Epson TM-H6000 Service Manual Download Page 23

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1-14

Troubleshooting

Rev. A

Confidential

Procedures for Replacing the Print Head Unit

This section explains how to replace the dot impact print head. See page 2-27 for information on
replacing the thermal print head.

1. Turn off the power switch to the printer. Remove the power supply unit from the printer.

2. Open the printer front cover and remove the ribbon cartridge.

Figure 1-7 Removing the ribbon cartridge

3. Pull the cable connector out of the slit on the case.

Figure 1-8 Pulling the cable connector out

When you are reattaching the cable, arrange the cable wires as shown below.

Figure 1-9 Arranging the cable wires

Summary of Contents for TM-H6000

Page 1: ...Confidential Service manual TM H6000 H6000P English 401040800 Issued Date 199 Issued by ...

Page 2: ...the information on the document You may not reproduce store or transmit the confidential information in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Seiko Epson Your obligations under this Agreement are in addition to any other legal obligations Seiko Epson does not waive any right under this Agreement by failing to exer...

Page 3: ...er Mechanism 1 9 Test Points on the Main Circuit Board Unit 1 11 Power Supply Line Check 1 11 Locations of the Main Elements on the Main Circuit Board Unit 1 13 Procedures for Replacing the Print Head Unit 1 14 Checking for Paper Jams in the Autocutter Unit 1 18 Chapter 2 Assembly and Disassembly Before Assembly and Disassembly 2 1 About this Chapter 2 1 Titles 2 1 Procedures 2 1 Quick reference 2...

Page 4: ...rcuit D 41 Connection of Units D 41 Circuit Block Diagram D 42 Memory Circuit Board D 43 Main Circuit Board Unit D 44 CPU and Peripheral Logic Circuits D 46 Slip Mechanism Drive Function D 56 Thermal Mechanism Drive Circuit D 63 Input Circuit D 66 Control Panel Function D 69 Malfunction Protective Circuit D 70 Interface D 71 Important Parts D 71 DIP Switch Settings D 73 Serial Interface Specificat...

Page 5: ... Memory block H 7 RS 232 I F Circuit Board Assembly UB S01 Circuit Diagram H 8 Parallel I F Circuit Board Assembly UB P02 Circuit Diagram H 9 RS 485 I F Circuit Board Assembly UB S02 Circuit Diagram H 10 Appendix I Printer Handling Using the Power Switch Cover I 1 Opening the Front Cover I 2 Installing or Replacing the Paper Roll I 2 Installing the Ribbon Cassette I 4 Inserting Slip Paper I 7 Adju...

Page 6: ... accessible location WARNING Shut down your equipment immediately if it produces smoke a strange odor or unusual noise Continued use may lead to fire or electric shock Immediately unplug the equipment Only disassemble this product as described in this manual Do not make modified to the unit Tampering with this product may result in injury fire or electric shock Be sure to use the specified power s...

Page 7: ...ty or dust levels Excessive humidity and dust may cause equipment damage fire or shock Do not place heavy objects on top of this product Never stand or lean on this product Equipment may fall or collapse causing breakage and possible injury To ensure safety please unplug this product prior to leaving it unused for an extended period Do not touch the thermal head or paper feed motor Wait for the he...

Page 8: ...not touch the circuit board or cable terminals with your hands to prevent contamination that may result in a malfunction Do not use an alcohol benzine thinner trichloroethylene or ketone based solvent to clean the parts This type of solvent may damage the plastic and rubber parts Wipe off any dirt with a dry or slightly moist cloth Be sure to remove the power cord from the outlet at this time Note...

Page 9: ...rm maintenance and repair Appendix B Maintenance Describes required procedures to perform repair maintenance and inspection Appendix C Installation Removal Describes installation and removal procedures Appendix D Product Outline Provides reference information for maintenance and inspection Appendix E Parts List Contains a list of product parts Appendix F Overall Exploded Diagram Disassembly diagra...

Page 10: ...n the following parts For troubleshooting you may only need to follow Flowcharts for Diagnosing Failures Flowcharts for diagnosing failures Printer mechanism power on tests Starting and stopping self tests Troubleshooting using the ERROR LED Test points on the printer mechanism Test points on the main circuit board unit Locations of the main elements on the main circuit board unit Procedures for r...

Page 11: ...Check paper jam see page 1 18 Power line might be shorted on the display module side END END Go to sub routine END No END Yes Yes Yes Yes Yes Yes Yes No Problem on receipt END Replace the I F cable For serial interface be sure you use a null modem cable Replace the I F board see page 2 38 Problem fixed No No Yes Run the self test see page 1 6 Yes Check the power supply Replace if necessary Go to s...

Page 12: ...ircuit board see page 2 30 Yes No Check motors and coils See Test Points of the Printer Mechanism page 1 9 for the appropriate resistance values Do you need further analysis Put the main circuit board back in to the printer END Yes Replace the defective part if necessary If all motors and coils are OK go on to the next step Problem fixed END Replace the thermal printer mechanism see page 2 32 No Y...

Page 13: ...nter Opens and closes the platen Detects carriage home position Feeds paper to the thermal printer This section describes the items that you can check visually Opening and Closing the Platen The printer opens and closes the platen once Check this operation with the front cover opened Figure 1 3 Opening and closing the platen check for the platen open and close operation ...

Page 14: ...r moves to the left side home position once and then to the right side before stopping Check this operation with the front cover opened Figure 1 4 Detecting the head carriage home position Feeding Thermal Printer Paper Roll paper is fed 1 to 2 mm 0 04 to 0 08 Figure 1 5 Feeding thermal printer paper check for head carriage movement check for paper feed ...

Page 15: ...a slip of paper in the printer Self Test Wait Mode Roll paper self test When the test print is completed the printer enters the self test wait mode and the PAPER OUT LED flashes after printing SELF TEST printing Please press PAPER FEED button Test printing starts when you press the receipt paper FEED button Slip paper self test When the printer status print is completed the printer ejects the slip...

Page 16: ...e head carriage home position was not correctly detected 1 Check the carriage assembly for paper jams See page 1 14 2 Check for paper dust on the H P detector assembly See page 1 14 3 Replace the sensor Carriage out of step error There is no carriage detector output even when the carriage is instructed to move 1 Check the carriage assembly for paper jams See page 1 14 2 Check the rotary encoder on...

Page 17: ...tion Print head thermistor detection error Lever drive motor assembly error 1 Check if the printer is restored after replacing the print head unit impact head See page 1 14 2 Check if the printer is restored after replacing the thermal head FFC 3 Check if the printer is restored after replacing the thermal print head set See page 2 28 4 Check if there is conductivity in the lever drive motor assem...

Page 18: ...n the printer mechanism Name of Mechanism Part Name Internal Element Function Where to Check Normal Status Thermal mechanism assembly M H6000 Paper cutter motor sub assembly DC brush motor Autocutter drive Remove the cable connector connected to CN23 on the main circuit board unit and test between pin 1 and pin 2 The line must be continued Receipt paper feed motor 4 phase stepping motor Receipt pa...

Page 19: ...riage drive Remove the cable connector connected to CN30 on the main circuit board unit and test between pin 1 and pin 2 and between pin 3 and pin 4 Approx 4 5 Ω per 1 phase Lever drive motor assembly DC brush motor Form stopper operation Slip paper roller sub operation Platen open and close Endorsement printer platen open and close Remove the cable connector connected to CN30 on the main circuit ...

Page 20: ...on Also always use the specified type of fuse when replacing 2 Voltage input from the power supply U11 pin 1 Output when the power supply is ON 24 V 10 It is possible that the problem is pre arcing of the R3 fuse The fuse may have pre arced because of a problem in the logic power supply circuit or because of a VCC over voltage If pre arcing of the R3 fuse happens do not repair the main circuit boa...

Page 21: ...when power supply unit is connected 24 V 10 TH1 could have malfunctioned 9 Mechanism voltage 24C Located near Q29 base Output when Q46 C is 0 24V SW1 H 24 V 10 It is possible that the problem is pre arcing of the F2 fuse The fuse may have pre arced because of a defect in the 24V line circuit elements If pre arcing of the F2 fuse happens do not repair the main circuit board unit The quality of seve...

Page 22: ...unit Figure 1 6 Locations of the main elements on the main circuit board unit Fuse F1 Fuse F2 Fuse F3 Rear side Fuse F4 Fuse R3 CPU U3 Gate array U30 under the memory board Carriage motor controller U14 Autocutter motor driver Q5 Slip paper feed motor controller U17 Thermal paper feed motor controller U19 Impact dot head drivers QM3 Impact dot head drivers QM6 Memory board Font ROM U513 Program RO...

Page 23: ...t head 1 Turn off the power switch to the printer Remove the power supply unit from the printer 2 Open the printer front cover and remove the ribbon cartridge Figure 1 7 Removing the ribbon cartridge 3 Pull the cable connector out of the slit on the case Figure 1 8 Pulling the cable connector out When you are reattaching the cable arrange the cable wires as shown below Figure 1 9 Arranging the cab...

Page 24: ... two screws and remove the carriage cover frame assembly Figure 1 10 Removing the carriage cover frame assembly When you are reattaching the frame insert the tooth on the left side into the shaft and align the nib on the right side with the nib hole Figure 1 11 Tooth and nib tooth nib ...

Page 25: ...nd remove the print head unit Figure 1 12 Removing the print head unit When you are attaching insert the print head unit ribbon cable FPC below the three tabs Figure 1 13 Three tabs 6 Remove the print head unit FPC from the printer Figure 1 14 Removing the FPC tabs ...

Page 26: ...g 1 17 TM H6000 H6000P Service Manual Confidential 7 Remove the nose guide from the print head unit Figure 1 15 Removing the nose guide 8 To reinstall the print head reverse the procedures you used to remove it nose guide ...

Page 27: ...aper jams in the autocutter unit 1 Open the roll paper cover Figure 1 16 Opening the roll paper cover If you cannot open the roll paper cover open the unit cover Rotate the cutter blade knob in the direction of the arrow in the illustration below to move the cutter blade Figure 1 17 Operating the cutter blade knob cutter blade knob unit cover ...

Page 28: ...v A Troubleshooting 1 19 TM H6000 H6000P Service Manual Confidential 2 Check that there is no paper jam in the areas shown in the illustration below Figure 1 18 Checking for paper jams check for paper jam ...

Page 29: ...1 20 Troubleshooting Rev A Confidential ...

Page 30: ... in this chapter Doing so can result in injuries or damage to the printer Do not touch the FPC or the FFC pins with your hands About this Chapter Titles This chapter uses titles for important parts and blocks units not for all parts service parts Procedures This chapter provides the procedures for assembling Reverse them to disassemble the printer Assembly is organized into Assembling the Mechanis...

