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UBI EasyCoder 501 – Service Manual

190

26. TROUBLE SHOOTING, cont'd.

26.2
Single Function Failure,
cont'd.

No memory backup storage

• If setup values, programs, layouts, date and time, or the like which

are saved in RAM, turn out to be lost, the trouble could be a
deficient battery backup. In this case the message “Setup lost”
will appear on the display when the printer is switched on.

• The minimum voltage of a sufficiently charged battery after

power-off is 3.5V. The battery voltage must never drop below 3V
during power-off at normal operating conditions.

Turn on the printer and check that the battery is being charged.
Voltage over R-324 should be 1–1.4V.

• If the battery is not properly charged, the reason is often that the

diode D-307 has been damaged, e.g. by RAM packages having
been fitted upside down. The damage will not reveal itself before
the battery is empty and the memory is lost, which may take
weeks. If the diode is damaged, it must be replaced

1

. Refer to

chapter 17.6:13 for circuits diagram.

• When installing a printer, always recharge the internal battery by

leaving the printer switched on for at least 24 hours.

No communication (general)

The following actions are valid for all communication interfaces
installed in the printer. Refer also to trouble shooting of the interface
in question.

• Check that the interface cable is correctly inserted and that it is of

correct type and configuration.

• There are several ways to find out what parameters a certain

printer interface is set up for:

If the printer is fitted with a UBI Shell startup program, there are
various ways for printing or reading the setup, see the UBI Shell
Standard or UBI Shell Enhanced manual.

You could also enter the Setup Mode. Most standard startup
programs and the immediate mode of UBI Fingerprint allow you
to make use of the < Setup > key, provided the printer has a
keyboard.

In case of EasyPak 501 printers and EasyCoder 501 printers
without UBI Shell Standard, you may emulate an EasyCoder 501 E
by fitting a Service GAL and a Service Keyboard, see chapter
25.1.

Continued!

1

/. On CPU-board 1-040700-30 the

surface-mounted diode D-307 (BAR-
45C SMD) can be replaced by 2 pcs
Schottky diodes 1N5818 soldered to
through-hole positions D-307A (imme-
diately above the battery B-300) and
D-307B (next to potentiometer WR-
1), see chapter 17.5 and below.

B300

P201 C203

R324

D307A

D307B

D307

D200

WR1

DISP

Replacement
Diode 1N5818

Replacement

Diode 1N5818

Damaged
Diode D-307

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Содержание EasyCoder 501 SA

Страница 1: ...late 4 1 Description 23 4 2 Devices on Rear Plate 24 5 Paper Supply 5 1 Internal Supply 25 5 2 External Supply 28 6 Label Slack Absorber 6 1 Description 33 6 2 Dismantling 34 7 Transfer Ribbon Mechani...

Страница 2: ...allation 103 16 Transformer Unit 16 1 Description 104 16 2 Dismantling 105 16 3 Mains Connection Diagram 106 16 4 Wiring Diagram 106 17 CPU Board 17 1 Access to CPU Board 108 17 2 Overview 109 17 3 Ci...

Страница 3: ...Straps 164 23 3 Connector Configuration 165 23 4 Components Diagram 166 23 5 Circuit Diagrams 167 24 Print Quality Adjustment 24 1 Test Labels 169 24 2 Possible Printout Troubles 172 24 3 Mechanical A...

Страница 4: ...22 485 Interface Board Troubles 206 26 14 Parallel Interface Board Troubles 207 26 15 Industrial Interface Board Troubles 207 Appendix 1 Software Diagrams UBI Shell for EasyCoder Printers Without Keyb...

Страница 5: ...01 Technical Manual UBI EasyCoder 501 Spare Parts Options UBI EasyCoder 501 Installation Instructions for various options UBI Direct Protocol Programmer s Guide UBI Fingerprint Programmer s Guide UBI...

Страница 6: ...whatever measures 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 fo...

