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CAB XC Q Service Manual

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Service Manual
Label Printer
XC Q
MADE IN GERMANY

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Summary of Contents for CAB XC Q

  • Page 1 Service Manual Label Printer XC Q MADE IN GERMANY...
  • Page 2 Edition: 11/2023 - Part No. 9004019 Copyright This documentation as well as translation hereof are property of cab Produkttechnik GmbH & Co. KG. The replication, conversion, duplication or divulgement of the whole manual or parts of it for other intentions than its original intended purpose demand the previous written authorization by cab.

  • Page 3: Table Of Contents

    Table of Contents Introduction ............................4 Instructions ............................... 4 General Safety Instructions ........................4 Protective Devices ........................... 5 Handling Electricity ..........................5 Procedure in Case of Accidents ......................5 Environment ............................. 5 Tools ................................ 6 Replacing Assembly Units ........................7 Replacing the Printhead ...........................

  • Page 4: Introduction

    Introduction Instructions Important information and instructions in this documentation are designated as follows: Danger! Draws attention to an exceptionally great, imminent danger to your health or life due to hazardous voltages. Danger! Draws attention to a danger with high risk which, if not avoided, may result in death or serious injury. Warning! Draws attention to a danger with medium risk which, if not avoided, may result in death or serious injury.

  • Page 5: Protective Devices

    Introduction Protective Devices Warning! There is a risk of injury if protective devices are missing or defective.  Replace all protective devices (covers, safety notices, grounding cables etc) after maintenance work has been completed.  Replace parts that have become defective or unusable. Wear protective goggles for: •...

  • Page 6: Tools

     Do not use any worn of damaged tools.  Only use tools and testing devices that are suitable for the task at hand. cab special tools: Test collar for transfer ribbon winder (cab Part-No. 5540932) • Distance caliber 0,1 mm (cab Part-No. 5961064) •...

  • Page 7: Replacing Assembly Units

    Replacing Assembly Units Replacing the Printhead The printhead of the label printer can be replaced without the need for fine adjustment. 6" 4" Figure 1 Structure of the printhead 1. Data connector 2. Power connector 3. Threaded holes 4. Catching holes 5.
  • Page 8 Replacing Assembly Units Figure 2 Replacing the printhead Note! The replacement of the printhead will be described for Printhead 2 (upper printhead). On print head 1 (bottom), the plungers of the head pressure system must be pushed inwards. The work steps then also apply in an analogous manner to print head 1 (below).

  • Page 9: Replacing The Print Rollers

    Replacing Assembly Units Replacing the Print Rollers Figure 3 Replacing print rollers Note! The replacement of both print rollers (2) can be done in the same manner. 1. Open the locking system 2. Pivot the printhead away from the roller. 3.

  • Page 10: Replacing The Slipping Clutches

    Replacing Assembly Units Replacing the Slipping Clutches The rewinders for the transfer ribbon are coupled with slipping clutches to the main drive. The supply hubs of the transfer ribbon are braked with slipping clutches during printing. Replace a slipping clutch when the set value of the torque cannot be set ...
  • Page 11 Replacing Assembly Units Replacing the Slipping Clutches at the Rewinders 1 Collar of the belt gear 2 Winder axle 3 Coupling disks 4 Slipping clutch 5 Snap ring Figure 5 Slipping clutches at the rewinders 1. Unplug the printer from the electrical outlet. 2.

  • Page 12: Replacing The Label Sensor

    Replacing Assembly Units Replacing the Label Sensor Note! Soiling of the label sensor can also cause malfunctions.  Before replacing the label sensor, check whether it is soiled and clean it if necessary  Instructions. Danger! Risk of death via electric shock! ...

  • Page 13: Replacing The Pcb Cpu

    Replacing Assembly Units Replacing the PCB CPU Danger! Risk of death via electric shock!  Before opening the housing cover, disconnect the device from the mains supply and wait at least one minute until the power supply unit has discharged. 1 4 screws 2 PCB CPU Connectors...

  • Page 14: Replacing The Power Supply Unit

    Replacing Assembly Units Replacing the Power Supply Unit Danger! Risk of death via electric shock!  Before opening the housing cover, disconnect the device from the mains supply and wait at least one minute until the power supply unit has discharged. Figure 9 Replacing the power supply unit 1.

