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5

1.1 

General Safety

This service manual is intended for qualified service and maintenance personnel. Further information to the operation 

of the device can be found the Operator's and Configuration Manuals.

The following rules are for your general safety

• 

Keep the area during and after maintenance operations clean.

• 

Work safety conscientious.

• 

Keep dismounted parts secure during maintenance operations.

• 

Avoid tripping hazards.

N

Danger!

Double-pole or neutral conductor safety.

Danger!

Danger of electrocution wenn stronger currents are used by connected metallic parts.

 

Do not wear clothing with metal.

 

Do not wear jewelry.

 

Do not wear glasses with a metal frame.

!

Warning!

Loose clothing can get caught in rotating parts of the device and can lead to injury.

 

When operating the device avoid wearing clothing that can get caught in rotating parts.

1.2 

Safety Markings

!

Warning!

Waring of injury due to missing or damaged safety markings.

 

After maintenance operations reapply all protective parts, markings, covers, grounding cables, etc.

 

Replace all defective or damaged parts.

Wear safety goggles when:

• 

knocking in or out pins or similar parts with a hammer

• 

using spring hooks

• 

installing or removing springs, safety rings gripping rings

• 

using abrasive, cleaners, solution or other chemicals

1 Introduction

Summary of Contents for MACH 4.3S/200B

Page 1: ...Made in Germany Service Manual MACH 4S Label Printer ...

Page 2: ...ducts discrepancies between documentation and products can occur Please check www cab de for the latest update Terms and conditions Deliveries and performances are effected under the General conditions of sale of cab Service Manual for the following product Germany cab Produkttechnik GmbH Co KG Postfach 1904 D 76007 Karlsruhe Wilhelm Schickard Str 14 D 76131 Karlsruhe Telefon 49 721 6626 0 Telefax...

Page 3: ... 2 9 Changing the Drive of the Cutter 15 2 10 Changing the Blade of the Cutter Unit 16 2 11 Changing the Circuit Board 17 2 12 Changing the Power Supply 18 3 Adjustments 19 3 1 Measuring the Winding Force 19 3 1 1 Testing the Winding Force of the Clutch and Break of the Ribbon 19 3 1 2 Measuring the Breaking Force of the Unwinder 20 3 2 Setting the Winding Force 21 3 3 Adjusting the Print Mechanis...

Page 4: ...isk which if not avoided may result in death or serious injury Caution Draws attention to a danger with low risk which if not avoided may result in minor or moderate injury Attention Draws attention to potential risks of property damage or loss of quality i Note Advices to make work routine easier or on important steps to be carried out Environment Gives you tips on protecting the environment Hand...

Page 5: ...allic parts X X Do not wear clothing with metal X X Do not wear jewelry X X Do not wear glasses with a metal frame Warning Loose clothing can get caught in rotating parts of the device and can lead to injury X X When operating the device avoid wearing clothing that can get caught in rotating parts 1 2 Safety Markings Warning Waring of injury due to missing or damaged safety markings X X After main...

Page 6: ...f power units Altering anything to do with the circuitry Check that the device is not live Check the work area for any potential hazards such as damp or wet floors defective extension cords or protective conductors Additional precautions when dealing with open voltage supply Request a second person to stay in the vicinity and operate the emergency powers or mains switch if and when required Only u...

Page 7: ...e removed from the device When changing the to the other panels the dispensing edge must be mounted 2 6 on page 12 3 2 1 4 5 2 3 Fig 1 Changing the control panel 1 Fold the control panel 4 down 2 Steady the device with one hand and pull the control panel along axis 3 sturdily releasing it from its retainer 2 3 Take hold of the control panel over the second axis and pull it until it is released fro...

Page 8: ...te until the device has discharged 1 1 1 2 3 1 Fig 2 Dismounting the cover The printer cover can be dismounted completely including the front lid 1 Open the printer cover 2 and remove the roll and material retainer 2 Loosen 4 screws 1 3 Remove the cover 3 with the lid 2 To mount the cover and lid follow the above order in reverse To make the implementation of the parts easier fold the printing mod...

