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UBI EasyCoder 601 XP – Service Manual Ed. 1

106

Chapter 15 CPU Board

15.8 Schematics,

cont'd.

1-971699-10 CPU Board; Memory

FLASHWR

VCC

VPP

VCC

VPP

GND

VPP

OEMAD

PBRST

GND

V5.3

VCC

ALE

V5.3

VCC

GND

RESET

CS0

SYSWR

SYSRD

A24

A23

A22

A21

A20

A19

A18

GND

PD00

PD10

PD20

PD30

D10

D11

D12

D13

D14

D15

D24

D25

D26

D27

D28

D29

D30

D31

VCC

V5.3

VCC

GND

RESET

CS1

SYSWR

SYSRD

A24

A23

A22

A21

A20

A19

A18

GND

PD01

PD11

PD21

PD31

D10

D11

D12

D13

D14

D15

D24

D25

D26

D27

D28

D29

D30

D31

VCC

GND

A17

A16

A15

A14

A13

GND

D16

GND

D17

D18

D19

VCC

D20

D21

D22

D23

A10

A11

VCC

A12

GND

A17

A16

A15

A14

A13

GND

D16

GND

D17

D18

D19

VCC

D20

D21

D22

D23

A10

A11

VCC

A12

V5.3

VCC

GND

RESET

CS2

SYSWR

SYSRD

A24

A23

A22

A21

A20

A19

A18

A17

A16

A15

A14

A13

GND

PD02

PD12

PD22

PD32

D10

D11

D12

D13

D14

D15

D24

D25

D26

D27

D28

D29

D30

D31

VCC

GND

D16

GND

D17

D18

D19

VCC

D20

D21

D22

D23

A10

A11

VCC

A12

REG
PD00
PD10
PD20
PD30

VCC

PD00

PD10

PD20

PD30

PD01

PD11

PD21

PD31

PD02

PD12

PD22

PD32

D10

D11

D12

D13

D14

D15

D24

D25

D26

D27

D28

D29

D30

D31

GND

CAS0

CAS1

CAS2

CAS3

RAS1

DWR

VCC

GND

RAS2

D16

GND

D17

D18

D19

VCC

DA0

DA1

DA2

DA3

DA4

DA5

DA6

D20

D21

D22

D23

DA7

DA8

DA9

VCC

RAS2

DA10

RAS1

D10

D11

D12

D13

D14

D15

D24

D25

D26

D27

D28

D29

D30

D31

GND

CAS0

CAS1

CAS2

CAS3

RAS0

DWR

VCC

GND

D16

GND

D17

D18

D19

VCC

DA0

DA1

DA2

DA3

DA4

DA5

DA6

D20

D21

D22

D23

DA7

DA8

DA9

VCC

RAS0

DA10

GND

IOD3

IOD4

IOD5

IOD6

IOD7

ECS2

A10

IORD

A11

A13

A14

IOWR

VCC

A16

A15

A12

IOA1

IOD0

IOD1

IOD2

GND

CDM1

IOD11

IOD12

IOD13

IOD14

IOD15

ECS2

A17

A18

A19

A20

A21

VCC

A22

A23

A24

A25

REG

BVD1M

BVD2M

IOD8

IOD9

IOD10

CDM2

GND

IOWAIT

RESET

PD32

PD22

PD12

PD02

PD31

PD21

PD11

PD01

IOCS4BRD

IOD8

IOD9

IOD10

IOD11

IOD12

IOD13

IOD14

IOD15

AD7

AD6

AD5

AD20

AD19

AD18

AD17

AD16

AD23

AD22

AD21

AD4

AD3

AD2

AD1

AD0

D16

D19

D18

D17

D20

D21

D22

D23

AD31

AD30

AD29

AD28

AD27

AD26

AD25

AD24

AD15

AD14

AD13

AD12

AD11

AD10

AD9

AD8

D30

D29

D12

D11

D10

D24

D27

D26

D25

D28

D13

D14

D31

D15

DATAEN

CDM2

CDM1

VCC

PBRST

VPP

PROM-FLASH-SRAM-BANK

DRAM-BANK1

DRAM-BANK0

MEMORY CARD

VCC

GND

DIR

VCC

‹

›

A[0..31]

D[0..31]

CTRL

IOBUS

PIO

P22A

P22B

P21B

P20B

P21A

20A

R212

R211

R210

R209

R208

R207

R206

R205

R204

R203

R202

R201

P23A

P23B

P24A

24B

P25A

P25B

74HC541

IC20

DRCTRL

PWR

74HC245

IC21

74HC245

IC23

74HC245

IC22

74HC245

IC24

74HC05

IC806E

R21

R22

74HC86

IC805A

R23

74HC05

IC806F

T20

Содержание EasyCoder 601 XP

Страница 1: ...ate 23 4 4 Rear Plate 23 5 Paper Supply 5 1 Internal Supply 25 5 2 External Supply 27 6 Label Slack Absorber 6 1 Description 30 6 2 Dismantling 31 7 Transfer Ribbon Mechanism 7 1 Description 32 7 2 Ribbon Unwind Unit 33 7 3 Ribbon Rewind Unit 35 7 4 Ribbon End Sensor 37 8 Print Unit 8 1 Description 39 8 2 Pressing Roller 42 8 3 Stepper Motor 43 8 4 Belts 46 8 5 Belt Adjustments 48 8 6 Label Stop S...

Страница 2: ...15 4 Special Devices 97 15 5 Test Points 101 15 6 Startup 101 15 7 Components 103 15 8 Schematics 104 16 Interfaces 16 1 Introduction 111 16 2 Serial Communication Port uart1 112 16 3 Parallel Interface centronics 113 16 4 Industrial Interface Board 117 16 5 Serial Interface Board 129 17 Trouble Shooting 17 1 Diagnosing the Printer 131 17 2 No Reaction at Power Up 133 17 3 Printer Stops Working af...

Страница 3: ... 1 Overview 153 EasyCoder 601 XP Setup Mode Overview Part 1 154 EasyCoder 601 XP Setup Mode Overview Part 2 155 Appendix 2 Measuring the Break Torque 156 Informationinthismanualissubjecttochangewithoutpriornoticeanddoesnotrepresentacommitment on the part of Intermec Printer AB Copyright Intermec PTC AB 1998 All rights reserved Published in Sweden EasyCoder Fingerprint LabelShop and UBI are tradema...

Страница 4: ...er 601 XP Spare Parts Catalogue UBI EasyCoder 601 XP Installation Instructions for various options UBI Direct Protocol 7 11 Programmer s Guide UBI Fingerprint 7 11 Programmer s Guide UBI Fingerprint 7 11 Reference Manual Pleasenotethattheoperationsdescribedinthismanualonlyshould be carried out by skilled and authorized personnel with proper training and full understanding of written English The pr...

Страница 5: ...s may be required to correct the interference DOC Notice Canada Canadian Dept of Communication REGULATIONS COMPLIANCE DOC A This digital apparatus does not exceed the class A limits for radio noise emissions from a digital apparatus as set out in the radio interference regulations of the Canadian Department of Communication Ministère des Communications du Canada CONFORMITE DE REGLEMENTS DOC A Le p...

Страница 6: ...formity with the following standards Electrical Safety EN 60950 EMC Emissions EN 50081 1 92 EN 55022 94 class B EN 61000 3 2 95 EMC Immunity EN 50082 2 95 EN 61000 4 2 95 EN 61000 4 3 96 ENV 50204 95 EN 61000 4 4 95 EN 61000 4 6 96 following the provisions of Directives 89 336 EEC and 73 23 EEC Mölndal 1998 02 12 Hans Lindén President 1 Intermec assumes no responsibility as regards fulfilling the ...

Страница 7: ...h a setup keyboard and a 12 dots mm printhead Theprintercanuse100 240VAC 50 60Hzmainssupply There is no voltage switch over The machine sign on the printer s rear plate contains type part number serial number and signs of approval Ready Error Power EasyCoder 601 XP Print 3 6 8 9 7 Pause Setup Feed Enter 2 1 0 C 5 4 F3 F4 F5 F1 F2 Shift Chapter 1 1 Models and Options 1 1 Identification ...

Страница 8: ... also of great importa nce for the quality of printing bar codes and a long life of the printhead UB I has carefully matched the paper we recommend provide to the needs of this printer We therefore strongly advis e of using only UB I recommended provided supplies to ensure a high quality printing TEAR OFF The EasyCoder 601 XP can be fitted with a number of built in options Paper Cutter see chapter...

Страница 9: ...llow the instructions in chapter 13 CAUTION Always turn off the power and remove the power cord beforeopeningthecoverovertheelectronicscompart ment Dangerous voltage In the electronics compartment check Type of CPU board Check number of Flash SIMMs Check number and size of DRAM SIMMs Any optional interface board fitted Check type straps and optional circuits Refer to chapters 15 16 for more inform...

Страница 10: ...rbymeansofUBIShell which also allows you to print test label 5 containing the present setup values To enter UBI Shell if a custom made autoexec file preventsaccess lifttheprintheadandpressanykeyontheprinter s keyboard except the Shift key then turn on the power while continuingtopressthekey WhentheUBIShellcountdownbegins releasethekeyandpress Enter tostartUBIShell Donotforget to lower the printhea...

