Cab Technology PX Series Manual de usuario
Made in Germany
Service Manual
PX
Print Module
2 2
Family Type
Print Module PX PX4L
PX4R
PX4.3L
PX4.3R
PX6L
PX6R
Edition: 03/2018 - Part No.. 9008975
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.
Editor
Regarding questions or comments please contact cab Produk-
ttechnik GmbH & Co. KG.
Topicality
Due to the constant further development of our products
discrepancies between documentation and product 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 products
Germany
cab Produkttechnik GmbH & Co KG
Karlsruhe
Phone +49 721 6626 0
www.cab.de
USA
cab Technology, Inc.
Chelmsford, MA
Phone +1 978 250 8321
www.cab.de/us
Taiwan
cab Technology Co., Ltd.
Taipei
Phone +886 (02) 8227 3966
www.cab.de/tw
China
cab (Shanghai) Trading Co., Ltd.
Guangzhou
Phone +86 (020) 2831 7358
www.cab.de/cn
France
cab Technologies S.à.r.l.
Niedermodern
Phone +33 388 722501
www.cab.de/fr
Mexico
cab Technology, Inc.
Juárez
Phone +52 656 682 4301
www.cab.de/es
China
cab (Shanghai) Trading Co., Ltd.
Shanghai
Phone +86 (021) 6236 3161
www.cab.de/cn
South Africa
cab Technology (Pty) Ltd.
Randburg
Phone +27 11 886 3580
www.cab.de/za
3
Table of Contents
1 Important Information............................................................................................................................4
1.1 Instructions...............................................................................................................................................4
1.2 General Safety Instructions......................................................................................................................4
1.3 Protective Devices ...................................................................................................................................5
1.4 Handling Electricity ..................................................................................................................................5
1.5 Procedure in Case of Accidents ..............................................................................................................5
2 Preparation.............................................................................................................................................6
2.1 Tools.........................................................................................................................................................6
2.2 Removing and Installing the Backside Cover...........................................................................................6
3 Cleaning..................................................................................................................................................7
3.1 Cleaning by the Operator.........................................................................................................................7
3.2 Cleaning the Label Sensor ......................................................................................................................7
4 Replacing Assembly Units.................................................................................................................... 8
4.1 Replacing the Printhead...........................................................................................................................8
4.1.1 Replacing the Printhead PX4 .............................................................................................................8
4.1.2 Replacing the Printhead PX6 .............................................................................................................9
4.2 Replacing the Rollers and the Dispense Edge........................................................................................11
4.3 Replacing the Slipping Clutches ............................................................................................................12
4.4 Replacing Label Sensor ........................................................................................................................14
4.5 Replacing the PCB CPU........................................................................................................................15
4.6 Replacing PCB Ribbon Saver and PCB Ribbon Saver Sensor .............................................................16
4.7 Replacing PCB I/O Interface and PCB USB Hub...................................................................................17
4.8 Replacing the Power Supply Unit...........................................................................................................18
5 Adjustments .........................................................................................................................................19
5.1 Measuring and Adjusting the Winding Torques......................................................................................19
5.1.1 Measuring the Winding Torques.......................................................................................................19
5.1.2 Adjusting the Winding Torques.........................................................................................................21
5.2 Adjusting the Printing Mechanism..........................................................................................................22
5.2.1 Preparing the Printer for Adjustment ................................................................................................22
5.2.2 Adjusting the Printhead Position.......................................................................................................23
5.2.3 Adjusting the Printhead Pressure.....................................................................................................24
5.2.4 Adjusting the Transfer Ribbon Feed Path.........................................................................................25
5.2.5 Final Test..........................................................................................................................................25
5.3 Adjusting the Belt Tension at the Main Drive Motor ...............................................................................26
5.4 Adjusting the Head Switch.....................................................................................................................27
5.5 Adjusting the Magnetic Clutch................................................................................................................28
5.6 Adjusting the Ribbon Saver Mechanics .................................................................................................29
5.7 ConguringthePowerSourcefortheOEMI/OInterface ......................................................................30
6 Troubleshooting and Error Treatment................................................................................................ 31
6.1 Failure of Device Functions....................................................................................................................31
6.2 Hardware Faults.....................................................................................................................................32
7 Block Diagram......................................................................................................................................33
8 Layout Diagram PCB CPU...................................................................................................................35
9 Index......................................................................................................................................................37
4 4
1 Important Information
1.1 Instructions
Important information and instructions in this documentation are designated as follows:
Danger!