Page 9: ...uit board 5 Disconnect the ground wire 6 from the from CPU circuit board by undoing the screw 5 6 After loosening the two screws 2 slide and raise the print mechanism backwards until it with the screws 2 can be lifted out of the adjustment slots 7 7 Slide the new printing mechanism with the bracket 9 into the guides 8 Place the adjustment slots 7 onto the screws 2 pushing the unit forward until th...

Page 10: ... 3 4 1 Connector data 2 Connector power 3 Threaded holes 4 Heating element Fig 4 Assembly of the printhead Attention Damaging the printhead by electrical discharge or mechanical influences X X Set up the printer on an grounded conduit X X Ground yourself with e g an anti static bracelet X X Do not touch the connectors 1 2 X X Do not touch the heating element 4 with hands or hard objects 2 Changing...

Page 11: ...s 12 of the printhead retainer 6 6 First remove the power cable 16 and then the data cable 15 Installing the printhead 7 Connect the data cable 15 then the power cable 16 to the new printhead 8 Fasten the printhead 13 with the screws 12 to the printhead retainer 6 9 Place the printhead retainer 6 with the loop into the guide 11 and push it upward against the springs 10 where the springs should lan...

Page 12: ... 5 and remove the dispensing edge 3 from the roller locking mechanism 4 5 Insert the dispensing plate 3 into the roller locking mechanism 4 of the new print roller and push the new roller locking mechanism 6 onto the print roller and the dispensing edge Attention When exchanging the control panel B or P with control panel C 2 2 on page 7 the dispensing edge must be removed prior to the exchange X ...

Page 13: ...er on its side 3 Undo the snap ring 3 and remove clutch 4 form disks 5 7 friction disk 6 springs 9 and tension wheel 11 Mounting 1 Place the springs 9 into the frame 10 2 Place and hold the tension wheel 11 into the frame 3 Set the form disks 7 in line with the retainers 8 of the frame 4 Place the friction disk 6 form disks 5 and clutch 4 as illustrated 5 Push the clutch and tension wheel against ...

Page 14: ...e retainer 6 Push the mounting assistance against the printhead assembly group and turn it counter clockwise until the lock washer 7 releases and can be taken out 5 Take off the retainer 6 spring 12 from disks 9 11 friction screw 10 and pivot arm 5 6 Set the new parts according to the illustration Attention X X Place the lock washer 7 with its markings to the outside 7 Turn the lock washer 7 with ...

Page 15: ... 3 3 Disconnect the plug 7 4 Undo and remove the nuts 11 screws 9 with connecting rods and bearings 5 Unlock the eccentric 10 from the shaft 6 6 Lift out shaft 6 with the drive 8 from the base plate 12 7 Pull the drive 8 from shaft 6 8 To reconstruct the assembly follow these instructions in the reverse order Place the drive into the adjustment slot of the base plate 10 Attention X X Align the pin...

Page 16: ...move the bottom blade 4 Loosen the three screws 8 and take off the top blade and the material guide 10 5 Screw a new top blade and paper guide 11 to the base plate 6 Screw a new bottom blade to the bracket 12 i Note If only the top blade 9 needs to be replaced the camp 12 with the bottom blade 6 can be hinged up from the top blade by turning the screw 7 with a hexagonal key 2 5 mm Danger Danger of...

Page 17: ...e printer from the power supply 3 Disconnect all interface cables from the back of the printer 4 Remove all removable storage mediums 5 Remove the printer cover 2 3 on page 8 6 Disconnect all push on connectors 3 7 9 from the CPU circuit board 7 Remove the four screws 2 of the circuit board 8 Insert the new CPU circuit board 1 with the previous four screws 2 whilst connecting the ground wire 8 9 R...