Страница 11: ...r Cut Off Optional With cutter Firmware Operating System UBI Fingerprint 7 11 incl UBI Direct Protocol Smooth Fonts TrueDoc and TrueType fonts Built in scalable fonts std 15 UNICODE Latin fonts Built in bar code symbologies std 39 Startup Program std UBI Shell v 4 1 Physical Measures Dimensions W x D x H 335 x 482 x 238 mm 13 1 x 19 0 x 9 4 Weight excluding media options 15 kgs 33 lbs Ambient Oper...

Страница 12: ...ys 1 2 Future option Optional Interface Boards 1 Various types Memory Card Adapter 1 Flash or SRAM cards Accessories Automatic Paper Cutter Option Backing Paper Rewind Unit Option factory installed only For peel off operation Fan Fold Guides Kit Option For external supply RS 232C Cable Option Centronics Cable Option EasySet Bar Code Wand Option For quick setup Serial Interface Board Option Industr...

Страница 13: ...and for inserting and removing a memory card 259 mm 10 20 238 mm 9 37 R 3 2 3 m m 1 2 7 2 168 mm 6 61 135 4 mm 5 33 335 mm 13 18 68 8 mm 2 71 Dot No 0 8 dots mm printhead in right hand position 79 mm 3 11 363 mm 14 29 481 5 mm 18 96 R 1 3 9 m m 5 4 7 20 mm 0 79 20 mm 0 79 30 mm 1 18 186 mm 7 32 12 mm 0 47 38 mm 1 50 Paper slot Paper slot Ready Error Power EasyCoder 601 XP Print 3 6 8 9 7 Pause Set...

Страница 14: ...re is a cavity for the keyboard displayassy Thisassemblyisaffixedbymeansoftwo2 mmhexagongrubscrewsunderneaththekeyboardpartofthefront moulding The keyboard display assy is connected to P37 at the front of the CPU board via a 10 p flat cable This cable must be disconnected before the keyboard display can be removed The keyboard display must be manipulated carefully when it is lifted out of its cavi...

Страница 15: ... remove any adhesive residue Keyboard The keyboard is of membrane switch type and is glued to the keyboardplate Thereare54switches butonly23oftheseareused inEasyCoder601XP OneswitchisaShiftkey thatprovidesadual functionality to each of the other keys A resistor ladder gives differentvoltagesfromeachlineandcolumnonthekeyboardsothe slave processor on the console pcb can decode signals from the vario...

Страница 16: ...een 104 and 9 999 Hz It is used to acknowledge when a key is pressed and to produce various audible signals The key acknowledge signal can be controlled by theUBIFingerprintinstructionKEYBEEP whereasothersignals are controlled using the instructions BEEP and SOUND The left hand LED control lamp marked Power shines green when the power is on Power on is also indicated by the display s backgroundlig...

Страница 17: ...4 DISPLAY 1 971704 01 Component Side Soldering Side B1 C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 D1 IC1 IC2 IC3 P1 P2 R1 R2 R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 X1 1 971604 01 P01 P1 P1 Test Points 5V C14 Lower soldering GND C14 Upper soldering ...

Страница 18: ...LK CLR Q Q GND VCC GND VCC C A GND GND GND GND GND VCC GND VCC GND GND VCC VCC VCC GND 1 2 4 5 6 7 8 9 28 27 26 25 24 10 13 14 15 16 17 18 19 23 22 21 20 3 1 3 5 6 4 7 8 9 10 11 12 13 14 2 15 16 1 2 3 4 5 6 7 8 9 10 2 1 6 5 1 3 2 4 4 3 8 9 13 11 12 10 6 5 8 9 1 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Beeper ST6265 IC1 X1 8MHz C3 C2 DISPLAY DISPLAY P1 RED D3 GREEN D2 R1 R2 C1 74HC05 IC3A 74HC74 IC...

Страница 19: ... rfo rm an ce th e th er m al pr in th ea d re qu ire s cl ea ni ng on a re gu la r ba sis Fo r cl ea ni ng in fo rm at io n se e th e Us er s M an ua l 040 50 1 6 0 TE A R O FF PE EL O FF Chapter 3 3 Hatches and Doors 3 1 Right Hand Door The right hand door gives access to The paper supply The ribbon supply The print mechanism The right hand door is fitted to the bottom plate by means of two hing...

Страница 20: ...he front hatch is keptshutbyasnap lockandcanbeswungdownalmosttoavertical position Thehatchcanberemovedfromitshingesbypushingitto the left until the snap lock on the right hand hinge disengages Thefronthatchcanbereplacedbyanoptionalpapercutterunit see chapter 11 Alignmentisperformedinthesamewayastheright handdoor see previous page Thefronthatchcanberemovedbypushingittotheleftwhenopen 3 2 Front Hatc...

Страница 21: ...re the left hand cover is re moved After having disconnected the power cord open the right hand door Usinga T10Torxscrewdriver removethefourscrewsalong the lower edge first then remove the four upper screws Put the cover plate aside on a soft cloth or similar material to avoid scratches When replacing the left hand cover press it forcefully inwards to overcomethepressureoftheleafsprings Theseareus...

Страница 22: ...centre line wall is fitted to the bottom plate the rear plate and the front moulding by a total of 10 T20 Torx screws There is also a bracket between the centre line wall and the rear plate Intheelectronicscompartment boththeCPUboardandthepower supply are fitted to the centre line wall Toavoidribbonwrinklingandpapermisalignment itisimperative that the printer stands on a plane surface and the cent...

Страница 23: ...or the front hatchorcutterunitandtheothertwofortheright handdoor Incase of misalignment the hinges could be adjusted using a T10 Torx key Therearplateisattachedtothebottomplateusingthree T20Torx screwsandtothecentre linewallbytwo T20Torxscrews There is also a bracket between the rear plate and the centreline wall The rear plate has a number of slots for connectors switches etc as illustrated below...

Страница 24: ...ad UB I has carefully ma tch ed the paper we recomm end p rovid e to the needs of this printer We the refor e strongly advis e of using only UB I recomm ended p rovid ed supplies to ensure a hig h quality printing TEAR OFF Chapter 5 The internal paper supply consists of a shaft with five modular bobbinsonwhichapaperrollcanbefitted Theshaftisscrewedinto a flange fitted to the centre line wall by me...

Страница 25: ...ive paper to be unwound when the printing is stopped The brake torque should be 70 20 Nmm1 Thecodediscfittedattheinnermostpartofthebobbinpackagehas no use in EasyCoder 601 XP but is retained for logistic reasons commonassemblywithEasyCoder501 601 Becarefultofitthe studs of the innermost bobbin into the holes in the code disk when the package is assembled 5 1 Internal Supply cont d 1 Refer to Appen...

Страница 26: ...ters standard accessories can be fitted onto the bobbins in order to accept paper rolls with 76 mm 3 cores Each adapter is locked by means of a T20 Torx screw Be careful not to let the screw hit the leaf springs or the cams of the bobbins 5 1 Internal Supply cont d 3 Adapters ...

Страница 27: ...of fan folded tickets Thepaperisinsertedintotheprinterthrougheithertheupper or lower slot in rear plate Itisimportantthatthepaperwebisproperlyalignedinparallelwith the printer s centre line wall Therefore we offer an optional Fan Fold Kit consisting of a bracket with two guides that can be fitted in either the upper or lower slot in the rear plate The outer guide is adjustable for different paper ...

Страница 28: ... the paper supply is located in relation to the printer Insertthecompleteunitthroughtheslotfromtheoutsideandattach ittotherearplatebymeansoftwo T20Torxscrews Incaseofthe upperposition usethescrewsincludedinthekit andincaseofthe lower position use the two existing screws that hold the rear plate to the bottom plate Adjust the position of the outer guide to fit the width of the paper 5 2 External Su...

Страница 29: ...ernal supply should be protected from dust sand grit and otherparticlesthatmaydamagetheprintheadorimpairtheprintout quality Note that if the printer is to be permanently used with an external paper supply only the internal paper supply spool together with thelargecrescent shapedguideplatecouldeasilyberemoved see chapter 5 1 5 2 External Supply cont d ...

Страница 30: ...ing only UB I recomm ended p rovid ed supplies to ensure a hig h quality printing TEAR OFF Chapter 6 6 Label SlackAbsorber 6 1 Description Thelabelslackabsorbercompensatesforsuddenjerksatthepaper web e g whenhighspeedprintingisstartedandstopped Whenthe printing starts the tension is increased and the absorber is pulled forward upward Soon the heavy paper roll starts to rotate and the tension decre...

Страница 31: ...ews 2x Flange T10 Torx Screw Shaft Torsion Spring Grip green The label slack absorber unit is fitted to the centre line wall by meansoftwo T20Torxscrewsinsertedthroughthecentrelinewall fromtheelectronicscompartment Theshaftshouldbescrewedinto the flange with a tightening torque of 5 Nm Paper Guide green ...

