Carl Valentin Vita II series Operating instructions

Vita II series
SERVICE INSTRUCTIONS March 2010

Copyright by Carl Valentin GmbH / 7948025A0310
Information on the scope of delivery, appearance, performance,
dimensions and weight reflect our knowledge at the time of printing.
We reserve the rights to make modifications.
All rights, including those regarding the translation, are reserved.
No part of this document may be reproduced in any form (print,
photocopy or any other method) or edited, copied or distributed
electronically without written permission from Carl Valentin GmbH.
Trademarks
Centronics®is a registered trademark of Data Computer Corporation.
Microsoft®is a registered trademark of Microsoft Corporation.
Windows 2000®, 2003®, XP®are registered trademarks of Microsoft
Corporation.
TrueType is a trademark of Apple Computer, Inc.
Zebra®and ZPL II®are registered trademarks of ZIH Corporation.
Carl Valentin label printers comply with the following safety guidelines:
CE EG Low-Voltage Directive (2006/95/EG)
EG Electromagnetic Compatibility Directive (89/336/EWG)
Carl Valentin GmbH
Postfach 3744 D-78026 Villingen-Schwenningen
Neckarstraße 78-80 D-78056 Villingen-Schwenningen
Telefon ++49 7720 9712-0
Telefax ++49 7720 994987-1
E-Mail [email protected]
www.valentin-carl.de

Vita II series Table of contents
03/10 Service instructions 3
Table of contents
Table of contents.............................................................................. 3
1Notes on this document ....................................................... 5
1.1User notes ............................................................................... 5
1.2Warnings ................................................................................. 5
1.3Cross references ..................................................................... 6
2Safety instructions................................................................ 7
2.1General safety instructions...................................................... 7
2.2Safety handling when working with electricity ......................... 9
3Cleaning ............................................................................... 11
3.1General cleaning ................................................................... 12
3.2Cleaning the pressure roller .................................................. 12
3.3Cleaning the printhead .......................................................... 13
3.4Cleaning the label photocell .................................................. 14
4Replacing components....................................................... 15
4.1Tool list .................................................................................. 15
4.2Replacing the printhead ........................................................ 16
4.3Replacing pressure roller ...................................................... 18
4.4Replacing the label photocell ................................................ 19
4.5Replacing the CPU PCB ....................................................... 20
4.6Replacing the power supply .................................................. 21
4.7Replacing the battery ............................................................ 22
5Adjustments, settings and alignments ............................. 23
5.1Adjusting the print mechanism .............................................. 23
5.2Adjusting the position of printhead ........................................ 24
5.3Adjusting the head contact pressure..................................... 25
5.4Adjusting the transfer ribbon feed path ................................. 26
5.5Adjusting the ribbon rewinder/unwinder ................................ 27
5.6Adjusting the head switch...................................................... 28
5.7Oil and Lubricate ................................................................... 29
6Refitting options.................................................................. 31
6.1I/O plate ................................................................................. 31
Dispensing unit................................................................................. 32
6.2Cutting unit ............................................................................ 33
7Error correction................................................................... 35
8Wiring plan........................................................................... 43
8.1CPU component placement specification ............................. 44
9Pin assignment interfaces.................................................. 45
9.1Centronics ............................................................................. 45
9.2RS-232 .................................................................................. 45
9.3Ethernet ................................................................................. 46
9.4USB 1.0 ................................................................................. 46
10Index ..................................................................................... 47

Vita series Notes on this document
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1 Notes on this document
1.1 User notes
This service manual is intended for qualified service and maintenance
staff.
This manual contains information about hardware and mechanical
part of the label printers 103/8 T, 104/8, 106/12, 106/24 and 108/12 T.
Information about operation of printer can be taken from our operating
manual.
If a problem arises that cannot be solved with help of this service of
manual, then please contact your responsible dealer.
1.2 Warnings
Warnings are presented with three signal words for the different levels
of danger.
DANGER identifies an extraordinarily great and immediate danger
which could lead to serious injury or even death.
WARNING identifies a possible danger would could lead to serious
bodily injury or even death if sufficient precautions are not taken.
CAUTION indicates a potentially dangerous situation which could lead
to moderate or light bodily injury or damage to property.
DANGER!
Risk of death via electric shock!
⇒Before opening the housing cover, disconnect the
device from the mains supply and wait approx. 2 - 3
minutes until the power supply unit has discharged.

