Brother QL 570 - P-Touch B/W Direct Thermal Printer Service Manual Download

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[ 4 ]

Installing the Upper Cover

(1) Insert the tape sensor PCB ASSY into the insert guide.

Note1: Insert the tape sensor PCB ASSY until it hits the

groove of the insert guide.

Note2: Confirm that you can see the tape sensor PCB ASSY from the hold of the insert

guide.

Note3: Fold the flat cable after assembling the tape sensor PCB ASSY.

Important: When replacing the tape sensor PCB ASSY, and then check the items

using the “MAINTENANCE SOFTWARE OPERATION” in APPENDIX 1.

Fig.3.2-14 Installing the Upper Cover (1)

(2) Put the flat cable of tape sensor PCB ASSY into the hole on the upper cover.
(3) Assemble the insert guide onto the upper cover with the two screws.

Fig.3.2-15 Installing the Upper Cover (2)

Tape sensor PCB ASSY

Insert guide

Screw

Insert guide

Flat cable

Groove

Flat cable

Tape sensor PCB ASSY

Screw

Upper cover

Hole

Upper cover

Hole

Summary of Contents for QL 570 - P-Touch B/W Direct Thermal Printer

Page 1: ...P touch SERVICE MANUAL MODEL QL 570 ...

Page 2: ...s 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 2007 All rights reserved No part of t...

Page 3: ...nt 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 ASSY II 6 2 2 2 Media Type Detect Switch PCB Media PCB ASSY II 6 2 2 3 Media Position Detect Sensor PCB Tape Sensor PCB ASSY II 6 2 2 4 Key LED P...

Page 4: ...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 and Thermal Tape III 5 2 Removing the Front Cover and Tray S III 7 3 Removing the Power Supply ASSY and Main PCB ASSY III 8 4 Removing the Sub ASSY Inlet III 12 5 Removing the Media PCB ASSY III 13 6 Removing t...

Page 5: ...3 LED CONTROL IN DIFFERENT SITUATIONS AND MEASURE AGAINST ERRORS IV 2 4 4 ERROR MESSAGE IV 3 4 5 TROUBLESHOOTING FLOWS IV 6 1 Printing is performed with specific dots omitted IV 6 2 The tape is not detected correctly IV 7 3 LED does not turn on IV 8 4 No printing is performed IV 9 5 The interface malfunction IV 9 6 The tape is not cut IV 10 7 The tape is not fed correctly IV 11 APPENDIX 1 MAINTENA...

Page 6: ...mm Excluding the bottom legs 2 Weight Approx 1 12kg Machine proper only Approx 2 12kg In package Fig 1 1 1 External Appearance 1 1 2 Keyboard 1 Number of function keys 3 ON OFF button Feed button Cut button 2 Key arrangement See Fig 1 1 2 Fig 1 1 2 Key Arrangement Feed button Cut button LED lamp ON OFF button 141mm 134mm 208mm ...

Page 7: ... 1 1 4 Printing Mechanism 1 Print method Direct thermal printing with thermal head Printing on thermal paper tape and printing on thermal paper and thermal plastic tape with fixed head and tape feeding 2 Highest printing speed Max 68 labels min Standard address labels 3 Print head Type Thick film thermal head 720 dots by one row Resolution 300 dpi ...

Page 8: ...mm 32mm 1200 sheets roll Round Paper 24 OD φ24mm 32mm 1000 sheets roll Standard Address For supply with machine 29mm x 90mm 32mm 100 sheets roll 3 Type and size of free length tape Type of tape Roll width Roll overall width Effective length of roll Continuous Length Paper 12 12mm 32mm 30 48m Continuous Length Paper 29 29mm 32mm 30 48m Continuous Length Paper 62 62mm 66mm 30 48m Continuous Length P...

Page 9: ...cated editor is included USB IF cable Standard USB cable is included 1 2 ELECTRONICS SPECIFICATIONS 1 2 1 Character Generator Note Character generator feature is not provided for QL 570 1 Demonstration printing Press the Feed button once while pressing and holding the power supply key when power is off and then release the ON OFF button Demonstration printing will be started Fig 1 2 1 Demonstratio...

Page 10: ...by the force comes from a nip between the cylindrical rubber platen and the thermal head At this timing voltage is applied selectively to 720 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 next printin...

Page 11: ...ft presses down the head ASSY This movement releases the head ASSY from the platen ASSY Tape can be set under this condition To press the head ASSY firmly against the platen ASSY close the top cover This close motion can automatically press the head ASSY firmly against the platen ASSY Fig 2 1 2 Press Contact and Release Mechanism of Thermal Head Release gear Top cover Platen release lever Release ...

Page 12: ...the thermal head Here the tape feed motor ASSY 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 C Thermal head Platen Platen gear Thermal tape Tape feed motor ASSY Double gear B Double gear A ...

Page 13: ... stays again at the position where the cutter home position detect 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 ...