Страница 32: ...pplies in this printer is als o of great importa nce for the quality of printing bar codes and a lon g life of the printhead UB I has carefully ma tch ed the paper we recomm end p rovid e to the needs of this printer We the refor e strongly advis e of using only UB I recomm ended p rovid ed supplies to ensure a hig h quality printing TEAR OFF Chapter 7 7 TransferRibbonMechanism 7 1 Description The...

Страница 33: ...ing point of the spool is centred in relation to the ribbon width Therefore theshaftisprovidedwithsixgrooveswhichcorrespond tothestandardwidthsofUBItransferribbons seetabletotheleft Choose the groove that comes closest to the ribbon width By compressing the spool its snap lock will disengage from the presentlyengagedgrooveanditcanbemovedsidewaystoanother position Make sure that the snap lock has e...

Страница 34: ...mmended value replace the grease We recommend Castrol Sinplex 2 The expected interval between replacing the grease is 8 10 million print cycles When the rotating force ceases the spring tends to pull back the ribbon keeping it tight The code disc is used in connection with the optional ribbon low sensor see chapter 12 Dismantling The shaft rotates in bearings fitted into a flange which is attached...

Страница 35: ...rewind unit is provided with a friction brake and a ratchet gear wheel in order to keep the ribbon tight The ribbon rewind unit is fitted to the centre line wall by means of two T20 Torx screws inserted from the electronics compartment Oneofthescrewsrunsinacrescent shapedslottoallowadjustment or removal of the belt Adjustment Thebrakingtorquecanbeadjustedbyaddingorremovingwashers attheouterendofth...

Страница 36: ...compres sionspringandthenylonwasher Thenyoucaninspectthefriction felt No further dismantling is normally required Reassemble in reverse order making sure that the one way clutch in the gear wheel works in the correct direction Finally fit the belt over the gear wheel adjust the tension of the belt as described in chapter 8 5 and tighten the screws that hold the flange 7 3 Ribbon Rewind Unit cont d...

Страница 37: ...a combined mirror bracket Working Principles The ribbon end sensor works like this A narrow beam of light is emittedfromthesensorandiseitherabsorbedbytheblacktransfer ribbon orreflectedbackbyamirrortoareceiverinthesensor The software compares the signal from the sensor with the printer s setupinregardofmediatypeinordertoavoidprintingonthewrong type of media Set up Detection Error Thermal transfer ...

Страница 38: ...X 30 BREAK 1 88 BREAK 1 ON 40 ON BREAK 1 GOSUB 1000 50 IF PRSTAT AND 8 THEN SOUND 100 50 ELSE BEEP 60 GOTO 50 70 END 1000 BREAK 1 OFF 1010 GOTO 70 RUN Removethetransferribbonfromthesensor sbeamoflight e g by pulling out a loop and run the program The printer should emit a low sound Putbacktheribbonintothebeamandtheprintershouldstarttobeep with a high pitch tone If the printer does not behave as de...

Страница 39: ...ription The print unit is partly integrated with the ribbon rewind unit see chapter 7 3 and the optional backing paper rewinder unit see chapter 9 The main parts of the print unit are Therubber coatedpressingrollerdrivesthepaperforwardunder the printhead and provides the necessary counter pressure The stepper motor drives the pressing roller via one belt and the ribbon return roller and the ribbon...

Страница 40: ...windunitisdrivenbyabeltfromthemotoroftheprint unit via an idle pulley attached to the inside of the centreline wall The rewind roller fitted underneath the pressing roller may be drivenbyabelttotheoptionalrewinder ssteppermotor ifabacking paper rewind unit is fitted These belts have to be removed before the print unit can be pulled out Pressing Roller Stepper Motor Tear Off Edge Printhead Headlift...

Страница 41: ... cont d Thisoverviewillustratesthevariouspartsintheprintunit Theidle pulley fitted to the centre line wall and the ribbon rewind unit are not included Note that some of the parts illustrated here are not available as separate spare parts but must be bought as ready assembled units ...

Страница 42: ...he stepper motor so it comes free from both belts Remove the stepper motor Remove the belt from the pulley of the pressure roller Insert a 2 mm hexagon key through the semicircular slot in the front plate and loosen the grub screw that holds the pulley on the shaft of the pressing roller Usinga T20screwdriver removethebracketthatholdstheouter end of the pressing roller and pull out the entire pack...

Страница 43: ...llustrationbelow theupperpartsoftheprintunitandtheLSS have been omitted to improve visibility Stepper Motor T20 Torx Screw T20 Torx Screw T20 Torx Screw Belt to Ribbon Rewind Unit Belt to Pressing Roller Pulley Ball Bearing Plastic Bearing Spacer Pressing Roller Ball Bearing Plastic Bearing Bracket ...

Страница 44: ...pulleysofthesteppermotoraregluedtothe motor s shaft Replacement Replace the stepper motor as follows Turn off the power to the printer and disconnect the power cord Open the front and right hand doors Remove the cover over the electronics compartment which is held by eight T10 Torx screws DisconnectthecabletothesteppermotorfromP420ontheCPU board Remove the tension of the belt to the ribbon rewind ...

Страница 45: ... Belt to Pressing Roller Belt to Ribbon Rewind Unit and ribbon Return Roller Fitted to Centre line Wall Fitted on Return Roller Shaft Fitted on Pressing Roller Shaft 8 3 Stepper Motor cont d In the illustration below most parts of the print unit have been omittedtoimprovevisibility Notethatthebracketdoesnotneedto be removed when the stepper motor is replaced ...

Страница 46: ...t T10 Torx screws Remove the tension of the belt to the ribbon rewind unit by looseningthetwo T20screwsthatholdstheribbonrewindunit Dismantle the stepper motor from the bracket by removing the two T20 Torx screws Free the belt from the pulley of the ribbon rewind unit and manipulate the stepper motor so it comes free from both belts Remove the stepper motor Replace the defective belt or belts When...

Страница 47: ... In the illustration below only part of the centreline wall is shown Thereisnoneedtocompletelyremovetheribbonrewindunit only to rotate it in order to remove the tension to the belt Stepper Motor T20 Torx Screw T20 Torx Screw T20 Torx Screw T20 Torx Screw Ribbon Rewind Unit Belt Belt ...

Страница 48: ...o thebrackettobeadjustedsothetensionofthebeltdoesnotbecome too tight causing unnecessary wear Rotate the gear wheel 1 4 of a turn at a time and check that the gear wheel and pressing roller can berotatedfreelybythebelt whichshouldflexjustalittlewhenyou press it with your finger Stepper Motor Stepper Motor Pulley Belt Pressing Roller Pulley T20 Torx Screw T20 Torx Screw ...

Страница 49: ...l flex slightly when you press it with a finger Tighten the screws Check that the parts can rotate freely and without any unpleasant sound and that the belt does not jump the cogs when you rotate the ribbon rewind unit forcefully Theribbonreturnrollershouldbeeasytorotatemanually Oncethe motor starts the belt will be tight and will drive the ribbon return roller Iftheidlerrollerstartstosqueak lubri...

Страница 50: ...re than 150 of the set label length Setup Media Media Size Length a next label not found condition is assumed If a renewed print operation gives the same result an out of paper condition is assumed Ticket w mark A beams of light is emitted from the lower sensor1 The beam can eitherbereflectedbacktothesamesensorbythewhitepaper orbe absorbed by a black mark The firmware detects when the front edge o...

Страница 51: ...wed Adjustment of the Sensitivity The LSS should always be adjusted when the user changes to another brand sometimes even batch of media and when a defective sensor has been replaced This is especially the case with self adhesivelabelsonbackingpaper sincethetransparencyofthe backingpapermayvaryandthedifferencebetweenlabelsandgaps maybetoosmall Beforestartingtheadjustment checkthatboththe upperandl...

Страница 52: ...sa ThepositionoftheLSSinrelationtothepaperisbestchecked by looking head on into the print unit when the printhead is lifted Align the centrepoint of the V shaped upper sensor with the centre of the slots or marks to be detected The linear markings on the lower guide plate can also be used for positioningoftheLSSastheyarespacedwithanintervalofexactly 1 cm 0 39 from the edge that guides the paper Th...

Страница 53: ...erguideplate disengagethesnap lock acces sible through an rectangular slot in the lower gable using e g a screwdriver and lift the outer end of the guide plate Then pull it out When cleaning the guide plates use a soft cloth moistened with isopropyl alcohol Do not use any other type of chemicals Be careful not to scratch the windows Caution Isopropyl alcohol CH3 2 CHOH CAS 67 63 0 is a highly flam...

Страница 54: ...he upper and lower plastic guide plates Adjust the LSS to approximately centre position Disconnect the cables from P53 and P54 on the CPU board Disengage the snap lock using a screwdriver from the paper compartment side and push the outer end of the LSS bracket upward Then pull the bracket out from the carriage taking care not to damage the cables Note The snap lock is fragile Remove the two T8 To...

