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Brother QL-1050, Service Manual

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Brother QL-1050 Service Manual Download Page 89

  3

(3) 

Enter the last nine digits of the serial number into the “Serial No.” field, which is found 
on the nameplate attached on the under cover. 

Example: Enter the last nine digits ‘D5G111111’ if the serial number on the   

nameplate is printed as ‘U61346-D5G111111.’ 

(4) 

Then, open the “General Settings” window to set the general settings.    Click the 
“General setting…” button. 

 

Fig. 3 

Summary of Contents for QL-1050

Page 1: ...P touch SERVICE MANUAL MODEL QL 1050 ...

Page 2: ...ys 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 AND REASSEMBLY CHAPTER IV TROUBLESHOOTING AND ERROR MESSAGE APPENDIX 1 MAINTENANCE SOFTWARE OPERATION Copyright Brother 2006 All rights reserved No part of ...

Page 3: ...I 1 2 1 OUTLINE OF MECHANISMS II 1 2 1 1 Print Mechanism II 1 2 1 2 Press Contact and Release Mechanism of Thermal Head II 2 2 1 3 Tape Feed Mechanism II 3 2 1 4 Automatic Tape Full Cutter Mechanism II 4 2 1 5 Cover Open Cover Lock Sensor II 5 2 2 OUTLINE OF CONTROL ELECTRONICS II 6 2 2 1 Main PCB II 6 2 2 2 Media Position Detect Sensor PCB Tape Sensor II 6 2 2 3 Key LED PCB SB PCB II 7 2 2 4 Cutt...

Page 4: ...Circuit II 17 2 3 10 RS232C Interface Circuit II 17 CHAPTER III DISASSEMBLY AND REASSEMBLY III 1 3 1 SAFETY PRECAUTIONS III 1 3 2 TIGHTNING TORQUE LISTS III 2 3 3 LUBRICATION POINTS LIST III 3 3 4 DISASSEMBLY PROCEDURE III 5 1 Removing the Top Cover ASSY and Thermal Tape III 5 2 Disassembling the Top Cover ASSY III 7 3 Removing the Upper Cover ASSY III 9 4 Removing the Power Supply PCB and Main PC...

Page 5: ...ROUBLESHOOTING FLOWS IV 3 1 Printing is performed with specific dots omitted IV 3 2 The tape is not detected correctly IV 4 3 LED does not turn on IV 5 4 No printing is performed IV 6 5 The USB interface malfunction IV 7 6 The RS232C interface malfunction IV 8 7 The tape is not cut IV 9 8 The tape is not fed correctly IV 10 9 The tape is fed but the error message appears shortly IV 11 APPENDIX 1 M...

Page 6: ...ox 1 7kg Machine proper only 147 5mm 170mm 222mm Fig 1 1 1 External Appearance 1 1 2 Keyboard 1 Number of function keys 3 2 Key arrangement See Fig 1 1 2 Fig 1 1 2 Key Arrangement 1 1 3 Display 1 Display type LED 1 ON OFF Green On Off Error Red blinking Cover open Yellow On Off Cooling Yellow blinking CUT button FEED button POWER button LED lamp ...

Page 7: ...00 dpi 1 1 5 Thermal Tape 1 Tape Roll type Die cut and free length 2 Type and size of die cut tape Type of tape Label size W X H Roll overall width P29 x 90BW 29mm x 90mm 32 0mm P38 x 90BW 38mm x 90mm 42 0mm P62 x 29BW 62mm x 29mm 66 0mm P62 x 100BW 62mm x 100mm 66 0mm P17 x 54BW 17mm x 54mm 19 0mm P17 x 87BW 17mm x 87mm 19 0mm M58DBW 66 0mm P23 x 23BW 23mm x 23mm 32 0mm P12DBW 19 0mm P24DBW 32 0m...

Page 8: ... 2 0 Full speed 12Mbps 2 Supported OS Microsoft Windows 98 SE Microsoft Windows ME Microsoft Windows 2000 Professional Microsoft Windows XP Professional Microsoft Windows XP Home Edition 1 2 ELECTORONICS SPECIFICATIONS 1 2 1 Power Supply Integral switching power supply U S A Canada 120V AC 60Hz Europe 220V 240V AC 50 60Hz Japan 100V AC 50 60Hz ...

Page 9: ...ing process by the force comes from a nip between the cylindrical rubber platen and the thermal head At this timing voltage is applied selectively to 1296 pieces of heating elements arrayed on the thermal head By this voltage application the heating elements generate heat and the thermal tape develops dots by itself at heat sensing points After application of voltage the thermal tape is fed to the...

Page 10: ... pulled upwards they are unlocked so that the platen and top cover are released The tape can be loaded into the machine in this status If the head ASSY is pressed against the platen close the top cover Fig 2 1 2 Press Contact and Release Mechanism of Thermal Head Release lever L R Head spring Platen Sub plate Head ASSY Top cover ASSY Release lever R Release lever L Platen ...

