Loveshaw MicroJet 5x5 Technician Manual Download Page 3

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MicroJet Trouble-Shooting Guide

iii

LOVESHAW

an ITW Company

2206 Easton Turnpike, PO. Box 83

South Canaan, PA 18459

Tel: 1-800-962-2633 or 570-937-4921

Fax: 570-937-4016

www.LOVESHAW.com

[email protected]

Loveshaw Europe A Division of ITW LTD.

Unit 9 Brunel Gate

West Portway Industrial Estate

Andover, Hampshire SP10 3SL

ENGLAND

Tel: 264-357511

Fax: 264-355964

www.LOVESHAW.com

[email protected]

DocumentrevisedMay10,2001.Thisdocumentcovershardwaremaintenanceproceduresforthenew MicroJetPrinters.LoveshawanITWCompany

Route296,Box83SouthCanaan,PA18459. Divisions:PadlockerCaseSealers PadlockerPackagingSystems LittleDavidCaseSealers

LittleDavid

up dated 2005 by William Diehl

Summary of Contents for MicroJet 5x5

Page 1: ...Technician s Manual MicroJet Trouble Shooting Guide PART NUMBER CPM755116 TSG Classic Style ...

Page 2: ...ii MicroJet Trouble Shooting Guide Technician s Manual MicroJet Trouble Shooting Guide Copyright Loveshaw All RightsReserved ...

Page 3: ...dover Hampshire SP10 3SL ENGLAND Tel 264 357511 Fax 264 355964 www LOVESHAW com Sales loveshaw europe co uk DocumentrevisedMay10 2001 Thisdocumentcovershardwaremaintenanceproceduresforthenew MicroJetPrinters LoveshawanITWCompany Route296 Box83SouthCanaan PA18459 Divisions PadlockerCaseSealersPadlockerPackagingSystemsLittleDavidCaseSealersC LittleDavid Jet Printers This documentation is Copyright 1...

Page 4: ... isoff 5 K Valvedoesnot print but purges 5 L Valvesprint but will not purge 6 M Pump doesnot run 6 N Ink leaksfrom ink bottlecap 6 O Product delay character width changing on product 7 P Ink not drying on product 7 Q Nozzleplateweepsink 7 R Nozzleblocked 8 S Tubing looseon valveports 8 T Unit locksup after installation 9 U Tailing output 9 Low ink lamp reservoir lead removal 10 Air pump pressuread...

Page 5: ...MicroJet Trouble Shooting Guide v Copyright Loveshaw All RightsReserved ...

Page 6: ...haw factory service technician at 1 800 962 2633 Head A Ink lamp s tays on New units shippedfromthefactory containasolutionthatwill cause the lampto remain on This solution must be completely purgedout andink purgedthrough beforethelampwill goout Purge unit with lid at approximately 45 degrees light should go out If lampremains on remove pumpcover Item 21 Page 28 With power disconnected look for b...

Page 7: ...oltage is present replace CPU assembly Item 7 Page 28 Check voltagebetween pins 3 and4 onfour pinconnector on side B V oltage should be 25 volts DC If no voltage is present replace CPU assembly Item 7 Page 28 If lamp remains out call for service Head C Unit does not purge Test pump pressure Item 11 Page 28 Pressure should be between 2 0 and 3 0 psi If pressure is zero proceed to step M Check ink l...

Page 8: ...p and test for flow discharge into container and avoid getting ink on circuitcards If a weak flow or noflowis presentreplacefilter Head D Heavy printing Check dot size setting SIZE key Lower if needed Check incoming voltage from transformer V oltage between pins 1 and2 ontransformer connector shouldbeapproximately 20 volts AC see figure 5 on electrical testing diagram page 13 Purge to remove air C...

Page 9: ...not replace photocell Item 16 page 29 Head H Photocell LE D s does not turn off Check thatthereis noreflectivematerial infrontof unit If so the material should be painted a flat black color infrared does not reflect well off of a flat black surface Turn photocell holder s gently from side to side and note if LED light goes out Power theunitoff thenon LED lightshouldbeoff if not look for ink or wat...