Page 31: ... Contents at the front of this manual Assembling the Mechanismfor the SlipPrinter Pre assembly Procedures page 2 3 Assembly of the Slip Printer Mechanism page 2 13 Assembling the Thermal Mechanism Pre assembly Procedures page 2 24 Assembly of the Thermal Mechanism page 2 26 Assembling the TM H6000 Pre assembly Procedures page 2 30 Assembly of the TM H6000 page 2 30 ...

Page 32: ...plate to the coil lever drive Check the direction for attachment 3 Hook the paper feed trigger claw spring 3 onto the paper feed steel core and paper feed trigger suction plate One side of the paper feed trigger claw spring 3 is single and the other side is double Attach the double side onto the paper feed trigger suction plate 4 Lubricate the area contacting the trigger suction plate coil lever a...

Page 33: ...ert the ribbon feed spring all the way by rotating it to the right 3 Lubricate the ribbon feed spring surface See Appendix G for a lubrication diagram 4 Fasten the ribbon take up gear assembly to the carriage frame assembly Position and insert the ribbon feed spring tooth and the ribbon take up gear assembly notch 5 Attach the carriage transmission pulley to the carriage transmission pulley shaft ...

Page 34: ...ler diameter 12 Attach the ribbon drive plate assembly to the top of the ribbon reduction gear and ribbon intermediate gear The gears of the ribbon drive plate assembly should face downward 13 Fasten the belt drive cap carriage drive transmission gear and the ribbon drive assembly See the illustration on the next page three E rings Figure 2 5 632 Carriage drive transmission gear 725 Gear train cov...

Page 35: ...nside of the carriage drive pulley See Appendix G for a lubrication diagram 4 Attach the belt drive cap to the carriage drive pulley using one E ring Insert the flat surface of the belt drive cap face up to install it 5 Fix the carriage motor to the carriage sub assembly nib frame assembly with one screw Tighten the lead wire side screw 6 Loosen the carriage motor stopper screw Rotate a maximum of...

Page 36: ...the back side of the carriage sub assembly The direction of the belt should be so that the front side is facing the inside of the belt 4 Pass the carriage guide gear into the carriage assembly and attach to the carriage sub assembly with one E ring The groove in the carriage guide shaft E ring should be toward the right side See the illustration on the next page 5 Lubricate the left and right side...

Page 37: ... sub assembly Figure 2 8 9 Set the intermediate circuit board cover onto the intermediate circuit board 10 Position and attach the intermediate circuit board to two nibs on the carriage frame assembly Fix with two screws see the illustration on the next page 604 Oil ring 604 Oil ring 677 Carriage assembly 610 Carriage spring 688 E ring 5 629 Carriage guide shaft ...

Page 38: ...ame 3 Install the slip print head unit Eb into the carriage assembly Insert the flexible plastic cable FPC into the intermediate circuit board connector and position with the two carriage assembly pins to attach At this time insert the FPC so that it is below the rack 4 Attach the nose guide to the carriage assembly Align the three nibs on the carriage assembly tip and insert 5 Solder the four car...

Page 39: ...l Note Check that the soldering is secure 6 Solder intermediate cables A B C to the intermediate circuit board Note Check that the soldering is secure 7 Bundle the intermediate cables types A B and C and pass them through the intermediate cable tube ...

Page 40: ...side Figure 2 10 607 screw C P P tite 3X12 622 Nose guide 662 Print head unit Eb 731 screw C P S tite P4 3X6 675 H P detector assembly 716 Lead wire type L 717 Lead wire type M 718 Lead wire type N 698 Intermediate cable type A 699 Intermediate cable type B 700 Intermediate cable type C 700 699 728 Intermediate cable tube 698 ...

Page 41: ...tion detector cable assembly Note Check that the soldering is secure 2 Assemble the paper ejection detector assembly and the paper ejection detector holder Insert into the paper ejection detector holder rack and align with one nib Fix with one screw as shown below 3 Insert the paper ejection detector cable assembly cable into the carriage cover frame Check the starting position for inserting the c...

Page 42: ... sub assembly frame with one E ring Use the sub spring feed lever shaft to fasten 5 Install the form stopper into the main sub assembly frame and insert the form stopper shaft Attach with one E ring Insert the form stopper shaft from the outer side of the main frame 6 Hook the form stopper spring to the main sub assembly and form stopper rack 7 Hook the sub slip feed lever spring onto the sub slip...

Page 43: ...p drive gear onto the sub slip feed assembly roller Press in starting from the slip drive gear whose diameter is larger see the illustration on the next page 13 Snap fit the lever drive motor detector plate to the lever drive motor gear 619 Form stopper spring 684 E ring 1 5 694 Crank shaft holder 691 screw C B S tite F 3X6 688 E ring 5 617 Form stopper 659 Lever drive motor assembly 705 Lead wire...

Page 44: ...aft holder 18 Lubricate the form stopper shaft rotating unit in two places 19 Lubricate the main sub assembly frame and sub slip feed roller in two places where they contact 20 Lubricate the sub slip feed roller and main sub assembly holder 21 Lubricate the area of contact of the stopper drive shaft and the form stopper 22 Lubricate the lever drive cam Figure 2 14 23 Attach the slip B O F detector...

Page 45: ...p hold sleeves into both ends of the sub slip hold roller 27 Temporarily assemble the front frame and the slip guide upper frame Insert the D cut side of the sub slip holder roller to the left align the two nibs and temporarily assemble 646 Slip guide lower frame type B 691 screw C B S tite F 3X6 608 screw C B P tite 3X6 668 Slip B O F detector assembly ...

Page 46: ...o the sub slip holder roller and attach with one E ring 37 Push the slip drive gears onto the slip holder shaft starting from the side whose diameter is largest 38 Use a pressing jig to press in the slip drive gears to the sub slip holder roller 39 Insert two slip transmission gears into slip transmission gear main sub assembly shaft A 40 Insert one slip transmission gear onto slip transmission ge...

Page 47: ...or to the front of the main sub assembly frame and insert set so that the soldered side of the main circuit board assembly for M U675 is up Align with the nibs in two places 54 Solder the lead wires of the cables 609 Slip feed roller shaft holder 637 Slip hold roller shaft 686 E ring 3 626 Platen lever drive cam 724 Slip hold roller spring 686 E ring 3 723 Slip hold roller sleeve 689 615 Lever dri...

Page 48: ... board with adhesive tape 57 Attach the MICR plate shutter to the slip guide lower frame type B with one screw Figure 2 16 691 screw C B S tite F 3X6 691 screw C B S tite F 3X6 722 screw C B P tite 3X8 672 Lever motor T P detector assembly 653 MICR shutter 691 screw C B S tite F 3X6 691 screw C B S tite F 3X6 704 Paper feed motor 673 Main circuit board assembly for M U675 671 Slip T O F detector a...

Page 49: ...bs in the carriage frame unit in the main frame notches Note Check the operating status of the ribbon drive plate assembly 59 Allign and attach the front cover detector assembly to the main sub assembly frame nibs 60 Solder the lead wire of the front cover detector assembly to the main circuit board Note Check that the soldering is secure 61 Install the wiring Figure 2 17 730 screw C B S tite F 3X...

Page 50: ... frame Figure 2 18 65 Insert the slip feed roller holder onto the slip feed roller Insert the D cut in the slip feed roller on the right side and insert the legs of the slip feed roller holder on the bottom side 66 Attach the slip feed roller to the platen lever Place the hinge so that it is facing upward and insert the D cut on the right side with the platen assembly attachment to the front Inser...

Page 51: ... the platen lever in three places in the rack and install the slip paper guide Insert the two nibs 75 While attaching the platen lever spring to the platen earth plate B attach the platen assembly to the frame platen lever assembly frame 76 Assemble the platen lever shaft L Figure 2 19 686 E ring 3 625 Platen lever shaf 623 Platen lever 678 Platen assembly 650 Slip paper guide 649 Slip feed roller...

Page 52: ...platen lever in one place with G 36 80 Lubricate the inside of main frame in two places with G 48 81 Install the carriage cover onto the main sub assembly frame Place the carriage cover in the carriage guide and align one screw hole and one nib 82 Connect paper ejection detector cable assembly A and paper ejection detector cable assembly B 83 Tie wrap the paper ejection detector cable assembly and...

Page 53: ...s of the micro switch Separate the shield tubes from the pins Note Check that the soldering is secure 4 Position the two paper cutter lead wires 5 Solder the lead wires to the legs of the paper cutter motor Separate the shield tubes from the pins Install the motor so that the label side is facing upward and solder the black lead wire to the and the red lead wire to the sides where they are marked ...

Page 54: ...de so that the drive pin enters the hole in the moveable blade smoothly When assembling pass the paper detector lead wire into the hole in the paper cutter motor frame so that it does not become pinched 12 Align the paper cutter frame and the paper cutter cover abutments four places and push in The nibs should abut completely 13 Move the paper detector lead wire guard tube and set it in a position...

Page 55: ...r and fasten the relaxation plate 4 Attach the N E detector unit to the left frame Install so that the hexagonal nut position is at the top 5 Temporarily tighten the reduction gear shaft to the left frame 6 Attach the left frame to the paper holder with two screws 7 Using two screws attach the frame plate and the right frame to the paper holder 548 screw C B 2X2 5 548 screw C B 2X2 5 530 Manual cu...

Page 56: ...th one screw 14 Insert the reduction gear into the reduction gear shaft The larger diameter part should be on the inner side 15 Attach the receipt paper feed motor to the motor frame with two screws 16 Attach the receipt paper feed motor to the left frame Insert the reduction gear shaft into the motor frame hole 520 Relaxation plate 512 N E detector adjustment screw 502 screw C B P tite 3X8 502 sc...

Page 57: ...de holder spring to the cover frame 22 Attach the fixed blade to the cover frame 23 Connect the N E detector lead wire to the micro switch 24 Connect the cover open detector lead wire to the circuit board assembly sensor A 25 Affix head caution label B to the front of the paper holder and the front of the motor frame 540 screw C B S tite F 3X6 540 screw C B S tite F 3X6 544 Receipt paper feed moto...

Page 58: ...ce Manual 26 Connect the lead wires to the intermediate circuit assembly connector 27 Insert the wires Figure 2 25 521 Blade holder spring 539 E ring 2 539 E ring 2 518 Frame cover 511 Platen assembly 503 Platen shaft holder 501 E ring 2 5 507 Fixed blade 523 Cover spring ...

Page 59: ...e direction for the insertion 7 Fold the thermal head FFC back along the line 8 Fasten the thermal head FFC using insulated a piece of tape 9 Align earth wire assembly F with the screw hole in the back left side of the M U675 mechanism assembly and attach with one screw Use care with the direction of attachment of earth wire assembly F 10 Attach the M U675 mechanism assembly and the main unit sub ...

