Service manual - carl
Contents
1. NNI 5 22 Service manual In connection with the exchange of the pressure roll the complete printer mechanics should be oiled and lubricated see chapter 3 9 To oil and lubricate as the lubrication points are free accessible after the following instructing steps gt Switch off machine plug out gt After removing screws A1 A2 take off left cover gt After removing 4 screws B only one is displayed take off cover of power unit gt Pull off all cable plug connectors from power unit plate Attention Take notice of the position of plugs for the purpose of reinstallation gt After removing nuts C1 C4 take off power unit plate gt Loosen screws D1 D4 and take off transformer gt Pull off cable plug connectors JP9 JP10 JP12 JP14 JP11 from CPU board Specifications see circuit board and cable Attention In spite of specification take notice of the position of the plugs for the purpose of reinstallation gt Pull off cogged belt E from return pulley F and remove it from rewinder M gt After removing the hexagonal head screw take off return pulley F Therefore hold return pulley at the opposite side and take it off too gt After removing nuts and screws G1 G5 take off the complete print mechanics to the right hand side Attention While screwing off the nuts and screws pay attention to the print mechanics so it won t fall down gt A2. Service manual 3 12 Option date time U7 RTC 72421A RGR IN Installation gt Switch off printer and remove CPU gt Insert IC U7 RTC 724214 in therefore provided socket Hereby pay attention to correct positioning gt When soldering in battery pay attention to direction of polarization gt Reinstallation of CPU Attention Use only original parts 39 Service manual 3 13 Option external inputs outputs DEU aK N RT RI PC 849 2x Installation P Switch off and open printer gt Remove cover sheet on rear panel cutout for I O plug gt Installation of l O plug whereby the plug has to be installed below and the socket above gt Insert IC PC 849 in socket Attention U 21 has to be adjusted differently from U 22 see PIN 1 of socket Attention Use only original parts 40 Service manual 4 Possible sources of error 4 1 Error messages on the display error message possible causes how to solve the problem printhead temperature printhead too hot wait until printhead has cooled down line too high position of line outside of label place line in a lower position Y check rotation font line too low position of line outside of label place line i
3. Table of contents 3 9 To oil and lubricate neurea aaa e ANER A aE TEA E 33 23 10 Option cutter aia pem tie ee a ee Dd eer De ee i aai 34 3 10 1 Moveable cutter exchange of cutter ledge ssseeeese 34 3 10 2 To adjust cutter onani a ai aaa i Ea iN E 36 3 10 3 Exchange of synchroflex drive nennen 37 3 1 Option dispenser aiii ioa cic a aae Dee DE Eod dee DI 38 312 Option date tme itte t etx cette reifen 39 3 13 Option external inputs outputs nennen nennen nnne nene 40 4 Possible sources of error seeeeseseseeeeeeeeeeee eene enne nnne nint nn nnne nnne i nnn tnne iain nnns nien n iran nnns 41 4 1 Error messages on the display sssssssssseeeene eene nennen enn 41 4 2 General erorS te oot o eheu tu ic i ed 44 II Service manual 1 Block circuits 4 Block circuit CPU The corresponding plan is available on demand Service manual 1 2 Block circuit power unit The corresponding plan is available on demand Service manual 1 3 Wiring diagram The corresponding plan is available on demand Service manual 2 Electronics f 2 1 Check points 2 1 1 Voltage supply power board check point JP9 PIN 1 2 3 JP9 PIN 4 5 JP9 PIN 6 7 14 JP7 PIN 1 4 JP7 PIN 5 8 JP6 PIN 3 JP5 PIN1 R30 right PIN R30 left PIN description VCC VDD GND VH GND 12V VM VG VR value 5V OV 18V OV