Notes on this document Vita series
6 Service instructions 03/10
1.3 Cross references
References to specific items in a figure are marked with item
numbers. They are identified with parentheses in the text, e.g. (9). If
no figure number is provided, item numbers in the text always refer to
the graphic directly above the text. If a reference is made to another
graphic, the figure number is specified, e.g. (2, in figure 5).
Item numbers
For a cross reference to chapters and sections, the chapter number
and page number are specified, e.g. a reference to this section: see
chapter 1.3.2, on page 35.
Cross references to
chapters and sections
References to other documents have the following form: see
'operating manual'.
References to other
documents

Vita II series Safety instructions
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2 Safety instructions
2.1 General safety instructions
Workplace and
method of working ⇒Keep the area around the device clean during and after
maintenance.
⇒Work in a safety-conscious manner.
⇒Store dismantled device parts in a safe place while maintenance
is being performed.
CAUTION!
The drawing in of items of clothing by moving parts can
lead to injuries.
⇒If possible, do not wear clothing which could be
caught by moving device parts.
⇒Button or roll up shirt or jacket sleeves.
⇒Tie or pin up long hair.
⇒Tuck the ends of scarves, ties and shawls into your
clothing or secure them with non-conductive clips.
Clothing
DANGER!
Risk of death from increased flow of current via metals
parts which come into contact with the device.
⇒Do not wear clothing with metal parts.
⇒Do not wear jewellery.
⇒Do not wear glasses with a metal frame.

Safety instructions Vita II series
8 Service instructions 03/10
If a possible danger to your eyes is present, wear protective goggles,
especially in the following cases:
Protective clothing
•when knocking in or knocking out pins and similar parts with a
hammer
•when using spring hooks
•when loosening or inserting springs, snap rings and gripping rings
•when soldering
•when using solvents, cleaning agents or other chemicals
WARNING!
Risk of injury in case of missing or faulty protective
equipment.
⇒After performing maintenance work, attach all safety
equipment (covers, safety precautions, ground cables
etc.).
⇒Replace faulty parts and those which have become
unusable.
Protective equipment

Vita II series Safety instructions
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2.2 Safety handling when working with electricity
Qualifications of
personnel ⇒The following work may only be performed by instructed and
trained electricians:
•work on the electrical assemblies
•work on the device while it is open and connected to the
power supply.
General precautions to
be heeded when
beginning maintenance
⇒Locate the emergency-stop or power switch so that it can be
actuated in case of an emergency.
⇒Unplug the device from the electrical outlet before performing
the following work:
•removing or installing power supply units
•working in the immediate vicinity of exposed power supply
parts
•mechanical inspection of power supply parts
•modifying the device circuits.
⇒Ensure that the device is de-energized.
⇒Check the workplace for possible sources of danger, e.g. moist
floors, defective extension cables, faulty protective conduction
connections.
Additional precautions
to be heeded for
devices with exposed
energized parts
⇒Give another person the task of remaining near the workplace.
This person must be familiar with the location and operation of
the emergency-stop and power switches and switch off the
power if danger arises.
⇒Use only one hand while working on electrical circuits when a
device is switched on. Hold the other hand behind your back or
put it in your jacket pocket.
This prevents the electricity from flowing through your body.
Tools ⇒To not use worn or damaged tools.
⇒Use only tools and testing equipment that is suitable for the
respective task.
What to do in case an
accident occurs ⇒Proceed in a very cautions and calm manner.
⇒Avoid endangering yourself.
⇒Switch the power off.
⇒Request medical help (emergency physician).
⇒Call for first aid if necessary.