Page 11: ...n the platen and the thermal head Here the tape feed motor step motor rotates of which drive power is transmitted via the gear train to the platen gear and the platen and consequently the platen can feed the tape Fig 2 1 3 Tape Feed Mechanism Double gear B Platen Thermal tape Feed motor ASSY Double gear A Double gear C ...

Page 12: ...ays again at the position where the cutter home position sensor is ON This mechanism provides the mechanism to reverse the driving system which is used in case that the tape or the like is jammed between the blades For the details refer to CHAPTER IV TROUBLESHOOTING ERROR MESSEAGE When the driving system is reversed the cutter motor stops and stays again at the position where the cutter home posit...

Page 13: ... the cover open cover lock sensors R and L push switch and the signal of top cover ASSY close status is output Fig 2 1 5 Cover Open Cover Lock Sensor Top cover ASSY Cover sensor arm L Top cover ASSY Cover open cover lock Sensor R push switch Cover sensor arm R SB PCB ASSY Rib Cover sensor arm R Rib Cover open sensor L Cover sensor arm L Rib Top cover ASSY Rib Cover open cover lock sensor L push sw...

Page 14: ...on detect sensor Cover open sensor Thermal head Power supply PCB DC8V Power PCB ASSY PC USB Key LED PCB SB PCB Fig 2 2 1 Block Diagram of the Control Electronics 2 2 1 Main PCB This manages all the components This PCB consists of CPU EEPROM USB chip and motor drivers etc 2 2 2 Media Position Detect Sensor PCB Tape Sensor This sensor PCB detects the printing start position for the die cut label and...

Page 15: ...a Feed Motor Tape Feed Motor The media feed motor supplies the drive power to feed media This motor is step motor of which drive voltage is VH 25V 2 2 6 Full Cutter Motor The cutter motor supplied the drive power to cut media This motor is a DC motor of which drive voltage is VH 25V 2 2 7 Thermal Head Thermal head is thick film and drive built in type thermal head which consists of1296 dots by one...

Page 16: ...l cut For tape feed driving EEPROM 4Kbit FROM 32Mbit Max 56Mbit SDRAM 64Mbit Max 128Mbit USB IC D12 RS 232C IC RS 232C IF Step motor Bipolar constant current drive circuit 100 120V 220 230 240V INT NEC 25V output USB IF Cutter home position sensor Media type sensor circuit 6 selector switches Cover open sensor Power supply ON OFF button Cover left sensor Fan motor unit AC power supply Switching po...

Page 17: ...d when the program is executed and when the received data is stored temporarily 4 EEPROM One 4Kbit EEPROM U2 is used This memory is used for write and storage of baud rate information Vendor ID code Product ID code and mechanical information If the main PCB is replaced it is needed to write the serial number printed on the EEPROM mounted on the main PCB and the mechanical configuration date For th...

Page 18: ...ce from PC Pressing this button in the condition that the status of power supply in ON and the status of ready for date acceptance from PC LED ON the CPU starts power OFF process turns the LED OFF and changes the status into power supply OFF LED OFF Pressing this button in the condition that the status of power supply is ON and now going on printing the CPU stops printing starts power OFF process ...

Page 19: ... High Q3 turns on VH 25V power supply turns on and consequently the head and motor is energized Turning the CPU status of 91pin VHON to Low Q3 turns off VH 25V power supply turns off and consequently the head and motor power supply is cut off Fig 2 3 3 Head and Motor Power Supply ON OFF Circuit ...

Page 20: ...or software it confirms that the top cover ASSY is closed and turns VHON 91 pin high Then the CPU controls C_DCF 114 pin and C_DCR 115 pin to drive the cutter motor 2 Media feed motor driver circuit When the CPU receives feed request from the key it confirms that the top cover ASSY is closed and turns VHON 91 pin high Then the CPU controls SIN1 27 pin through SIN6 20 pin to drive the media feed mo...

Page 21: ...tems CAS1 through CAS6 Loading a tape cassette some of six switches turn on and the others retain off according to the configuration of its ID code apertures Clogged ID apertures turn on the corresponding sensor switches As shown next page the CPU identifies media type and size from the status of each sensor switch Fig 2 3 5 shows the media type sensor circuit Fig 2 3 5 Media Type Sensor Circuit ...

Page 22: ...inuous Length Paper 102 1 0 0 1 1 1 20 Continuous Length Paper 29 0 0 1 0 1 0 21 Continuous Length Paper 62 1 0 1 0 1 0 22 Continuous Length Film White 29 0 1 1 0 1 0 23 Continuous Length Film White 62 1 1 1 0 1 0 24 Continuous Length Film Yellow 62 0 0 0 1 1 0 25 Continuous Length Film Clear 62 1 0 0 1 1 0 26 Continuous Length Paper 12 0 1 0 1 1 0 27 Not to be used 1 1 0 1 1 0 28 Not to be used 0...

Page 23: ...nd inspects the print mark on the back face of media that stays on the sensor position Fig 2 3 6 Media Position Detect Sensor Circuit 3 Cover open sensor circuit QL 1050 has the cover open sensor It identifies open close of the top cover ASSY from the status of mechanical switch Opening the top cover ASSY the contact of cover open sensor on SB PCB opens The change of status is sent as the signal t...