4. 12V 29V 29V 11 5V 2 1 2 Voltage supply CPU check point JP4 JP4 JP4 JP4 JP4 PIN 1 2 PIN 4 5 PIN 6 7 14 PIN 8 PIN 9 10 description VCC VDD GND SUPPLY 1 12V Service manual Label photocell Transmission JP10 PIN 1 VSS 1 2V PIN 2 INP PIN 3 INP see below PIN 4 GND OV 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 V23 PINS too label backing paper sketch 1 In case the adjusted value of of the sending current of the photocell is not sufficient e g when using extremely thick or thin backing paper it can be adjusted by changing P2 Rotation to the right e adjustment for thick backing paper Air Rotation to the left adjustment for thin backing paper The INP level can be displayed in the menu item Parameter of the label photocell under Transmission photocell see chapter 2 5 4 Monitor measurement of photocell standard Service manual Label photocell reflection JP11 PIN 1 VCC 5V PIN 2 INP see sketch PIN 3 VSS DV PIN 4 GND OV The voltage wave form at INP is similar to the one described under A U Vv 5V SV t label marking 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 reco
5. and 3 4 exchange U24 exchange or clean printhead adjust printhead see chapter 3 2 Adjustment of printhead no print incorrect voltage supply driver module defective measure voltage of printhead eliminate error exchange U24 no data transmission interface module defective interface protocol adjusted wrong Baudrate adjusted wrong interface cable external defective res wrong RS232 Centronics exchange U37 exchange U43 or and U36 correct interface protocol check adjustment of Baudrate sender and receiver have to be adjusted the same check cable Memory Card will not be read does not snap in snap fastener at plug in defective exchange Memory Card pedestal no data onto Memory Card battery empty exchange battery order no 27 02 002 wrong entry via external keyboard keyboard defective exchange keyboard display is dark although printer runs display defective activation wrong voltage supply is missing exchange display exchange U49 check fuses and supply line 44 Service manual error message possible causes how to solve the problem no entry possible via foil keyboard foil keyboard defective flex print harness of foil keyboard is not plugged in correctly earthing strap is not connected exchange foil keyboard insert cable carefully in JP15 connect earthing strap transp
6. absolute minimum measured on backing paper B smallest maximum measured on label C upper switching level D lower switching level E highest measured voltage most 5 V Voltage V 5 E B CD A 0 distanceimm 0 70 label The sketch illustrates the voltage wave form of the label photocell while measuring the labels The difference between A and B should be at least 1 5 V 15 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 Very thin labels In this case the value of E res B is too low so the printer cannot distinguish between backing paper and labels voltage Pre printed label with strong differences in contrast Pre printed labels are a particular problem Here the fluctuations of voltage on the label while measuring are very high In this case the value of B will be very small In case the difference between B and A is too small the printer is not able to measure the label 16 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 ca
7. according to the sketch with screwdriver E e g size 6 to the front gt At the same time pull off manually or with a second screwdriver O belt from synchroflex drive G Installation Installation of the O belt in opposite order Attention Lever away printhead bracket F just as much as necessary so nothing gets bent Pay attention to the correct running of the O belt see sketch No lubricant onto O belt if necessary clean it 27 Service manual 3 8 Exchange of cogged belt The printer had been delivered in several versions The difference is the running of the belt Following the different versions are shown in picture The steps to exchange a belt are as much the same so they will only be described detailed for the standard version Note In the need of spare parts the versions 1 3 should be converted to version 4 standard 3 8 1 Standard version 4 since august 93 CPU board d cover of power unit 28 Service manual gt Switch off machine plug out gt After removing the screws A1 A2 take off the left cover gt After removing 4 screws B only one is displayed take off cover of power unit gt Pull off all cable plug connectors from the power unit plate Attention Take notice of the position of the plugs for the purpose of reinstallation gt After removing the nuts C1 C4 take off power unit plate gt Remove defect cogged belt D gt A