Page 14: ...over the cover sensor arm pushes the cover open cover lock sensor push switch and the signal of top cover close status is output Fig 2 1 5 Cover Open Cover Lock Sensor SB PCB ASSY Top cover Cover open cover lock sensor push switch D Cover sensor arm Top cover Cover open cover lock sensor push switch SB PCB ASSY Cover sensor arm Rib ...

Page 15: ...B chip and motor drivers etc 2 2 2 Media Type Detect Switch PCB Media PCB ASSY The sensor mechanical SW that detects media type and size is connected to main PCB ASSY A semi fixed resistance VR for adjustment of the media position detect sensor is mounted on it 2 2 3 Media Position Detect Sensor PCB Tape Sensor PCB ASSY This sensor detects the printing start position for the die cut label and chec...

Page 16: ... Media Feed Motor Tape Feed Motor ASSY The media feed motor supplies the drive power to feed media This motor is φ35 diameter of step motor of which drive voltage is VH 25V 2 2 7 Full Cutter Motor Cutter Motor ASSY 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 8 Thermal Head Thermal head is thick film and drive built in type th...

Page 17: ...rcuit Cut button ON OFF circuit LED ON OFF circuit 4 Head power supply ON OFF circuit 5 Full cutter motor driver circuit and Media feed motor driver circuit 6 Media type detect sensor circuit Media position detect sensor circuit and Cover open sensor circuit 7 Head temperature detect circuit 8 Cutter home position detect sensor circuit 9 Reset circuit 10 USB interface circuit Fig 2 3 1 Block Diagr...

Page 18: ...wer supply ON LED ON and ready for data acceptance from PC Pressing this button in the condition that the status of power supply is ON and the status of ready for data 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 ...

Page 19: ... motor is energized In addition turning on this circuit media position detect sensor circuit cutter home position detect circuit are energized Turning the CPU status of PDL10 VHON 81 pin to Low Q10 turns off or keeping the top cover open Q2 turns on then these condition make VH 25V power supply turns off and consequently the head and motor power supply is cut off VHON circuit Fig 2 3 3 Head and Mo...

Page 20: ...top cover ASSY is closed and turns VHON 81 pin high Then the CPU controls C_DCF 37 pin and C_DCR 38 pin to driver the cutter motor 2 Media feed motor driver circuit When the CPU receives feed request from the Feed button ON OFF circuit refer to 2 3 2 2 it confirms that the top cover ASSY is closed and turns VHON 81 pin high Then the CPU controls SIN 1 44 pin through SIN 6 49 pin to driver the medi...

Page 21: ... through CAS5 Loading a tape cassette some of five 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 Table 3 1 1 the CPU identifies media type and size from the status of each sensor switch Fig 2 3 5 shows the media type detect sensor circuit Cassette sensor Fig 2 3 5 Media Type...

Page 22: ...s Length Paper 12 0 1 0 1 1 Continuous Length Paper 29 0 0 1 0 1 Continuous Length Paper 62 Continuous Length Paper 62 White Removable Continuous Length Paper 62 Yellow Removable 1 0 1 0 1 Continuous Length Film White 29 0 1 1 0 1 Continuous Length Film White 62 1 1 1 0 1 Continuous Length Film Yellow 62 0 0 0 1 1 Continuous Length Film Clear 62 1 0 0 1 1 Not to be used 1 1 1 1 1 Layout of Sensors...

Page 23: ...e of medium that stays on the sensor position A semi fixed resistance VR for adjustment of the media position detect sensor is mounted on the media type detect switch PCB Fig 2 3 6 Media Position Detect Sensor Circuit 3 Cover open sensor circuit It identifies open close of the top cover from the status of mechanical switch Opening the top cover the contact of cover open sensor on SB PCB ASSY opens...

Page 24: ... Thermal head Fig 2 3 8 Head Temperature Detect Circuit 2 3 7 Cutter Home Position Detect Sensor Circuit Confirm that the cutter stays on its home position prior to printing When the cutter returns to the home position the cutter home position detect sensor circuit recognizes it and stops the DC motor driving The sensor uses a micro switch to detect the position of the cutter Cutter sensor Fig 2 3...

Page 25: ...s of the CPU clearing the RESET status of the CPU If the 3 3V voltage line drop to 2 8V or lower due to any reason during operation the reset circuits returns Low signal to the CPU and the CPU goes to the RESET status Fig 2 3 10 Reset Circuit 2 3 9 USB Interface Circuit The CPU of QL 570 is connected with a PC using the USB cable via U6 and CN12 U6 and CPU U7 establishes bus connection with 8 bits...

Page 26: ...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 tightning torque lists 6 Lubric...