Страница 55: ...sotheinner notch in the bracket engages the carriage Pressdowntheouterendofthebracket sothesnap lockengages the outer notch Press the bracket inwards as far as it goes and check that the bracket is secured by the snap lock Connect the cable from the lower sensor to P54 marked LSS BOT and the cable from the upper sensor to P53 marked LSS TOP on the CPU board Putbacktheguideplates theelectronicscomp...

Страница 56: ...ecomessolidagain producingablack spot The transfer ribbon does not smear neither before nor after printing Nor do the printed labels smear even if the printout may besmudgedbyextensiverubbingifanunfortunatecombinationof ribbon and face material is used The thermal transfer method makes it possible to use a much wider range of face materials for printing e g papers boards plastics foilsetc However ...

Страница 57: ... same unit of measure dots can be used both across and along the paper feed direction Specifications Density 12 dots mm 304 8 dpi Print width 168 0 mm 6 61 Number of dots 1984 Dot size 0 083 mm 3 28 mils 8 7 Printhead cont d PAPER FEED DIRECTION Dot 0 Dot line on printhead X start Width Origin Length Dot 1983 2 7 mm 0 11 1 0 mm 0 04 PRINT WINDOW PRINT WINDOW max 168 mm 6 61 165 3 mm 6 49 ...

Страница 58: ...is closed making sure that the printhead becomes properly aligned with the pressing roller There are no facilities for adjusting the position of the printhead relative the pressing roller neither longitudinally nor laterally There are two cables from the printhead to the CPU board Theoutermostcable protectedbyablackplastictube isusedfor the power to the printhead and is connected to X2 on the Powe...

Страница 59: ...romthemagnetinthe lift arm In early manufactured printers the magnet could come loose if excessive force was used to separate the printhead lift arm from theprintheadbracket Ifso useadropofLoctite638gluetofasten the magnet again Let the glue dry with printhead in closed position Thegluerequires1minutetodry butfullstrengthisnot obtained until after 20 hours Disconnect the hooked fingers at the rear...

Страница 60: ...om pletely destroy the printhead FollowtherecommendationsregardingPaperTypesetupinthe Installation Operation manual Too much energy to the printhead will wear it out rapidly Do not use higher Print Speed setting than necessary Do not use a higher Contrast setting than necessary especially not in combination with the highest Paper Type Constant settings Do not use a higher printhead pressure than n...

Страница 61: ...ard The arm that blocks the light through the sensor is attached to the headlift shaft by means of a T10 Torx screw If the screw is not tightened sufficiently or if the arm is not fitted in the correct angle a malfunction will occur Adjusting the Sensor Arm Perform an adjustment of the printhead pressure as described in chapter 8 9 Without turning off the power remove the cover over the electronic...

Страница 62: ...WEND 80 GOTO 40 1000 BREAK 1 OFF 1010 END RUN Sensor Replacement Before replacing the sensor check that the sensor arm is properly adjustedandthatthesensorisfreefromdust papershredsandother things that can block the light Replace the sensor as follows Turnoffthepower removethepowercordandremovethecover over the electronics compartment Check that the printhead is closed Remove the T10 Torx screw th...

Страница 63: ...st the pressing roller depending on media print method paper thickness and other circumstances The headlift shaft is connected to the headlift sensor arm on the insideoftheprintunit seechapter8 8 Ontheheadliftshaft theS shaped headlift arm is also fitted At the tip of the headlift arm is a magnet that engages the printhead bracket The arm can be moved alongtheheadliftshaft sothepressurecanbeapplie...

Страница 64: ...ntknobcounter clockwiseuntilitfeels loose no pressure left Takeuptheslackinthegreenknobuntilyounoticeanincreased resistance Usinga2mmhexagonalkey loosenthefactoryadjustmentgrub screw see illustration on previous page until the printhead starts to come up Carefully tighten the grub screw until you just start noticing a small resistance when trying to pull out the paper see note Apply some locking f...

Страница 65: ...hould be adjusted or the printout on the outer part of the paper could be weak To adjust the printhead lift arm proceed as follows Lift the printhead by turning the printhead lift knob to Open position Remove the ribbon if any Loosentheknobthatholdstheliftarm Movethearminwardsor outwards until the arrow on the tip of the arm becomes centre aligned with the paper web Ifthearmishardtomove pullthepri...

Страница 66: ...unit see illustration in chapter 8 9 Adjustment Iftheribbonbecomeswrinkled afewchecksshouldbeperformed before the ribbon return roller is readjusted Is the printhead pressure properly adjusted Is the green paper guide ring correctly positioned Is there anything that may interfere with the transfer ribbon e g the printhead cables If the wrinkling problem remains proceed as follows Using a T20 Torx ...

Страница 67: ... while carefully moving the end of the roller back or forth depending on which side the wrinkling has occurred When the wrinkling ceases continue the movement ever so slightly to create a small safety margin The movement is best detected by the relation between the roller bearing and the hole through the upper gable Another method is to determine the positions where wrinkling starts at either side...

Страница 68: ...ng paper the thickness of the media the type of ribbon etc The pressing rollermaybeworn givingitaslightlysmallerdiameter Thereisalsoacertain amount on inexactness in the paper feed mechanics and belts and so on Therefore you cannot expect to reach exact Start and Stop Adjust values simplybycalculation Usethemeasurementsgiveninthischaptertocalculate rough starting points and use the trial and error...

Страница 69: ...ff edge Cut off operation is another case where you have to use Start and StopAdjust Thecuttingedgeofthecutterissituatedapproximately 35mminfrontofthedotlineand20mminfrontofthetearoffedge Ifyoudonotwanttocutthelabelintwo youmustuseaStopAdjust ofaround 250dots 21mm tofeedouttherequiredextra20mm ofpaperwebaftertheprintingiscompletedandbeforethecutteris activated Now thismeansthatyouwillstarttheprint...

Страница 70: ...paperfromafullroll of labels 9 Backing Paper Rewind Kit 9 1 Description Ready Error Power EasyCoder 601 XP Print 3 6 8 9 7 Pause Setup Feed Enter 2 1 0 C 5 4 F3 F4 F5 F1 F2 Shift IM PORTANT PRINTHEAD AND RIBBON INFORMATION The use of any thermal tra nsfer rib bons other than those supplied by UB I will invalidate the printhead warranty UB I thermal tra nsfer ribbons are engineered specifically for...

Страница 71: ...ws are tightened Thepaperrewindunitisfittedwithabrace thatholdsthepaper The unit is fitted to the printer s centre line wall by means of two T20 Torx screws that can be accessed through holes in the CPU board turn off the power first A break shaft in front of the rewind unit guides the paper to be rewound under the slack absorber The stepper motor is connected to P421 on the CPU board see chapter ...

Страница 72: ...psuddenjerks A bobbin plate helps to hold possible rewind cores The assembly is held together by a T20 Torx screw at the end of the shaft Iftherewindunitdoesnothaveenoughstrengthtorewindthepaper ortopeeloffthelabels itmaydependonthefrictionfelthavinggot driedout Dismantletheunitandsoakthefeltpadinfreshmotoroil Removeexcessiveoilwithapieceoftissueandreassembletheunit The unwind torque should be 270...

Страница 73: ...f light which will bereflectedbacktothesensorbyanylabel ticket tag pieceofstrip orbackingpaper thathasnotbeenremovedfromtheoutfeedarea A prerequisite is that the web is fed out along the inner wall of the printer The LTS is connected to P51 on the CPU board The sensitivity of the receiver can be adjusted by means of the potentiometer WR51 andtheintensityoftheemitterbyastraponP55ontheCPUboard Thepo...

Страница 74: ...s other wise the printer will not react on the LTS signal Make a simple program that checks the printer s status e g 10 BREAK 1 88 20 BREAK 1 ON 30 ON BREAK 1 GOSUB 1000 40 FORMFEED 50 IF PRSTAT AND 2 THEN BEEP 60 GOTO 50 70 END 1000 BREAK 1 OFF 1010 GOTO 70 RUN You can break this program by transmitting the character X ASCII 88 decimal on the standard serial interface uart1 CAUTION Turn off the p...

Страница 75: ...h the top part of the bracket as illustrated in the lowermost picture Slip the cable of the label taken sensor through the hole in the centre line wall of the printer into the electronics compartment Connect the cable to P51 on the CPU board Be careful so the cabledoesnotinterferewithanymovingmechanicalpartsorthe transfer ribbon Insert the power cord and turn on the power CAUTION Theelectronicscom...

Страница 76: ...l the beeping starts Adjust the potentiometer WR51 so the beeping does not stop when the screw is turned a quarter of a turn in either direction If necessary fit or remove a jumper on P55 to change the intensity of the LTS emitter Jumper fitted Higher intensity Jumper removed Lower intensity Remove the label The beeping should cease immediately If necessary readjust the potentiometer and or change...

Страница 77: ...thebackingpaperbetweenlabels Itmustnot be used to cut through any kind of adhesive or other soft material that may stick to the cutting parts and render the cutter inoperable thus also causing possible damage to the electric motor Maximum paper thickness is 175 µm 175 grammes m2 for normal paper based materials Minimum practical copy length is 38 1 mm 1 5 ThePaperCutterincreasestheprinter stotalwe...