8. B2 including cables Considering machines with dispenser screw off dispenser photocell Unscrew screws C1 C2 about 3 rotations by a ring spanner thereby pay attention to the position of printhead for the purpose of reinstallation Press latch lever D backwards and draw off printhead E to the front Installation Install the new printhead with placed screws C in opposite order Do not touch the contacts of the printhead While installing pay attention that termistor cable lies in the cut out provided for Pay attention to the correct fit of the printhead guiding 18 Service manual 3 2 Adjustment of printhead 3 2 1 Parallelity gt Loosen screws A1 A2 about 1 2 rotations with ring spanner gt A Adjust parallelity by screws B1 B2 gt Depending on the print quality adjust more until the print quality is correct gt Tighten screws A1 A2 again 3 2 2 Pressure Avoid increase of printhead pressure as much as possible because a pressure too high damages the printhead and decreases its life time Print quality too faint even when using highest contrast Release lever E or after loosening counter nuts C1 C2 increase the pressure with adjusting nuts D1 D2 19 Service manual 3 3 Cleaning of printhead and pressure roll increase pressure Principally it is advisable and necessary to clean the printhead in regular intervals depending on
9. the printer s operating hours and its environment e g dust etc With a test print it can be easily found out whether the printhead is soiled or defective a printhead is o k b printhead is defective soiled K A While cleaning the print head the printer i Gy has to be switched off S 20 Service manual gt Turn up printhead bracket by the rotary button 4 as if loading labels gt Press lever 1 to the back gt The printhead 2 automatically turns up If this does not happen please turn up the printhead carefully gt Clean the lower surface of the printhead only with dry cleaning solvent As expedient a close woven cotton cloth is recommended In case this procedure is not sufficient the printhead can be cleaned with a special cleaning foil to be obtained from us gt After cleaning clap the printhead down until lever 1 snaps again Attention Scratching strong rubbing or using rough or hard subjects for cleaning is absolutely to be avoided as the printhead is very sensitive Cleaning of pressure roll In certain intervals the pressure roll has to be cleaned with spirit dust soil etc Increase pressure In case of insufficient quality of print pull up lever 3 e g when using carton thick label material or very small fonts 21 Service manual 3 4 Exchange lower pressure roll CPU board power unit View Z A
10. LAN valentin ETIKETTENDRUCKSYSTEME English Service manual Thermal Transfer Printer Desco type 79 69 025 12 December 1997 Carl Valentin GmbH Neckarstra e 78 80 amp 94 78056 VS Schwenningen support valentin carl de http www valentin carl de Table of contents Table of contents 1 Block quiu cM 1 121 Block circuit GPUs rn cui eae ge tee eie eden ete t ee Ra ue Arie et 1 1 2 Block circuit power Unitesi marii tiita iat ener ennnrenen nennen nnne 2 1 3 Wirlng diagram uiui cick arce Rene eee ee t n eta n eeu eges 3 2 Electronics oin op A ee ix Rx I INR A E EEE A EEE O A ev ushuerseeuxeee T 4 P BA 1 10 Sonic II 4 2 1 1 Voltage supply power board sse ener 4 2 1 2 Voltage supply CPU ensem en nentes nnn en terrens 4 2 1 3 P hotocellS 55 siii eir STE THLTERSTFLESEEITEELTUFEFTEFEESTLELFEPSCHTEREFTTERLFBPETRFERERSELET 5 2 1 4 Clock signals iiim RR UENIRE UIDI 9 2 1 5 Strobe sighals 5 nene eM PURI EERER AE UTERE MS 9 2 1 6 Motor signals ee ge 10 2 1 7 External control inputs outputs ssssse eene nennen 11 2 2 Component parts OfO PU arisini a nn 12 2 3 Component parts of power supply enne ener enne 13 2 4 Ghangirig of TUS S iu ec serine teo LER ne eee 14 2 4 1 Primary Use ne etd eva eee Ene dee en ev adie o ee pcena cune 14 2 4 2 SOCONG ALY TUS nun erinnern Endes 14 25 Servic
11. OUTPUT 4 value 5509 Adder 12 24 11 Service manual 2 2 Component parts of CPU The corresponding plan is available on demand 12 Service manual 2 3 Component parts of power supply The corresponding plan is available on demand 13 Service manual 2 4 Changing of fuses 2 4 1 Primary fuse 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 F fine wire fuse T1 0A power line filter block F3 2 4 2 Secondary fuse Attention The machine should only be opened by competent staff Plug out before removing the left cover After removing the left cover a further cover plate is visible There behind you will find the power supply board with 2 secondary fuses F1 fine wire fuse T 1 0 A fuse for 5 V and 12 V supply F2 fine wire fuse T 10 0A fuse for motor voltage 29 V and burning voltage 18 V motor 14 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 A