Page 27: ... 6x6 1 0 343 0 049 Side cove L Taptite bind B M2 6x8 2 0 343 0 049 Side cove R Taptite bind B M2 6x8 2 0 343 0 049 Panel cover Taptite bind B M2 6x8 2 0 343 0 049 SB PCB ASSY Taptite bind B M2 6x6 3 0 343 0 049 Screw bind M2 6x4 2 0 392 0 098 Upper cover Taptite bind B M2 6x6 3 0 343 0 049 Insert guide Taptite bind B M2 6x8 2 0 245 0 049 Mecha ASSY Taptite bind B M2 6x6 2 0 343 0 049 Cutter unit A...

Page 28: ...III 3 3 3 LUBRICATION POINTS LIST Mecha ASSY Release shaft Grease to be used Grease B rice grain sized Grease to be used Grease B rice grain sized Grease to be used Grease B rice grain sized Head ASSY ...

Page 29: ...III 4 Grease to be used Silicon grease G501 rice grain sized Platen gear Double gear C ...

Page 30: ... closed initialize the machine before disassembly 1 Turn off the power supply and remove the AC cord Fig 3 1 1 Removing the Top Cover and Thermal Tape 1 2 Open the top cover 3 Remove the thermal tape from the machine Fig 3 1 2 Removing the Top Cover and Thermal Tape 2 Power button AC cord Thermal tape Top cover 1 2 2 1 ...

Page 31: ...1 3 Removing the Top Cover and Thermal Tape 3 5 Push the ribs of the upper cover inward and remove the top cover Fig 3 1 4 Removing the Top Cover and Thermal Tape 4 Top cover Ribs Upper cover Top cover 1 1 2 Link lever Top cover Upper cover 2 Bosses Rib Rib ...

Page 32: ...h the ribs of the front cover inward and remove it from the main body Fig 3 1 5 Removing the Front Cover and Tray S 1 3 Bend the tray S and remove it from the front cover Fig 3 1 6 Removing the Front Cover and Tray S 2 Main body Rib Front cover Tray S Front cover Rib 2 1 1 ...

Page 33: ...the Power Supply ASSY and Main PCB ASSY 1 3 Remove the two screws and then remove the power supply ASSY Note At this point the harness is still attached and therefore the power supply ASSY cannot be removed yet Fig 3 1 8 Removing the Power Supply ASSY and Main PCB ASSY 2 Main body Screws Lower plate ASSY Screws Power supply ASSY Under cover Screws Sub ASSY inlet harness ...

Page 34: ...e main PCB ASSY Fig 3 1 9 Removing the Power Supply ASSY and Main PCB ASSY 3 6 Remove the power8 harness ASSY from the power supply ASSY Fig 3 1 10 Removing the Power Supply ASSY and Main PCB ASSY 4 Power supply ASSY Power8 harness ASSY Power8 harness ASSY Power supply ASSY Main PCB harness Main PCB ASSY ...

Page 35: ...the Power Supply ASSY and Main PCB ASSY 5 8 Remove the five connectors CN5 CN7 CN8 CN10 CN11 and two flat cables CN3 CN4 from the main PCB ASSY CN1 CN2 CN3 CN4 CN7 CN5 CN8 CN10 CN11 Fig 3 1 12 Removing the Power Supply ASSY and Main PCB ASSY 6 Main PCB ASSY Main PCB ASSY CN11 Filament tape ...

Page 36: ... and main PCB ASSY Fig 3 1 13 Removing the Power Supply ASSY and Main PCB ASSY 7 10 Remove the insulating sheet S from the under cover Fig 3 1 14 Removing the Power Supply ASSY and Main PCB ASSY 8 Main PCB ASSY Under cover Screws Screw Ground spring plate FG harness ASSY Insulating sheet S ...

Page 37: ...he Sub ASSY Inlet 1 2 Release the hooks on both sides of the sub ASSY inlet and pull the inlet to the direction of the arrow as shown in the figure below to remove it Fig 3 1 16 Removing the Removing the Sub ASSY Inlet 2 Sub ASSY inlet harness Power supply ASSY Hooks Under cover Sub ASSY inlet 1 1 2 Sub ASSY inlet harness Power supply ASSY ...

Page 38: ...III 13 5 Removing the Media PCB ASSY 1 Remove the two screws and then remove the media PCB ASSY from the under cover Fig 3 1 17 Removing the Media PCB ASSY Under cover Screws Media PCB ASSY ...

Page 39: ...the under cover Fig 3 1 18 Removing the Side Cover L R 1 2 Detach the Portion A of the side cover L by hooking your nail on it and then slightly lift the rear side of the side cover L from the main body Fig 3 1 19 Removing the Side Cover L R 2 Screw Screw Under cover Bottom of main body Side cover L A ...

Page 40: ... cover L and then remove the side cover L in the arrow direction Fig 3 1 20 Removing the Side Cover L R 3 4 Remove the two screws from the under cover Fig 3 1 21 Removing the Side Cover L R 4 Under cover Screw Screw Bottom of main body Side cover L Hook 1 2 Hooks ...