Страница 78: ...the paper web be pulled back after cutting so printing can start directly at the forward edge Start adjust 425 Stop adjust 250 Should the cutter inadvertently have been used to cut through any adhesive youwillhavetocleanthe knife whichisarotatingshaft with an edge Tilt down the cutter and use a piece of tissue moistenedwithisopropylalcohol orasimilarsolvent towipeclean the shaft Do not force the s...

Страница 79: ...be fitted see chapter 10 Fitthecutterunittothevacanthinges Makesurethatthelocking plate snaps into the groove of the right hand hinge and that the angled plate at the bottom of the cutter is inserted under the printer s bottom plate Fit the cable from the cutter unit into the DIN connector on the printer s front DIN Connector Press Sideways Ready Error Power EasyCoder 601 XP Print 3 6 8 9 7 Pause ...

Страница 80: ...bove Thentiltupthecutteragainandlockitinclosedposition Checkthattheprintheadisloweredandturnonthepower Now the printer is ready for operation The spring that presses the anvil blade against the rotating shear mayeventuallygetslack especiallyiftheanvilbladeisforcedopen e g during cleaning A slack spring must be replaced as follows Remove the right hand gable of the cutter two T20 Torx screws Remove...

Страница 81: ...are supported by the standard error handling Ontheribbonunwindspool thereisacodediscwith41gaps When the spool rotates the photoelectric sensor detects when the light is interrupted and decrements a counter The counter is set at power uptoarandomvalueofapproximately65 000andcanbereadusing SYSVAR 13 see the UBI Fingerprint 7 11 Reference Manual The sensor requires no regular cleaning However should ...

Страница 82: ...hereceiverand transmitter Thereisnoneedtodismounttheribbonunwindunit Attach the sensor to the centre line wall by means of one T10 Torx screw Check that the code disc can rotate freely Connect the cable to P57 on the CPU board see chapter 15 3 Put back the left hand cover Turn on the power and check that the sensor works by reading its values using a PRINT SYSVAR 13 instruction in UBI Fingerprint ...

Страница 83: ...rd is fitted inside the left hand cover plate which is held by a total of 8 T10 Torx screws 4 along the lower edge and another 4 under the top of the right hand cover CAUTION Before removing the cover plate make sure that the printer is turned off and that the power cord is disconnected The power supply unit that is fitted behind the CPU board contains high voltage wire and circuits Whenfittingbac...

Страница 84: ...ent 13 3 Main Parts This illustration shows the complete electronics compartment but with the Centronics interface board removed to improve the view of the CPU board Ribbon Unwind Unit CPU Board Power Supply hidden Paper Rewind Motor Print Unit Stepper Motor Ribbon Rewind Unit ...

Страница 85: ...onnected by two cables one to the CPU board and another to the printhead The power supply unit is primary switched with power correction factor controller so as to comply with the CE regulations which require a sinus shaped load curve It is designed for input voltages in the range of 90 240 V AC 45 65 Hz without any manual switch The unit delivers 175 W continuously and about 400 W peak Ithasather...

Страница 86: ...yathermostatontheprimarysidecoolerandwillimprovecooling and spread the heat in the entire machine to avoid local high temperatures Connections X1 Mains supply 90 240 V AC 45 65 Hz X2 Power to thermal printhead X3 Power to CPU board X4 Power to PSU fan Miscellaneous The power supply unit is also fitted with a switch that can shut off the24VtotheprintheadandcutterandaPowerFailInterrupt PFI signal th...

Страница 87: ...y 14 2 Components 1 971601 26 Power Supply Unit Front Side 1 971601 27 Power Supply Unit Front Side Low Voltage High Voltage Low Voltage High Voltage FAN Power to CPU Board Power to Printhead 24 V Trim Potentiometer Main Switch Mains Inlet Chassis GND 1 971601 27 only ...

Страница 88: ...UBI EasyCoder 601 XP Service Manual Ed 1 88 Chapter 14 Power Supply 14 2 Components cont d 1 971601 26 Power Supply Unit Back Side 1 971601 27 Power Supply Unit Back Side 1 971601 26 only ...

Страница 89: ...13 R14 R22 V38 V39 R70 R71 R72 V29 H1 R73 R74 R84 1 2 X4b 1 2 X4a 1 2 FAN1 R90 R91 R100 C63 1 2 TB1 C67 Common P24 C56 1 2 3 4 5 6 7 8 9 10 X2 C49 R88 V32 R87 R124 C48 C 1 A 2 A 3 NC 4 NC 5 A 6 A 7 REF 8 N4 TL431CD R78 R85 R86 C46 COMP 1 NC 2 F B 3 NC 4 IS 5 NC 6 RC 7 GND 8 GND 9 OUT 10 VC 11 VCC 12 NC 13 REF 14 N2 UC3844AD R75 R76 R77 V31 C43 R99 V28 R55 R62 R63 R64 R65 R66 C39 R54 R49 R51 R52 V2...

Страница 90: ...t Buck Converter 1 971601 27 Power Supply Unit Buck Converter 24V F3 R111 R112 R113 R119 R120 R121 R122 R123 C58 V53 V54 EAI 1 EAO 2 CS 3 VCC 4 OUT 5 GND 6 RAMP 7 REF 8 N6 UC3573D C57 R110 V49 R128 V55 V44 R130 L5 V47 5 3V V46 R118 R115 R116 C60 V45 C65 C61 C62 V50 V51 R131 R132 R114 R146 R117 C59 Comm 1 971601 27 only ...

Страница 91: ... functions A processor core Stepper motor drivers Thermal printhead driver Sensor drivers Peripheral units such as UART Centronics timers etc Flash memory SIMM for the firmware DRAM SIMM Slave processor Expansion bus 15 CPUBoard 15 1 Description CPU CORE I2C BUS Clock Support Chip Reset Watchdog I O DATA TPH Logic Timer Stepper Driver Interrupt Controller Sensors Memory Card Uart Expansion Bus Fla...

Страница 92: ...tel VFM FOS Customer s programs files images etc 256 kbyte Intel VFM FOS 256 kbyte TMP area FOS rom 256 kbyte Kernel UBIFingerprintfirmware barcodes standard 256 kbyte Kernel fonts standard images UBI Shell auxiliary 256 kbyte Kernel programs1 setup values 256 kbyte Kernel 192 kbyte Kernel 16 kbyte TMP area Paper feed info odometer value 16 kbyte Parameters 32 kbyte Boot Startup 1 The following st...

Страница 93: ...gram the present setup values and some standard application programs1 are stored in four 256 kbyte and one 192 kbyte sectors These sectors are called by a common name the Kernel As illustrated in the table above 2 sectors with a total nominal capacity of 512 kbyte plus a 256 kbyte TMP sector are used for the Intel VFM Virtual Small Block Manager file operating system FOS where the user can store h...

Страница 94: ...regardlessof Media Width and Media X start setup Present Media Length setup value in dots Calculate the buffer size according to this formula No of dots 8 4 x Media length in dots Buffer size in bytes Buffer size in bytes 1024 Buffer size in kbytes Buffer size in kbytes x 2 Memory requirement in kbytes Example The number of dots on the printhead is 1984 The Media Length is set to 1800 dots 150 mm ...

Страница 95: ...4 RS 232 Driver IC304 TheRS232Cdrivercircuitissocket mountedtoallowreplacement if damaged Part No 1 956016 00 LTS Emitter Strap P55 Thisstrapdecidestheintensitylevelofthelabel takensensor LTS emitter also see chapter 10 Jumper fitted High intensity No Jumper Low intensity LTS Potentiometer WR51 This potentiometer decides the sensitivity of the receiver in the label taken sensor also see chapter 10...

Страница 96: ...on P58 Cable to cutter interface on printer s front P31 Centronicsinterfaceboard seechapter16 3 Centre of Pcb P81 Optional interface board see chapter 16 4 16 5 P82 Presently not used Front Edge top to bottom P57 Ribbon low sensor option P52 Ribbon end sensor P51 Label taken sensor option P53 Label stop sensor upper part P54 Label stop sensor lower part P50 Headlift sensor P37 Console pcb P41 Ther...

Страница 97: ...wer is off Flash Memory Cards There are three types of flash memory cards All such cards are referred to as device rom in UBI Fingerprint Font Cards Must be present in the printer s memory card adapter before the font stored in the card can be used Font Install Cards Install additional fonts in the printer s memory These fonts can be used without the card being present Firmware Cards Install a new...

Страница 98: ...latile memory which can be read from or written to some have a run time clock with expiration capabilities whileothershavespecialpassword protectedmemory areas Akeymaycontainupto16differentkeyitems Therearetwotypes of functions Lock whichlocksorunlocksspecifiedfeaturesintheprinteror in the software For example a key may be required to unlock a custom made application program copy protection If com...

Страница 99: ...g 00 Ser com uart1 baudrate and setup data The setup data can be a number referring to an item in a list of options e g 05 baudrate 9600 an unsigned number or a signed number A checksum is calculated automatically Refer to the UBI Fingerprint 7 11 Reference Manual for more information on how to produce setup bar codes When a bar code has been successfully read the printer will acknowledge by emitt...

