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Valentin Solo type Service Manual

Thermal transfer printer
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Service manual

Thermal Transfer Printer
Solo type
79.25.025 • 12 December 1997
Carl Valentin GmbH • Neckarstraße 78-80 & 94 • 78056 VS-Schwenningen
support@valentin-carl.de • http://www.valentin-carl.de

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  • Page 1: Service Manual

      English Service manual Thermal Transfer Printer Solo type 79.25.025 • 12 December 1997 Carl Valentin GmbH • Neckarstraße 78-80 & 94 • 78056 VS-Schwenningen support@valentin-carl.de • http://www.valentin-carl.de...

  • Page 3: Table Of Contents

    Table of contents Table of Contents 1. Block circuits ............................1 1.1. Block circuit baseboard (CPU & network) ..................1 1.2. Block circuit option board ......................2 1.3. Wiring diagram ..........................3 2. Electronics ............................4 2.1. Check-points ..........................4 2.1.1. Voltage supply baseboard....................4 2.1.2. Voltage supply option board .....................4 2.1.3.

  • Page 5: Block Circuits

    Service manual 1. Block circuits 1.1. Block circuit baseboard (CPU & network) The corresponding plan is available on demand.

  • Page 6: Block Circuit Option Board

    Service manual 1.2. Block circuit option board The corresponding plan is available on demand.

  • Page 7: Wiring Diagram

    Service manual 1.3. Wiring diagram The corresponding plan is available on demand.

  • Page 8: Electronics

    Service manual 2. Electronics 2.1. Check-points 2.1.1. Voltage supply baseboard Check-point description value JP6,7 PIN 1a,c JP16 PIN 1,2 JP6,7 PIN 32a , c JP24 PIN 1-3 18V (printhead solo 51) 21V (printhead solo 80) JP24 PIN 4-6 JP30 PIN 1 JP25 PIN 1 ~35V...

  • Page 9: Photocells

    Service manual 2.1.3. Photocells Label photocell: Transmission JP2: PIN 1 ~1,2V PIN 2 see below PIN 3 PIN 4 Depending on the transparency of the label res. backing paper the voltage at the input of the AD-converter is changing. In sketch 1 a typical voltage wave form at "INP" is shown ( measurable at U6 PIN3 too). In case the adjusted value of the sending current of the photocell is not sufficient, e.g.
  • Page 10 Service manual label photocell: reflection JP3: PIN 1 PIN 2 see sketch PIN 3 ~ 2V PIN 4 The voltage wave form at "INP" is similar to the one described under A ( measurable at U6 PIN4 too). It has to be considered that the marking for the reflection photocell must be in a distance of 32,5 mm to the interior rim, so that the photocell recognizes the marking.
  • Page 11 Service manual Dispensing photocell JP4: PIN 1 PIN 2 see sketch PIN 3 ~ 1,2 V PIN 4 The typical voltage wave form at "INP" (measurable at U6 PIN 5 too) is shown in sketch 3. As standard a level of 2,6 V is adjusted. If a label is under the dispensing photocell, the level at "INP" must be higher than 2,6 V.

  • Page 12: Clock-Signals

    Service manual Ribbon check JP1: PIN 1 PIN 2 High resp. Low PIN 3 ~ 1,2 V PIN 4 The photocell "ribbon-check" is checking if there is ribbon for printing. If ribbon has been properly loaded the photocell is sending a "Low"-signal; if there is no ribbon a "High"-signal. The "INP"-level can be displayed in the menu item "Parameter of the photocell"...

  • Page 13: Strobe-Signals

    Service manual 2.1.5. Strobe-signals Print head KMT-51 (Kyocera) check point description value U24: PIN 14 Strobe1 PIN 12 Latch1 PIN 16 Strobe2 PIN 5 Latch2 PIN 9 Strobe3 PIN 7 Latch3...
  • Page 14 Service manual Print head FP 80-8X (Mitsubishi) check point description value U24: PIN 14 Strobe1\ PIN 16 Strobe2\ PIN 18 Latch\ PIN 9 PIN 12 PIN 5 PIN 7 PIN 3...
  • Page 15 Service manual Print head KHT-80-8MPU1-VA (Kyocera) check point description value U24: PIN 14 Strobe1\ PIN 16 Strobe2\ PIN 18 Latch\ PIN 9 CONT1\ PIN 12 CONT2\ PIN 5 CONT3\ PIN 7 CONT4\ PIN 3 CONT5\...

  • Page 16: Motor Signals

    Service manual 2.1.6. Motor signals check point (CPU) description value PIN15 VOR A Motor ein Motor aus PIN12 VOR B PIN9 FR VOR "VOR A" and "VOR B" are two rectangular signals by 90° displaced phases. 2.1.7. External control inputs / outputs (option board) check point description...

  • Page 17: Component Parts Of Baseboard

    Service manual 2.2. Component parts of baseboard The corresponding plan is available on demand.

  • Page 18: Component Parts Of Option Board

    Service manual 2.3. Component parts of option board The corresponding plan is available on demand.

  • Page 19: Changing Of Fuses

    Service manual 2.4. Changing of fuses 2.4.1. Primary fuse solo rear panel: The primary fuse is in the power line filter block and accessible from outside. After plugging out, the cover can be removed. There behind you will find the fuse-switch, which has to be drawn near to change the fuse.