Vita II serie Cleaning
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3 Cleaning
DANGER!
Risk of death via electric shock!
⇒Before opening the housing cover, disconnect the
device from the mains supply and wait approx. 2 - 3
minutes until the power supply unit has discharged.
Cleaning schedule Task Frequency
General cleaning
(see chapter 3.1, on page 12).
As necessary.
Cleaning print roler
(see chapter 3.2, on page 12).
Each time the label roller is
changed or when the printout and
label transport are adversely
affected.
Cleaning printhead
(see chapter 3.3, on page 13). Direct thermal printing: Each time the label roller is
changed.
Thermal transfer printing:
Each time the transfer ribbon is
changed or when the printout is
adversely affected.
Cleaning label photocell
(see chapter 3.4, on page 14).
When the label roller is changed.
WARNING!
Risk of fire by easily inflammable label soluble!
⇒When using label soluble, dust must be completely
removed from the label printer and cleaned.

Cleaning Vita II series
12 Service instructions 03/10
3.1 General cleaning
CAUTION!
Abrasive cleaning agents can damage the label printer!
⇒Do not use abrasives or solvents to clean the outer
surface of the label printer.
⇒Remove dust and paper fuzz in the printing area with a soft
brush or vacuum cleaner.
⇒Clean outer surfaces with an all-purpose cleaner.
3.2 Cleaning the pressure roller
A soiled pressure roller can lead to reduced print quality and can
affect transport of material.
Figure 1
1. Turn lever (B) counter clockwise to lift up the printhead.
2. Remove labels and transfer ribbon form the label printer.
3. Remove deposits with roller cleaner and a soft cloth.
4. Turn the roller (D) manually step by step to clean the complete
roller (only possible when printer is switched off, as otherwise the
step motor is full of power and the roller is kept in its position).
5. If the roller appears damaged, replace it (see chapter 4.3,
on page 18).

Vita II series Cleaning
03/10 Service instructions 13
3.3 Cleaning the printhead
Printing can cause accumulation of dirt at printhead e.g. by colour
particles of transfer ribbon, and therefore it is necessary to clean the
printhead in regular periods depending on operating hours,
environmental effects such as dust etc.
CAUTION!
Printhead can be damaged!
⇒Do not use sharp or hard objects to clean the
printhead.
⇒Do not touch protective glass layer of the printhead.
Figure 2
1. Turn lever (B, Figure 1) counter clockwise to lift up the printhead.
2. Remove labels and transfer ribbon from the label printer.
3. Clean printhead surface with special cleaning pen or a cotton
swab dipped in pure alcohol.
4. Allow printhead to dry for 2-3 minutes before commissioning the
printer.

Cleaning Vita II series
14 Service instructions 03/10
3.4 Cleaning the label photocell
CAUTION!
Label photocell can be damaged!
⇒Do not use sharp or hard objects or solvents to clean
the label photocell.
The label photocell can become dirtied with paper dust and this can
adversely affect label detection.
Figure 3
1. Turn lever (A) counter clockwise to lift up the printhead.
2. Remove labels and transfer ribbon from the label printer.
3. Pull label photocell slowly outwards via the tab (C). Ensure that
the label photocell cable is not tensioned by this.
4. Clean label photocell and sensor units (B) with brush or cotton
swab soaked in pure alcohol.
5. Push label photocell back via tab (C) and set it.
6. Reload labels and transfer ribbon.

Vita II series Replacing components
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4 Replacing components
DANGER!
Risk of death via electric shock!
⇒Before opening the housing cover, disconnect the
device from the mains supply and wait approx. 2 - 3
minutes until the power supply unit has discharged.
4.1 Tool list
Some service work requires the following tools:
•Philips-head screwdriver, size 1
•Hexagonal wrench 1.5 mm
•Hexagonal wrench 2.5 mm
•Spring scale 10 N
•Spring scale 25 N

Replacing components Vita II series
16 Service instructions 03/10
4.2 Replacing the printhead
The printhead (D) is preinstalled on a head plate (A) and
precisely aligned at the factory. Do not loosen the screws
(G) under any circumstances.
Figure 4
A Head plate
B Plug connection signal
C Plug connection tension
D Printhead
E Focal line
F Guiding
G Screw
CAUTION!
The printhead can be damaged by static electricity discharges
and impacts!
⇒Set up printer on a grounded, conductive surface.
⇒Ground your body, e.g. by wearing a grounded
wristband.
⇒Do not touch contacts on the plug connections (B, C).
⇒Do not touch printing line (E) with hard objects or your
hands.