Draws your attention to an exceptionally grave, impending danger to your health or life.
!
Warning!
Indicates a hazardous situation that could lead to injuries or material damage.
!Attention!
Draws attention to possible dangers, material damage or loss of quality.
iNotice!
Gives you tips. They make a working sequence easier or draw attention to important working processes.
Environment!
Gives you tips on protecting the environment.
Handling instruction
Reference to section, position, illustration number or document.
Option(accessories,peripheralequipment,specialttings).
Time Information in the display.
1.2 General Safety Instructions
Thisservicemanualisintendedforusebyqualiedserviceandmaintenancepersonnel.Formoreoperationand
congurationinformation,refertotheuserorcongurationmanual.
Follow the general safety rules below:
• Keep the area around the device clean at all times!
• Work with safety in mind.
• Parts of device that are removed during the maintenance work must be put in a safe place.
• Avoid risks of tripping over.
Danger!
Danger to life and limb from increased current ow through metal parts in contact with the device.
Do not wear clothing with metal parts.
Do not wear jewelry.
!
Warning!
Items of clothing drawn into the device by moving parts can lead to injuries.
Do not wear any items of clothing which could get caught by moving parts.
5
1 Important Information
1.3 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:
• Knocking pins or similar parts in or out with a hammer.
• Using spring hooks.
• Inserting or removing springs, retaining rings or grip rings.
• Using solvents, cleansers or other chemicals.
1.4 Handling Electricity
The following work may only be done by trained and qualied electricians:
• Work on electrical components.
• Work on an open device still connected to the mains supply.
General precautions before starting maintenance work:
• Find out where the emergency and power switches are so that they can be quickly thrown in an emergency.
• Disconnect the current supply before carrying out the following work:
- Installing or removing power units.
- Working in the immediate vicinity of open power supply components.
- Mechanical check of power supply components.
- Modifying circuits in the device.
• Test the zero potential of the device parts.
• Checktheworkingareaforpossiblesourcesofdanger,suchaswetoors,defectiveextensioncables,defective
protective conductor connections.
Additional precautions in the case of exposed voltages:
• Ask a second person to remain near the working site. This person must know where the emergency and power
switches are, and how to switch the current off if danger arises.
1.5 Procedure in Case of Accidents
• Act calmly and with great care.
• Avoid danger to yourself.
• Switch off power.
• Request medical assistance.
• Giverstaid,ifnecessary.
6 6
2 Preparation
2.1 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 item number: 5534199)
• Distance caliber 0,1 mm (cab item number: 5961064)
Standard tools:
• Torx screwdriver TX 20
• Hexagon electronic screwdriver 1,5 mm
• Hexagon key 2,5 mm (on print module)
• Phillips-head screwdriver, size 1
• Precision circlip pliers A0
• Precision circlip pliers A1
• Hexagon socket spanner 5
• Hexagon socket spanner 5,5
• Cylindrical dynamometer (spring scale), 0 - 10 N
• Digital multimeter
2.2 Removing and Installing the Backside Cover
!Attention!
The backside cover or cables can be damaged via careless handling.
Move cable out of the risk area.
Put cover into the guiding complete.
2
1
2
Fig. 1 Removing and Installing the Backside Cover
Dismount cover :
1. Loosen screws (2).
2. Move cover (1) in arrow direction.
Mount cover :
1. Move cover (1) against arrow direction on the device.
2. Make sure that all cables are out of the risk area at the edges of cover.
3. Move the cover (1) complete in the circumferential guiding.
4. Fix cover (1) with screws (2) and tighten the screws.
7
3.1 Cleaning by the Operator
The following cleaning work is described in the “Operator's Manual“:
• cleaning the device
• cleaning the printhead
• cleaning the print roller
3.2 Cleaning the Label Sensor
31 2 34 5
Fig. 2 Cleaning the label sensor
Danger!
Risk of death via electric shock!
Before opening the housing cover, disconnect the device from the mains supply and wait at lease one
minute until the power supply unit has discharged.