Страница 7: ...th 22 programmable keys EasyCoder 501 SA Stand Alone hasafullQWERTYkeyboardwithadditionalcontrolkeysadapted for the UBI Stand Alone program Continued Print Power Ready Error EasyCoder 501 1 MODELS AND...

Страница 8: ...ial number Thevoltageswitchindicatesthemainsvoltageforwhichtheprinter is set up 115 or 230 V AC Always check this switch before connecting the printer Youcanalsodetectiftheprinterisfittedwithanyoption...

Страница 9: ...nap locked IM PORTANT PRINTHEAD AND RIBBON INFORMATION The use of any thermal transfer ribbons other than those supplie d by UBI will invalid ate the printhead warranty UBI thermal transfer rib bons a...

Страница 10: ...rreplacesthefronthatch seechapter 12 By opening the front hatch or the optional cutter unit fitted in its place you can check if the printer is fitted with a Memory Card Adapter seechapter13 and oraLa...

Страница 11: ...the four screws at the bottomofthecoverplateandthefourscrewsalongtheupperedge hidden under the right hand cover In the electronics compartment you may check e g Type of CPU Board fitted UBI Fingerprin...

Страница 12: ...nd computer open a suitable communication program andstartuptheprinterintheUBIFingerprint simmediate mode TheinstructionsFILES rom FILES ram andFILES card1 allows you to check what files the various p...

Страница 13: ...rd For high speed printing Keyboard Built In Print Key Only 22 Programmable Keys QWERTY w control keys Bitmap Fonts Expandible 4 Times Min 1 Std 10 Min 1 Std 10 10 Bar Code Generators Depends on S W v...

Страница 14: ...501 E 200 mm 7 87 239 mm 9 41 R 285 mm 11 22 120 mm 4 72 135 4 mm 5 33 275 mm 10 83 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...

Страница 15: ...ith holes for mounting a cutter connector 4 pin female DIN type and a memory card adapter At the top part of the front moulding there is a cavity for the keyboard display assy This assembly is affixed...

Страница 16: ...align the brackets with the grub screws The keyboard display assy consists of a plate with two brackets a self adhesive keyboard an interchangeable slide and a keyboard interface pcb with a 2 16 chara...

Страница 17: ...ly there are three different slides with English text one for each main model as shown below Print Power Ready Error EasyCoder 501 Keyboard of EasyCoder 501 F1 F2 F3 F4 F5 Pause Setup Feed Enter 7 8 9...

Страница 18: ...gram 040701 01 P2 P1 P4 C1 C3 RN2 C4 R7 R4 R5 R6 R9 IC1 C2 IC2 RN1 P3 R3 R2 R1 LED1 LED2 LED3 Keyboard Interface Board 1 040701 26 Components Diagram Connections P 1 Permanently attached cable to P 2...

Страница 19: ...6 10 7 COL1 PB1 19 A5 9 6 COL2 PB2 AD0 20 34 DB0 8 5 COL3 PB3 AD1 21 33 DB1 7 4 COL4 PB4 AD2 22 32 DB2 6 3 COL5 PB5 AD3 23 31 DB3 5 2 COL6 PB6 AD4 24 30 DB4 4 1 SHIFT PB7 AD5 25 29 DB5 3 P3 AD6 A5 74H...

Страница 20: ...the rear hinge disengages At the inside of the door there is a label showing how to load the paper and the transfer ribbon The standard door can be replaced by an optional door provided with a clear...

Страница 21: ...f the same type as those of the right hand door The front hatch is keptshutbyasnap lockandcanbeswungdownalmosttoavertical position Thehatchcanberemovedfromitshingesbypushingitto the left until the sna...

Страница 22: ...our along the top CAUTION Since the electronic compartment contains wires and compo nents with dangerous voltage 115 230 V AC we strongly recommend that the printer is turned off and the power cord is...