Page 18: ...issipated 1 2 2 2 3 Fig 12 Changing the power supply 1 Remove the printer from the power supply 2 Dismount the cover with the lid 2 3 on page 8 3 Remove the CPU circuit board 2 11 on page 17 4 Pull off the push on connectors 3 5 Undo three screws 2 6 Dismount the power supply 1 7 Insert the new power supply 1 and fasten it with screws 2 8 Connect the push on connector 3 9 Reassemble the CPU circui...

Page 19: ...ring tip must be placed in the grove of the ribbon retainer for a true result 2 Close the printhead assembly group and employ the spring scale connecting it to the rewinder with the test device 3 inserted 3 To measure the clutch force wind the string around the test device 3 numerous times as illustrated in A 4 Connect the spring scale 10 N 1 to the end of the string and move it upwards vertically...

Page 20: ...ribbon retainer for a true result 2 Open the printhead assembly group and insert the ribbon retainer 2 with the inserted test device 3 onto the rewinder 3 To measure the breaking force wrap the string around the test device 3 as illustrated in C 4 Connect the spring scale 10 N 1 to the end of the string and pull it upwards vertically until the test device starts to turn 5 Pull until the test devic...

Page 21: ...ve the cover 7 3 Hold the ribbon retainer push holder 2 towards the frame 1 turning it to the desired position and let go taking note that the straps of the locks 3 are all the way in the provided gaps 4 Test the winding force again and compare it to the these to the test values and correct if necessary 5 refasten the cover 7 with three screws 8 i Note The numbers of the retainer 2 are not setting...

Page 22: ...zontal settings 1 Turning the screw clockwise will move the printhead forward Turning the screw counter clockwise will move the printhead backwards For an optimal image the heat element must be set to align to the highest point of the pressure roller In this position the print image blackening is at its best Besides that this setting allows the realignment of horizontal lines with the dispensing e...

Page 23: ...s light By doing misalignments become easy to spot 9 Test via a grind print increasing the pressure of the side of the printhead where the image is lighter This is achieved by turning the screw 6 counter clockwise by about a quarter revolution or until the printed image appears evenly printed 10 Turn screw 1 counter clockwise and push the printhead backwards until the printed image almost disappea...

Page 24: ...y change the interface cable In case of complete outage exchange the CPU circuit board A peripheral device does not work Check if the peripheral device is connected via programming Ensure the USB cable of the peripheral device is working and exchange it if necessary Test the peripheral device Exchange the CPU circuit board Table 1 Failure of device functions 4 2 Permanently Occurring Hardware Erro...

Page 25: ...25 5 Block Diagram Printer Nr 1 MACH 4S 300 5977444 MACH 4S 600 5977380 MACH 4 3S 200 5977382 MACH 4 3S 300 5977383 Fig 17 Block diagram ...

Page 26: ... C2 C28 C163 AC D14 R71 CON4 R108 V R136 C187 C307 R166 1 L90 V13 V7 C164 C5 5 R280 F R77 C308 L25 R160 C213 C160 15 C207 2 R253 V21 R139 C42 C204 1 R163 C169 L42 L80 TOP6 C268 CON17 10 C15 R209 R78 C271 3 L14 FD3 C170 N1 R98 C196 20 1 P4 CON9 C225 C209 C309 1 U4 R171 L66 H1 R31 C171 K 8 L1 C313 25 R85 E C310 T R172 K B5 C27 C351 C172 R150 L30 C352 L R2 C325 C220 C311 L59 R227 V9 C168 AA C112 7 R5...

Page 27: ...ive of the cutter 15 Changing the power supply 18 Changing the printhead 10 Changing the print mechanism 9 Changing the print roller 12 D Dismounting the cover 8 F Failure of device functions 24 G General safety 5 M Measuring the breaking force of the unwinder 20 Measuring the winding force 19 P Permanently occurring hardware errors 24 S Safety markings 5 Settings 23 Setting the winding force 21 T...

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