Page 60: ...assembly 107 screw C P S tite 0 3X6 208 Switch panel circuit board assembly 210 113 Rubber insulator spacer 106 screw C B S tite F 3X6 107 screw C P S tite 0 3X6 107 screw C P S tite 0 3X6 107 screw C P S tite 0 3X6 128 Strengthening plate 114 Metallic insulator spacer 600 Mechanism assembly M U675 type AB 206 Intermit circuit board cable 201 Main circuit board assembly for TM H6000 H6000P 209 Cir...

Page 61: ...ghten two screws on the left and right of the thermal frame 20 Attach the thermal cushion to the thermal frame 21 Install the thermal frame into the lower case Attach with four screws Align the thermal frame with the two nibs on the lower case and screw boss in two places and tighten the screws Tighten the screws on the left front side along with the earth wire assembly 22 Connect the R cover dete...

Page 62: ... C B B tite 4X12 108 screw C B B tite 4X12 109 screw C B B tite 4X25 106 screw C B S tite F 3X6 103 screw C P T B 3X10 203 Earth wire assembly 127 Thermal frame 106 screw C B S tite F 3X6 141 Front seal 207 Power switch cable assembly 117 Rubber foot 117 Rubber foot 115 Caution seal 131 Left thermal spring 103 screw C P T B 3X10 103 screw C P T B 3X10 105 screw C C S tite 3X6 132 Right thermal spr...

Page 63: ...Connect the thermal head FFC to the M T6000 32 Attach the control panel unit to the front case 33 Attach the clamp to the mechanism assembly 34 Connect the control panel unit cable to the control panel circuit board assembly 35 Assemble the front case to the mechanism assembly with two screws Align and the front case to the nibs on the right side Tighten one screw B 0 3 10 in the screw hole on the...

Page 64: ... TM H6000 H6000P Service Manual 36 Install the paper ejection detector lead wire Figure 2 29 104 screw C C 4X20 104 screw C C 4X20 119 Upper case 110 Clamp 138 Table holder 137 Support plate 103 screw C P T B 3X10 120 Front case 124 Switch panel unit ...

Page 65: ...l case onto the M T6000 Align the bosses on the left and right one at a time in the rack and insert one on the left and two on the right 41 Hook L R thermal springs to the thermal frame rack 42 Close the thermal case 43 Open the M T6000 cover 44 Attach the thermal mechanism cover with four screws 45 Close the thermal mechanism cover 46 Attach the ribbon cassette cover to the upper case Align and i...

Page 66: ...rews on the upper case and lower case Figure 2 30 101 screw C B S tite F 3X4 140 Operation label type CA 101 screw C B S tite F 3X4 135 Thermal mechanism cover 123 Thermal case 134 Thermal button 134 Thermal button 133 Hook spring 133 Hook spring 129 Hook plate 129 Hook plate 121 Ribbon cassette cover ...

Page 67: ...t board assembly to the main circuit board unit with two screws 51 Attach the lower plate and the IC cover to the main unit sub assembly plate A with five screws Align the lower plate with the nibs on the main unit sub assembly and insert Insert the IC cover into the lower plate and tighten the screws After that tighten the screws at four positions on the lower plate 52 Tighten three label 53 Affi...

Page 68: ...p adjustment See Chapter 3 Adjusting and Setting 106 screw C B S tite F 3X6 116 Connector plate type AA 107 screw C P S tite 0 3X6 202 RS 232 I F circuit board assembly 106 screw C B S tite F 3X6 106 screw C B S tite F 3X6 136 Lower plate 111 IC cover 106 screw C B S tite F 3X6 144 Hexagon lock screw millimeter type 107 screw C P S tite 0 3X6 ...

Page 69: ...Disassembly and Assembly 2 40 Rev A Confidential ...

Page 70: ...pply switch You can damage the printer if you work when the power supply is still attached Remove all peripheral equipment connected to the printer before starting your work Do not perform any work that is not described in this chapter Doing so can result in injuries or damage to the printer Do not touch the flexible plastic cable FPC or the FFC pins with your hands The Purpose of Adjusting and Se...

Page 71: ...ollowings 1 Push the claw of the lever drive coil type B Figure 3 1 Items Requiring Phase Adjustment When you replaced or removed the lever drive gear When you replaced or removed the lever drive transmission gear When you replaced or removed the platen lever drive cam Lever drive coil type B Claw when raised Claw when pushed ...

Page 72: ... of the lever drive coil type B rotate the lever motor reduction gear in the direction indicated in the illustration so that the protrusion on the lever drive gear faces the very bottom of the printer Figure 3 2 A A A Lever motor reduction gear Lever drive gear protrusion Lever drive gear ...

Page 73: ... Rev A Confidential 3 Remove your finger from the claw of the lever drive coil type B Check that the claw returns to its original position Redo from step 1 if it has not returned to its original position Figure 3 3 ...

Page 74: ... Adjusting 3 5 TM H6000 H6000P Service Manual Confidential 4 Rotate the lever motor reduction gear Continue until the lever drive gear no longer rotates Figure 3 4 Lever motor reduction gear Lever drive gear ...

Page 75: ...al 5 While the printer is in that state attach the lever drive transmission gear to the lever drive transmission gear axis E ring 1 place Figure 3 5 Lever drive transmission gear Lever drive gear Lever drive transmission gear E ring ...

Page 76: ...semble the platen lever drive cam to the platen lever drive cam shaft E ring 1 place Set so that the three gear teeth of the platen lever drive cam are facing downward Figure 3 6 three teeth of the gear Platen lever drive cam E ring E ring Platen lever drive cam Laver drive transmission gear Platen lever drive cam ...

Page 77: ...3 8 Adjusting Rev A Confidential Figure 3 7 Lever drive gear Lever drive transmission gear Lever motor reduction gear Platen lever drive cam Claw of the lever drive coil type B ...

Page 78: ... platen Note When you are adjusting the platen gap you must close the platen There are instances where the platen is open on this printer after assembly because of positioning with the gears and cams Therefore you must always use these steps to close the platen 2 Remove the ribbon cassette cover See page 2 37 3 Remove the carriage cover frame assembly See page 1 15 4 Prepare 0 45 mm and 0 50 mm th...

Page 79: ...ten set is located here Figure 3 9 Note The following shows the conditions for adjusting the platen gap to 0 5 0 05 mm The 0 45 mm thickness gauge falls under its own weight The 0 50 mm thickness gauge is pinched and will not fall between the platen and the print head unit 6 Attach the ribbon cassette cover and the carriage cover set frame 20mm 40mm 0 5 0 05mm Screw Platen set Print Head Screw ...

Page 80: ...3 Open the roll paper cover 4 Turn on the power switch to the printer while pressing the FEED button and the RELEASE button at the same time 5 Press the RELEASE button 7 times 6 Close the roll paper cover 7 The printer will automatically set the detector The main circuit board will store the setting values Items Requiring Setting When you replaced the Slip T O F detector assembly When you replaced...

Page 81: ...3 12 Adjusting Rev A Confidential ...

Page 82: ...x 1 To adjust the platen gap Crosshead screwdriver No 0 1 and 2 Other assembly disassembly Flathead screwdriver Other assembly disassembly Tweezers Other assembly disassembly Soldering iron Other assembly disassembly Wrist band Other assembly disassembly E ring holder 1 5 2 0 2 3 2 5 3 0 4 0 and 5 0 Other assembly disassembly Hexagon box driver 5 5 mm Other assembly disassembly Table A 2 Lubricant...

Page 83: ...Appendix A 2 Service Tools and Lubricants Rev A Confidential ...

Page 84: ...y Inspection Checklist Items to Check Checkpoints Handling Printer setup The connector cables are plugged in Reconnect cables The roll paper and ribbon cassette are properly installed Install them properly The ribbon is routed properly in the printer The ribbon is not damaged Replace the ribbon cassette The receipt roll paper cover and unit cover are closed Close the cover The slip front cover is ...

Page 85: ...nually Is there any paper dust or other foreign matter adhering to the paper end detector or the ejection detector Wipe with a soft cloth to remove the paper dust etc Biannually Is the receipt side platen roller white with paper dust Dampen a cloth with a small amount of water and wipe the roller surface Biannually Spring Shapes Is the fixed blade holder spring deformed or loose Attach or replace ...

Page 86: ...r printing the print head can be very hot Be careful not to touch it Also let it cool before you clean it Do not damage the print head by touching it with your fingers or any hard object 1 Open the paper roll cover Figure B 1 Opening the paper roll cover 2 Clean the thermal element the green part of the print head with a cotton swab moistened with an alcohol solvent ethanol methanol or IPA Figure ...

Page 87: ...Appendix B 4 Maintenance Rev A Confidential ...

Page 88: ...ok different Before connecting any of the cables make sure that both the printer and the host PC are turned off Connecting to the Host PC You need an appropriate serial interface or parallel interface cable to connect your computer to the printer For the serial model it is important that you use a null modem cable not any other serial cable and for the parallel model use an IEEE 1284 cable 1 Plug ...

Page 89: ...screw labeled FG which is next to the interface connector 4 Attach the other end of the cable to the host PC Connecting the Drawer WARNING Use a drawer that matches the printer specifications Using an improper drawer may damage the drawer as well as the printer Do not connect a telephone line to the drawer kick out connector otherwise the printer and the telephone line may be damaged Plug the draw...

Page 90: ...y with the serial interface model of this printer 1 Make sure the printer is turned off 2 Plug the cable connector provided with the direct connection display module securely into the printer s display module connector until it clicks Figure C 5 Connecting to a direct connection display module Power Connection Use the optional EPSON PS 170 power supply or equivalent for your printer WARNING Make s...

Page 91: ...d Otherwise you may damage the power supply or the printer 1 Make sure the printer s power switch is turned off and the power supply s power cord is unplugged from the electrical outlet 2 Check the label on the power supply to make sure the voltage required by the power supply matches that of your electrical outlet 3 Plug the power supply cord into the connector shown below Figure C 6 Power connec...

Page 92: ...mponent Functions Figure D 1 Figure D 2 Figure D 3 front cover paper roll cover unit cover control panel interface connector DM connector drawer kick out connector power supply connector This illustration shows the serial interface model The parallel interface connector looks slightly different DIP switch cover ...

Page 93: ...rint head unit which has nine wires vertically arranged in one row the head carriage assembly platen carriage motor carriage feed pulley carriage guide shaft carriage transmission pulley and carriage transmission belt Figure D 4 Platen Main print head unit Carriage feed pulley Carriage motor Head carriage assembly Carriage transmission belt Carriage transmission pulley Carriage guide shaft ...