Page 24: ...onfirms that the cutter stays on its home position prior to printing When the cutter returns to the home position the cutter home position sensor circuit recognizes it and stops the DC motor rotation Fig 2 3 9 Cutter Home Position Sensor Circuit 2 3 8 Reset Circuit QL 1050 receives the electric power from the power supply PCB and output 5V and 3v to the CPU When the power is supplied the reset cir...

Page 25: ...CPU U9 establishes bus connection with 8 bits to send and receive the data Fig 2 3 11 USB Interface Circuit 2 3 10 RS232C Interface Circuit The CPU of QL 1050 is connected with a PC using the RS232C cable via U6 and CN1 U6 and CPU U9 send and receive the data through the serial port Fig 2 3 12 RS232C Interface Circuit ...

Page 26: ...n your body 2 When transporting PCBs be sure to wrap them in conductive sheets such as aluminum foil 3 When using soldering irons and other heat generating tools take care not to damage the resin parts such as wires PCBs and covers 4 Be careful not to lose small parts such as screws washers or other parts removed for parts replacement 5 Tighten screws according to the torque listed below 6 Lubrica...

Page 27: ... 0 049 Insert guide Taptite bind B 2 6 x 8 1 0 343 0 049 Upper cover ASSY Taptite bind B 2 6 x 8 3 0 343 0 049 Mecha ASSY Taptite bind B 2 6 x 8 2 0 343 0 049 LED guide Taptite bind B 2 6 x 8 1 0 343 0 049 SB PCB ASSY Taptite bind B 2 6 x 8 2 0 343 0 049 Main PCB ASSY Taptite bind B 2 6 x 8 1 0 343 0 049 Ground spring plate Taptite bind B 2 6 x 8 1 0 343 0 049 Main PCB ASSY FG harness ASSY Taptite...

Page 28: ...ed FLOIL BG 1507 one rice grain size Cut press spring Moving cutter blade Grease to be used Grease B quarter of a rice grain size Grease to be used Grease B one rice grain size Grease to be used Grease B one rice grain size Grease to be used FLOIL BG 1507 one rice grain size Grease to be used FLOIL BG 1507 one rice grain size ...

Page 29: ...III 4 Mecha ASSY Grease to be used Silicon grease G501 one rice grain size Double gear B Double gear A Double gear C ...

Page 30: ...he power supply and remove the AC cord Note Disconnect the AC cord from the outlet Fig 3 1 1 Removing the Top Cover ASSY and Thermal Tape 1 2 Pull the release levers L and R upwards and open the top cover ASSY 3 Remove the thermal tape from the machine Fig 3 1 2 Removing the Top Cover ASSY and Thermal Tape 2 Thermal tape Release lever R Top cover ASSY Power button AC cord Release lever L ...

Page 31: ...er from the machine Fig 3 1 3 Removing the Top Cover ASSY and Thermal Tape 3 5 Slide the two top cover shafts inwards to remove them and remove the top cover ASSY Fig 3 1 4 Removing the Top Cover ASSY and Thermal Tape 4 Top cover ASSY Top cover shaft Hook Back cover Hook ...

Page 32: ...I 7 2 Disassembling the Top Cover ASSY 1 Remove the four screws and remove the side panel L and side panel R Fig 3 1 5 Disassembling the Top Cover ASSY 1 Top cover Side panel R Screws Side panel L Screws ...

Page 33: ...ASSY 2 Top cover Platen shaft bearing Retaining ring Platen ASSY Platen shaft bearing Platen gear Retaining ring Platen ASSY Top cover Retaining ring Platen shaft bearing Platen gear Platen ASSY Remove the platen shaft bearing on the left and right sides Platen shaft bearing Retaining ring Remove the left end of the platen ASSY from the top cover ...

Page 34: ...g 3 1 7 Removing the Upper Cover ASSY 1 3 Disconnect all connectors from the main PCB Fig 3 1 8 Removing the Upper Cover ASSY 2 Screws Lower plate Screw Main PCB Fan motor Cutter motor ASSY Cover open sensor Head ASSY Tape sensor PCB ASSY SB PCB ASSY Cutter home position sensor DC8V power PCB ASSY Tape feed motor ASSY Screw ...

Page 35: ...crews and two screws from the upper cover ASSY 6 Remove the upper cover ASSY from the under cover Note The screws A are screw bind B M2 6x4 Other screws are taptite bind B M2 6x6 Fig 3 1 9 Removing the Upper Cover ASSY 3 Screws Screws A Upper cover ASSY Under cover ...

Page 36: ... one screw and remove the insert guide from the upper cover ASSY 8 Remove the tape sensor PCB ASSY from the insert guide Fig 3 1 10 Removing the Upper Cover ASSY 4 Tape sensor PCB ASSY Upper Cover ASSY Insert guide Screw ...