  • Page 15: Adjustments

    Adjustments Measuring and Adjusting the Winding Torques The rewinders for the transfer ribbon are coupled with slipping clutches to the main drive. The supply hubs of the transfer ribbon are braked with slipping clutches during printing. The correct setting of the torques of these slipping clutches is necessary for: •...
  • Page 16 Adjustments Figure 10 Measuring the winding torque at the transfer ribbon winders Danger! Risk of death via electric shock!  Before opening the housing cover, disconnect the device from the mains supply and wait at least one minute until the power supply unit has discharged. 1.

  • Page 17: Adjusting The Winding Torques

    Adjustments 4.1.2 Adjusting the Winding Torques The winding torque of a winder can be changed at the knurled ring of the respective slipping clutch. The numbers on the knurled ring stand for the value of the winding torque: • 1: Lowest winding torque 7: Highest winding torque •...

  • Page 18: Adjusting The Media Feed Path

    Adjustments Adjusting the Media Feed Path The media (1) must run between the guides (2) during the transport without a lateral drift. The direction of the media (2) run can be adjusted by the eccentric on the deflection roller (3). Figure 12 Adjusting the media feed path 1.

  • Page 19: Adjusting The Printing Mechanism

    Adjustments Adjusting the Printing Mechanism Major adjustment of the printing mechanism beyond format-based settings is only required if the printhead assembly has been removed or parts in this area have been replaced. Excluded from this is the replacement of the printhead, after which readjustment is generally not required.

  • Page 20: Aligning The Printhead To The Print Roller

    Adjustments 4.3.2 Aligning the Printhead to the Print Roller In order to achieve the best possible print image the following printhead settings are necessary: • Setting the parallelism of horizontal lines and the edge of the label. • Aligning the heating line to the top of the print roller. This is the position with the highest print image density. Figure 14 Aligning the printhead to the print roller Setting the parallelism of horizontal lines and the front label edge Attention!

  • Page 21: Adjusting The Printhead Pressure

    Adjustments 4.3.3 Adjusting the Printhead Pressure The printhead pressure can be changed with the screws (1a) and (1b) at the inside and outside of the printhead. Increasing the printhead pressure leads to an improvement of the print image density on the corresponding side and to a shifting of the ribbon feed path to the opposite side.

  • Page 22: Final Test

    Final Test  Recheck the setting with the test function Test grid ( Configuration Manual) or a similar print pattern. When using standard cab media, the test printout must show lines with sharp contours and black areas without any parts missing.

  • Page 23: Adjusting The Automatic Ribbon Saver

    Adjustments Adjusting the Automatic Ribbon Saver The lower pint unit 1 is equipped with an automatic ribbon saver. The ribbon saver reduces the consumption of transfer ribbon by lifting the printhead while feeding blank label areas. The printhead will be lifted by eccentrics and the ribbon unwinder will be blocked by a magnetic clutch. Print phase Saver phase Eccentrics...

  • Page 24: Adjusting The Magnetic Clutch

    Adjustments 4.4.2 Adjusting the Magnetic Clutch A misaligned magnetic clutch can cause a very high and not adjustable torque at the ribbon supply hub. The distance between chassis of the magnetic clutch (4) and the armature disk (3) must be 0.1 mm . Danger! Risk of death via electric shock! ...

  • Page 25: Troubleshooting And Error Treatment

    Troubleshooting and Error Treatment Failure of Device Functions Functional error Possible remedy Check electrical connections between PCB CPU and motor Medium is not transported Check drive mechanism Replace the PCB CPU Replace the motor No print image with medium Check plug connections at the printhead transport Examine printhead cable for damage and replace if necessary Check the automatic ribbon saver...

  • Page 26: Block Diagram

    Block Diagram Figure 19 Block Diagram XC Q...

  • Page 27: Layout Diagram Cpu

    Layout Diagram CPU Measuring points at CON9: #FD1 R117 TOP10 C116 R150 C296 R151 C269 R152 C262 C266 R116 R140 R142 C179 C157 C155 C175 C163 C290 C295 R158 +24V (+24V) C301 C153 C169 Measuring points on the PCB: 25 4 9 8 7 6 5 4 3 2 C222 TOP2...

  • Page 28: Index

    Index Adjusting the printing mechanism..19 Test collar .........15 Automatic ribbon saver adjustment ..23 Torque..........15 Transfer ribbon .........21 Transfer Ribbon ........21 Bowing the printhead ......22 Transfer ribbon feed path ...19, 21 Brake ribbon unwinder...... 11 Unwinder ........11, 16 Eccentrics .........23 Environment ........5 Error treatment .........25 Voltage error ........25...