Page 94: ...ration Wire movement when printing one dot 1 When the prescribed electrical pulse is applied to the drive coil the steel core is excited and the operation plate is pulled in the direction indicated by black arrow At this time the dot wire is pressed against the operation plate by the force of the wire return spring The force of the operation plate causes the dot wire to be pushed out towards the p...

Page 95: ...ulse to the drive coil ends the dot wire and operation plate are returned to the standby status by the spring force of the wire return spring and operation plate spring Figure D 6 Operating plate Wire return spring Dot wire Paper Wire guide Ink ribbon Platen Core drive coil ...

Page 96: ... carriage motor phase change signal as a reference signal The print head unit is moved approximately 0 339 mm by a one step rotation 7 5 of the carriage motor To print the number 2 printing solenoid numbers 2 and 9 are energized in sync with the carriage motor phase change signal Next print solenoid number 8 is energized in sync with TnH delayed by a half dot time interval The number 2 is printed ...

Page 97: ...ten lever moves in the direction indicated by arrow a around the platen lever shaft and the platen and slip feed roller open see the figure D 8 The MICR read operation is performed on the check at this time To close the platen the lever drive coil is energized again while the lever drive motor is rotated rotating the lever drive gear the prescribed amount in the direction indicated by the arrow Th...

Page 98: ...n mechanism Detection of head carriage malfunction B O F detection mechanism Slip detection T O F detection mechanism Slip detection Paper ejection detection mechanism Slip detection Lever motor T P detection mechanism Lever drive motor timing signal detection Front cover detection mechanism Front cover open closed status detection Slip B O F detector assembly Slip T O F detector assembly Carriage...

Page 99: ...prised of the carriage drive transmission gear and carriage detector which are located on the carriage motor shaft The carriage detector consists of an LED and photo transistor The driving force generated by the carriage motor is transmitted to the carriage motor gear carriage drive pulley carriage belt carriage transmission pulley and the carriage drive transmission gear which is located at an eq...

Page 100: ...rrupted resulting in a change in the photo resistor output level This change in output level is used as a detection signal to determine whether or not a slip has been inserted Figure D 13 Top of form T O F detection mechanism The T O F detection mechanism detects whether or not a slip has been inserted The mechanism is located near the top before the form stopper to ensure it can determine whether...

Page 101: ...p paper ejection port to ensure it can determine whether or not paper remains in the unit after the slip has been ejected The paper ejection detector is comprised of an LED and photo resistor Reflected light is used to determine whether or not the slip has been ejected When a slip reaches the paper ejection detector after printing is performed and the slip is fed light emitted by the LED is reflec...

Page 102: ...detects lever motor rotation and generates the signal which determines the timing for energizing of the lever coil which in turn controls opening closing of the platen lever and opening closing of the sub slip feed roller Figure D 16 Figure D 17 Motor Lever drive motor detector plate Lever drive motor gear Lever motor T P detector GND High 5V GND Low When light is interrupted When light is emitted...

Page 103: ...l is used as a detection signal to determine when the front cover is open Figure D 18 Clamshell mechanism The clamshell mechanism consists of a platen lever unit paper feed frame support shaft and frame fixing lever This mechanism is used in the event of a quality problem such as a paper jam and when replacing the ribbon for the endorsement printer unit option built into the lower part of the plat...

Page 104: ... 3 Rotate the entire platen lever unit approximately 90 in the direction indicated by arrow b see the figure D 20 Figure D 20 Closing mechanism 1 When a paper jam or other problem has been fixed or after the ribbon is changed for the endorsement printer unit rotate the entire platen lever unit in the opposite direction from when the mechanism was opened 2 Lightly press down on the upper part of th...

Page 105: ...inserted the lever coil is energized while the lever drive motor is rotated At this time the linkage between the paper feed trigger suction plate and lever drive ratchet wheel is disconnected the lever drive shaft and lever drive cam rotate and the sub slip feed lever moves in the direction indicated by arrow a This pushes up the sub slip feed roller compressing the sub spring retainer roller At t...

Page 106: ...ed by the arrow The rotation force is transmitted to the slip feed roller and sub slip feed roller by the gears positioning the slip paper at the top see the figure D 23 on the next page Lever drive transmission gear Lever drive gear Sub slip feed lever Form stopper Lever drive shaft Lever drive motor Paper feed trigger attraction plate Lever drive cam Lever drive rachet wheel Platen lever drive c...

Page 107: ...verse direction by controlling the energizing signal of the paper feed motor The slip feed mechanism gear assembly is comprised of the following parts Paper feed motor gear for paper feed motor Paper feed transmission gear J S change gear Paper feed reduction gear Slip transmission gear Slip drive gear The driving force of the paper feed motor is transmitted to the slip feed roller and slip retain...

Page 108: ...in the direction indicated by the arrow When the slip paper is fed in the reverse direction the operation is performed in the opposite direction Ribbon Feed Mechanism Ribbon feed mechanism main print head unit The ribbon feed mechanism is comprised of the following parts Transmission gear Ribbon reduction gear Ribbon drive gear Ribbon intermediate gear Ribbon take up gear Ribbon take up shaft The ...

Page 109: ...Meshing of these gears results in the driving force of the ribbon drive gear being transmitted to the ribbon take up gear via the ribbon intermediate gear rotating the ribbon take up shaft mounted at the top in the direction indicated by arrow D The ribbon is fed when the ribbon feed roller in the ribbon cassette meshes with this ribbon take up shaft On the other hand when the head carriage assemb...

Page 110: ... turn prevents ribbon slack Figure D 25 Thermal Printer Mechanisms This printer consists of the following six mechanisms Paper feed mechanism Paper supply mechanism Printing mechanism Cutter mechanism Cover mechanism Printer holding mechanism B F C D G E A transmission gear Ribbon reduction gear Ribbon take up shaft Carriage transmission pulley Ribbon take up gear Ribbon intermediate gear Ribbon d...

Page 111: ...ance of the thermal printer is shown below Figure D 26 Paper Feed Mechanism Paper is fed by the drive transmission mechanism which rotates the platen and the head pressing mechanism which presses the thermal head against the platen Thermal mechanism cover Thermal case ...

Page 112: ...the motor attempts to rotate in the opposite direction the force acts to separate the gears due to the relationship of the pressure angle preventing the motor from being rotated in the opposite direction Figure D 27 Head press mechanism Support pins are pressure fit into the thermal head from the left and right sides and the thermal head support shafts are fitted into grooves provided in the left ...

Page 113: ...ce of the thermal head against the platen acts as a downward force on the frame cover fixing the platen bearings to the positioning grooves provided in the left and right frames The grooves that support the thermal head support shafts are open to the rear surface of the head allowing the thermal head to move along the platen Uniform force acts in the thermal head print line direction Figure D 30 H...

Page 114: ...n the direction indicated by arrow when the motor rotates the platen The paper feed speed with this mechanism is determined by the type of printing pattern ambient temperature power voltage and DIP switch settings 2 2 phase excitation is used for speeds exceeding 70 mm s and 1 2 phase excitation is used to drive speeds of 70 mm s or less to ensure adequate torque and to control motor heat rise and...

Page 115: ...is unit When the frame cover is opened the thermal head is exposed head open mechanism In addition to facilitating easy loading of paper rolls this mechanism also simplifies removal of jammed paper and cleaning of the thermal head and platen Figure D 32 Platen Thermal print head assembly Left frame Paper holder Frame cover ...

Page 116: ...ts the end of the paper roll Furthermore the platen has an impact plate to ease rapid changes in load exerted by the paper roll Figure D 33 Near end N E detection mechanism The N E detector lever is supported by the N E detector holder in such a way that it can rotate The spring force of a micro switch fixed to the N E detector holder by a screw pushes the N E detector lever in the direction indic...

Page 117: ...paper remaining when the near end is detected can be changed to one of two settings With one setting the N E detector holder knob is pulled up and fixed in place and with the other setting the N E detector holder knob is pressed down and fixed in place Figure D 34 Paper end detection mechanism A reflective type photo sensor comprised of an LED an photo transistor is mounted on the paper detection ...

Page 118: ... the frame cover is opened the sensor is exposed but the impact plate acts as a lightning rod preventing discharge of static electricity to the sensor which would damage it The paper detection circuit board is connected to the intermediate circuit board by the paper end detector lead wire Figure D 35 paper guide Photo sensor Relaxation plate Frame plate ...

Page 119: ...on plate that prevents an abnormal rise in heat by the head chip a flexible plastic cable FPC for signal wiring and the head support shaft pin The thermal head is connected by the FFC to the main circuit board via a connector A cross section of the thermal head heating element and cross section of the paper roll heat sensitive paper are shown in the figure on the next page Printing is performed in...

Page 120: ... the clock transferred to the shift register and stored in the latch according to the timing of the latch signal The stored printing data is sent to the heating element when the gate is turned on by the strobe signal There are two strobe terminals among which drive is divided Strobe 1 and Strobe 2 Base Thermal color development layer Protective layer Electrode Glaze circuit board ...

Page 121: ...perature head supply voltage and condition for printing the previous dot are set to the ideal values depending on the printing pattern Figure D 38 R512 0 1 2 3 R256 R1 R257 32 Bit cut 32 Bit cut VH DATA IN 1 DATA IN 2 LATCH CLOCK STROBE 2 STROBE 1 GND VDD THERMISTOR THERMISTOR R512 Data transmission direction ïïïïï R1 ...

Page 122: ...ism is a scissors like movement where the paper is cut when two blades pass each other The autocutter mechanism on this unit is of the type where the cutter blades are separate eliminating the necessity of feeding the paper through a slit in the autocutter mechanism The fixed blade and movable blade are completely separated when the frame cover is opened The fixed blade is located on the frame cov...

Page 123: ...ner spring pushes the fixed blade against the frame cover As a safety consideration a row of short tooth shaped of projections is provided on the ejection side near the fixed blade Figure D 41 Figure D 42 Fixed blade Blade holder spring Movable cutter blade spring Movable cutter blade spring Frame cover Fixed blade Thermal mechanism cover Fixed blade ...

Page 124: ...le blade holder spacer movable blade movable blade retainer spring and a movable blade spring washer are located on the movable blade shaft fit onto the paper cutter frame and are held to the paper cutter frame by a push nut The movable blade has a drive pin which is fit into an oblong hole When the drive pin on the frame cover enters this oblong hole and rotates the movable blade rotates to the l...

Page 125: ... blade type Normally when the unit is used and the fixed blade is not at the standby position the paper cutter motor is rotated in the opposite direction to return the fixed blade to the standby position The cutter motor gear has a knob that allows the movable blade to be manually moved when the fixed blade is not returned to the standby position by the driving force of the motor The knob is opera...