Page 37: ...the power supply PCB is still assembled onto the under cover Fig 3 1 11 Removing the Power Supply PCB and Main PCB 1 3 Remove the DC8V power PCB ASSY from the power supply PCB Note The power supply PCB and DC8V power PCB are connected each other with the pin When disassembling the DC8V power PCB be careful not to bend the pin Fig 3 1 12 Removing the Power Supply PCB and Main PCB 2 Power supply PCB...

Page 38: ... the Power Supply PCB and Main PCB 3 5 Remove the three screws and remove the ground spring plate and FG harness ASSY from the main PCB Fig 3 1 14 Removing the Power Supply PCB and Main PCB 4 Ground spring plate Screw Screw Screw Main PCB Power supply PCB Power supply harness FG harness ASSY ...

Page 39: ...al connector when removing the main PCB Fig 3 1 15 Removing the Power Supply PCB and Main PCB 5 6 Remove the fan from the under cover Fig 3 1 16 Removing the Power Supply PCB and Main PCB 6 Fan Main PCB USB connector Serial connector Under cover Under cover ...

Page 40: ...the inlet turn the under cover upside down and press the hook from the hole on the under cover Fig 3 1 17 Removing the Power Supply PCB and Main PCB 7 8 Pull the inlet out of the hole of the fan to remove it and remove the power supply PCB from the machine Fig 3 1 18 Removing the Power Supply PCB and Main PCB 8 Under cover Hook Inlet Hole Hook Inlet Under cover Power Supply PCB ...

Page 41: ...ront cover from the holes on the cutter unit ASSY and remove the front cover Fig 3 1 19 Removing the Front Cover Panel Cover and Front Side Cover 1 3 Remove the cover sensor arm L from the front cover Fig 3 1 20 Removing the Front Cover Panel Cover and Front Side Cover 2 Front cover Under cover Cover sensor arm L Front cover Screw Hooks Front cover Cutter unit ASSY Screw ...

Page 42: ...er Panel Cover and Front Side Cover 3 5 Remove the one screw and release the hook to remove the front side cover Fig 3 1 22 Removing the Front Cover Panel Cover and Front Side Cover 4 Cutter unit ASSY Panel cover Screw Front side cover Screw Under cover Under cover Hole Hook Hook Panel cover Front side cover Cutter unit ASSY Hook Hook Harness ...

Page 43: ...SSY Fig 3 1 23 Removing the Cutter Unit ASSY and Mecha ASSY 1 3 Pull the harnesses out of the under cover Remove the two screws and remove the mecha ASSY from the under cover while pulling both sides of the under cover outwards Fig 3 1 24 Removing the Cutter Unit ASSY and Mecha ASSY 2 Cutter unit ASSY Screws Screws Under cover Under cover Mecha ASSY Mecha ASSY Harness Hole Harness ...

Page 44: ...arm R from the panel cover Fig 3 1 25 Disassembling the Panel Cover 1 2 Remove the one screw and remove the LED guide Remove the power button and feed button Fig 3 1 26 Disassembling the Panel Cover 2 Panel cover Power button Cover sensor arm R LED guide Feed button Screw SB PCB ASSY Screw Panel cover Screw ...

Page 45: ...e hook and remove the double gear C from the mecha ASSY 3 Remove the retaining ring E4 double gear B retaining ring E2 5 and double gear A in the sequence from the mecha ASSY Fig 3 1 28 Disassembling the Mecha ASSY 2 Double gear B Retaining ring E4 Double gear A Double gear C Retaining ring E2 5 Mecha ASSY Retaining ring Release spring Release lever R Mecha ASSY Release spring Release lever L Reta...

Page 46: ...III 21 4 Remove the four screws and remove the chassis L sub ASSY and chassis R sub ASSY Fig 3 1 29 Disassembling the Mecha ASSY 3 Screws Chassis R sub ASSY Sub plate Chassis L sub ASSY Screws ...

Page 47: ...I 22 5 Remove the head ASSY Note Be careful not to give impact on the heating element of the thermal head Fig 3 1 30 Disassembling the Mecha ASSY 4 Head ASSY Head plate Head ASSY Heating element Sub plate ...

Page 48: ...bling the Mecha ASSY 5 7 Remove the head cable black and head cable white from the head ASSY 8 Remove the ferrite core from the head cable black and head cable white Fig 3 1 32 Disassembling the Mecha ASSY 6 Head ASSY Head plate Screw Screw Head ASSY Head cable white Ferrite core Head cable black ...

Page 49: ...rom the sub plate Fig 3 1 33 Disassembling the Mecha ASSY 7 10 Remove the platen support from each of the chassis sub ASSYs Fig 3 1 34 Disassembling the Mecha ASSY 8 Platen support Chassis R sub ASSY Chassis L sub ASSY Head spring Sub plate ...

Page 50: ...move the two screws and remove the tape feed motor ASSY and FG harness ASSY from the chassis R sub ASSY Fig 3 1 35 Disassembling the Mecha ASSY 9 Tape feed motor ASSY Screw FG harness ASSY Chassis R sub ASSY Screw ...