Page 41: ...ft the rear side of the side cover R from the main body Fig 3 1 22 Removing the Side Cover L R 5 6 Remove the three hooks on the lower side of the side cover R and then remove the side cover R in the arrow direction Fig 3 1 23 Removing the Side Cover L R 6 Side cover R A Side cover R Hooks Hook 1 2 ...

Page 42: ...per cover Fig 3 1 24 Removing the Panel Cover 1 2 Turn the panel cover upside down 3 Remove the three screws and then remove the SB PCB ASSY from the panel cover Fig 3 1 25 Removing the Panel Cover 2 Panel cover Screws Panel cover Under cover Screws SB PCB ASSY Panel cover A view A view Upper cover 1 2 ...

Page 43: ...tton and LED guide from the panel cover Fig 3 1 26 Removing the Panel Cover 3 5 Remove the cover sensor arm from the panel cover Fig 3 1 27 Removing the Panel Cover 4 Power button Panel cover Feed button LED guide Panel cover Cover sensor arm ...

Page 44: ... The screws A are screw bind B M2 6x4 The screws B are taptite bind B M2 6x6 Fig 3 1 28 Removing the Upper Cover 1 3 Turn the upper cover upside down and remove the filament tape which secures the harness of the tape sensor PCB ASSY Fig 3 1 29 Removing the Upper Cover 2 Screws B Screws A Upper cover Under cover Hooks Hook Filament tape Upper cover Tape sensor PCB ASSY harness ...

Page 45: ...ove the insert guide from the upper cover Fig 3 1 30 Removing the Upper Cover 3 5 Remove the tape sensor PCB ASSY from the insert guide Fig 3 1 31 Removing the Upper Cover 4 Screw Insert guide Screw Insert guide Upper cover Tape sensor PCB ASSY ...

Page 46: ...III 21 9 Removing the Mecha ASSY 1 Remove the two screws and then remove the mecha ASSY from the under cover Fig 3 1 32 Removing the Mecha ASSY Mecha ASSY Hook Hook Screws Under cover Hook 1 2 ...

Page 47: ...hen remove the cutter unit ASSY from the mecha ASSY Fig 3 1 33 Removing the Cutter Unit ASSY 1 2 Remove the cutter caution label from the cutter unit ASSY Fig 3 1 34 Removing the Cutter Unit ASSY 2 Cutter unit ASSY Mecha ASSY Cutter unit ASSY Screws Cutter caution label ...

Page 48: ...ve the double gear C from the mecha ASSY Fig 3 1 35 Disassembly of the Mecha ASSY 1 2 Remove the double gear B and platen gear in the sequence from mecha ASSY Fig 3 1 36 Disassembly of the Mecha ASSY 2 Mecha ASSY Platen gear Double gear B Mecha ASSY Double gear C Hook ...

Page 49: ...haft bush right side Fig 3 1 37 Disassembly of the Mecha ASSY 3 4 Remove the platen shaft bush left side and platen ASSY from the mecha ASSY Fig 3 1 38 Disassembly of the Mecha ASSY 4 Platen ASSY Screw Platen shaft bush Right side Mecha ASSY Platen ASSY Platen shaft bush Left side Mecha ASSY ...

Page 50: ... 6 Remove the head ASSY from the mecha ASSY Caution Pay attention not to give strong impact on the heating element of a head ASSY when removing the head ASSY Fig 3 1 40 Disassembly of the Mecha ASSY 6 Head hold spring Head ASSY Mecha ASSY Mecha ASSY Head ASSY Heating element 1 2 3 1 Head ASSY 2 2 3 4 ...

Page 51: ...the bottom of the flat cable of the head ASSY Fig 3 1 41 Disassembly of the Mecha ASSY 7 8 Remove the two head springs L from the mecha ASSY Fig 3 1 42 Disassembly of the Mecha ASSY 8 Head springs L Mecha ASSY Lower foot Head ASSY Flat cable ...

Page 52: ...mecha ASSY Fig 3 1 43 Disassembly of the Mecha ASSY 9 10 Remove two screws and then remove the tape feed motor ASSY and FG harness ASSY Fig 3 1 44 Disassembly of the Mecha ASSY 10 Mecha ASSY Tape feed motor ASSY Mecha ASSY Screws Retaining ring E2 5 FG harness ASSY Double gear A ...

Page 53: ...pe feed motor ASSY Fig 3 2 1 Reassembling of the Mecha ASSY 1 2 Assemble the double gear A onto the shaft of the mecha ASSY with the one retaining ring E2 5 Note1 Confirm that the retaining ring E2 5 is firmly assembled Note2 Confirm that each gear moves smoothly Fig 3 2 2 Reassembling of the Mecha ASSY 2 Double gear A Retaining ring E2 5 Mecha ASSY Screws Mecha ASSY Tape feed motor ASSY FG harnes...

Page 54: ...d springs L onto the bosses of the mecha ASSY Fig 3 2 4 Reassembling of the Mecha ASSY 4 Head ASSY Head springs L Mecha ASSY Lower foot Bosses Head ASSY Lower foot Flat cable Flat cable A view A view Assemble the lower foot in a way that it comes to the position shown in the figure above when the flat cable is restored to the original location ...