12. ct switch of Memory Card is ON use a new Memory Card deactivate write protection wrong type of Memory Card wrong Memory Card entered 256 K check type of Memory Card and change enter Memory Card 128 K label exists already label name already stored on Memory Card change label name no label exists label name not stored on Memory Card search through the contents of the Memory Card and select the desired name unknown error internal storage error on Memory Card store data anew use a new Memory Card serial EEPROM max write cycles reached change EEPROM printing active when copying a Memory Card hilst print command is active wait until printer is ready command statement wrong invalid command statement check command statement and change overrun receiving byte is written though it transmit anew Has h l baon Ceaked yet Please contact your distributor framing wrong Baudrate check Baudrate and change parity wrong parity check parity and change incorrect password entered code is not correct entered code when formatting a Memory Card is not correct enter correct code enter correct code 42 Service manual error message possible causes how to solve the problem number of lines in printing mode continuous labels number of lines too low correct number of lines interface protocol incorre
13. ct setting of SOH and ETB change interface protocol ribbon or printhead error no transfer ribbon printhead not closed load transfer ribbon close printhead cutter errot no cutter available cutter will not be switched off cutter photocell or micro switch are defective print mode Cutter OFF or connect cutter Please contact your distributor power failure please wait loss of voltage supply check power line and surroundings no RTC installed no RTC ram add RTC ram RTC mode RTC entry incorrect check RTC entry and change RTC format string RTC format string faulty check RTC format string and change dispenser photocell defect or not connected defective dispensing photocell dispensing photocell not connected exchange dispenser photocell connect photocell 43 Service manual 4 2 General errors Generally speaking in case of an error you should check if all fuses are in order see chapter 2 4 Changing of fuses error message possible causes how to solve the problem bad or wrong printout contrast adjusted wrong printhead or pressure roll sticky dirty printhead defective pressure roll is run in driver module defective single dots are missing printhead is badly adjusted adjust contrast in menu item Printer parameters r clean with methylated spirits exchange defective parts see chapter 3 1
14. e ITIOnitOr 1 cune tet t E o ERE rt ep EE Regin gea EE cre e RE cad 15 2 5 1 Valuation of label parameters scrini ii aea Ea AAEE RNE EENAA 15 2 5 2 Error message label Grrr snenia i anna aE ETAN A E dete tg 16 2 5 3 Error elimination teet eme e A E 17 2 574 MOMO sorei ee terre rien Eee 17 3 Mechanics A 18 3 1 Exchange of printhead ariii a EE E EEA EAE EE A nen 18 3 2 Adjustment of printhead cece ee eeeeeeenneeeeeeaeeeeeeaaeeeeeeaaeeeeeeaaeeeeeeaaeeeseeaaeeeseeaaeeeeneaeeeeeeaas 19 3 211 Parallellty Ha en 19 3 2 2 Pressure ee 19 3 3 Cleaning of printhead and pressure roll increase pressure uneensssnsennesnnnennennnnennennnn 20 3 4 Exchange lower pressure roll 2200 44440444 Hnnannnennnnnnannnnnnnnnnnnnnnannnnnnnnnnnnnnnnnnnnnnnnnnnnnen 22 3 5 Exchange upper ribbon tension Toll ecse rasi iaten enian EE ERAEN EEA enm emen 24 3 6 Exchange of ribbon unwinding rolepsresrsirearen ai e EAE E E 25 3 7 Exchange of O b6lt 2 3 ote eb v iod eet npe vp aa AE aAA 26 3 8 Exchange of cogged belt ette ct ete net et e bentes 28 3 8 1 Standard Version 4 cii an 28 3 8 2 Version unwinding roll inverse ssseeeneeenm emen 30 3 8 3 Thermal Version i deemed ette KEA AT de e Eua RD Hed PE cu RR marine 31 3 9 4 VSISIOD Toc ede eter ec ee rtt ere Re eet rex ERROR 31 3 8252 MW e e p PT 32 3786 NGISION NT 32