Page 10: ...oper voltage is present replace CPU If proper voltage is not present call for service Head J CPU los ing date time when unit is off Reset and monitor for 24 hours with unit off If retest fails CPU battery must be replaced If CPU looses date time with unit on replace CPU Head K Valve does not print but purges Plug a working valve in that position and test If printing occurs replace valve If no prin...

Page 11: ...onnectors on pump figure 3a on electrical testing diagram page13 If proper voltageispresent at pump and pump isnot running removewires 2 goingtopump andcheck resistance acrosspump coil figure3b on electrical testing diagram page 13 If no voltageispresent at pump connectorscall for service Head N Ink leaks from ink bottle cap Remove brass connector Item 6 and 7 page 29 and check for presence of O r...

Page 12: ...y character width continues to move call for service Head P Ink not drying on product Check dot size setting SIZE key lower if needed Check pump pressure should be between 2 0 and 3 0 psi If pump pressure is out of adjustment see AIR PUMP PRES SURE ADJUSTMENT procedure Check to be surebox is notwaxy or oily makesuresubstrate surface has not changed Head Q Nozzle plate weeps ink Wipe nozzle plate w...

Page 13: ...ce that is blockedandapply pressure youwill seefluidmovedowndrain tube Continue flushing until tubing is clear of ink Disconnect syringe and reconnect tubing to valve port Purge and retest Repeat if necessary If nozzle is still blocked replace the nozzle plate assembly Head S Tubing loos e on valve ports If tubing is brittle replace with new 050 X 070 tubing p n CPJ00 024 0 If tubingis not hard re...

Page 14: ...tion see operators manual for additional information on 666 SLAM Head U Tailing output Check distance between head and substrate should be 1 2 max Check dot size setting readjust global and individual Make sure unit is level and not being subject to excessive vibration Purge system of air with lid at approximately 45 degrees Check pumppressure seeAIR PUMP PRESSURE ADJUSTMENT procedure page 10 Chec...

Page 15: ...d to lamp reservoir leads by pulling male and female of connector apart If a pin extraction tool is not available use a fine point object i e an X acto knife to push two locks of male pins inward towards pin body As locks of pin are being folded in firmly tug wire away from connector Repeat for each pin removed Firmly tug wire away from connector Repeat for each pin removed Head Air pump pres s ur...

Page 16: ...rass knob clockwisefor higher presser or counter clockwise for lower presser Replace tubing onto bellows shaft Place pump cover back into position and tighten the two screws V erify pump pressure at air port of the brass bottle cap using gauge assembly and turn the unit on R epeat procedure to obtain desired pump pressure MicroJet Trouble Shooting Guide 11 Copyright Loveshaw 2004 All Rights Reserv...

Page 17: ...instructions ADV ARSEL Lithiumbatteri Eksplosjonsfare V ed utskifting benyttes kun batteri somanbefalt Duracell DL2430 av apparatfabrikanten Brukt batteri returneres apparatleverandøren ADV ARSEL Lithiumbatteri Eksplosjonsfare ved fejlagtig håndtering Udskiftningmå kun ske med batteri av samme fabrik Duracell DL2430 at og type Levér det brugte batteri tilbage til leverandøren VAR OITUS Paristo voi...

Page 18: ... V AND TAK E READING ON TWO TEMINAL CONNECT TO POWER IT SHOULD BE 19 5 V AC POWER SHOULD BE ON SET METER TO OHMS AND TAK E READING ON DISCONNECTED TERMINALS WITH POWER OFF UNIT IT SHOULD BE 32 OHMS SET METER TO DC V OLTAGE NOTE TWO TOP WIRE ARE FROM RESERV OIR AND BOTTOM TWO ARE FROM THE LAMP POWER MUST BE ON SET METER TO AC V OTAGE MEASURE THE TRANSFORMER PLUGED INTO AN AC OUTLET SET METER TO OHM...

Page 33: ... 125 1 Ribbon Cable CPMA11 017 1 Ribbon Cable CPMA16 106 1 11 Air Pump CPM75 178 A 0 1 12 Low Ink Li gh t CPM75 055 A 0 1 13 M3 X 6 Roundhead Screw CPM75 S2 001 4 14 Strain Relief for coiled rou nd cable CPM75 035 0 1 Rubber Grommet for ri bboncable CPM75 041 0 15 8 32 X 1 4 Roundhead Screw CPM75 S2 004 3 16 Pump Bracket CPM75 026 1 A 1 17 Pump Bracket hinge CPM75 206 2 A 1 18 Pump Moun t CPM75 01...