Page 55: ... bosses Caution Pay attention not to give strong impact on the heating element of a head ASSY when mounting the head ASSY Fig 3 2 5 Reassembling of the Mecha ASSY 5 Head ASSY Bosses Head ASSY Insert the head springs L properly into the bosses of the head ASSY Insert the head springs L properly into the bosses of the mecha ASSY Heating element Hook the left and right arms of the head ASSY on the re...

Page 56: ...III 31 6 Assemble the head hold spring onto the mecha ASSY as shown in the figure Note Be careful not to cut your fingers Fig 3 2 6 Reassembling of the Mecha ASSY 6 Mecha ASSY Head hold spring 1 2 3 ...

Page 57: ...n ASSY to the mecha ASSY Fig 3 2 7 Reassembling of the Mecha ASSY 7 9 Assemble the platen shaft bush right side to the mecha ASSY by screw Fig 3 2 8 Reassembling of the Mecha ASSY 8 Platen ASSY Platen shaft bush Right side Mecha ASSY Platen shaft bush Left side Platen ASSY Mecha ASSY Screw ...

Page 58: ...ar C onto the mecha ASSY in this order Note1 Confirm that the hook of the double gear C is securely hooked on Note2 Confirm that each gear moves smoothly Fig 3 2 9 Reassembling of the Mecha ASSY 9 Mecha ASSY Double gear B Double gear C Platen gear Hook Mecha ASSY ...

Page 59: ...n label onto the cutter unit ASSY Fig 3 2 10 Installing the Cutter Unit ASSY 1 2 Assemble the cutter unit ASSY onto the mecha ASSY with the two screws Fig 3 2 11 Installing the Cutter Unit ASSY 2 Cutter caution label Cutter unit ASSY Cutter unit ASSY Mecha ASSY Screws ...

Page 60: ...a ASSY with the two screws Fig 3 2 12 Installing the Mecha ASSY 1 4 Put the harnesses of the mecha ASSY through the three holes of the under cover respectively as shown in the figure Fig 3 2 13 Installing the Mecha ASSY 2 Hooks Under cover Flat cable of the head ASSY Hook B Hole Full cutter motor harness Hole Screws Hook A Hook B Hook A Hook A Mecha ASSY Under cover FG harness ASSY Cutter sensor h...

Page 61: ...CB ASSY Important When replacing the tape sensor PCB ASSY and then check the items using the MAINTENANCE SOFTWARE OPERATION in APPENDIX 1 Fig 3 2 14 Installing the Upper Cover 1 2 Put the flat cable of tape sensor PCB ASSY into the hole on the upper cover 3 Assemble the insert guide onto the upper cover with the two screws Fig 3 2 15 Installing the Upper Cover 2 Tape sensor PCB ASSY Insert guide I...

Page 62: ...of the upper cover Fig 3 2 16 Installing the Upper Cover 3 5 Move the platen release lever and link lever to the position as shown in the figure The head is in a pressure contact state Fig 3 2 17 Installing the Upper Cover 4 Filament tape Upper cover Platen release lever Flat cable Mecha ASSY Link lever ...

Page 63: ...r through the hole B of the upper cover and assemble the upper cover on the ribs of the under cover 9 Tighten the upper cover with the two screws A and three screws B Note The screws A are screw bind B M2 6x4 The screws B are taptite bind B M2 6x6 Fig 3 2 19 Installing the Upper Cover 6 Under cover A Flat cable of the Tape sensor PCB ASSY B Link lever Upper cover Screws B Screws A Under cover Uppe...

Page 64: ...and LED guide onto the panel cover Fig 3 2 20 Installing the Panel Cover 1 2 Assemble the shaft unit of the cover sensor arm to the portion A of the panel cover Fig 3 2 21 Installing the Panel Cover 2 Feed button Cover sensor arm LED guide Power button Panel cover Panel cover A ...

Page 65: ...ote Confirm that the Cover sensor arm moves smoothly Fig 3 2 22 Installing the Panel Cover 3 4 Insert the two hooks of the panel cover into the holes of the upper cover Fig 3 2 23 Installing the Panel Cover 4 SB PCB ASSY Screws Panel cover Hook Holes Hook Panel cover Upper cover ...

Page 66: ...sses are not pinched Fig 3 2 24 Installing the Panel Cover 5 7 Route the SB PCB harness on the upper cover as shown in the figure Fig 3 2 25 Installing the Panel Cover 6 Panel cover Upper cover A view A view Screws Panel cover SB PCB harness Rib The harness should be aligned Hooks Align and fit the harness into the groove Rib The harness should be placed under the rib ...

Page 67: ...ur hooks B of the side cover L with the upper cover and assemble it Fig 3 2 26 Installing the Side Cover L R 1 3 Turn the machine upside down and secure the side cover L with the two screws Fig 3 2 27 Installing the Side Cover L R 2 Screw Hook B Under cover Screw Hooks B Hooks A Hook A Side cover L Bottom of under cover ...