Page 126: ...unted to the frame cover to provide adequate cover strength The printer including the auto cover does not operate normally if the frame cover is not properly closed Therefore the unit has a cover open detection mechanism to determine when the frame cover is not properly closed Fixed blade Movable cutter blade Manual cutter Paper cutter cover ...

Page 127: ...Appendix D 36 Product Overview Rev A Confidential Figure D 46 Frame cover Right frame Cover spring Cover shaft Paper holder ...

Page 128: ...to the right frame The frame cover has a blind linked to this transparent photo sensor that enters a slit in the photo sensor when the frame cover is closed properly interrupting the light rays On the other hand when the frame cover is not all the way closed light from the photo sensor passes through the slit The output level of the photo transistor detects whether the cover is open or not Figure ...

Page 129: ...der and thermal case are fixed to the thermal holder and the thermal frame is supported by the support shafts on the right and left sides A left thermal spring and right thermal spring are attached between the thermal holder and thermal frame pulling the thermal holder in the direction indicated by arrow Hook plate C on the thermal case is linked to the thermal frame and acts against this force to...

Page 130: ...f the thermal case are pulled in the direction of arrow to release the link with hook plate C and the thermal case is rotated in the direction of arrow The transparent photo sensor on the thermal frame detects whether the thermal printer is in the normal position or the position to be rotated Figure D 49 Thermal mechanism cover Thermal case Thermal button Thermal button Thermal holder Photo sensor...

Page 131: ...Appendix D 40 Product Overview Rev A Confidential Figure D 50 Hook plate Hook plate Hook spring Hook spring Right thermal spring Left thermal spring thermal frame ...

Page 132: ...it Impact head Impact mechanism drive unit Main circuit board unit Memory circuit board unit Figure D 51 Note A C autocutter CN8 DKD DM Memory circuit board ROM RAM I F board Power supply unit Maincircuit board assembly Thermal Mechanism Paper feed A C Thermal head CN9 CN18 CN29 Switch CN2 CN22 CN23 CN1 CN27 CN30 CN28 CN6 Panel Switch LED Slip Mechanism Unit Paper feed Carriage Impact head ...

Page 133: ...to the main circuit board and cannot be removed Interface circuit board option CN18 Power supply unit VCC Power supply 5V Power supply Thermal head motor voltage supply Thermal head Thermal paper feed motor G A Memory board Slip transport carriage motor solenoids drive voltage supply Impact head A C 24VA Power supply 24VB Power supply 24VC Power supply I F Board DM SLIP paper feed SLIP carriage Se...

Page 134: ...y be used depending on specifications Circuit also is compatible with 16 Mbits reserved Access Speed 70 ns TableD 3 Font ROM specifications Item Specification Application Mainly for storage of fonts Capacity Standard 4 Mbit 8 Mbits may be used depending on specifications Circuit also is compatible with 16 Mbits reserved Access Speed 70 ns TableD 4 Volatile RAM specifications Item Specification App...

Page 135: ... CPU Peripheral Circuit CPU GA gate array Reset circuit Slip Mechanism Drive Function Impact head drive circuit Platen open close Paper feed motor drive function 000000H 0003FFH 000400H 1FFFFFH 400000H 4000FFH 800000H 8FFFFFH F00000H FFFFFFH CPU I O RAM EXT RAM INT 000C00H 000BFFH Gate Array Font ROM 4M or 8M Program ROM 4M or 8M CS1 0 CS0 0 CS3 0 CS2 0 ...

Page 136: ...er Various detection circuits Thermal Mechanism Drive Function Thermal head drive circuit Paper feed motor drive circuit for thermal unit only Autocutter drive circuit Various detection circuits Input Circuit Logic power circuit DIP switch read circuit Control panel display drive circuit Malfunction protective circuit DM interface circuit ...

Page 137: ...ead thermistor voltage D A Output Port Thermal paper feed motor and carriage motor reference voltage TableD 7 CPU terminals and functions Port Terminal Pin Description Circuit Signal I O I O Definition Name No Name H L DAREFH 1 VCC DAREFL 2 GND DAOUT0 3 For thermal PF current setting THPF_DA OUT 5 256 0 256 DAOUT1 4 For impact CR current setting CR_DA OUT 5 256 0 256 DVCC 5 VCC PC0 6 Paper roll ne...

Page 138: ...REQ for asynchronous communication CLKREQ OUT PF5 RXD1 25 Serial CTS for asynchronous communication CTS IN PF6 CTS1 SCLK1 26 Serial IF_DET for asynchronous communication IF_DET IN DVCC 27 VCC NMI 28 VCC connection VCC IN P86 WAIT 29 HCTS HCTS IN AM0 30 CPU mode setting fixed to 1 CLK 31 Not used NC TEST0 32 Not used GND fixed TEST1 33 Not used GND fixed CLVSS 34 VSS CLVCC 36 VCC DVSS 37 GND X1 38 ...

Page 139: ... OUT Not selected External RAM selected P80 CS0 60 ROM2 FONT CS_GA OUT Not selected GA selected DVCC 61 VCC P76 BUSAK 62 M190 motor drive signal 1 EP_MOTOR1 OUT Not driven Driven P75 BUSRQ 63 M190 motor drive signal 2 EP_MOTOR2 OUT Brake P74 64 Solenoid drive 1 LEVER1 OUT Open Driven P73 65 Solenoid drive 2 LEVER2 OUT Open Driven P72 WRLH 66 External memory write D8 15 WRH OUT P71 WRLL 67 External...

Page 140: ...95 External address bus A18 1 0 P61 A17 96 External address bus A17 1 0 P60 A16 97 External address bus A16 1 0 DVCC 98 VCC P57 A15 99 External address bus A15 1 0 P56 A14 100 External address bus A14 1 0 P55 A13 101 External address bus A13 1 0 P54 A12 102 External address bus A12 1 0 P53 A11 103 External address bus A11 1 0 P52 A10 104 External address bus A10 1 0 P51 A09 105 External address bu...

Page 141: ...6 DKD1 DKD1 OUT OFF ON PH1 TC1 127 DKD2 DKD2 OUT OFF ON PH2 TC2 128 Drawer sensor 1 DKDS1 IN Terminal 24V Terminal GND PH3 TC3 129 DSW1 7 DSW1 7 IN OFF ON DVSS 130 GND PG0 AN0 131 24 VDC monitor 24V_RD IN PG1 AN1 132 Thermal head temperature TH_THERM TH_THERM IN PG2 AN2 133 Impact head temperature IM_THERM IM_THERM IN PG3 AN3 134 MICR data MIRD IN PG4 AN4 135 TOF SLIP_TOF IN PG5 AN5 136 BOF SLIP_B...

Page 142: ...SD_INT SD_INT RTS 8 Synchronous serial RTS RTS RTS PC7 9 Port PC MSL1 MSL1 IN Yes No PC6 10 Port PC MSL2 MSL2 IN Yes No PC5 11 Port PC MSL3 MSL3 IN Yes No PC4 12 Port PC DSW2 1 DSW2 1 IN DSW OFF DSW ON PC3 13 Port PC DSW2 2 DSW2 2 IN DSW OFF DSW ON PC2 14 Port PC DSW2 3 DSW2 3 IN DSW OFF DSW ON VSS1 15 Fixed power source GND PC1 16 Port PC lever timing detector LEVER_DT IN Light received Light blo...

Page 143: ...38 Impact head common changeover HEADCOM1 OUT Driven Blocked PI3 TIMI 39 Timer in input TIMI IN VSS3 40 Fixed power source GND PI2 HEADCOM2 41 Shuttle head common changeover HEADCOM2 OUT Driven Blocked PE5 42 CR motor I10 CR_I10 OUT PE4 43 CR motor I20 CR_I20 OUT PE3 44 CR motor I11 CR_I11 OUT PE2 45 CR motor I21 CR_I21 OUT PE1 46 CR motor PH1 CR_PH1 OUT PE0 47 CR motor PH2 CR_PH2 OUT PD7 48 Slip ...

Page 144: ...Memory R B EJ_R B TEST 70 GA test pin GND A7 71 Address 7 A7 A6 72 Address 6 A6 A5 73 Address 5 A5 A4 74 Address 4 A4 A3 75 Address 3 A3 A2 76 Address 2 A2 A1 77 Address 1 A1 VDD5 78 Fixed power source VCC A0 79 Address 0 A0 D7 80 Data 7 D7 D6 81 Data 6 D6 D5 82 Data 5 D5 D4 83 Data 4 D4 D3 84 Data 3 D3 D2 85 Data 2 D2 D1 86 Data 1 D1 D0 87 Data 0 D0 WR 88 Write WRL OUT RD 89 Read RD IN VSS6 90 Fi...

Page 145: ...gnal from the host interface GACS 93 GA CS CS_GA IN Not selected GA selected PH5 STB1 94 Thermal head strobe 1 TH_STB1 OUT Not selected Block 1 selected PH4 STB2 95 Thermal head strobe 2 TH_STB2 OUT Not selected Block 2 selected PH3 DI1 96 Thermal head block 1 DATA TH_D1 OUT Printed Not printed PH2 DI2 97 Thermal head block 2 DATA TH_D2 OUT Printed Not printed VSS7 98 Fixed power source GND PH1 SC...

Page 146: ...eset signal LOW is applied here the printer is reset In the reset status the CPU and GA are initialized but the power remains on and this status differs from when the power is turned on again It is necessary to keep this in mind The reset circuit is shown below Figure D 54 VCC RESET DSW2 7 DSW2 8 U1 PST596 M R 1 SUB 2 GND 3 VOUT 4 VCC 5 C3 0 1uF 1 2 Q1 DTA114EK 2 3 1 DA1 DAP202 1 3 2 R2 10K 1 2 ...

Page 147: ...lip mechanism are described below Impact head drive Carriage motor drive Paper feed motor drive Lever motor drive Lever drive Various detection circuits Impact Head Drive The impact head drive unit consists of the head solenoid drive and common drive The head drive circuit diagram is shown below Figure D 55 ...

Page 148: ...ned off by D6 D7 is channeled to the solenoid With this printer the head drive signal is controlled by the GA and at the same time the COMMON 24V power source voltage side is chopped enabling efficient head drive The chopping circuit is shown below Figure D 56 The HEADCOM1 common drive signal driven by GA U30 drives the Q7 MOSFET Since it is necessary to drive Q7 at high speed 100 KHz or less a sp...