Страница 100: ...m the power supply to be tested Test Points GND Ground V 5 3 Feed voltage for V5 0 approx 5 3V V 5 0 Logic power 5V 5 RESET High level active printer V24 Feed voltage for P24 24V 5 P24 Printhead and cutter voltage approx 24V when active V40 Feed voltage for stepper motors 42V 10 IC11 IC304 IC305 P32 P35 P83 P84 V40 GND POWER KEYB 5 3V VCC P24 V24 RESET ...

Страница 101: ...flash memory Atpowerup theprinterstartsexecutingcodeinthebootsectorand one of the following sequences will be performed 1 A flash card with a firmware is recognized Thefirmwarewillbecopiedfromtheflashcardtotheinternal DRAM The processor will start to execute code from DRAM The firmware on the flash card will be copied to the internal flash memory 2 A valid firmware is recognized in the internal fl...

Страница 102: ... point library termioInit Init termio library PFFS Init Power Fail File System PowerDown Setting interrupt handler for power down fos Init file systems VFM tmp card1 rom version Check hardware version stdio Init stdio expansion card entity Check for expansion boards setup uart2 fidgeting Add uart2 setup if present Touch InitandreadDallaskey RTCandsyslock AutoInstall Install PCX files and fonts pre...

Страница 103: ...5 R16 R17 R18 R19 R21 R22 R23 R31 R32 R33 R35 R36 R81 R82 R83 R84 R100 R101 R102 R103 R104 R105 R106 R107 R108 R109 R110 R111 R112 R113 R114 R115 R116 R117 R201 R202 R203 R204 R205 R206 R207 R208 R209 R210 R211 R212 R301 R302 R303 R304 R305 R306 R307 R308 R309 R401 R402 R403 R404 R405 R406 R407 R408 R409 R410 R411 R412 R413 R414 R415 R416 R417 R418 R419 R420 R421 R422 R423 R424 R425 R426 R430 R431...

Страница 104: ...31 D 0 31 CTRL DRCTRL IOBUS PWR PIO VCC GND IOBUS CTRL PWR PIO CENTRONICS A 0 31 I0 I1 I2 I3 I4 I5 I6 I7 I8 I9 I10 I11 IO0 IO1 IO2 IO3 IO4 IO5 IO6 IO7 IO8 IO9 GND IOBUS PWR PIO IOBUS CTRL PWR PIO IOBUS PWR PIO GND GND GND CGND CGND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 9 10 11 12 15 13 14 7 6 5 4 1 3 2 1 2 3 6 4 5 15 14 13 12 11 10 9 7 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 ...

Страница 105: ...AD26 AD25 AD24 AD23 AD22 VCC GND AD21 AD20 AD19 AD18 AD17 AD16 AD15 OEMAD TEST CLR LOAD ENT ENP CLK A B C D RCO QA QB QC QD GND XIN XOUT OE S0 S1 S2 XBUF CPUCLK CLKA CLKB CLKC CLKD VCC VCC OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q AD23 AD24 AD25 AD26 VCC GND AD27 AD28 AD29 AD3...

Страница 106: ...25 AD24 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 D30 D29 D12 D11 D10 D9 D8 D24 D27 D26 D25 D28 D13 D14 D31 D15 DATAEN DATAEN DATAEN DATAEN CDM2 CDM1 VCC PBRST VPP PROM FLASH SRAM BANK DRAM BANK1 DRAM BANK0 MEMORY CARD VCC GND G1 G2 A1 A2 A3 A4 A5 A6 A7 A8 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 DIR G A1 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 DIR G A1 A2 A3 A4 A5 A6 A7 A8 B1 B2 B3 B4 B5 B6 B7 B8 DIR G A1 A2 A3 ...

Страница 107: ... 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q VCC VCC CS RD WR A0 D0 D1 D2 D3 D4 D5 D6 D7 CAS0 CAS1 CAS2 SP EN IR0 IR1 IR2 IR3 IR4 IR5 IR6 IR7 INT INTA Gnd NC NC NC NC RI RCLK BAUDOUT XOUT XIN MR ADS A2 A1 A0 DDIS RXRDY TXRDY OUT2 OUT1 CS2 CS1 WR RD DCD DSR CTS SIN SOUT RTS DTR INTR CS0 WR RD D7 D6 D5 D4 D3 D2 D1 D0 G1 G2 A1 A2 A3 A4 A5 A6 A7 A8 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Gnd Gnd CGND VCC C A Gnd ...

Страница 108: ...D OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q C A VCC GND GND GND GND GND 1 2 E B C 1 2 3 4 1 2 3 4 E B C 1 2 3 6 8 5 1 2 1 2 3 4 1 2 3 6 8 5 15 1 2 3 4 5 6 7 9 14 13 12 11 10 0 0 1 6 7 1 2 3 4 12 13 11 8 9 E B C 12 3 2 4 5 E B C E B C 13 3 2 1 14 15 7 6 5 4 9 10 11 12 1 2 3 4 1 2 3 4 1 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 E B C E B C 1 2 3 4 5 E B C 1 DMUX C503 P55 R506 R505 R507...

Страница 109: ...C QD CLR LOAD ENT ENP CLK A B C D RCO QA QB QC QD CLR LOAD ENT ENP CLK A B C D RCO QA QB QC QD CLR LOAD ENT ENP CLK A B C D RCO QA QB QC QD CLR LOAD ENT ENP CLK A B C D RCO QA QB QC QD OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q GND GND GND V24 GND P24 GND GND GND GND V24 GND GND GND GND VCC A B Y I0 I1 I2 I3 I4 I5 I6 I7 I8 I9 I10 I...

Страница 110: ...3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q IN1 IN2 OUT1 OUT2 VS GND BOOT1 BOOT2 VREF ENABLE SENSE IN1 IN2 OUT1 OUT2 VS GND BOOT1 BOOT2 VREF ENABLE SENSE GND GND GND VCC GND 1 2 3 4 5 6 7 8 5 7 3 1 2 6 4 8 9 11 10 5 7 3 1 2 6 4 8 9 11 10 1 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 5 6 7 8 18 19 4 3 1 2 12 17 16 15 14 13 5 6 7 8 18 19 4 3 1 2 12 17 16 15 14 13 1 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 ...

Страница 111: ...n interface uart1 for com munication with the host computer or for connection of a bar code reader an external keyboard etc see chapter 16 2 Parallel Communication interface centronics for parallel one way communication with the host computer see chapter 16 3 Optionalinterfaceboardsofvarioustypes seechapter16 4and 16 5 Therestofthischapterwillonlydealwiththethreelastparagraphs By default uart1 is ...

Страница 112: ...edsetofsignalsinaDB25maleconnectorwhichprotrudes through a slot in the printer s rear plate By default the printer is set up as follows Baudrate 9600 Parity None Char length 8 bits Stop bits 1 RTS CTS Disabled ENQ ACK Disabled XON XOFF Disabled both ways New line CR LF The external 5V is limited to 200 mA and is automatically turned offatoverload Itisintendedtodrivee g anexternalalpha numeric keyb...

Страница 113: ...on SYSVAR 25 see UBI Fingerprint 7 11 Reference Manual Standard type Centronics Predefined timing for the ACK and BUSY signals when respond ing to host data is 500 ns ACK BUSY inactivated after ACK finishes IBM Epson type Centronics default Predefined timing for the ACK and BUSY signals when respond ing to host data is 2500 ns ACK BUSY inactivated as soon as ACK pulse starts Classic type Centronic...

Страница 114: ...4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 12 14 16 18 8 6 4 2 1 4 3 2 1 1 11 2 3 4 5 6 7 8 9 19 18 17 16 15 14 13 12 2 3 4 5 6 7 8 9 1 3 5 7 9 17 15 13 11 19 5 6 9 8 11 10 13 12 P1 P2 L17 L12 L11 L10 L16 L15 L14 L13 L9 L1 L2 L3 L4 L8 L7 L6 L5 R1 74AC244 IC2A 74HC14 IC3B 74HC14 IC3A 74HC574 IC1 RN1 74AC244 IC2B R2 R3 R4 C3 C1 C2 C4 74HC04 I...

Страница 115: ... 7 on IC2 Disable SELECT IN by soldering a wire between pin 1 andn pin 2 on P1 VCC IOCS1E IORD IOWR IOD7 IOD6 IOD5 IOD4 IOD3 IOD2 IOD1 IOD0 A3 A2 SELIN ERROR ACK CWOE SELECT PERR AF CROE CWSTR BUSY CRSTR STROBE INIT RESET SYSCLK STROBE ACK BUSY PERR SELECT SELIN AF INIT ERROR INT3741 Gnd G A1 A2 A3 A4 Y1 Y2 Y3 Y4 VCC OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q Gnd G A1 A2 A3 A4 Y1 Y2 Y3...