Page 68: ...e side cover R with the upper cover and assemble it Fig 3 2 28 Installing the Side Cover L R 3 6 Turn the machine upside down and secure the side cover R with the two screws Fig 3 2 29 Installing the Side Cover L R 4 Screw Hooks C Under cover Screw Hooks D Side cover R Hook C Hook D Bottom of under cover ...

Page 69: ...ION in APPENDIX 1 Fig 3 2 30 Installing the Media PCB ASSY 8 Installing the Sub ASSY Inlet 1 Put the harnesses of the sub ASSY inlet through the holes on the under cover 2 Insert the sub ASSY inlet to the hole of the under cover and put it until its hooks are properly hooked Fig 3 2 31 Installing the Sub ASSY Inlet 1 Screws Under cover Hooks Media PCB ASSY Main body Sub ASSY inlet Hole Harness ...

Page 70: ...own in the figure Fig 3 2 32 Installing the Sub ASSY Inlet 2 4 Route the harness of the sub ASSY inlet as shown in the figure Fig 3 2 33 Installing the Sub ASSY Inlet 3 Sub ASSY inlet harness Power supply ASSY Under cover Hook Hook Hook Hook Sub ASSY inlet Front To power supply ASSY ...

Page 71: ...4 Installing the Power supply ASSY and Main PCB ASSY 1 2 Assemble the ground spring plate FG harness ASSY and main PCB ASSY with the three screws Fig 3 2 35 Installing the Power supply ASSY and Main PCB ASSY 2 Insulating sheet S Screws Main PCB ASSY Under cover Screw Ground spring plate FG harness ASSY FG harness ASSY Boss Under cover Under cover Slit ...

Page 72: ... power8 harness ASSY into the main PCB ASSY 5 Connect the main PCB harness into the power supply ASSY Fig 3 2 37 Installing the Power supply ASSY and Main PCB ASSY 4 Power supply ASSY Power8 harness ASSY Power supply ASSY Main PCB ASSY Power8 harness ASSY Main PCB harness Main PCB ASSY Power supply ASSY Power8 harness ASSY Main PCB harness Slit ...

Page 73: ... 5 7 Connect the five connectors CN5 CN7 CN8 CN10 CN11 and two flat cables CN3 CN4 into the main PCB ASSY Important When replacing the main PCB ASSY and then check the items using the MAINTENANCE SOFTWARE OPERATION in APPENDIX 1 CN1 CN2 CN3 CN4 CN7 CN5 CN8 CN10 CN11 Fig 3 2 39 Installing the Power supply ASSY and Main PCB ASSY 6 Power supply ASSY Under cover Main PCB ASSY Screws Sub ASSY inlet har...

Page 74: ...e Fig 3 2 40 Installing the Power supply ASSY and Main PCB ASSY 7 10 Assemble the lower plate ASSY onto the main body with the four screws Fig 3 2 41 Installing the Power supply ASSY and Main PCB ASSY 8 Main body Screws Screws Lower plate ASSY Filament tape Main PCB ASSY CN11 Slit Slit Slit CN11 CN10 CN8 FG harness FG harness CN8 Slit ...

Page 75: ...le the tray S onto the front cover Fig 3 2 42 Installing the Front Cover and Tray S 1 2 Assemble front cover onto the main body 3 Close the front cover Fig 3 2 43 Installing the Front Cover and Tray S 2 Tray S Front cover Front cover Main body Rib Rib 1 1 2 ...

Page 76: ...le of the upper cover and then insert the other boss to the rib hole by bending the rib Fig 3 2 44 Installing the Top Cover and Thermal Tape 1 2 Assemble Link lever onto the top cover Fig 3 2 45 Installing the Top Cover and Thermal Tape 2 Bosses Ribs Top cover Top cover Upper cover Upper cover 1 1 2 2 Top cover Link lever Rib Rib ...

Page 77: ...III 52 3 Assemble the thermal tape onto the main body 4 Close the top cover Fig 3 2 46 Installing the Top Cover and Thermal Tape 3 Top cover Thermal tape 1 2 ...

Page 78: ... width gray print is performed This print operation is repeated until the power is turned OFF 3 Confirm that the tape is sent properly print is correct and the tape is cut properly during the demonstration print If you find any problems consult CHAPTER IV TROUGLESHOOTING AND ERROR MESSAGE 4 Open the top cover and confirm that the head ASSY is released from the platen ASSY 5 Confirm that the Feed C...

Page 79: ...d 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 p...

Page 80: ...rror Service call is required LED State Turned off Power OFF Green LED ON Power ON Orange LED ON Cover open While the machine is not running Low rate blinking 1 6 sec frequency LED OFF for 0 8 sec Orange LED ON for 0 8 sec In a cooling state Fast blinking 0 8 sec cycle LED OFF for 0 4 sec Red LED ON for 0 4 sec LED OFF for 0 4 sec Red LED ON for 0 4 sec Error Cutter error Media mark detect error T...