1. Unplug the printer from the electrical outlet and remove the cover of the printer 2.2 Cover dismount / mount.
2. Remove the material from the printer.
3. Disconnect the cable (4) and connector (5) from the label sensor (3) .
4. Loosen screw (2) with the Allen key (1).
5. Push the label sensor (3) in arrow direction and pull it out.
6. Clean label sensor and sensor units (3) with brush or cotton swab soaked in pure alcohol.
7. Move label sensor (3) against the arrow direction in the former position.
8. Connect cable (4) with connector (5) .
9. Mount cover and restore all connections.
10.Adjust label sensor Operator's Manual.
11. Tighten screw (2) .
3 Cleaning
8 8
4 Replacing Assembly Units
4.1 Replacing the Printhead
4.1.1 Replacing the Printhead PX4
Theprintheadcanbereplacedwithouttheneedforneadjustment.Theprintheadmustbereplacedifwornorwhen
switching to a printhead with higher or lower resolution. For better differentiation, the printheads have a label stating
the resolution.
1
2
3
4
6
4
6
5
1 Printhead
2 Plug connection
3 Plug connection
4 Screw
5 Printing line
6 Pin
Fig. 3 Structure of the printhead PX4
!Attention!
The printhead is mounted as assembly and precisely aligned at the factory.
Do not loosen the screws (4) under any circumstances.
!Attention!
The printhead can be damaged by static electricity discharges and impacts!
Ground your body, e.g. by wearing a grounded wristband.
Do not touch contacts on the plug connections (2, 3).
Do not touch printing line (5) with hard objects or your hands.
316 6
2
7
8 9
Fig. 4 Replacing printhead PX4
9
4 Replacing Assembly Units
Removing the printhead
1. Lift the printhead.
2. Remove labels and transfer ribbon from the printer.
3. Lightly keep printhead mounting bracket (8) on the print roller, screw out screw (7) with the Allen key (9) and
remove screw and washer.
4. Swivel printhead mounting bracket (8) upward.
5. Remove printhead (1) from the printhead mounting bracket (8) if necessary.
6. Loosen both plug connections (2, 3).
Installing the printhead
1. Attach plug connections (2, 3).
2. Position printhead (1) in printhead mounting bracket (8) in such a way that the pins (6) are secured in the corre-
sponding holes in the printhead mounting bracket (8).
3. Lightly keep printhead mounting bracket (8) on the print roller and check for correct positioning of the printhead in
the mounting bracket (8).
4. Insert screw (7) with washer and tighten it with the Allen key (9).
5. Reload labels and transfer ribbon.
4.1.2 Replacing the Printhead PX6
2
3
5
4
14
1 Printhead
2 Plug connection
3 Plug connection
4 Threaded hole
5 Printing line
Fig. 5 Structure of the printhead PX6
!Attention!
The printhead can be damaged by static electricity discharges and impacts!
Ground your body, e.g. by wearing a grounded wristband.
Do not touch contacts on the plug connections (2, 3).
Do not touch printing line (5) with hard objects or your hands.
10 10
4 Replacing Assembly Units
31 4
2
6
6 8
7
4
Fig. 6 Replacing the printhead PX6
Removing the printhead
1. Lift the printhead.
2. Remove labels and transfer ribbon from the printer.
3. Lightly keep printhead mounting bracket (7) on the print roller and loosen screws (6) with the Allen key (8).
4. Swivel printhead mounting bracket (7) upward.
5. Remove printhead from the printhead mounting bracket (7) if necessary.
6. Loosen both plug connections (2, 3) on the printhead.
7 9 9 10
6
1064
Fig. 7 Installing the printhead PX6
Installing the printhead
1. Attach plug connections (2, 3).
2. Swing the adjustment elements (10) sidewards to uncover the slots (9) in the printhead carriage.
3. Put in the printhead into the printhead carriage and swing down the printhead assembly by hand and hold it.
4. Position the printhead in such a way that the threaded holes (4) of the printhead are centered into the slots (9) of
the printhead carriage (7).
5. Swing back the adjustment elements (10) to the home position.
6. Insert and tighten the screws (6).
7. Reload labels and transfer ribbon.
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