Страница 116: ...ECT PERR AF CROE CWSTR BUSY CRSTR STROBE INIT RESET SYSCLK STROBE ACK BUSY PERR SELECT AF INIT ERROR INT3741 Gnd G A1 A2 A3 A4 Y1 Y2 Y3 Y4 VCC OC CLK 1D 2D 3D 4D 5D 6D 7D 8D 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q Gnd G A1 A2 A3 A4 Y1 Y2 Y3 Y4 VCC Gnd Gnd CGND CGND Gnd 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21...

Страница 117: ...f various sensors and the program can e g switch control lamps on or off open or close gates and start or stop conveyor belts accordingly by means of the relays and the digital OUT ports Serial Interface Thisinterfacecontainsoneserialcommunicationchannel uart2 for one of the following alternatives RS 232C RS 422 non isolated RS 422 isolated RS 485 terminated or not terminated possible future optio...

Страница 118: ...escribed in the chapter Serial Port Configuration later in this booklet Insert the Industrial Interface Board with the components side facing right as seen from behind Check that the board fits into the two square cut outs on the left side of the slot AttachtheIndustrialInterfaceBoardtotheprinter srearplateby means of two of the screws left over when you removed the original cover plate Using the ...

Страница 119: ...and buffer size parameters Now you have two new interface connectors on the printer s rear plate in addition to the standard serial interface uart1 and the standard parallel interface centronics IC304 IC305 P32 P35 1 971600 01 P01 P81 C7 R56 R55 R54 R53 R52 R8 R3 R2 R1 JP1 IC7 IC6 IC5 IC2 IC1 C15 C14 C13 C12 C11 C6 C5 C4 C3 C2 C1 C8 C9 C10 C20 C21 C22 C23 C24 C25 C26 C27 D1 F1 F2 F3 F4 F5 F6 F7 F8...

Страница 120: ...the circuit fits into their respective slots in the socket and are not bent Also take proper precautions so as to protect the board and circuits from electrostatic discharges RS 232C C7 R56 R55 R54 R53 R52 R8 R3 R2 R1 JP1 IC7 IC6 IC5 IC2 IC1 C15 C14 C13 C12 C11 C6 C5 C4 C3 C2 C1 C8 C9 C10 C20 C21 C22 C23 C24 C25 C26 C27 D1 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 IC3 IC4 IC8 IC9 IC10 IC11 IC...

Страница 121: ...P01 RS232 IC2 RS422isolated IC3 S2 S4 RS485 IC4 S3 S4 Term if end of cable C7 R56 R55 R54 R53 R52 R8 R3 R2 R1 JP1 IC7 IC6 IC5 IC2 IC1 C15 C14 C13 C12 C11 C6 C5 C4 C3 C2 C1 C8 C9 C10 C20 C21 C22 C23 C24 C25 C26 C27 D1 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 IC3 IC4 IC8 IC9 IC10 IC11 IC12 IC13 IC14 IC15 IC16 IC17 IC18 JP2 P1 P2 P3 P4 R4 R5 R6 R7 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21...

Страница 122: ...85 IC4 S3 S4 Term if end of cable RS 485 possible future option No circuit on IC2 Fit RS 485 circuit on IC4 Fit strap on S4 if end of cable Fit strap on S3 only Connector Configuration The serial interface for uart2 uses a female DB 25 connector Pin Signal Name Description 1 Not connected 2 TxD RS 2232 Transmitter 3 RxD RS 232 Receiver 4 RTS RS 232 Request To Send 5 CTS RS 232 Clear To Send 6 DSR ...

Страница 123: ...TINreturnsthevalue 1 true elsethevalue0 false Signal Description Min Typical Max Vin High Input Voltage High 10V 24V 40V Vin Low Input Voltage Low 1V 0V 1V Connector Configuration Pin Signal Name Description UBI Fingerprint Ref No 10 IN1A Anode Opto In Channel 1 101 40 IN1K Cathode Opto In Channel 1 26 IN2A Anode Opto In Channel 2 102 11 IN2K Cathode Opto In Channel 2 41 IN3A Anode Opto In Channel...

Страница 124: ...V Connector Configuration Pin Signal Name Description UBI Fingerprint Ref No 20 Out1c Collector Opto Out Channel 1 221 5 Out1e Emitter Opto Out Channel 1 35 Out2c Collector Opto Out Channel 2 222 21 Out2e Emitter Opto Out Channel 2 6 Out3c Collector Opto Out Channel 3 223 36 Out3e Emitter Opto Out Channel 3 22 Out4c Collector Opto Out Channel 4 224 7 Out4e Emitter Opto Out Channel 4 37 Out5c Colle...

Страница 125: ...ng Capacity Connector Configuration Pin Signal Name Description UBI Fingerprint Ref No 16 REL1nc Relay 1 Normally Closed 201 1 REL1no Relay 1 Normally Open 31 REL1com Relay 1 Common 17 REL2nc Relay 2 Normally Closed 202 2 REL2no Relay 2 Normally Open 32 REL2com Relay 2 Common 18 REL3nc Relay 3 Normally Closed 203 3 REL3no Relay 3 Normally Open 33 REL3com Relay 3 Common 19 REL4nc Relay 4 Normally C...

Страница 126: ... C10 C20 C21 C22 C23 C24 C25 C26 C27 D1 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 IC3 IC4 IC8 IC9 IC10 IC11 IC12 IC13 IC14 IC15 IC16 IC17 IC18 JP2 P1 P2 P3 P4 R4 R5 R6 R7 R10 R11 R12 R13 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29 R30 R31 R32 R33 R34 R35 R36 R37 R38 R39 R40 R41 R50 R51 REL1 REL2 REL3 REL4 RP1 RS422nonisol IC18 S1 S4 S3 S1 S2 S4 1 971606 00 P01 RS232 IC2 RS...

Страница 127: ...DI VCC4 DE GND2 RO VCC5 FS IRLED ICOM2 IDEDRV IVCC2 IDIDRV ICOM1 IDEIN IDIIN A IRODRV B IVCC1 AC2 AC1 C1 C1 C2 C2 V V T1IN T2IN T3IN T4IN T1OUT T2OUT T3OUT T4OUT R1IN R2IN R3IN R4IN R1OUT R2OUT R3OUT R4OUT GND VCC RO DI GND DO DO RI RI VCC GND VCC GND GND GND 2 1 3 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 ...

Страница 128: ...36 6 21 35 5 20 34 4 19 33 3 18 32 2 17 31 1 16 5 6 9 8 11 10 13 12 13 4 12 5 11 6 10 7 IN4K IN4A IN3K IN3A IN2K IN2A IN6K IN6A IN5K IN5A OUT2e OUT1e OUT1c OUT2c OUT4e OUT3e OUT3c OUT4c OUT6e OUT5e OUT5c OUT6c OUT8e OUT7e OUT7c OUT8c IN8K IN8A IN7K IN7A IN1K IN1A REL3com REL4com REL1com REL2com REL4nc REL3no REL3nc REL4no REL2nc REL1no REL1nc REL2no IOBUS IIWR IIRD IOEN IC8C 74HC14 IC17A 74HC14 IC...

Страница 129: ...ed Thus itonlyprovidesoneserialport uart2 which can be configured for one of the following alter natives RS 232C standard RS 422 non isolated option RS 422 isolated option RS 485 terminated or not terminated option RS 485 is not supported by the present firmware UBI Finger print 7 11 Installation Refer to chapter 16 4 Serial Port Configuration Refer to chapter 16 4 Components See next page Schemat...

Страница 130: ... pcb Components R56 R55 R54 R53 R52 R8 R3 R2 R1 JP1 IC7 IC6 IC5 IC2 IC1 C15 C14 C13 C12 C11 C6 C5 C4 C3 C2 C1 C10 D1 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 IC3 IC4 IC18 JP2 P1 P3 R4 R5 R6 R7 R50 R51 RP1 RS422nonisol IC18 S1 S4 S3 S1 S2 S4 1 971606 00 P01 RS232 IC2 RS422isolated IC3 S2 S4 RS485 IC4 S3 S4 Term if end of cable ...

Страница 131: ...nthead Press down any key on the printer s built in keyboard with the exception of the Shift key and keep pressing it Turn on the power The printer will start the initialization procedure Release the key The printer will start up UBI Shell Press Enter before the 5 sec countdown is completed Inside UBI Shell you have a variety of options regardless of any autoexec program for example Enter the Setu...

Страница 132: ...7 9 No parallel communication 17 10 Sensor malfunctions 17 11 Label stop sensor Headlift sensor Ribbon end sensor Ribbon low sensor Label taken sensor Printing troubles 17 12 No printout at all Overall weak printout Weaker printout on either inner or other part of label Overall dark printout bleeding Weak or missing printout of some dots Unexpected black printout completely or partial Only first p...

Страница 133: ... outlet Disconnect and firmly connect both ends of power cord Try again Faulty power cord Replace and try again Cable between CPU board and power supply not properly connected Test as described in chapter 17 5 using test points on CPU board see chapter 15 5 Power Supply overload Too high a temperature in the power supply unit Leave the power on and wait for the power supply to cool off may take up...