15. et circuit board with photocell flexible shaft innershaflt I 722222 22 2 2 2X 2 2 2 2 1 2 side wall As long as the photocell sends light onto the inner shaft High results In case the photocell sends light onto the flexible shaft black Low results The INP level can be displayed in the menu item Parameter of the photocell under transfer ribbon photocell Hi or Lo see chapter 2 5 4 Monitor Attention Inner shaft should not be soiled Service manual check point U8 PIN78 PIN79 U25 PIN3 PIN5 U11 PIN3 check point U24 PIN7 PIN9 PIN12 PIN14 PIN16 PIN17 description CLK CPU CLK CPU RESET RESET NMI value 20MHz 2 1 5 Strobe signals description Strobe1 Latch1 Strobe2 Latch2 Strobe3 Latch3 Service manual 2 1 6 Motor signals check point CPU description value U19 PIN15 VOR A PIN12 VORB PIN9 FR VOR 5V VOR A and VOR B are two rectangular signals by 90 displaced phases check point power supply description value JP9 PIN15 VOR A see above PIN16 VOR B PIN17 FR VOR 10 Service manual check point 4 x IN U12 PIN4 PING PIN8 PIN10 4 x OUT U22 PIN2 PIN3 PING PIN7 2 1 7 External control inputs outputs description ext input pulse INPUT 1 INPUT 2 INPUT 3 INPUT 4 OUTPUT 1 OUTPUT 2 OUTPUT 3
16. fter removing screws F1 F4 take off motor Thereby take off short cogged belt gt Pull off belt drive G from shaft after screwing off the two locking screws gt Take off cogged belt D Installation Installation of new cogged belt and reinstallation of all components in opposite order Attention Take notice of the correct fit of the cogged belt D see concerning version 29 Service manual 3 8 2 Version unwinding roll inverse running of belt Service manual 83 Thermaversiion running of belt running of belt Service manual 85Vesion2 running of belt 3 8 6 Version 3 since December 92 until July 93 running of belt Service manual 3 9 To oil and lubricate Following all oil and lubricate points of the printer are shown Attention It is advisable to lubricate and to oil printer completely twice a year duennes Oel thin oil gt Fett lubricant mit Spiritus n rolls with sp 33 3 10 Option cutter 3 10 1 Moveable cutter exchange of cutter ledge Note The points marked are to be oiled 3 times a year 34 Service manual Attention Danger of injury while working at the cutter gt Switch off machine plug out gt Open right cover gt Rem
17. fter removing screws H1 H4 take off the motor Thereby remove short cogged belt L Attention While taking off the motor the two Delrin belt drives I1 I2 will be loosened gt Loosen locking screws J1 J2 and take out pair of belt drives K with spacer piece and ball bearing gt Take off locking washer N and ball bearing O on the other side of the shaft Then take out downwards pressure roll P of the print mechanics gt As much as possible clean the ball bearing in dry cleaning solvent and then lubricate new gt Oil and lubricate the complete print mechanics according to chapter 3 9 To oil and lubricate gt If necessary the upper ribbon tension roll can be exchanged at the same time according to chapter 3 5 Exchange upper ribbon tension roll Installation gt Installation of the new roll and reinstallation of all components in opposite order gt Regard that locking screw J1 meets milled surface of the roll 23 ervice manual 3 5 Exchange upper ribbon tension roll d cover of power unit View Z CPU board 24 Service manual gt Switch off machine plug out gt After removing screws A1 A2 take off left cover gt After removing 4 screws B only one is displayed take off cover of power unit gt Pull off cogged belt C from return pulley D gt Loosen locking screws E1 E2 and pull off belt drive F with belt spacing washer and ba
18. gnizes the marking marking label Standard The INP level can be displayed in the menu item Parameter of the photocell under Reflection photocell see chapter 2 5 4 Monitor The marking should have a size of at least 7 mm x 3 mm or bigger Service manual Dispensing photocell JP12 PIN 1 VCC 5V PIN 2 INP see sketch PIN 3 VSS 1 2V PIN 4 GND OV The typical voltage wave form at INP measurable at V23 PIN 5 too is shown in sketch 3 label no label 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 If the label is being removed the voltage must lower under 2 6 V In some cases it is necessary to change the level of the dispensing photocell This can be done in the menu item Printer initialization LS Dispenser level The INP level can be displayed in the menu item Parameter of the label photocell under Dispensing photocell see chapter 2 5 4 Monitor Service manual Ribbon control JP9 PIN 1 VCC 5V PIN 2 INP High res Low PIN 3 VSS 1 2V PIN 4 GND OV The photocell ribbon control checks if the ribbon is moving By that alterate high and low signals are measurable at INP which should have a ratio as much as possible of 1 1 The ribbon control works with a ratio of 1 2 too The photocell has to be adjusted and should be fixed as shown in the sketch below angle brack