Page 81: ...ls or tape into the machine and then click on the monitor Click to cancel the print job Go to the Page Properties in the P touch Editor and change the selection of the supply roll so that it matches the one inside the machine Try printing the label again P touch may have invalid data in memory Turn the P touch off and then on Cover open Close the cover Connected P touch is not QL 570 Change the mo...

Page 82: ...pace to spool document Ensure sufficient disk space The cooling operation is underway Wait for a while The cooling operation is underway Wait for a while Sending Print data is being sent Please wait Printing Printing Please wait Error of unknown cause occurred Turn off and on the power of the printer main unit If the error is not resolved it needs repairs ...

Page 83: ...onnector Media cover sensors check 2 Check failure The sensor check failed Check if any obstacle is placed around the media sensors Communication error Cannot transmit Check the power supply and the USB connector Cut test 3 Check failure The Cut test failed Check if any obstacle is placed around the cutter and the delivery opening Temperature check 4 Communication error Cannot transmit Check the p...

Page 84: ...IV 6 4 5 TROUBLESHOOTING FLOWS 1 Printing is performed with specific dots omitted ...

Page 85: ...IV 7 2 The tape is not detected correctly ...

Page 86: ...IV 8 3 LED does not turn on ...

Page 87: ...IV 9 4 No printing is performed 5 The interface malfunction ...

Page 88: ...IV 10 6 The tape is not cut ...

Page 89: ...IV 11 7 The tape is not fed correctly ...

Page 90: ...gs and inspections of 0 Write default EEPROM data 5 Adjustment print test and 8 Write serial number 1 2 Maintenance software tool Implement the applicable setting and inspection General settings General settings Sets the print pattern for various print tests It is impossible to set other items than the above Maintenance check The maintenance software includes seven types of the inspection item as ...

Page 91: ...4 Auto power off setting tool This tool is used to set the correct auto power off time for models to particular destinations and with particular main PCB Auto power off setting Sets auto power off time 2 ...

Page 92: ...work is done This tool serves to reset the EEPROM Operating Procedure 1 Start the reset software File name ql500tstReset exe The following screen appears Fig 1 2 Connect the machine to your PC with the USB cable and turn the ON OFF button ON Fig 1 Note When new hardware is detected and the New hardware detection wizard screen appears press the Cancel button 3 ...

Page 93: ... as the check result and the present serial No is displayed in the Results column Fig 2 4 Press the Reset EEPROM button to reset the EEPROM of the main unit to the initial state factory default Reset command OK is displayed in the Results column Fig 3 4 ...

Page 94: ...er of the main unit and then turn it ON again 6 Press the Check SerNo button If OK is displayed as the check result and if the serial No displayed in the Results column is B00000001 the reset operation is complete Fig 4 5 ...

Page 95: ...ng Procedure of Maintenance Software 1 Start the maintenance software File name ql570tstSE exe Fig 5 2 Connect the machine to your PC with the USB cable and turn the ON OFF button ON Note When new hardware is detected and the New hardware detection wizard screen appears press the Cancel button 6 ...

Page 96: ...have the barcode reader manually input the lower 9 digits of the serial number in the rating plate on the under cover from the keyboard Example Enter the last nine digits G7G111111 if the serial number on the nameplate is printed as U61884 G7G111111 4 Then open the General Settings window to set the general settings Click the General setting button Fig 6 7 ...

Page 97: ... below specify 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 DieCut DieCut latest date prn Adjustment print test continuous Lenfree latest date prn Note Since the values of other items than the above are fixed you cannot set them 5 2 Click the OK button after completing all settings 8 ...

Page 98: ... and turn the ON OFF button ON 3 Enter the serial number from the keyboard 2 1 Write default EEPROM data Reset the setting value of the EEPROM to the factory default value 1 Click the 0 Write default EEPROM data button When initialization of the EEPROM is complete the result is displayed in the Results column Fig 8 9 ...

Page 99: ... 2 2 Tape sensor check 1 Click the 1 Tape sensor check button The following screen appears Fig 10 Fig 9 Fig 10 10 ...

Page 100: ...ck mark on the backing paper to the position indicated in the figure Tape sensor PCB ASSY Backing paper release paper 62mmx100mm 2 3 7 x4 202 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 Upper cover Fig 11 3 Click the Sensor white level check 1 button If the standards are satisfied OK is displayed in both the White level column and Adjusted value column Fig 12 11 ...

Page 101: ...s are satisfied OK is displayed in the Black level column 5 If all the check results are OK click the OK button to go on to the next test Important If NG appears in the Adjust value column implement the operation described in APPENDIX 1 3 Use Procedure of the VR Adjustment Tool ql500tstVRAdjust exe Fig 13 12 ...