Page 149: ...alue 0 VCC by firmware RS is the resistance value 0 68 Ω of R78 and R101 Accordingly the current to the motor is calculated by the logic level of I0 I1 judged by VREF1 2 terminal voltage TableD 10 Logical level of terminal I0 I1 and output current I0 I1 Output Current L L VREF 10 Rs H L VREF 15 Rs L H VREF 30 Rs H H 0 24VC VCC PWR M CR_B CR_B CR_A CR_I11 CR_B CR_A CR_PH2 24VSW1 CR_I10 CR_PH1 CR_A ...

Page 150: ... The driving method is 1 2 phase excitation during acceleration and deceleration and constant current drive is performed with 2 2 phase excitation Therefore a dedicated constant current drive chopping driver U17 A2917SEB made by Alegrow is used Figure D 59 The circuit configuration is the same as the carriage motor driver but the current setting is fixed and is changed between two levels by the ou...

Page 151: ... transistor is used for lever motor drive Due to the structure of the lever motor a brake circuit is not required The lever motor is driven using the ELV_M1 output signal from the GA The lever motor rotates when LEV_M1 LOW The motor cannot be driven when the VCC PWR is not being supplied Furthermore the Q41 NPN Darlington transistor incorporates a CE Zener to perform kickback protection Figure D 6...

Page 152: ... and lever B are solenoids driven by 24V Simple drive of lever A and lever B is performed by an NPN Darlington transistor LEVER1 and LEVER2 are output signals from the CPU Lever A Driven by a LOW level of the LEVER1 signal Lever B Driven by a LOW level of the LEVER2 signal Figure D 61 VCC 24VC LEVER LEVER1 LEVER2 LEVER A LEVER B CN30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2...

Page 153: ...r VCC potential voltage ratio of thermistor resistance value and R72 is read by the AD port of the CPU Thermal Head Temperature Head temperature Thermistor VCC potential voltage ratio of thermistor resistance value and R126 is read by the AD port of the CPU Carriage Motor Step Out Mechanism Transparent photo Base of Q50 is driven by voltage drop of load resistor R90 phase data with no delay is tak...

Page 154: ...rmware based DA output of the CPU is used to set the current VREF1 2 terminal voltage The VREF is set by firmware range 0 VCC to control the current Constant current operation is controlled at that current setting The logic level of PH1 2 phase data is changed to drive the circuit TableD 12 Output current I0 I1 Output Current L L VREF 10 Rs H L VREF 15 Rs L H VREF 25 Rs H H 0 VCC PWR2 24VA M PH_B ...

Page 155: ... GA Due to the circuit configuration the six signal lines on the left side all controlled by GA perform data transfers Figure D 63 VCC VCC VCC VCC 24VA TM2 STB1 STB2 GND CLK GND VH LAT GND GND GND VH VH_1 TM1 VH VDD VH_1 GND DI2 VH_1 DI1 TH_STB2 TH_D2 TH_D1 TH_THERM TH_STB1 TH_SCLK TH_LAT R121 U21 C83 1 2 L8 R128 R127 C80 L10 U20 1 2 3 4 5 6 7 8 R126 R130 L11 R140 C82 1 2 C59 R132 L7 CN22 1 2 3 4 ...

Page 156: ... driver Toshiba TA8248K The autocutter is controlled by output signals AC_M1 AC_M2 from the GA U30 Figure D 64 TableD 13 AC_M1 AC_M2 and driver operation AC_M1 AC_M2 Operation L L Off H L Clockwise L H Counterclockwise H H Brake VCC 24VB AC_RESET AC_M2 AC_M1 D2 D3 R34 R35 R32 R33 R27 CN23 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CN7 1 2 3 4 C15 Q5 IN1 IN2 OUTA OUTA VM GND C9 ...

Page 157: ...hrough the R2 fuse resistor KOA RF73B2HTE0 51 R3 may burn out in the event of a malfunction in the U11 area R3 will also burn out in the event of excessive VCC voltage Approx 7 5 V or more This fuse resistor cannot be replaced Therefore the circuit cannot be repaired by replacing the R3 in the event it has burned out due to a circuit malfunction TableD 14 Power source specifications Item Min Typ M...

Page 158: ...ermistor TH1 The power thermistor controls the input current with an in line resistor room temperature 2 2 Ω When the printer circuit begins to operate GA U30 output OUTH is HIGH and Q61 goes On This bypasses TH1 The OUTH signal is connected to the RESET signal internally by the GA causing TH1 to be bypassed when RESET is HIGH The power thermistor TH1 has high resistance at room temperature but th...

Page 159: ...n 24VA 24VSW2 Turned on and off by Q17 GA U30 Thermal system power source thermal head paper feed motor 24VB OUTH GA U30 Impact head drive power source autocutter drive power source MICR read circuit power source Supplied via TH1 when other than OUTH HIGH status Can only be turned off with power switch 24VC 24VSW1 Turned on and off by Q45 GA U30 Slip mechanism power source 24V DM None None DM powe...

Page 160: ... Color Application LED_POWER Green Lights during normal operation LED_ERROR Red Indicates printer error LED_PAPER Red Indicates printer paper status LED_SLIP Green Indicates slip selection 24V DM 24VB 24VC 24VA VCC VCC PWR2 VCC VCC PWR SIN2 1 SIN2 1 MIN1 24VSW1 FG PIN1 24VSW2 24VSW1 VCC_SEN SEN_PWR CN18 1 2 3 SH F1 C41 CN29 1 2 Q24 Q61 TH1 Q46 Q45 R96 R244 R176 C44 C43 C42 D16 Q59 D1 D2 G S D3 D4 ...

Page 161: ...tion The CPU firmware reads a specific GA register at an arbitrary time and compares that value with the value previously read If the results of the comparison are different the system is judged to be operating normally The GA changes the register value using clock oscillation Therefore if it is operating normally the register value continuously changes CPU operation monitor CPU runaway causes a W...

Page 162: ... CN9 and used The optional interface board allows communication with more interfaces Interface Board This printer can accommodate an exchangeable interface board The following types of interface boards can be installed As new interfaces are developed they may become available for this printer UB S01 RS 232C interface UB S02 RS 485 interface UB P02 IEEE 1284 interface DM The EPSON DM series custome...

Page 163: ...rn out Burn out may lead to a malfunction R451002 Littelfuse inc Fuse F3 Fuse provided for safety standard compliance Does not relate to operation Will burn out for short of power line after DM connection SSFR S2 0A F002 SOC CO Ltd Fuse F4 Used to protect against unsafe circuit elements It will burn out in the event of a circuit board problem The problem cannot be corrected by replacing the fuse I...

Page 164: ...IP Switch 1 BPS Bits Per Second TableD 18 DIP switch 1 settings Switch No Function ON OFF 1 Data receive error Ignored printed 2 Receive buffer capacity 45 bytes 4 KB 3 Handshake XON XOFF DTR DSR 4 Bit length 7 bits 8 bits 5 Parity check Yes No 6 Parity selection Even Odd 7 Baud rate selection See table below 8 TableD 19 Baud rate selection Transfer Rate Switch No BPS 7 8 4800 ON ON 9600 OFF ON 19...

Page 165: ... printer to be reset due to the signal line status Therefore it is recommended that these switches are not operated while the power is on Setting the print density to level 3 or level 4 has a tendency to reduce the print speed TableD 20 DIP switch 2 settings Switch No Function ON OFF 1 Handshake operation BUSY condition Receive buffer full Offline or receive buffer full 2 Customer display DM D con...

Page 166: ...terface Specifications There are two DIP switches DIP switch 1 and DIP switch 2 which have different functions DIP Switch 1 TableD 22 DIP switch 1 settings Switch No Function ON OFF 1 Auto carriage return Always valid Always void 2 Receive buffer capacity 45 bytes 4 KB 3 Not defined 4 5 6 7 8 ...

Page 167: ... to level 3 or level 4 has a tendency to reduce the print speed TableD 23 DIP switch 2 settings Switch No Function ON OFF 1 Handshake operation BUSY condition Receive buffer full Off line or receive buffer full 2 Reserved do not change setting Fixed at OFF 3 Printing density selection See table below 4 5 Reserved do not change setting Fixed at OFF 6 Reserved do not change setting Fixed at OFF 7 Re...

Page 168: ... Service Manual Confidential Self Test The self test confirms the following items Functioning of control circuit Functioning of printer mechanism Print quality Control software version DIP switch settings Refer to Troubleshooting in Chapter 1 for details ...

Page 169: ... desired format in page mode Receipt Unit Highest printing speed in industry enables batch receipt printing High speed graphic printing capability Standard autocutter minimizes operator work load Drop in loading of paper rolls Overall Sleek design compact size Can connect to customer display DM D serial interface model only Command system complies with ESC POS ASB Automatic Status Back function au...

Page 170: ...al direction Character Dimensions Defaults Font A TableD 25 Character dimensions printed digits characters per inch Character Configuration W x H Character Dimensions W x H mm Dot Spacing Between Characters Printed Digits CPL Characters Per Inch CPI Font A 5 9 1 56 3 1 1 dot 45 13 3 Font B 7 9 1 24 3 1 2 half dots 60 17 8 TableD 26 Type of characters Type of Characters Number of Characters Alphanu...

Page 171: ...fluenced by the ambient temperature Therefore make sure to use the unit at the indicated guaranteed temperature Ribbon Cassette Use the following dedicated ribbon cassette for slips TableD 28 Copy paper thickness Type Paper Thickness Thick Paper 0 07mm 0 12 mm Copy Original 0 04mm 0 07 mm Carbon Paper Approx 0 035 mm Total Thickness 0 09mm 0 31 mm TableD 29 Copy Capacity Number of Copies Guarantee...

Page 172: ...n at 24V 31 C density level 2 Max 140 mm sec approx 5 5 inches sec Automatically changed over depending on voltage received by printer and head temperature conditions Paper feed rate Approx 140 mm sec approx 5 5 inches sec for continuous paper feed Carriage return 4 23 mm 1 6 inch default Can be set by command Character Specifications Character type Character configuration TableD 31 Type of charac...

Page 173: ... printing stop can be selected by command upon detection of a near end Paper Specifications Type of paper Designated pressure sensitive paper Form Roll Paper width 79 5 mm 0 5 mm TableD 33 Character size Standard Double Vertical Double Horizontal Four Times Standard W H mm Digits W H mm Digits W H mm Digits W H mm Digits Font A 12 24 1 41 3 39 42 1 41 6 77 42 2 82 3 39 21 2 82 6 77 21 Font B 9 17 ...

Page 174: ...ls where the paper is glued to the core TableD 35 Outer dimensions Item Specifications Diameter Max φ 83 mm Width Wind Up Dimension 80 0 5 1 0 mm TableD 36 Designated paper specifications Country Manufacturer Japan NAKAGAWA MFG LTD North America NAKAGAWA MFG USA Inc Europe NAKAGAWA MFG EUROPE Gmbh Southeast Asia N A K MFG MALAYSIA SDN BHD TableD 37 Pressure sensitive paper can be used instead of d...