Page 51: ...ness ASSY onto the chassis R sub ASSY with the two screws Note Pay attention to the direction of the tape feed motor ASSY Fig 3 2 1 Reassembling the Mecha ASSY 1 2 Assemble the chassis R sub ASSY onto the sub plate with the two screws Fig 3 2 2 Reassembling the Mecha ASSY 2 Tape feed motor ASSY Chassis R sub ASSY Screw FG harness ASSY Screw Screws Chassis R sub ASSY Sub plate ...

Page 52: ...III 27 3 Push the two head springs into the sub plate Fig 3 2 3 Reassembling the Mecha ASSY 3 Head spring Sub plate ...

Page 53: ...t to give strong impact on the heating element of a head ASSY when mounting the head ASSY Note 2 Connect each head cable with the connector of the correct color Fig 3 2 4 Reassembling the Mecha ASSY 4 Head ASSY Heating element Head ASSY Head cable black Head cable white Ferrite core Head cable black Head cable white Connect both connectors so that the one inside wire of each harness is red ...

Page 54: ...two screws Fig 3 2 5 Reassembling the Mecha ASSY 5 7 Align the head ASSY with the head springs and assemble the head ASSY Note Confirm that the head ASSY moves smoothly Fig 3 2 6 Reassembling the Mecha ASSY 6 Head ASSY Head plate Screw Screw Head ASSY Head spring ...

Page 55: ...d assemble the chassis L sub ASSY onto the sub plate with the two screws Note When assembling the chassis L sub ASSY make sure that there is no gap on the bottom of each chassis sub ASSY Fig 3 2 7 Reassembling the Mecha ASSY 7 Hole A Head ASSY Screws Gap Gap B Chassis L sub ASSY Sub plate ...

Page 56: ... of the double gear C is securely hooked on Fig 3 2 8 Reassembling the Mecha ASSY 8 10 Assemble the two platen supports Fig 3 2 9 Reassembling the Mecha ASSY 9 Double gear C Retaining ring E4 Double gear B Chassis R sub ASSY Retaining ring E2 5 Double gear A Platen support Platen support Chassis L sub ASSY Chassis R sub ASSY ...

Page 57: ...ease springs on both sides Note When assembling the release spring pay attention to its direction Fig 3 2 10 Reassembling the Mecha ASSY 10 Mecha ASSY Release spring Release spring Retaining ring E2 5 Release lever L Release lever R Retaining ring E2 5 Release lever Mecha ASSY Release spring Hook Hook Hook ...

Page 58: ...1 3 Assemble the SB PCB ASSY and cover sensor arm R onto the panel cover and secure the SB PCB ASSY onto the panel cover with the two screws Note Make sure to put the harness of the SB PCB ASSY through the hook of the panel cover Fig 3 2 12 Installing the Panel Cover 2 Power button Screw LED guide Feed button Panel cover Screw Panel cover Cover sensor arm R SB PCB ASSY Screw SB PCB ASSY Panel cove...

Page 59: ...ooks on the under cover then assemble the mecha ASSY with the two screws while pulling both sides of the under cover outwards evenly Fig 3 2 14 Installing the Mecha ASSY and Cutter unit ASSY 2 Screws Mecha ASSY Pins A Under cover A A Hook Hook Hook Tape feed motor harness FG harness ASSY Hole Hole Under cover Head cable Mecha ASSY Be sure that the head cables are not attached onto the hatched port...

Page 60: ...Bind the harnesses of the cutter unit ASSY with the fastening band Note Be sure to bind the harnesses securely so that there is no looseness Fig 3 2 16 Installing the Mecha ASSY and Cutter unit ASSY 4 Cutter unit ASSY Fastening band Cover left sensor ASSY Cutter motor ASSY Mecha ASSY Under cover Tape feed motor harness Head cable Ferrite core Ferrite core Fastening band Cover left sensor ASSY Cutt...

Page 61: ... of the harnesses of the cutter unit ASSY through the holes on the under cover Fig 3 2 18 Installing the Mecha ASSY and Cutter unit ASSY 6 Mecha ASSY Cutter unit ASSY Screws Under cover Rib Hook Hole Cutter unit harness Pass the harness under the release lever L Under cover Cutter unit ASSY Rib Pass the harness under the release lever R Cutter home position sensor harness Rib ...

Page 62: ...one screw Fig 3 2 19 Installing the Front Side Cover Panel Cover and Front Cover 1 2 Put the harness through the hole of the under cover Fig 3 2 20 Installing the Front Side Cover Panel Cover and Front Cover 2 Cutter unit ASSY Front side cover Screw Screw Panel cover Under cover SB PCB harness Rib Pass the harness under the release lever R SB PCB Under cover Mecha ASSY Panel cover Pins Hole Hook H...

Page 63: ...III 38 3 Assemble the cover sensor arm L into the front cover Fig 3 2 21 Installing the Front Side Cover Panel Cover and Front Cover 3 Cover sensor arm L Front cover ...

