CAB Hermes C Series Manuale utente
Made in Germany
Service Manual
Hermes C
Label Printer
2 2
Family Type
Hermes C Hermes C 6L
Edition: 03/2018 - Part No. 9009788
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.
Trademark
Windows is a registered trademarks of the Microsoft Corporation.
Editor
Regarding questions or comments please contact cab Produkttechnik 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
1.6 Environment.............................................................................................................................................5
2 Tools........................................................................................................................................................6
3 Maintenance ...........................................................................................................................................7
3.1 Cleaning by the Operator.........................................................................................................................7
3.2 Cleaning the Label Sensor ......................................................................................................................7
4 Replacing Assembly Units.................................................................................................................... 8
4.1 Replacing the Printheads.........................................................................................................................8
4.2 Replacing the Print Rollers.....................................................................................................................10
4.3 Replacing the Transport Rollers..............................................................................................................11
4.4 Replacing the Slipping Clutches ............................................................................................................12
4.5 Replacing the Brake Shoe at the Label Unwinder .................................................................................14
4.6 Replacing the Label Sensor...................................................................................................................15
4.7 Replacing the PCB CPU........................................................................................................................16
4.8 Replacing the Power Supply Unit...........................................................................................................17
5 Adjustments .........................................................................................................................................18
5.1 Measuring and Adjusting the Winding Torques......................................................................................18
5.1.1 Measuring the Winding Torques.......................................................................................................18
5.1.2 Adjusting the Winding Torques.........................................................................................................21
5.2 Adjusting the Brake at the Label Unwinder............................................................................................22
5.3 Adjusting the Label Feed .......................................................................................................................23
5.4 Adjusting the Printing Mechanism..........................................................................................................24
5.4.1 Preparing the Printer for Adjustment ................................................................................................24
5.4.2 Adjusting the Printhead Position.......................................................................................................25
5.4.3 Adjusting the Printhead Pressure.....................................................................................................26
5.4.4 Adjusting the Transfer Ribbon Feed Path.........................................................................................27
5.4.5 Final Test..........................................................................................................................................27
5.5 Adjusting the Belt Tension......................................................................................................................28
5.6 Adjusting the Magnetic Clutches............................................................................................................29
5.7 Adjusting the Ribbon Saver....................................................................................................................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 CPU ...........................................................................................................................34
9 Index......................................................................................................................................................36
4 4
1 Important Information
1.1 Instructions
Important information and instructions 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.
!
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!
Advices on protecting the environment.
Handling instructions
Reference to chapter, position, picture number or document.
Option (accessories, peripherals, extras).
Time Viewed in the display / monitor.
1.2 General Safety Instructions
This service manual is intended for use by qualied service and maintenance personnel. For more operation and
conguration information, refer to the user or conguration manual.
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.
!
Caution!
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.
51 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.
• Check the working area for possible sources of danger, such as wet oors, defective extension cables, 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.
• Give rst aid, if necessary.
1.6 Environment
Obsolete assemblies contain valuable recyclable materials that should be sent for recycling.
Send to suitable collection points, separately from residual waste.
Send the parts for recycling.
6 6
2 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. 5534199)
• Distance caliber 0,1 mm (cab Part-No. 5961064)
• Gauge for brake adjustment at the label unwinder (cab Part-No. 5961092)
Standard tools:
• Screw driver Torx, size TX 10, TX 20
• Allen key 1,5 mm
• Allen key 2,5 mm, 200 mm shaft (included)
• Allen key 2,5 mm (included)
• Phillips-head screwdriver, size 1
• Snap ring pliers ZGG 0
• Snap ring pliers ZGG 1
• Cylindrical dynamometer (spring scale), 0 - 10 N
• Cylindrical dynamometer (spring scale), 0 - 25 N
• Digital Circuit Analyzer
7
3 Maintenance
3.1 Cleaning by the Operator
The following cleaning work is described in the “Operator's Manual“:
• Cleaning the device
• Cleaning the printheads
• Cleaning the print rollers
3.2 Cleaning the Label Sensor
2 31
5 63 74
Figure 1 Cleaning the label sensor
Danger!
Risk of death via electric shock!
Before opening the rear cover, disconnect the device from the mains supply and wait at least one
minute until the power supply unit has discharged.
1. Unplug the printer from the electrical outlet and remove the rear cover.
2. Remove the material from the printer.
3. Unplug the connector (2) of the cable (1) from the connector of the label sensor (3).
4. Loosen the screw (7) and pull the label sensor (3) with spindle (5) and the cover (6) out of the prole (4).
5. Clean the label sensor (3) with a brush or a cotton swab soaked in pure alcohol.
6. Move the label sensor (3) with spindle (5) and cover (6) into the prole (4) in the former position.
7. Fix the assembly with the screw (7).
8. Plug in the connector (2) of the cable (1) at the label sensor (3).
9. Mount the cover and restore all connections.
10.Adjust the label sensor Operator's manual.
8 8
4 Replacing Assembly Units
4.1 Replacing the Printheads
i
Notice!
The replacement of both printheads can be done in the same manner.
2
3
5
14
4
1 Printhead
2 Connector (Data)
3 Connector (Power)
4 Threaded hole
5 Printing line
Figure 2 Structure of the printhead
!
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.
678
Figure 3 Printhead replacement 1
Removing the printhead
1. Open the printhead.
2. Remove labels and transfer ribbon from the printer.
3. Loosen the screw (7) and dismantle the antistatic brush (6).
4. Remove the printhead retainer screw (8).
9
910 12
11
Figure 4 Printhead replacement 2
5. Pull the printhead retainer (10) with the printhead out of the printer .
6. First disconnect the power cable (12), following the data cable (9).
7. Loosen 2 screws (13) and remove the printhead (16) from the printhead retainer (10).
13
14
10
16
15
13
14
15
Figure 5 Printhead replacement 3
Installing the printhead
1. Insert 2 screws (13) through the holes in the adjusting elements (14) and the printhead retainer (10) into the
drillings (15) of the new printhead (16).
2. Ensure the correct positioning of the printhead (16) at the printhead retainer (10) and tighten the screws (13).
3. First connect the data cable (9), following the power cable (12).
5. Push the printhead retainer (10) with the printhead onto spring (11).
6. Attach the printhead retainer (10) with the screw (8) on the printer.
7. Mount the antistatic brush (6).
8. Reload labels and transfer ribbon.
10
8
Figure 6 Printhead replacement 4
4 Replacing Assembly Units
10 10
4.2 Replacing the Print Rollers
i
Notice!
The replacement of both print rollers can be done in the same manner.
1 2 5 6
4
32 5 6
4
Figure 7 Replacing the print rollers
1. Turn lever (4) counterclockwise to lift the printhead assembly.
2. Loosen screw (6).
3. Remove ball bearing (5) and print roller (2) through the plate (3).
4. Guide the new print roller through the plate (3) to the axle (1). Turn the roller easily to align it to the hexagonal end
of the axle and push the roller further until it stops.
5. Insert the ball bearing (5) in to the plate (3) and x it with screw (6).
4 Replacing Assembly Units
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