Страница 23: ...re linewallandtransformerunitbytwo similar screws A bracket is affixed to the inside of the rear plate by a screw see illustration below The upper rear corner of the CPU board is insertedintoaslotinth...

Страница 24: ...atenextto uart1 canberemovedtoallowanumberof different interface boards to be fitted Ontheleftside asseenfrombehind therearetworectangularslots for paper from external supplies These slots can be prov...

Страница 25: ...line wall by means of two T20 Torx screws inserted from the electronics compartment The bobbins are spring loaded in order to fit paper roll cores with an inner diameter between 38 and 40 mm 1 5 1 6...

Страница 26: ...cessive paper to be unwound when the printing is stopped The brake torque should be 50 20 Nmm1 Theprinterispreparedforthefittingofapaper lowsensorinhaving a code disc fitted as standard at the innermo...

Страница 27: ...s with 76 mm 3 cores The adapter is locked by means of a screw Be careful not to let the screw hit the leaf springs or the cams of the bobbins Anoptionalpaperrollretainercanbefittedonthebobbins butnot...

Страница 28: ...wosetsofguiderollsthatcanbefittedtotherearof the print unit Thekitcanbeusedinmanydifferentwaysasexplainedlaterinthis chapter This illustration shows a full installation on an EasyCoder 501 E Continued...

Страница 29: ...at the upper or lower slot in the rear plate depending on how the paper supply is located in relation to the printer Insertthecompleteunitthroughtheslotfromtheoutsideandattach ittotherearplatebymeanso...

Страница 30: ...can fit the inner guide roll Ifthereisnorearguideshaftalreadyfittedintheprinter useoneof the shafts included in the kit and attach itto the printer s centre line wall by means of a T20 Torx screw inc...

Страница 31: ...struc tions in chapter 1 1 If the printer is fitted with a paper rewind kit its stepper motor must be removed see chapter 9 Remove the guide shaft EasyCoder 501 or label slack absorber EasyCoder 501 E...

Страница 32: ...ected 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 pape...

Страница 33: ...th compensating for the variations in tension Sincethelabelslackabsorberonlyisrequiredathighspeedprinting 100 mm sec 4 sec it is has been omitted from the Easy Coder 501 model as opposed to the EasyCo...

Страница 34: ...absorber unit is fitted to the centre line wall by means of two T20 Torx screws inserted from the electronics compartment The shaft should be screwed into the flange with a tightening torque of 5 Nm T...

Страница 35: ...sistsofashaft onwhichaspoolisfitted Thespoolcanpivot 1 3 ontheshaftand the spool can be moved sideways Itismostimportantthatthepivotingpointofthespooliscentredin relationtotheribbonwidth Therefore the...

Страница 36: ...thebobbinisforced to rotate i e when the ribbon is unwound the breaking spring is compressed After approximately halfa turn the diameter of the springhasbeencompressedenoughtoallowthesleevetoslip The...

Страница 37: ...re The unit is driven via a belt by the same stepper motor that drives the print roller The rewind unit is provided with a friction brake and a ratchet gear wheel in order to keep the ribbon tight The...

Страница 38: ...henylonwasher 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 direc...

Страница 39: ...rortoareceiverinthesensor The software compares the signal from the sensor with the printer s setupinregardofmediatypeinordertoavoidprintingonthewrong type of media Set up Detection Error Thermal tran...

Страница 40: ...UPT PROGRAM BY TYPING 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 Removethetransferribbonfrom...

Страница 41: ...erisidle unlessapaperrewindkitisfitted see chapter 9 The tear off edge makes it easier to tear off paper strip It is also used for peel off operation The label stop sensor LSS controls the paper feed...

Страница 42: ...UBI EasyCoder 501 Service Manual 42 8 PRINT UNIT cont d 8 2 Main Parts cont d Pressing Roller Tear Off Edge Rewind Roller Printhead Headlift Mechanism Stepper Motor...