  • Page 20: Service Monitor

    Service manual 2.5. Service monitor 2.5.1. Valuation of label parameters In function menu "Parameter of label photocell" you will find the service monitor, by which the photocells can be checked res. adjusted. When measuring the labels the values will be displayed in the first line, thereby the following measured voltages are shown: absolute minimum (measured on backing-paper) smallest maximum (measured on label)

  • Page 21: Error Message: Label Error

    Service manual 2.5.2. Error message: label error Possible reasons of this error message "Label error" are the following:  Too thick res. opaque backing paper In this case the value of A will be too high. This means, that the printer cannot distinguish between label and backing paper.

  • Page 22: Error Elimination

    Service manual 2.5.3. Error elimination In case the photocell already had been adjusted so that the difference between A and B has received the highest possible value (as described in chapter "2.1.3. Photocells"), the "sensitivity of the label photocell" can be adjusted. 2.5.4.

  • Page 23: Mechanics

    Service manual 3. Mechanics 3.1. Exchange of print head Attention: Before working at the print head: Accomplish safety control against electrostatic charge!  Switch off machine and plug it out!  Lift print head bracket (B) with print head by turning clamping lever (A) counter-clockwise. ...

  • Page 24: Adjustment Of Print Head

    Service manual 3.2. Adjustment of print head 3.2.1. Pressure Avoid increase of print head pressure as much as possible, because a pressure too high damages the print head and decreases its life time.  Print quality too faint (even when using highest contrast): After loosening the counter nut (A), increase pressure by turning adjusting nut (B) clockwise.

  • Page 25: Cleaning Of Print Head

    Service manual 3.3. Cleaning of print head While cleaning the print head the printer has to be switched off!  Turn up print head (2) by turning the lever (1) as if loading labels.  The print head automatically turns up. If this does not happen please turn the print head manually but carefully up.

  • Page 26: Exchange Of Pressure Roll

    Service manual 3.4. Exchange of pressure roll  Switch off machine and plug it out!  At first remove 2 screws on the bottom of the printer and the lock-in bolts for the right cover at the top edge of the chassis, then take off left cover. ...

  • Page 27: Exchange Of Ribbon Unwinding Roll

    Service manual 3.5. Exchange of ribbon unwinding roll  Switch off printer and plug it out!  Take off safety washer (A).  Turn roll (B) clockwise and pull it outwards the pillar (D) at the same time. Attention: Danger of injury at thin spring steel plate. ...

  • Page 28: To Oil And Lubricate

    Service manual 3.6. To oil and lubricate Following all oil and lubricate points of the printer are shown: Note: The printer is to be oiled and lubricated completely twice a year!

  • Page 29: Option Dispenser

    Service manual 3.7. Option dispenser 3.7.1. Exchange dispenser  Switch off machine and plug it out!  At first remove 2 screws on the bottom of the printer and the lock-in bolts for the right cover at the top edge of the chassis, then take off left cover. ...

  • Page 30: Option Cutter

    Service manual 3.8. Option cutter 3.8.1. Cleaning/ servicing/changing of cutter Attention: Danger of injury while working at the cutter! Switch off printer and plug it out!  At first remove 2 screws on the bottom of the printer and the lock-in bolts for the right cover at the top edge of the chassis, then take off left cover.

  • Page 31: Options Winder Pr 25 / Pr 26

    Service manual 3.9. Options winder PR 25 / PR 26 3.9.1. Exchange motor  Switch off printer and plug it out!  Draw off 2-pin plug of the winder which you will find on the rear panel.  After having removed the screws (A1, A2), take off winder. ...

  • Page 32: Option Memory-Card

    Service manual 3.10. Option memory-card 3.10.1. Mounting of MC plug-in unit  Switch off printer and plug it out!  At first remove 2 screws on the bottom of the printer and the lock-in bolts for the right cover at the top edge of the chassis, then take off left cover.

  • Page 33: Possible Sources Of Error

    Service manual 4. Possible sources of error 4.1. Error messages on the display error message possible causes how to solve the problem    print head temperature print head too hot wait until print head has cooled down  ...
  • Page 34 Service manual error message possible causes how to solve the problem    no Memory-Card Memory-Card not / not enter Memory-Card correctly entered    not enough memory max. storage space of use a new Memory-Card Memory-Card is reached ...
  • Page 35 Service manual error message possible causes how to solve the problem    number of lines in printing mode correct number of lines "continuous labels" number of lines too low    interface protocol incorrect setting of SOH change interface protocol and ETB ...

  • Page 36: General Errors

    Service manual 4.2. General errors In case of error you should generally check, if all fuses are in order, see chapter 2.4. error possible causes how to solve the problem    bad or wrong print wrong contrast adjustment adjust contrast in menu item "Printer parameters"...
  • Page 37 Service manual error possible causes how to solve the problem    wrong entry via keyboard defective exchange keyboard external keyboard    display is dark display defective exchange display (although the printer   activation wrong exchange U16 runs) ...
  • Page 38 Service manual error possible causes how to solve the problem    ribbon is creasing ribbon-unwinder defective exchange unwinding roll (see chapter "3.5. Exchange of ribbon unwinding roll")   spring in ribbon-unwinder does exchange unwinding roll not work (see chapter "3.5.

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Solo thermal transfer printer

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