Page 34: ...i tch CPM75 019 0 1 19 CableHarn ess Assy 3 pin CPMA75 101 1 Cabl eHarness Assy 4 pin CPMA11 002 20 RoundHead Screw M3 8 CPM75 S2 002 2 21 Power Connector CPM75 018 0 1 Power Con nector CPM11 006 0 22 MicrojetChassis CPM55 002 2D 1 23 Filter Assy brass ends CPJ10 017 0 2 Fil ter Assy wh i te filter CPJ10 018 0 1 24 Flat Head Screw M3 10 CPM75 S1 003 2 25 Star Washer CPM75 W1 001 2 26 Photo Cell Co...

Page 35: ...M55 112 A 4 7 ALUM THR D SPACER CPM75 136 A 4 8 NYLON THR D SPACER CPMD75 060 A 2 9 NYLON THR D SPACER CPM75 034 A 10 M3 X 20 FL HD SCREW CPM75 S1 007 2 11 M3 X 12 FL HD SCREW CPM75 S1 006 4 12 M3 X 6 PAN HD SCREW CPM75 S2 001 2 13 M3 JACK SCREW CPM55 S3 001 2 14 M3 X FL HD SCREW CPM55 S1 001 2 15 P D CHASSIS CPM55 002 D 1 16 ROUND CPU CABLE CPMA55 102 1 17 BATTERY DL2430 CPMD75 009 0 1 Figure 23 ...

Page 36: ...CPM75 012 B 1 5 V ULCANIZED PAPER CPM75 031 B 1 6 LCD SPACER CPM75 093 0 2 7 ALUM THR D SPACER CPM75 136 A 4 8 HH CPU SHELL CPM75 002 B 1 9 NY LON THRE SPACER CPM75 034 A 2 10 M3 X 25 FL HD SCREW CPM75 S1 004 2 11 M3 X 12 FL HD SCREW CPM75 S1 006 4 12 M3 X 8 FL HD SCREW CPM75 S1 005 4 13 COILED CPU CABLE CPMA75 125 1 14 BATTERY DL2430 CPMD75 009 0 1 Figure 24 BATTERY CR2430 soldered in CPM75 015 0...

Page 37: ...1 005 B 1 6 LCD SPACER CPM75 093 0 2 7 ALUM THRD SPACER CPM75 136 A 4 8 NY LON THRE SPACER CPMD75 060 A 2 9 NY LON THRE SPACER CPM75 034 A 2 10 M3 X 20 FL HD SCREW CPM75 S1 007 2 11 M3 X 12 FL HD SCREW CPM75 S1 006 4 12 M3 X 6 FL HD SCREW CPM75 S1 001 6 13 M3 JACK SCREW CPM55 S3 001 2 14 M3 X 4 FL HD SCREW CPM55 S1 001 2 15 P O CHASSIS CPM11 001 D 1 16 LOW INK CABLE ASSY CPMA11 016 1 17 THRE SPACE...

Page 38: ...M THR D SPACER CPM75 136 A 4 8 NY LON THRE SPACER CPMD75 060 A 2 9 NY LON THRE SPACER CPM75 034 A 2 10 M3 X 20 FL HD SCREW CPM75 S1 007 2 11 M3 X 12 FL HD SCREW CPM75 S1 006 4 12 M3 X 6 FL HD SCREW CPM75 S1 001 6 13 M3 JACK SCREW CPM55 S3 001 2 14 M3 X 4 FL HD SCREW CPM55 S1 001 2 15 P O CHASSIS CPM11 001 D 1 16 LOW INK CABLE ASSY CPMA11 016 1 17 THRE SPACER CPM55 107 A 2 18 DRIV ER BOARD CPMA11 0...

Page 39: ...OR CPU DOOR PAINTED EA 1 CPM75 026 B COV ER AIR PUMP EA 1 CPM75 026 1 A BRACK ET PUMP EA 1 CPM75 026 2 A BRACK ET PUMP HINGE EA 1 CPM75 041 0 GROMMET RUBBER EA 1 CPM75 055 A 0 LOW INK INDICATOR W PINS ASSY EA 1 CPM75 179 0 PC SUPPORT 1 2 INCH 03420028 A03 EF EA 4 CPM75 068 A PHOTOCELL COV ER EA 1 REPLACES FILM CPM75 052 0 CUT CPM75 081 0 CABLE CLAMP FOR TUBING EA 1 CPM75 086 0 TAG REMOV E TUBING F...