19. if the cutter cuts correctly If not repeat the steps 36 Service manual 3 10 3 Exchange of synchroflex drive CPU board cover of power unit gt Switch off machine plug out gt Take off left cover upwards after removing both screws A1 A2 gt Remove screw B thereby hold bed bolt C with a slotted screwdriver on the opposite side gt Remove screw D together with bracket E gt Take out synchroflex drive F whereby at the same time you have to take off the O belt from the driving gear on the inner side of the print mechanics Installation gt Installation of the new drive and reinstallation of all components in opposite order gt While installing pay attention to the correct fit of the belts gt Insert the synchroflex drive centric into the boring provided for otherwise it will grind Attention The integrated grooved ball bearing has to catch the cogged belt drive clockwise according to the sketch Otherwise place cogged belt drive with bearing the other way around 37 Service manual 3 11 Option dispenser In case a label has been winded up around the pressure roll it may not be scratched off with a knife The label has to be torn off manually as much as possible and possibly remains of adhesive have to be wiped off with spirit The roll may not be damaged on its surface How to load labels in dispensing mode see the corresponding operating manual 38
20. ll bearing from the shaft gt Take off locking washer G on the other side of the shaft gt Take out tension roll H of the print mechanics gt As much as possible clean ball bearing in dry cleaning solvent and then lubricate new Installation Installation of the new roll and reinstallation of all components in opposite order Attention Take notice of the correct fit of the cogged belt C 3 6 Exchange of ribbon unwinding roll gt Switch off machine plug out gt Take off locking washer A gt Turn roll B clockwise and pull it outwards the pillar D at the same time Attention Danger of injury at thin spring steel plate gt Incase spring C remains in unwinding roll pull it outside with rotary motion at the same time Installation gt Lubricate pillar D and push spring approx to the middle of the pillar if possible a new one gt Lubricate spring from outside gt Turn the ribbon unwinding roll by clockwise rotations onto the spring After approx 10 rotations press the roll far inside and fix locking washer 25 Service manual 3 7 Exchange of O belt Service manual gt Switch off machine plug out gt Open right cover gt By turning the knurled knob A counter clockwise press down the printhead gt Take off locking washer B gt Pull off O belt C from ribbon unwinding roll D and take it out gt Carefully lever the printhead bracket F
21. n a higher position YW check rotation font font not installed selected font not existant check font and change character not in font character not included in font change font entry of consecutive numbers incorrect entry of consecutive numbering check entry of consecutive numbering and change magnification code entered SC factor is invalid check SC factor and change width lines or boxes line projects label rim change line graphic data graphic not found on MC selected graphic not stored on Memory Card store the graphic on the Memory Card check digit wrong entered check digit is faulty in check digit control recalculate check digit check code data incorrect number of digits entered number of characters invalid check code data incorrect entry of code mask statement code faulty check code statement internal font error faulty font Please contact your distributor label or printhead error no labels printhead not closed load labels close printhead 41 Service manual error message possible causes how to solve the problem no Memory Card no Memory Card or not correctly entered enter Memory Card not enough memory max storage space of Memory Card is reached use a new Memory Card delete files on Memory Card that are no longer needed write protected Write Prote