Page 175: ... 10 90 RH Storage 10 90 RH excluding paper ribbon TableD 38 Internal buffer capacity Buffer Capacity Receive Buffer 45 bytes or 4 KB selected by DIP switch Download Buffer For download characters download bit images For receipts 12 KB For slips Approx 3 KB Macro Buffer 2 KB NV Bit Image Storage Area 384 KB User NV Memory 1 KB TableD 39 Current consumption Mode Current Consumption Operation Slips A...

Page 176: ... When the cover is open paper side cover open selected by ESC c 0 During paper feed with the paper FEED button When printing is stopped due to no paper only when there is no paper roll When an error occurs Bidirectional Parallel Interface IEEE 1284 The interface is Centronics compatible and meets the specifications for IEEE 1284 bidirectional communications TableD 40 RS 232C serial interface speci...

Page 177: ...ower source status When an error occurs RS 485 Serial Interface The RS 485 serial interface is a dealer option Specifications RS 485 compliant TableD 41 Bidirectional parallel interface specifications Item Specifications Data Transfer Method 8 bit parallel Synchronization By externally supplied Strobe signal Handshake By Ack signal and Busy signal Signal Level All signals are TTL compatible Connec...

Page 178: ...annot be received Online offline This printer does not have an online offline switch It goes offline in the following cases Period after power on during which mechanisms are initialized until communication can be performed During execution of self test When the cover is open During paper feed with the paper FEED button When printing is stopped due to no paper only when there is no paper roll Parit...

Page 179: ... paper roll near end detector While waiting for switch during macro execution During temporary abnormal power source status When an error occurs During receive buffer full status 1 1 The receive buffer full status is the time from when available buffer space is 16 bytes until it exceeds 26 bytes Note When the available receive buffer area is 0 bytes received data is ignored ...

Page 180: ... transmission pulley PULLEY CARRIAGE TRANSMISSION 1 F 4 630 Caution seal SEAL CAUTION 1 F 1 115 Circuit board FFC FFC CIRCUIT BOARD 2 F 1 209 Clamp CLAMP 1 F 1 110 Connector plate type AA PLATE CONNECTOR AA 1 F 1 116 Connector plate type BA PLATE CONNECTOR BA 1 F 1 A Cover open detector lead wire LEAD WIER COVER OPEN DETECTOR 1 F 6 543 Cover shaft SHAFT COVER 2 F 6 524 Cover spring SPRING COVER 2 ...

Page 181: ...675 Head caution seal SEAL CAUTION HEAD 2 F 6 513 Hexagon lock screw inch type HEXAGON LOCK SCREW 2 F 1 144 Hexagon lock screw millimeter type HEXAGON LOCK SCREW 2 F 1 144 Hexagon nut 3 H N 1 3 F ZN 1 F 6 537 Hook plate PLATE HOOK 2 F 1 129 Hook spring SPRING HOOK 2 F 1 133 IC cover IC COVER 1 F 1 111 Intermediate cable type A CABLE INTERMEDIATE A 1 F 4 698 Intermediate cable type B CABLE INTERMED...

Page 182: ... Lever drive coil type A COIL LEVER DRIVE A 1 F 3 620 Lever drive coil type B COIL LEVER DRIVE B 1 F 3 621 Lever drive motor assembly MOTOR LEVER DRIVE ASSEMBLY 1 F 3 659 Lever drive motor detector plate DETECTOR PLATE LEVER DRIVE MOTOR 1 F 3 613 Lever drive shaft assembly LEVER DRIVE SHAFT ASSEMBLY 1 F 3 665 Lever drive shaft gear GEAR LEVER DRIVE SHAFT 1 F 3 616 Lever drive transmission gear GEA...

Page 183: ...ER 1 F 6 534 Paper cutter motor sub assembly MOTOR PAPER CUTTER SUB ASSEMBLY 1 F 6 529 Paper detector assembly PAPER DETECTOR ASSEMBLY 1 F 6 510 Paper ejection detector assembly PAPER EJECTION DETECTOR ASSEMBLY 1 F 2 663 Paper ejection detector cable assembly type A CABLE ASSEMBLY PAPER EJECTION DETECTOR A 1 F 3 701 Paper ejection detector cable assembly type B CABLE ASSEMBLY PAPER EJECTION DETECT...

Page 184: ... PLATEN 1 F 6 503 Platen spring SPRING PLATEN 2 F 5 603 Power switch cable assembly POWER SWITCH CABLE SET 1 F 1 207 Power switch cover COVER POWER SWITCH 1 F 1 145 Press head spring SPRING PRESS HEAD 2 F 6 506 Pressurizing plate PLATE PRESSURIZING 1 F 6 519 Print head unit Eb PRINT HEAD UNIT EB 1 F 4 662 R cover detector cable assembly CABLE ASSEMBLY R COVER DETECTOR 1 F 3 703 Receipt paper feed ...

Page 185: ... C S TITE SCREW 2 5 5 F ZN 2 F 2 3 690 screw C C S tite 3X6 C C S SCREW M3X6 3 F 1 105 screw C P P tite 3X12 C P P TITE SCREW 3X12 F ZN 1 F 4 607 screw C P S tite 0 3X6 C P S TITE 0 3X6 F ZN 9 F 1 3 107 screw C P S tite P4 3X6 C P S TITE P4 3X6 F ZN 5 F 4 731 screw C P S tite 3X6 C P S TITE SCREW 3X6 F ZN 2 F 1 C screw C P T B 3X10 C P T B SCREW 3X10 F ZN 7 F 1 103 Sensor circuit board assembly SE...

Page 186: ...tch panel cable CABLE SWITCH PANEL 1 F 1 210 Switch panel circuit board assembly SWITCH PANEL CIRCUIT BOARD ASSEMBLY 1 F 1 208 Switch panel label LABEL SWITCH PANEL 1 F 1 146 Switch panel unit SWITCH PANEL UNIT 1 F 1 124 Switch screw SCREW SWITCH 1 F 6 549 Table holder HOLDER TABLE 1 F 1 138 Thermal button BUTTON THERMAL 2 F 1 134 Thermal case CASE THERMAL 1 F 1 123 Thermal cushion CUSHION THERMAL...

Page 187: ...CER 2 F 1 114 Caution seal SEAL CAUTION 1 F 1 115 Connector plate type AA PLATE CONNECTOR AA 1 F 1 116 Rubber foot RUBBER FOOT 3 F 1 117 Lower case CASE LOWER 1 F 1 118 Upper case CASE UPPER 1 F 1 119 Front case CASE FRONT 1 F 1 120 Ribbon cassette cover COVER RIBBON CASSETTE 1 F 1 121 Main plate sub assembly PLATE MAIN SUBU ASSEMBLY 1 F 1 122 Thermal case CASE THERMAL 1 F 1 123 Switch panel unit ...

Page 188: ...F 1 205 Intermit circuit board cable CABLE INTERMIT CIRCUIT BOARD 1 F 1 206 Power switch cable assembly POWER SWITCH CABLE SET 1 F 1 207 Switch panel circuit board assembly SWITCH PANEL CIRCUIT BOARD ASSEMBLY 1 F 1 208 Circuit board FFC FFC CIRCUIT BOARD 2 F 1 209 Switch panel cable CABLE SWITCH PANEL 1 F 1 210 Thermal mechanism assembly M H6000 THERMAL MECHANISM ASSEMBLY M H6000 1 F 1 500 E ring ...

Page 189: ...1 F 6 533 Paper cutter lead wire LEAD WIRE PAPER CUTTER 1 F 6 534 Micro switch MICRO SWITCH 1 F 6 535 Screening plate PLATE SCREENING 1 F 6 536 Hexagon nut 3 H N 1 3 F ZN 1 F 6 537 E ring 1 5 RETAINING RING TYPE E 1 5 1 F 6 538 E ring 2 RETAINING RING TYPE E 2 F UC 2 F 6 539 screw C B S tite F 3X6 C B S TITEF 3X6 F ZN 13 F 6 540 Sensor circuit board assembly SENSOR CIRCUIT BOARD ASSEMBLY 1 F 6 541...

Page 190: ...haft SHAFT FORM STOPPER 1 F 3 618 Form stopper spring SPRING FORM STOPPER 1 F 3 619 Lever drive coil type A COIL LEVER DRIVE A 1 F 3 620 Lever drive coil type B COIL LEVER DRIVE B 1 F 3 621 Nose guide GUIDE NOSE 1 F 4 622 Platen lever LEVER PLATEN 1 F 5 623 Platen lever spring SPRING PLATEN LEVER 1 F 5 624 Platen lever shaft SHAFT PLATEN LEVER L 2 F 5 625 Platen lever drive cam CAM PLATEN LEVER DR...

Page 191: ...Ribbon reduction gear GEAR RIBBON REDUCTION 1 F 4 656 Ribbon intermediate gear GEAR RIBBON INTERMEDIATE 1 F 4 657 Platen adjustment screw SCREW PLATEN ADJUSTMENT 2 F 5 658 Lever drive motor assembly MOTOR LEVER DRIVE ASSEMBLY 1 F 3 659 Sub slip feed lever sub assembly LEVER SUB SLIP FEED SUB ASSEMBLY 1 F 3 660 Print head unit Eb PRINT HEAD UNIT EB 1 F 4 662 Paper ejection detector assembly PAPER E...

Page 192: ...C 2 F 2 3 689 screw C C S tite 2 5X5 C C S TITE SCREW 2 5 5 F ZN 2 F 2 3 690 screw C B S tite F 3X6 C B S TITEF 3X6 F ZN 22 F 2 3 4 691 J S change gear J S CHANGE GEAR 1 F 2 692 Paper feed reduction gear PAPER FEED REDUCTION GEAR 1 F 2 693 Crank shaft holder CRANK SHAFT HOLDER 2 F 3 694 Paper feed trigger claw spring PAPER FEED TRIGGER CROW SPRING 3 2 F 3 695 Paper feed trigger attraction plate PA...

Page 193: ...B P TITE SCREW 3X8 F ZN 1 F 3 722 Slip hold roller sleeve SLEEVE SLIP HOLD ROLLER 1 F 2 723 Slip hold roller spring SPRING SLIP HOLD ROLLER 1 F 2 724 Gear train cover COVER GEAR TRAIN 1 F 4 725 Intermediate circuit board cover COVER INTERMEDIATE CIRCUIT BOAD 1 F 4 726 Sub slip hold sleeve SLEEVE SUB SLIP HOLD 2 F 3 727 Intermediate cable tube TUBE CABLE INTERMEDIATE 1 F 4 728 screw C B 2 6X4 C B 2...