Page 64: ...tite bind B M3x8 from the bottom of the machine Note Put the cover sensor arm L into the gap between the cutter unit ASSY and front side cover before assembling the front cover Fig 3 2 22 Installing the Front Side Cover Panel Cover and Front Cover 4 Screw Screw Under cover Front cover Hook Cutter unit ASSY Front cover Cover sensor arm L Cutter unit ASSY Front side cover ...

Page 65: ...ng the tape sensor PCB ASSY Important When replacing the tape sensor PCB ASSY or insert guide implement each operation described in APPENDIX 1 MAINTENANCE SOFTWARE OPERATION Fig 3 2 23 Installing the Upper Cover ASSY 1 2 Assemble the insert guide onto the upper cover ASSY with the one screw Fig 3 2 24 Installing the Upper Cover ASSY 2 Tape sensor PCB ASSY Insert guide Flat cable Insert guide Upper...

Page 66: ...1 The screws A are screw bind B M2 6x4 Other screws are taptite bind B M2 6x8 Note 2 When assembling the upper cover ASSY be sure not to catch the head cable and flat cable Fig 3 2 25 Installing the Upper Cover ASSY 3 Under cover Screws A Screws Upper cover ASSY Tape sensor flat cable ...

Page 67: ...ply PCB and DC8V power PCB Fig 3 2 26 Installing the Power Supply and Main PCB 1 3 Put the inlet into the under cover Note 1 Make sure that the hooks of the inlet are locked securely Note 2 Assemble the inlet while paying attention to the direction of the ribs of the inlet 4 Place the power supply cord in the right position Fig 3 2 27 Installing the Power Supply and Main PCB 2 Power supply Power s...

Page 68: ...to the under cover with the three screws Fig 3 2 28 Installing the Power Supply and Main PCB 3 6 Assemble the fan into the under cover Fig 3 2 29 Installing the Power Supply and Main PCB 4 Fan Under cover Screw Screws Power supply PCB DC8V power supply PCB ASSY Inlet ...

Page 69: ...ower Supply and Main PCB 5 Screw Main PCB Screw Screw Ground spring plate Fan motor Cutter motor ASSY Cover open sensor Tape sensor PCB ASSY SB PCB ASSY Cutter home position sensor DC8V power PCB ASSY Tape feed motor ASSY FG harness ASSY Put the harness into the hook Put the harness into the hook Head ASSY Put the harness into the hook Put the harness into the hook Put the harness into the hook Pu...

Page 70: ...III 45 9 Assemble the lower plate onto the machine with the four screws Fig 3 2 31 Installing the Power Supply and Main PCB 6 Screws Screw Lower plate Screw ...

Page 71: ... into the hole on the right hand side of the top cover Fig 3 2 32 Reassembling the Top Cover ASSY 1 2 Put the other end of the platen into the hole on the left hand side Fig 3 2 33 Reassembling the Top Cover ASSY 2 Top cover Platen ASSY Top cover Platen ASSY Platen ASSY ...

Page 72: ...g into the shaft on the left hand side and secure it with the retaining ring Fig 3 2 34 Reassembling the Top Cover ASSY 3 5 Secure the side panels L and R onto the top cover with the four screws Fig 3 2 35 Reassembling the Top Cover ASSY 4 Screws Screws Top cover Side panel L Side panel R Platen ASSY Top Cover Retaining ring Retaining ring Platen shaft bearing Platen shaft bearing Platen gear ...

Page 73: ...ASSY is opened and closed smoothly 2 Insert the two top cover shafts from the inside of the hooks on the top cover until they hit the end of the hooks Fig 3 2 36 Installing the Top Cover ASSY and Thermal Tape 1 3 Assemble the back cover Fig 3 2 37 Installing the Top Cover ASSY and Thermal Tape 2 Hook Hook Back cover Top cover shaft Top cover ASSY ...

Page 74: ...III 49 4 Assemble the thermal tape onto the machine 5 Close the top cover ASSY Fig 3 2 38 Installing the Top Cover ASSY and Thermal Tape 3 Thermal tape Top cover ASSY ...

Page 75: ...to 100mm length and repeat printing When turning the power supply button off printing stops Print sample 3 Confirm that the tape is fed properly printing is correct and the tape is cut accurately If any fault is found execute the troubleshooting referring to CHAPTER IV TROUBLESHOOTING AND ERROR MESSAGE 4 Pull the release levers upwards and confirm that the top cover is opened and closed properly 5...

Page 76: ...and examines them well 4 1 PRECAUTIONS Be sure to observe the following precautions to prevent the secondary problems from happening during troubleshooting 1 Make sure to unplug an AC cord to ensure no power supply when doing conductivity test with a tester 2 When printing error occurs pull out the thermal head cable from the connecter until the peripheral circuit related to the thermal head works...

Page 77: ...mit Check the power supply and the USB connector 3 Cut test Check failure The Cut test failed Check if any obstacle is placed around the cutter and the delivery opening Communication error Cannot transmit Check the power supply and the USB connector 6 Print test Die Cut Print file not detected Don t find print file Check if the correct print file is set in the General Settings dialog box Communica...

