3FRA 4DEU 5AUS USA Europe North America specifications ...

Page 71: ... Press the Display key and the backlight off Press the Display key and the backlight on Figure 3 3 6 Display the LCD check 2 Figure 3 3 7 by pressing the below key Europe North America specifications OK ENTER Figure 3 3 7 Display the LCD check 2 Figure 3 3 8 by pressing the below key Europe North America specifications OK ENTER Figure 3 3 8 Display the LCD check 3 Figure 3 3 9 by pressing the belo...

Page 72: ...low key When the indication is dark select the When the indication is light select the Europe North America specifications OK ENTER When the value is changed return to the Check LCD indication Figure 3 3 6 When the value is not changed write the information of the head rank Country specification and LCD contrast to the FROM by pressing the below key Europe North America specifications OK ENTER ON ...

Page 73: ...6 and the cover sensor in this order Press the sensor by itself If press the sensor with others the NG is judged The position of the cassette sensor is as shown below Press the below key in the middle of the inspection Figure 3 3 12 to Figure 3 3 18 and the Figure 3 3 11 will be displayed Europe North America specifications OK ENTER Press the below key from the state of Figure 3 3 11 and the Figur...

Page 74: ...e cassette sensor 2 When press the sensor other than 2 in the state of Figure 3 3 12 the Figure 3 3 19 will be displayed As shown below press release the cassette sensor 3 4 5 6 and the cover sensor in this order is same way Figure 3 3 14 Cassette Sensor 3 Figure 3 3 15 Cassette Sensor 4 Figure 3 3 16 Cassette Sensor 5 Figure 3 3 17 Cassette Sensor 6 Figure 3 3 18 Cover Sensor CASSETTE 2 CASSETTE ...

Page 75: ...igure 3 3 20 will be displayed If the Figure 3 3 20 is displayed set the 24mm laminate black ink ribbon tape cassette and close the cover After closing the cover print the Figure 3 3 21 by pressing the below key the Figure 3 3 22 will be displayed while printing Europe North America specifications OK ENTER Figure 3 3 20 Figure 3 3 21 Figure 3 3 22 CASSETTE 1 X Set 24mm TZ 001 A 1USA First line Las...

Page 76: ...ting the Figure 3 3 21 shift to the Print 1 mode Figure 3 3 28 When the head rank is not set the Figure 3 3 23 will be displayed and the tape is not printed Figure 3 3 23 After displaying the Figure 3 3 23 Awake the error message by pressing the below key and turn off the power Europe North America specifications ON OFF HEAD RANK X ...

Page 77: ...ine and then press the keys from left to right forth line and then press the keys from right to left fifth line and then press the keys from left to right sixth line and then press the keys from right to left seventh line and then press the keys from left to right eighth line in this order The Figure 3 3 25 is displayed the pressed key If the pressed key works normally the key to be pressed next a...

Page 78: ...III 58 Figure 3 3 27 Key Depressing Order ...

Page 79: ... mode after completion of printing display the Figure 3 3 31 Europe North America specifications OK ENTER Print sample Figure 3 3 29 The print length should be 100 0 5 mm If the print length is out of the specified range adjust the variable resistor on the main PCB by using a flat screwdriver as shown on the figure below Figure 3 3 30 Adjusting the Print Length by Rotating the Variable Resistor PR...

Page 80: ...hile feeding Europe North America specifications OK ENTER Figure 3 3 32 Figure 3 3 33 After feeding and cutting display the Figure 3 3 33 Finish the CUT mode by pressing the OK ENTER key When press the Space key after cutting perform the tape feeding and cutting again This inspection mode continues until OK ENTER is pressed After completion of CUT mode reset the internal RAM and turn off the power...

Page 81: ...he Figure 3 3 34 by pressing the E key Figure 3 3 34 Start the operation rotate motor by pressing the below key Europe North America specifications OK ENTER If the cover is opened the Figure 3 3 35 will be displayed Figure 3 3 35 If the cassette is installed the Figure 3 3 36 will be displayed Figure 3 3 36 In the state of the Figure 3 3 35 and Figure 3 3 36 return to the Figure 3 3 34 by pressing...

Page 82: ...III 62 If all checks are OK the Figure 3 3 37 will be displayed If there is NG the Figure 3 3 38 will be displayed Figure 3 3 37 Figure 3 3 38 ENCORDER OK NG F 1 2 3 4 O X X X X ...

Page 83: ...ype is the extrusion system and the available characters are A to Z and 0 to 9 Enter 9 digits of the machine serial number attached on the bottom of the machine Write the USB ID in the FROM by pressing the below key After writing return to the Figure 3 2 1 Europe North America specifications OK ENTER If press the below key before writing the new USB ID in the FROM delete the entered contents and r...

Page 84: ...III 64 3 4 Troubleshooting for the Test Mode 1 LCD Indication Check mode ...

Page 85: ...III 65 2 Cassette Sensor Switch Check mode ...

Page 86: ...III 66 ...

Page 87: ...III 67 3 Key Check mode ...

Page 88: ...III 68 4 Print Check mode 5 Cut Check mode ...

Page 89: ...III 69 ...

Page 90: ...III 70 6 Encode Reading Check mode ...

Page 91: ...III 71 7 DC Motor Rotation Adjustment mode 8 Head Rank Set mode HEAD X Replace the main PCB Did you set the head rank Set the head rank in the inspection mode ...

Page 92: ...s from either a set of dry cells or the optional AC adapter make sure that its output voltage level is 8 to 13V under no load 3 When supplying power from a stabilized power unit use the power unit with approx 3A capacity and choose the output level of 8 to 13V When connecting it to this machine be careful with the polarity 4 When using a circuit tester for testing the conductivity remove all of th...

Page 93: ...IV 2 4 3 Troubleshooting Flows 1 Tape feeding failure ...

Page 94: ...IV 3 ...

Page 95: ...IV 4 2 Printing failure ...

Page 96: ...IV 5 ...

Page 97: ...IV 6 3 Powering failure Nothing appears on the LCD and the backlight does not light ...

Page 98: ...IV 7 ...

Page 99: ...IV 8 4 No key entry possible 5 Tape cutting failure ...

Page 100: ...IV 9 6 Interface port failure 7 LCD indication error or backlight error ...

Page 101: ...IV 10 8 Tape cassette type not identified ...

Page 102: ...A 1 APPENDIX 1 CIRCUIT DIAGRAMS Main PCB circuit diagram 1 2 ...

Page 103: ...A 2 Main PCB circuit diagram 2 2 ...

Page 104: ...A 3 Key PCB circuit diagram ...

Page 105: ...Sep 2010 SM PT037 ...

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Brother P-Touch PT-2730, Service Manual

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