Страница 43: ...hat hold the pulley on the shaft Usinga T20Torxscrewdriver removethebracketthatholdsthe bearing at the outer end of the shaft Pull out the roller and the two ball bearings Reassemble in reverse order...

Страница 44: ...hinitsturnisattachedtotheprintunitgablebythree T20 Torx screws When fitting the stepper motor to the bracket checkthetensionofthebelttothepressingrollerbeforethescrews are tightened The bracket does n...

Страница 45: ...ythebelt whichshouldflexjustalittlewhenyou press it with your finger Adjustment of ribbon rewinder belt Thebeltshouldbeadjustedsoitneitherjumpthecogsnorbecomes subjected to unnecessary wear Slightlylo...

Страница 46: ...en paper or labels are to be rewound internally see chapter 9 thetear offedgemustbereplacedbyanoptionallabelrewindguide using the same screws as illustrated below When not used the rewind guide can be...

Страница 47: ...backing paper between labels will let some of the light through Absence of paper lets the light pass uninterrupted The UBI Fingerprint firmware detects the start of each label i e when the condition...

Страница 48: ...ustmentwhentheuserchangestoanother brand or sometimes even batch of media and when a defective sensorhasbeenreplaced Beforestartingtheadjustment checkthat both the upper and lower sensor are clean and...

Страница 49: ...alignment will be lost Puttheballbearinganditsbracketaside aswellastherearguide plate Pull out the lower gable and the LSS assy Remove the two T8 Torx screws that hold the defective sensor Cut the cab...

Страница 50: ...the ink melts and sticks to the receiving face material wheretheinkimmediatelybecomessolidagain producingablack spot The transfer ribbon does not smear neither before nor after printing Nor do the pri...

Страница 51: ...ng the paper feed direction represents a shorterdistancethanthesamenumberofdotsacrossthepaperfeed direction see table below The reason is that the medium density printheadandthepaperfeedmechanismarede...

Страница 52: ...istance at startup The printhead can also be checked using the UBI Fingerprint function HEAD Theprintheadisfittedtoanadapterplatebymeansofasinglescrew Alockingmechanismoperatedbyaleverholdstheadapterp...

Страница 53: ...counter clockwise to open position see illustration The printhead adapter assembly will now be free and can be carefully removed as far as the cables allow Disconnect the two printhead cables Pull at...

Страница 54: ...ingsurethattheguidescrewfitsintoitsslotandthattherear partoftheadapterisheldbythetwolugsonthebracket Youcan switch between printheads with different densities at will Turn the locking handle clockwise...

Страница 55: ...and position see illustra tion dotNo 0isalignedwiththeinneredgeofthepaperweb Since the maximum print width is 104 mm 4 1 and the maximum web widthis120mm 4 7 thisleavesamarginofatleast16mm 0 6 along t...

Страница 56: ...insidetheinneredgeofthepaper web Since the maximum print width is 104 mm 4 1 and the maximum web width is 120 mm 4 7 this leaves a margin of at least 13 mm 0 51 along the outer edge of the web If an...

Страница 57: ...8 mm 0 03 inwards of the inner edge of the paper web Since the maximum printwidthis108 3mm 4 26 andthemaximumwebwidthis120 mm 4 7 this leaves a margin of at least 10 9 mm 0 43 along the outer edge of...

Страница 58: ...tshaftisfittedwithtwoadjustablespringpackages that press down the headlift bracket The bracket itself is designed as a torsionspring Theheadliftshaftendswithahandleatonesideand a code disk at the othe...

Страница 59: ...wswhichallowtheanglebetweenthegableandthefront edgetheprintheadtobefactory adjusted Thebracketisfittedwith a locking mechanism for the printhead assy 8 PRINT UNIT cont d 8 8 Headlift Mechanism cont d...

Страница 60: ...bs of both adjusters are rotated clockwise as far as they go On the inside the knobs are designed as ratchet wheels An increased resistance and clicking sound occurs at each quarter of a turn When ass...