Page 78: ...d and the platen dirty The thermal head and the platen are dirty Clean the thermal head and the platen Is the platen rubber deformed Is the head pressure 3 0kg 10 at the roller center The thermal head is defective Replace the thermal head ASSY Replace the platen ASSY Is the head spring attached correctly Attach the head spring in correct way Replace the head spring ...

Page 79: ...tape type correctly Is a tape loaded correctly Load a tape correctly Is the main PCB ASSY installed correctly Install the main PCB ASSY correctly Is input signal normal The main PCB ASSY is defective Replace the main PCB ASSY The sensor is defective Replace the main PCB ASSY ...

Page 80: ... of the power supply PCB 24 to 26V Is the output of the pin No 1 on the power supply PCB 7 to 10V Is the connector output of the DC8V power PCB 7 to 10V Are the key and LED signals of CN15 normal Is the cable of SB PCB connected correctly Correct the connection Re assemble the cover correctly Correct the connection Correct the connection Are any of the lines in the cable broken Replace the SB PCB ...

Page 81: ...correct color connected Is VH in the stand by status or printing 25V 1 5V Is the signal for thermal head normal The thermal head is defective Replace the thermal head ASSY Correct the connection Any devices on the main PCB are defective or soldering is defective Replace the main PCB ASSY The power supply PCB is defective Replace the power supply PCB ...

Page 82: ...e USB mode selected in printer property The interface malfunction Is the waveform of USB connector normal Is the USB cable connected correctly Correct the connection Re install the driver and editor correctly Set to the USB mode The USB driver or CPU is defective Replace the main PCB ASSY The USB cable is defective Replace the cable ...

Page 83: ... set correctly Y N Is the interlink cable cross used The interface malfunction Is the waveform of RS232C connector normal Is the RS232C cable connected correctly Correct the connection Use the interlink cable Re install the driver and editor correctly Set to the RS232C mode Set the baud rate correctly The RS232C driver or CPU is defective Replace the main PCB ASSY The RS232C cable is defective Rep...

Page 84: ... Press the Power Cut or Feed button to reverse the cutter Then remove the jammed tape Replace the gears The tape is not cut Does the cutter unit work normally Replace the cutter unit Replace the cutter unit Replace the cutter unit Does the DC motor rotate Is the DC motor connected Correct the connection Do the gears rotate Replace the cutter unit Is the cable damaged Are the output waveforms of Pi...

Page 85: ...d tape cassette is defective Clean the platen Is the head spring attached correctly Attach the head spring correctly Replace the head spring Does the motor rotate Is the motor connected correctly Correct the connection Replace the gears Do the gears rotate The platen is defective Replase the platen Is the motor harness damaged Are ON OFF activities of each pin of CN8 normal Replace the motor ASSY ...

Page 86: ...INTENANCE SOFTWARE OPERATION again Y N Y N The tape is fed but the error message appears shortly Is the VR adjustment performed correctly Refer to APPENDIX 1 MAINTENANCE SOFTWARE OPERATION Y N Is the flat cable of the tape sensor ASSY damaged Repalace the tape sensor PCB ASSY Repalace the tape sensor PCB ASSY Repalace the main PCB ASSY Is the tape sensor ASSY assembled onto the insert guide correc...

Page 87: ...ware includes three types of the software which is distinguished generally Reset software tool QL1050tstReset exe Maintenance software tool QL1050tstSE exe VR adjustment tool QL1050tstVRAdjust exe APPENDIX 1 1 Purpose and Use Procedure of the Reset Software Tool QL1050tstReset exe Note Be sure to reset the EEPROM before making an examination after repair work is done This tool serves to reset the ...

Page 88: ...of the Maintenance Software Tool QL1050tstSE exe Setting procedure of maintenance software 1 Connect the machine to your PC with the USB cable and turn the power supply button ON 2 Start the maintenance software File name QL1050tstSE exe Fig 2 ...

Page 89: ...hich is found on the nameplate attached on the under cover Example Enter the last nine digits D5G111111 if the serial number on the nameplate is printed as U61346 D5G111111 4 Then open the General Settings window to set the general settings Click the General setting button Fig 3 ...

Page 90: ...cify a file for each print pattern of the Print pattern section in the General settings window Items to be examined File name PRN file Adjustment print test continuous P102_ latest date prn Adjustment print test 62mm 2Labels P62100_Non_ latest date prn Adjustment print test 62mm 1Labels P62100_ latest date prn Note Since the values of other items than the above are fixed you cannot set them 5 3 Cl...

Page 91: ...nect the machine to your PC with the USB cable and turn the power supply button ON 3 Enter the serial number from the keyboard 4 Write default EEPROM data Reset the setting value of the EEPROM to the factory default value 1 Click the Write default EEPROM data button Fig 5 ...

Page 92: ...6 5 Tape sensor check Click the Tape sensor check button Fig 6 ...

Page 93: ...ay base 62mmx100mm 2 3 7 x4 202 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 Fig 7 2 Click the Sensor white level check button 3 If OK appears in the Adjusted value field click the OK button Important If NG appears in the Adjust value field implement the operation described in Appendix 1 3 VR Adjustment Tool Fig 8 Backing paper release paper Tape sensor PCB ASSY Tray bas...