Page 194: ... 134 101 101 110 106 142 208 600 101 109 112 113 114 134 109 113 114 108 122 205 106 108 128 500 105 126 131 125 105 132 106 204 103 103 203 106 206 137 130 106 127 117 115 207 118 117 117 103 141 145 103 106 136 138 107 107 107 107 144 B Y A 107 107 107 107 201 209 106 106 106 111 119 139 120 124 103 104 210 121 129 146 133 133 129 202 112 116 ...

Page 195: ...x F 2 TM H6000 H6000P Service Manual Confidential Mechanism Assembly 690 633 702 730 663 608 730 681 609 637 686 615 682 686 626 704 721 720 719 664 730 609 723 724 691 682 691 638 638 606 691 686 638 639 686 647 692 689 686 693 635 ...

Page 196: ...09 691 654 671 713 714 715 645 648 727 612 611 691 691 691 691 696 620 621 695 695 608 608 667 691 691 646 605 668 608 707 708 709 691 701 673 703 710 711 712 672 691 691 636 684 639 686 609 694 688 634 686 706 705 659 641 660 619 684 617 644 690 203 107 689 618 666 614 613 729 616 694 691 665 653 722 727 ...

Page 197: ... TM H6000 H6000P Service Manual Confidential Carriage Assembly 607 622 662 685 602 631 731 675 685 685 627 674 632 725 680 656 657 601 685 602 630 718 716 717 604 610 677 604 731 731 697 628 698 691 731 726 699 676 700 688 629 728 691 691 ...

Page 198: ...Rev A Exploded Diagrams Appendix F 5 TM H6000 H6000P Service Manual Confidential PF Assembly 687 679 625 642 686 683 686 603 603 623 678 686 669 658 658 649 650 643 639 683 625 651 624 652 670 687 640 ...

Page 199: ...al Thermal Mechanism 548 548 540 546 529 549 540 532 534 535 533 540 536 544 540 540 540 513 516 509 505 540 502 545 538 537 504 542 508 502 522 515 517 519 506 525 510 547 540 514 502 527 502 540 524 543 540 541 501 503 539 518 539 521 507 511 520 524 513 512 526 528 523 523 530 ...

Page 200: ...Confidential Rev A General Lubrication Points Diagrams Appendix G 1 TM H6000 H6000P Service Manual Appendix G General Lubrication Points Diagrams TM H6000 H6000P G 48 G 48 ...

Page 201: ...Confidential Rev A General Lubrication Points Diagrams Appendix G 2 TM H6000 H6000P Service Manual Mechanism Assembly G 36 G 36 G 48 ...

Page 202: ...Confidential Rev A General Lubrication Points Diagrams Appendix G 3 TM H6000 H6000P Service Manual Frame Assembly G 36 G 36 G 36 G 36 G 48 G 48 G 48 G 48 G 48 G 48 G 48 G 36 ...

Page 203: ...ntial Rev A General Lubrication Points Diagrams Appendix G 4 TM H6000 H6000P Service Manual Carriage Assembly G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 G 36 O 10 O 10 G 36 G 36 O 10 ...

Page 204: ...Confidential Rev A General Lubrication Points Diagrams Appendix G 5 TM H6000 H6000P Service Manual PF Assembly G 36 ...

Page 205: ...Confidential Rev A General Lubrication Points Diagrams Appendix G 6 TM H6000 H6000P Service Manual Thermal Assembly Z G 19 G 19 G 15 G 15 ...

Page 206: ... Unit Circuit Diagrams Appendix H 1 TM H6000 H6000P Service Manual Confidential Appendix H Circuit Board Unit Circuit Diagrams Main circuit board assembly outline Thermal block page H 6 page H 4 page H 5 page H 2 page H 3 ...

Page 207: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 2 TM H6000 H6000P Service Manual Confidential Main circuit board assembly 1 of 4 ...

Page 208: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 3 TM H6000 H6000P Service Manual Confidential Main circuit board assembly 2 of 4 ...

Page 209: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 4 TM H6000 H6000P Service Manual Confidential Main circuit board assembly 3 of 4 ...

Page 210: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 5 TM H6000 H6000P Service Manual Confidential Main circuit board assembly 4 of 4 ...

Page 211: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 6 TM H6000 H6000P Service Manual Confidential Main circuit board assembly Thermal block ...

Page 212: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 7 TM H6000 H6000P Service Manual Confidential Main circuit board assembly Memory block ...

Page 213: ...V 5V C1 VCC 16 C2 4 C2 5 R1I 13 R2I 8 T1O 14 T2O 7 GND 15 V 2 C1 1 C1 3 R1O 12 R2O 9 T1I 11 T2I 10 V 6 U1 C2 C7 DSR SD RD DTR FG 1 SD SD1 2 RD SD2 3 RS RD1 4 RD2 5 DR INIT1 6 SG 7 DR1 8 DR2 9 CS1 10 CS2 11 12 13 14 15 16 17 18 19 ER 20 21 22 23 24 INIT2 25 SHELL 0 CN1 SG RTS TO HOST C3 DTR SD DSR RD 1 2 V SG RTS DTR SD RD 5V 5 V 5 V SG RTS SG DSR_RESET 25_RESET C5 R1 R21 Q1 RD SD DTR R T S 5V SG S...

Page 214: ...Rev A Circuit Board Unit Circuit Diagrams Appendix H 9 TM H6000 H6000P Service Manual Confidential Parallel I F Circuit Board Assembly UB P02 Circuit Diagram ...

Page 215: ...22 23 24 INIT2 25 SHELL 0 CN1 FG TO HOST R6 R3 R11 R4 1 2 3 4 8 7 6 5 U1 R10 R5 CS1 CS1 CS2 CS2 DR1 DR2 RD1 RD2 SD1 SD2 5V 5V CTS CTS SD RD 5 V SG SG DR DR C5 R17 R16 R18 DK 1 1 DK S 2 PG 3 PG 4 24V 5 24V 6 PG 7 HOST_RTS 8 CTS 9 DET 10 RTS 11 CLKIN DTR 12 CLKREQ 13 SG 14 5V 15 DK 2 16 DK G 17 DK P 18 PG 19 24V 20 24V 21 PG 22 SG 23 SD 24 RD 25 RES 26 25_RESET 27 DSR_RESET 28 RESET 29 SG 30 CN2 5 V...

Page 216: ...ower cord from the outlet immediately to avoid fire or shock You can use the enclosed power switch cover to make sure that the power switch is not accidentally pressed The illustration below shows the power switch cover installed Figure I 1 Power switch cover If you need to turn the power on or off when the cover is installed you can insert a thin tool into one of the holes in the cover to operate...

Page 217: ...ed to install a paper roll even if you are using only the slip section of the printer Note Do not use paper rolls that have the paper glued or taped to the core because they might cause a paper jam 1 To prevent data loss make sure that the printer is not receiving data 2 Open the paper roll cover by lifting up the two tabs on the paper roll cover and then pushing the cover back 3 Remove the used p...

Page 218: ...I 3 TM H6000 H6000P Service Manual Confidential 4 Insert the paper roll as shown Figure I 3 Inserting the paper roll 5 Be sure to note the correct direction that the paper should come off the roll Figure I 4 Correct direction ...

Page 219: ...nter Figure I 5 Pulling out a small amount of paper Installing the Ribbon Cassette To install the ribbon cassette for the first time or to replace a used ribbon follow the steps below Note Be sure to turn on the power before installing a ribbon cassette 1 Unpack the ribbon cassette and turn the knob in the direction shown to take up any slack Figure I 6 Turning the knob knob ...

Page 220: ... Confidential 2 Open the front cover of the printer using the tabs on each side of the cover Figure I 7 Opening the front cover 3 Remove the old ribbon if there is one 4 Insert the new ribbon cassette as shown Figure I 8 Inserting the new ribbon cassette tab ...

Page 221: ... slip unit to see if the ribbon is in the correct place See below Figure I 9 Making sure if the ribbon is seated correctly 6 Close the front cover of the printer EPSON recommends the use of genuine EPSON ribbon cassettes Ribbon cassettes not manufactured by EPSON may cause damage to your printer that is not covered by EPSON s warranties edge of ribbon cassette ...

Page 222: ...eck for MICR reading or endorsement insert the check as shown with the side with the MICR characters facing up and with the MICR characters on the right side and the check against the right side of the paper guide as shown below Figure I 11 Inserting a check Adjusting the Roll Paper Near End Detector The paper near end detector detects when paper is almost gone by measuring the diameter of the pap...

Page 223: ...e the paper roll 2 Loosen the adjusting screw with a coin and carefully move the detecting lever up Figure I 12 Adjustment screw and detecting lever 3 Tighten the adjusting screw and check to be sure that the detecting lever moves freely 4 Replace the paper roll Using the Control Panel Most of the functions of this printer are governed by software but you can monitor the printer s status by lookin...

Page 224: ... can be adjusted to warn you that the printer is nearly out of paper See Appendix A if you want to adjust this detector This light blinks during the self test printing standby state or macro execution standby state when the macro execution command is used SLIP This light blinks when the printer is ready to receive slip paper It stays on during printing on slip paper and blinks again when slip pape...

Page 225: ...I 10 Printer Handling Rev A Confidential ...

Page 226: ...on Table J 1 Screw types Head top Head side Body Washer assembled C Cross P Pan B Bind C Cup S tite B tite P tite T B S Spring lock washer S P1 S P2 S P3 S P4 Spring lock washer plain washer O Outside toothed lock washer P1 P2 P3 P4 Plain washer O P1 Outside toothed washer plain washer Head top Head side Washer assembled Body ...

Page 227: ...Appendix J 2 Screw Types Rev A Confidential ...

Page 228: ...Rev A Parts Layout K 1 TM H6000 H6000P Service Manual Confidential Appendix K Parts Layout Main Circuit Board Unit parts side memory board ...

Page 229: ...K 2 Parts Layout Rev A Confidential Main Circuit Board Unit solder side memory board ...

Page 230: ... Circuit Board Assembly UB S01 Parallel I F Circuit Board Assembly UB P02 RS 485 I F Circuit Board Assembly UB S02 C5 15 14 30 29 1 2 16 17 R7 U1 1 1 R1 TP1 R9 13 25 1 14 R2 CN1 R3 R CMK G2X R4 U2 R11 R12 R13 R8 R15 TP2 R5 R18 R14 R16 R19 R17 R10 R6 CN2 R S 4 8 5 3 0 P B O A R D ...

Page 231: ...K 4 Parts Layout Rev A Confidential ...

Page 232: ...SEIKO EPSON CORPORATION Printed in Japan ...

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