Page 40: ...5 110 0 LAT CH MICR OJE T LINE E A 1 CPM75 001 1 C FALSE BOTT OM PAINTE D E A 1 CPM75 004 B POWER BOARD ASSE MBLY AC DC E A 1 CPM75 009 0 SHIPPING BOX E A 1 CPM75 009 1 0 SHIPPING BOX INSERT E A 1 CPM75 009 2 0 SHIPPING FOAM E A 2 CPM75 010 0 PUMP MOUNTS E A 3 CPM75 019 0 SWIT CH ON OFF 24 VOLT E A 1 CPM75 024 A HANDLE FOR CPU DOOR PAINT E A 1 CPM75 026 B COVER AI R PUMP E A 1 CPM75 026 1 A BRACKE...

Page 41: ...ALSE BOTTOM PAINTED EA 1 CPM75 009 0 SHIPPING BOX EA 1 CPM75 009 1 0 SHIPPING BOX INSERT EA 1 CPM75 009 2 0 SHIPPING FOAM EA 2 CPM75 010 0 PUMP MOUNTS EA 3 CPM75 019 0 SWITCH ON OFF 24 V OLT EA 1 CPM75 024 A HANDLE FOR CPU DOOR PAINTED EA 1 BOX GUIDE 7 8 CPM75 026 B COV ER AIR PUMP EA 1 CPM75 026 1 A BRACK ET PUMP EA 1 CPM75 041 0 GROMMET RUBBER EA 2 CPM75 026 2 A BRACK ET PUMP HINGE EA 1 CPM75 05...

Page 42: ... EA 1 CPM75 009 0 SHIPPING BOX EA 1 CPM75 009 1 0 SHIIPPING BOX INSERT EA 1 CPM75 009 2 0 SHIPPING FOAM EA 2 CPM75 010 0 PUMP MOUNTS EA 3 CPM75 019 0 SWITCH ON OFF 24 V OLT EA 1 CPM75 024 A HANDLE FOR CPU DOOR PAINTED EA 1 CPM75 026 B COV ER AIR PUMP EA 1 CPM75 026 1 A BRACK ET PUMP EA 1 CPM75 041 0 GROMMET RUBBER EA 2 CPM75 026 2 A BRACK ET PUMP HINGE EA 1 CPM75 055 A 0 LOW INK INDICATOR W PINS A...

Page 43: ...ugging in the new EPROM verify that all of thelegs are in the socket and are notcurled up under theEPROM G Store the old EPROM in the anti static container for possible reuse if there is a problem Do not discard this chip Either keep it or if asked return it to L OV E SHAW In any case keep it availableuntil the unit has been used a few days H InsuringtheVulcanized Paper backingis on the assembly i...

Page 44: ... new EPROM verify that all of thelegs are in the socket and are notcurled up under theEPROM H Store the old EPROM in the anti static container for possible reuse if there is a problem Do not discard this chip Either keep it or if asked return it to L OV E SHAW In any case keep it availableuntil the unit has been used a few days I After theEPROM installation is complete reconnect the Driver board t...

Page 45: ...aser shall before purchasing determine the fitness and suitability of the said product Little David MicroJet for its intended purpose and neither manufacturer nor seller shall be liable for any loss or damage direct or consequential arising out of the use of or the inability to use the above described equipment USE OF ANY INK OTHER THAN LO VESHAW S SPECIALLY FORMULATED INK VOIDS THIS WARRANTY No s...

Page 46: ... com Info loveshaw com Loveshaw Europe A Division of ITW LTD Unit 9 Brunel Gate West Portway Industrial Estate Andover Hampshire SP10 3SL ENGLAND Tel 264 357511 Fax 264 355964 www LOVESHAW com Sales loveshaw europe co uk CPM755116 TSG 7 05 Copyright ã Loveshaw All Rights Reserved MicroJet Trouble Shooting Guide 41 ...

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