Page 102: ... 2 3 Media cover sensors check Check that the cover open sensor and media sensor work correctly 1 Click the 2 Media cover sensors check button Fig 14 13 ...

Page 103: ...mn 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 Cover sensor arm Media sensor Media sensor 0 5 Fig 15 Fig 16 6 When a sensor correctly responds Undo in the Results column is replaced with Done 14 ...

Page 104: ... 7 If the check result is OK click the 2 Quit sensors check button If NG click the Sensors test NG button Fig 17 15 ...

Page 105: ...is fed and cut correctly 1 Click the 3 Cut test button Fig 18 2 Set the free length roll of 62mm into the machine 3 Press the Feed button on the machine If OK the feed test OK message appears in the Results column Feed button Fig 19 16 ...

Page 106: ... 4 Press the Cut button on the machine If OK the feed and cut test OK message appears in the Results column Cut button Fig 20 5 Click the 3 Quit cut test button to finish the cut test mode 17 ...

Page 107: ... 2 5 Temperature check Check that the head temperature sensor works properly 1 Click the 4 Temperature check button If the standards are satisfied OK is displayed in the Results column Fig 21 18 ...

Page 108: ...rinting test to adjust the energy rank and top and bottom margins 1 Click the 5 Adjustment print test button The following screen appears Fig 23 Fig 22 Fig 23 Note The OK button is disabled before these two types of adjustment are completed 19 ...

Page 109: ...achine and click the Print test continuous 2 button to implement the test print Fig 24 3 Press the Cut button on the machine 4 Measure the top margin of the print result It is OK if the top margin is 3mm 0 5mm 3mm 0 5mm Printing direction Fig 25 20 ...

Page 110: ...olumn so that the top margin is 3mm 0 5mm Then click the Apply 0 button When adjustment is complete OK is displayed in the Apply result column Fig 26 Fig 27 6 Click the Print test continuous 2 button again to implement the test print Check that the top margin of the print result is 3mm 0 5mm 21 ...

Page 111: ... cut roll of 62mm x 100mm into the machine and click the Print test DieCut 1 button to implement the test print Fig 28 8 Measure the top margin of the print result It is OK if the top margin is 3mm 0 5mm 3mm 0 5mm Printing direction Fig 29 22 ...

Page 112: ...at the top margin is 3mm 0 5mm Then click the Apply 0 button Fig 30 10 Click the Print test DieCut 1 button again to implement the test print Then check that the top margin of the print result is 3mm 0 25mm 11 If the check result is OK click the OK button to close the Adjustment print test screen Fig 31 23 ...

Page 113: ...te the USB serial number into the EEPROM Click the 8 Write serial number button When the USB serial number is written normally OK appears on the left hand side of the button and the message appears in the Results column Fig 32 24 ...

Page 114: ...lace the media PCB ASSY When the tape sensor check in the maintenance software tool ql570tstSE exe failed Operating Procedure 1 Start the VR adjustment tool File name ql500tstVRAdjust exe The following screen appears Fig 33 Fig 33 2 Connect the machine to your PC with the USB cable and turn the ON OFF button ON Note When new hardware is detected and the New hardware detection wizard screen appears...

Page 115: ...elease paper of the die cut tape 62mm x 100mm on the main unit Tape sensor PCB ASSY Backing paper release paper 62mmx100mm 2 3 7 x4 202 6 2 m m x 1 0 0 m m 2 3 7 x 4 2 0 2 Upper cover Fig 34 4 Click the VR adjustment button Fig 35 26 ...

Page 116: ...djustment 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 In the case of OK The numeric value displayed is within the range of 218 to 222 Fig 36 In the case of NG Adjust the VR value Fig 37 27 ...

Page 117: ...n the machine with using a screwdriver 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 Screwdriver Volume cover label Slit Upper cover Volume Fig 38 28 ...

Page 118: ...er adjustment attach a brand new volume cover label onto the adjustment hole on the upper cover Brand new volume cover label Upper cover Adjustment hole Fig 39 9 Click the Quit VR adjustment button Fig 40 29 ...

Page 119: ...ftware 11 Turn off the ON OFF 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 41 30 ...

Page 120: ...n products with Erp Tier2 compliant PCB for particular destination 1 Connect the machine to your PC with the USB cable and turn ON the machine Note Be sure to install the driver in advance as it is required for this tool 2 Once the driver is installed double click autopoff exe to run auto power off setting tool This tool can be found in autopoff100 zip with other tools Extract and double click to ...

Page 121: ...the window below appears 1 When the connected printer is not same with printer selected on auto power off setting tool error message below appears Check the Printer field on auto power off setting tool again See fig 42 Fig 44 Transmission error 2 When the auto power off setting tool is used for printers do not satisfy required condition 2 on page 31 error message below appears Check printer s conf...

Page 122: ...Sep 2007 SM PT002 3 ...

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Brother QL 570 - P-Touch B/W Direct Thermal Printer, Service Manual

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