22. n be adjusted 2 5 4 Monitor After activating the key again in menu Parameter of label photocell the photocell monitor will be activated On the display of the printer the following appears transmission photo cell 1 2 14 The digit represents the measured voltage the black bar represents the measured voltage as graph the last character shows the position of the photocell above label above backing paper O atthe edge label backing paper The monitor serves to check the label photocell to its function As well it is possible to move the label manually under the photocell to obtain an idea of the voltage wave form and to be able to judge if the label can be measured The difference of backing paper and label should be higher than 1 5 V see chapter 2 1 3 Photocells After activating the key again Reflexion photocell appears for checking the reflexion photocell see chapter 2 1 3 Photocells then Dispensing photocell 3 see chapter 2 1 3 Photocells Printhead temp XX degrees Printhead temperature Ribbon photocell Hi or Lo see chapter 2 1 3 Photocells 17 Service manual 3 Mechanics f 3 1 Exchange of printhead thermistor Before working at the printhead Accomplish safety control against electrostatic charge Switch off machine plug out Lift printhead bracket with printhead by turning knurled knob A clockwise Pull off printhead plug B1
23. ort irregular labels run through without stopping photocell dirty photocell defective photocell adjusted wrong clean photocell exchange photocell see chapter 2 1 3 Photocells no transport of labels cogged belt torn motor res motor activation defective exchange cogged belt check motor see chapter 2 1 6 Motor signals labels are not rewinded cogged belt torn sliding clutch in rewinding roll adjusted too weak exchange cogged belt adjust sliding clutch ribbon is not rewinded cogged belt torn O belt torn O belt drive defective only cutter exchange cogged belt exchange O belt exchange drive ventilator is not running ventilator defective voltage missing exchange ventilator emeasure voltage eliminate error RTC is not running battery defective RTC defective exchange battery exchange RTC cutter does not cut correctly cutter adjusted wrong cutting edge blunt cutter dirty photocell cutter dirty or defective motor defective adjust cutter see chapter 3 10 2 To adjust cutter exchange cutter clean cutter clean or exchange photocell exchange motor label dispenser is not working dispensing photocell dirty defective control input defective label transport defective clean exchange dispensing photocell exchange U21 see above no label transport It is recommended to test the printout from time
24. ove 4 screws A and take off front plate above C gt Remove nut B and take off holding shaft gt Fix spring D at magnetic adjusting screw E gt Take off locking washer of the inner side of bearing lever of cutter F gt Pull bearing shaft G outwards gt Atthe same time take off the complete moveable cutter F H to the front Attention Do not loose 2 spacer rings on the bearing shaft gt Remove two screws l gt Take off cutting ledge J Attention Pay attention to the position of slide bearing K with integrated intermediate L in case they will loosen On the right side of the cutter ledge the intermediate loosens too Pay attention to the position Installation gt Install Sharpened cutter in opposite order gt Adjust cutter according to chapter 3 10 2 To adjust cutter 35 Service manual 3 10 2 To adjust cutter Switch off machine plug out Open right cover Loosen 2 screws A about 1 rotation Insert screwdriver B according to sketch control While pressing down the screwdriver the moveable cutter C has to move upwards Press down screwdriver so the left upper edge of the moveable cutter C stands about 0 5 mm above the lower edge of the cutting ledge D Move the cutting ledge D towards the moveable cutter C and fix both screws A again Insert a piece of paper or label and check with the screwdriver
25. to time to check if all dots are working properly 45
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