Vita II series Replacing components
03/10 Service instructions 17
Figure 5
1. Remove labels and transfer ribbon from the label printer.
Removing the
printhead 2. When printhead is closed, loosen the fixing screw (A).
3. Turn red lever (B) counter clockwise to lift up the printhead.
4. If the printhead (C) is not disengaged on the pressure roller,
continue loosen the fixing screw (A).
5. Remove the printhead carefully to the front until you can reach the
plug connections.
6. Remove plug connections and then remove printhead (C).
1. Attach plug connections.
Installing the
printhead 2. Position printhead in printhead mounting bracket in such a way
that the pins are secured in the corresponding holes in the head
plate.
3. Lightly keep printhead mounting bracket on the printer roller with
one finger and check for correct positioning of the printhead.
4. Screw in fixing screw (A) and tighten it.
5. Check resistance value on the type plate of printhead and if
necessary change the value in the service functions/heater
resistance.
6. Reload labels and transfer ribbon.

Replacing components Vita II series
18 Service instructions 03/10
4.3 Replacing pressure roller
Figure 6
1. Remove left printer cover.
Loosen two screws at the lower left printer edge and three screws
at the chassis upper edge.
Removing the
pressure roller
2. Remove the protective conductor at the inside of the printer cover.
3. Loosen screw (E) and remove tear off edge (if mounted) before
the pressure roller.
4. Turn red lever (A) clockwise to lift up the printhead.
5. Loosen pins (F) from belt pulley (G) on the pressure roller (B).
6. Remove protective disc (D) and ball bearing (C).
7. Pull pressure roller (B) through the drillings outwards.
Hold the belt pulley (G).
1. Mount the new pressure roller (B) throught the drillings and the
belt pulley (G).
Installing the
pressure roller
2. Mount protective disc (D) and ball bearing (C).
3. When reassembling the belt pulley (G), a pin must meet the milled
surface of roller axe.
4. Tighten pins (F) strongly.
The roller has to be installed precisely.
5. Connect the protective conductor to the inside of cover.
6. Mount again the printer cover.

Vita II series Replacing components
03/10 Service instructions 19
4.4 Replacing the label photocell
Soiling of the label photocell can also cause malfunctions.
Before replacing the label photocell, check whether it is soiled
and clean it if necessary (see chapter 3.4, on page 14).
Figure 7
1. Remove media from the printer.
Removing label
photocell 2. Remove the left printer cover.
3. Slide the label photocell assembly onto the tab (B) towards the left
printer cover until it stops.
4. Unplug the cable (C) from the plug on the rear end of the label
photocell (A).
5. Pull out the label photocell (A) via the tab (B) towards the right
cover side.
1. Insert the label photocell (A) into the guide from the cover side
and slide it onto the tab (5) towards the left printer cover.
Installing the label
photocell
2. Connect the cable (C) to the label photocell (A).
3. Pull the label photocell (A) via the tab (B) as far as possible
towards the right cover side.
This prevents the cable (C) from being pinched when installing the
left printer cover.
4. Install the left printer cover.
5. Adjust the label photocell.

Replacing components Vita II series
20 Service instructions 03/10
4.5 Replacing the CPU PCB
Figure 8
1. If possible, save the printer configuration to a CompactFlash card.
Removing the
CPU PCB 2. Unplug the printer from the electrical outlet.
3. Detach all interface cables from the back of the printer.
4. Remove the memory card from the slot.
5. Screw off the left printer cover.
6. Unplug all side plug connections from the CPU PCB.
7. Remove the four screw bolts (A) and two fixing bolts (B) from the
CPU PCB.
8. Carefully remove the CPU PCB.
1. Place CPU PCB into the printer.
Installing the
CPU PCB 2. Secure PCB with the four screw bolts (A) and two fixing
screws (B).
3. Insert all plug connections on the PCB.
4. Pull the label photocell towards the right cover side as far as
possible (see chapter 4.5, on page 20) and install the left printer
cover.
5. Restore all interface connections on the back of the printer.
6. Connect the power cable at the rear of the printer.
7. Update the firmware if necessary.
8. Adjust the label photocell.
9. Load the printer configuration from the memory card if possible.
Otherwise, set the printer configuration via the operating panel.