Page 94: ...8 6 Switch sensor check Check that the cover open sensor and media sensor work correctly 1 Click the Media cover sensors check button Fig 9 ...

Page 95: ...is switched into on or off 4 Press the media sensor 5 Check that the last word of the message in the Results column is switched into on or off 6 Check all of other media sensors Fig 10 Cover sensor arm R Cover sensor 0 Cover sensor arm L Cover sensor 1 Media sensor ASSY Media sensor 0 5 Media sensor ASSY ...

Page 96: ...10 7 If the check result is OK click the Quit sensors check button If NG click the Sensors test NG button Fig 11 ...

Page 97: ...11 7 Fan check 1 Click the Fan check button Fig 12 ...

Page 98: ...ed around 4 Confirm the fan turning and click the Fan OFF button Then the fan is stopped Fig 13 5 If the fan is stopped normally OK appears in the central message column and the OK button is enabled If the fan does not work normally Fan Error appears in the message column 6 Click the OK button to close the window Fig 14 ...

Page 99: ...13 8 Cut test Check that the tape is fed and cut correctly 1 Set the free length roll into the machine 2 Click the Cut test button Fig 15 ...

Page 100: ...14 3 Press the Feed button on the machine If OK the feed test OK message appears in the Results column Fig 16 Feed button ...

Page 101: ...15 4 Press the Cut button on the machine If OK the feed and cut test OK message appears in the Results column Fig 17 Cut button ...

Page 102: ...16 5 Click the Quit cut test button to finish the cut test mode Fig 18 ...

Page 103: ...17 9 Temperature check Check that the head temperature sensor works properly 1 Click the Temperature check button Fig 19 ...

Page 104: ...18 10 Adjustment print test Implement the printing test to adjust the head rank and top and bottom margins 1 Click the Adjustment print test button Fig 20 ...

Page 105: ...click the Print test continuous A button 4 Measure the top margin of the print result Set the value in the Adjust value column so that the top margin is 3mm 0 25mm and click the Apply 0 button 5 Click the Print test continuous A button again and check the print result Fig 21 3mm 0 25mm Printing direction ...

Page 106: ...page blank 2nd page print pattern for inspection 7 Measure the top margin of the second page of the print result Set the value in the Adjust value column so that the top margin is 3mm 0 25mm and click the Apply 1 button 8 Click the Print test 62mm 2Labels B button again and check the print result Fig 22 3mm 0 25mm Printing direction ...

Page 107: ...top margin is 3mm 0 25mm and click the Apply 2 button 11 Click the Print test 62mm 1Label C button again and check the print result 12 Click the OK button to close the window Note 1 Always make sure to adjust these values following the steps above continuous 62mm 2Lables 62mm 1Label Note 2 The OK button is disabled before these three types of adjustment are completed Fig 23 3mm 0 25mm Printing dir...

Page 108: ...rial number Write the USB serial number into the EEPROM 1 Click the Write serial number button 2 When the message appears in the Results column click the Finish checking and exit button to finish the software Fig 24 ...

Page 109: ... or if the result of the tape sensor inspection in the maintenance software tool QL1050tstSE exe is NG 1 Connect the machine to your PC with the USB cable and turn the power supply button ON 2 Open the top cover ASSY 3 Start the VR adjustment tool File name QL1050tstVRAdjust exe Fig 25 4 Write down the indication in the Result column in the VR adjustment tool Fig 26 ...

Page 110: ... Insert the VR spacer until it hits the head ASSY slightly If inserting the spacer more the head ASSY may be damaged Fig 27 6 Check that the value which has been written down in Step 4 is not changed Note If the value is changed substantially the tape sensor PCB ASSY may be defect Fig 28 VR spacer Tape sensor PCB ASSY Wall of tape sensor PCB ASSY ...

Page 111: ...d with the tray base 62mmx100mm 2 3 7 x4 202 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 Fig 29 8 If the value indicated in the Results column of the VR adjustment tool is in the range of 218 to 222 the result is OK If it is out of the range and NG proceed to the next adjustment Fig 30 VR spacer Tape sensor PCB ASSY Tray base Align the side of the printed section black ...

Page 112: ...wdriver so that the value indicated in the Results column is in the range of 218 to 222 Make sure that a screwdriver is put into the slit on the volume and turn it slowly Do not turn the screwdriver forcibly since the angle that the screwdriver can be turned is limited Fig 31 Volume Screwdriver Upper cover ASSY Volume cover label Slit ...

Page 113: ... adjustment attach a brand new volume cover label onto the adjustment hole on the upper cover ASSY Fig 32 12 Click the Quit VR adjustment button Fig 33 Brand new volume cover label Upper cover ASSY Adjustment hole ...

Page 114: ...ftware 14 Turn off the power supply button of the machine This is the end of the adjustment Note Be sure not to activate the maintenance software and P Touch editor at the same time They do not work properly if they are activated at a time Fig 34 ...

Page 115: ...August 2006 8V7104BE0 Printed in Japan ...

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