Страница 134: ... commands There is no reaction on any keys on the printer s keyboard Possible Causes and Suggested Remedies The printer s main program has halted due to high external disturbances from other electrical sources Restart the printer and find out if there are disturbances comingviathemainssupply viaacommunicationchannel or from other electrical appliances CPU board failures Refer to chapter 17 4 Power...

Страница 135: ...ful so the board does notbreak Asalong termsolution thecircuitwillbesurface mounted No hardware lock electronic key fitted in P34 IfnoelectronickeyisfittedinP34 theprinterwillstillrespond to commands and perform most UBI Fingerprint operations but the motors will not run which prevents any printing Fit a correct electronic key in P34 If no electronic key is fitted the printer will respond to a FOR...

Страница 136: ...ically restart If the error persists examine the power supply also see chapter 14 Cooling fan does not work Repeated power supply overloads at normal ambient tem peratures and normal printing conditions may indicate that thecoolingfanatthebottomofthepowersupplyunitiseither defective or out of power Replace if necessary The fan is controlled by a thermostat and will only run when the temperature ex...

Страница 137: ...r and find out if there are disturbances comingviathemainssupply viaacommunicationchannel or from other electrical appliances Keys disabled or keyboard remapped by custom made pro gram If the printer does not react on any keys in the Test Mode the keyboard is defective and needs to be replaced Keybeep disabled by custom made program IfnobeepisheardwhenthekeysarepressedintheTestMode buttheprinterne...

Страница 138: ...ming errors are detected when the program is run Whenaprogramisexecuted thesameerrorsasintheImmediate Mode will be returned and the execution stops Taking care of thisrequiressomekindoferrorhandler e g ERRHAND PRG UBI Direct Protocol Five error conditions can be detected Note that verbosity is off in the UBI Direct Protocol by default Error 1005 Out of paper Error 1006 No field to print Error 1022...

Страница 139: ... identical cable Defective cable between interface board and CPU board This does not apply to the serial port uart1 which is fitted directly on the CPU board Check that the cable is correctly inserted and that it is of correct type Inspect cable for physical damage Removethecableandputitbackafewtimestoruboffpossible oxide Replace the cable Error in host Try connecting the printer to another host c...

Страница 140: ...lenvironmentbeingtoonoisy No supply voltage Verify that the supply voltages 5V are present see chapter 15 5 No external 5V Someexternaldevicesrequirecurrentsupplyfromtheprinter 5V Typically thisappliestotheUBIExternalKeyboardor a bar code scanner The printer supplies max 200 mA and is automaticallyturnedoffathigherloads Checktheconsump tion of the connected device The polyswitch RP30 on the CPU bo...

Страница 141: ...ame type as the host Host does not set SELECT IN signal low applies to non modifiedCentronicsinterfacepcb1 971603 26and1 971603 27 only Enable the SELECT IN signal in the host IfthehostdoesnotsupporttheSELECTINsignal modifythe Centronics pcb by cutting pin 7 on IC2 and connecting pin 1 and 2 on P1 see chapter 16 3 Damaged interface board or cable Replace the parallel interface board with another o...

Страница 142: ...media in use Bad connection If the label stop sensor still does not operate correctly check the condition of its cables and that it they are correctly connected to the CPU board lower sensor to P54 upper sensor to P53 Note that these two cables could be switched to detect black marks at the top of the paper Faulty sensor Replace as described in chapter 8 6 Description The printer does not work alt...

Страница 143: ... dust or foreign objects Check that the mirror plate is properly aligned Check that the sensor s cable is undamaged and properly connected to P52 on the CPU board Adjustthesensitivityofthereceiverbymeansofpotentiometer WR52 on the CPU board Fit or remove strap on P56 to change the intensity of the light emitter Description The ribbon low sensor is not working properly Possible Causes and Suggested...

Страница 144: ...led by means of a PRSTAT function in the current UBI Fingerprint program Bad connection Check that the cable is connected to P51 on the CPU board and undamaged Dirty or misaligned sensor Makesurethattheactivepartsofthesensorarenotobstructed bydustorforeignobjectsandthatthebracketisnotbentsoas to cause misalignment Wrong LTS sensitivity The sensitivity of the sensor s receiver and the light intensi...

Страница 145: ...m the printhead s outer connector to X2 on the power supply Dirty printhead Is the printhead clean Residue from label adhesive or burnt transfer ribbon on the printhead prevents it from functioning correctly Clean as described in the Installation Operation manual Wrong type of receiving media Incaseofdirectthermalprinting verifythatthestockofpaper is intended for direct thermal printing not therma...

Страница 146: ...r outer part of label Possible Causes and Suggested Remedies Bad printhead pressure alignment Adjustthepositionoftheheadliftarmasdescribedinchapter 8 9 The locking handle on the outside of the print unit is not properly closed Description Overall too dark printout bleeding Too dark a printout is particularlytroublesomewhenprintingcompactbarcodes in whichcasespacesbetweenthebarsbecomelessdistinctiv...

Страница 147: ...er and possibly also the printhead Preprinted ink has got stuck to the dot line Avoid preprinted labels with ink that has a low melting point less than 225 C Many dots or a block of dots are missing The internal IC circuit of the printhead is probably damaged Replace the printhead Description Unexpected black printout completely or partially Possible Causes and Suggested Remedies Wrong printhead v...

Страница 148: ...eaning card or a soft cloth moistened with isopropyl alcohol Paper dust or adhesive residue can deteriorate the paper feed function or make the paper slip Wrong belt tension Checkthetensionoftoothedbeltthatdrivesthepressingroller and adjust as explained in chapter 8 5 UBI Fingerprint instruction missing Verify that a print command is actually issued in the current UBI Fingerprint program CPU board...

Страница 149: ...t change the adjustment before you have per formed all other checks mentioned above Bad unwind bobbin alignment Check that the ribbon unwind bobbin is centre aligned in relation to the transfer ribbon as described in chapter 7 2 Description Transfer ribbon breaks Possible Causes and Suggested Remedies Wrong brand of ribbon Check if the transfer ribbon is an approved brand If not recommend the cust...

Страница 150: ...ifthesteppermotoroftheprintunitruns Ifneitherruns there is either no hardware lock electronic key on the CPU boardorsomeothererrorontheCPUboardorpowersupply Check as for Paper feed does not work in chapter 17 11 Ifneithertherewindunitnortherewindrollerrotateatallbut the print unit stepper motor is OK the rewind unit stepper motor could be incorrectly connected P421 or its drive circuits IC424 and ...

Страница 151: ...mechanism jammed Verifythatnopapershavings residuefromlabeladhesive or foreign objects obstruct the cutting operation Clean as de scribed in chapter 12 3 If the cutter is stopped from complet ing a cutting operation the motor may be damaged by overload Wrong voltage Measuring the voltage on connector P58 pin 1 P24 to pin 3 GND or pin 2 cutter output to pin 3 GND when a CUT instruction is executed ...

Страница 152: ...s rebooted Bad connection Pull out and push back the card a few times to see if it was not poor contact e g oxidation between card and adapter Note The printer must be turned off Error in content of the card IfyouhaveaccesstoaPCequippedwithacardreader listthe memory content of the PC memory card to see if it is correct In case of a SRAM card the information stored may have got lostduetosomemalfunc...

Страница 153: ...ected application is started Default UBI Fingerprint w std I O uart1 Last selected application is started The selected application is started POWER ON F4 Return to previous menu F5 Proceed to next menu Enter Accept displayed option and proceed or execute displayed option Feed Perform a Testfeed anywhere in UBI Shell Setup Enter the Setup Mode from anywhere in UBI Shell Legend Enter Enter Enter Ent...

Страница 154: ...OM UART1 NEW LINE NEW LINE CR LF SER COM UART1 REC BUF REC BUF 300 SER COM UART1 TRANS BUF TRANS BUF 300 DETECTION FEEDADJ SETUP FEEDADJ FEEDADJ STOPADJ STOPADJ 0 STARTADJ 0 Continued on next page LEGEND Boxes with thick lines indicate default setup Boxes with dotted lines indicate menus related to optional interface boards FEEDADJ STARTADJ If an optional interface board is fitted communication se...

Страница 155: ...MEDIA TYPE LABEL w GAPS 2 4 6 8 10 MEDIA TYPE 10 8 6 4 2 CONTRAST 0 PRINT DEFS HEAD RESIST SETUP PRINT DEFS HEAD RESIST nnn PRINT DEFS TESTPRINT ENTER PRINT F5 NEXT 1 Read only value Printhead resistance is automatically set at startup Continued from previous page PRINT SPEED 150 PRINT DEFS PRINT SPEED TRANSFER RIBBON CONSTANT TRANSFER RIBBON FACTOR MEDIA PAPER TYPE DIRECT THERMNAL LABEL CONSTANT ...

Страница 156: ...ent using a roll of spent transfer ribbon a simple dynamometer and a ruler Fittheribbonrollonthespoolyouwanttocheck Thelargerroll the better accuracy Measure the radius from the centre of the spool to the edge of the ribbon roll Fit the end of the ribbon to the dynamometer and pull Read the dynamometer Calculate the torque using the formula Torque Nmm Radius mm Force N Force Radius Formula Torque ...

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