Страница 61: ...motor that drives the rewind roller in the print unit and therewindunit Therewindrollerisfittedasstandardevenwhen no rewind kit is installed Arewindunitthattakesupthespentbackingpaperortheprinted med...

Страница 62: ...s Rewind Operation The rewind unit can accommodate approx 1 4 to 1 3 of a full label roll 9 PAPER REWIND KIT cont d 9 1 Description cont d Tear off edge retained IM PO The use of an the printhead The...

Страница 63: ...motor and or support plate before the screws are tightened Thepaperrewindunitisfittedwithabrace thatholdsthepaper The unit is fitted to the printer s centre line wall by means of two T20 Torx screws t...

Страница 64: ...ionbrakealsotakesupsuddenjerks 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 Iftherewindunitdoesnothaveenoughstrengthtore...

Страница 65: ...sferprintingandincreasing the time between ribbon reloads TheRibbonSaveDeviceworksautomatically butcanbeturnedoff if so desired see chapter 10 2 When the software determines that no printing is to be...

Страница 66: ...er can be threaded between the rear drive roller and the pressing roll By default the Ribbon Save Device is automatically turned on whenever such a device is fitted However ribbon save operation can b...

Страница 67: ...sm Therefore this is a factory installed option only TheRibbonSaveDeviceconsistsofthefollowingmainparts each described in a separate subsection Theprintunitdiffersinsomeimportantrespectsfromthestandar...

Страница 68: ...ribbon save operation At the rear part of the print unit there is an additional drive roller that pushes the paper forward when the printhead is lifted A spring loadedsetofpressingrollsprovidesthenec...

Страница 69: ...guidingthepaper when being pushed forward by the rear drive roller The guide plates can be dismantled without any tools to make it easy to remove possible stuck labels Thelateralpositionofthelabelstop...

Страница 70: ...r load Thereardriverollerisdrivenbythesamebeltandsteppermotoras the front pressing roller platen and fitted to the gables of the print unit in a fashion similar to the pressing roller platen Rear Driv...

Страница 71: ...edbylookingheadonintotheprint unit when the printhead is lifted Align the centrepoint of the V shaped upper sensor with the centre of the gaps to be detected The linear markings on the lower guide pla...

Страница 72: ...uter end free before carefully pulling out the guide plate Guide Plates Cleaning The rectangular areas with a smooth surfaces on each guide plate are actually windows which are transparent to the ligh...

Страница 73: ...the print unit Label Stop Black Mark Sensor Replacement To remove the LSS bracket from the carriage e g for cleaning or replacing a sensor proceed as follows see illustration on next page Remove the...

Страница 74: ...ketupattheouterendandpushitinwardssotheinner notch in the bracket engages the carriage Pressdowntheouterendofthebracket sothesnap lockengages the outer notch Press the bracket inwards as far as it goe...

Страница 75: ...ndtheprintheadbracketareconnectedbymeansoftwo screws that can move in holes in the bridge Adjustment is done by means of two nuts Printhead Bridge Adjustment Toadjusttherelationbetweenthebridgeandthep...

Страница 76: ...ansoftwo spring loaded arms in order to be self aligning A linkage connects the turning sleeve to the headlift shaft so the pressing roll is lifted when the printed is lifted manually by means of the...

Страница 77: ...r fitted on a bracket that also holds the connection board which controls the headlift motor and the ribbon rewind motor The headlift motor is fitted with an excenter that engages a lever fittedontheh...

Страница 78: ...d A photoelectric sensor connectedtoP 4ontheconnectionboarddetectsthepositionofthe cam printheadliftedorlowered Theouterendofthemotor sshaft is supported by a ball bearing inserted in the bracket The...

Страница 79: ...cont d Adjustment The whole unit is fitted to oblong holes in the chassis which allow the mechanism to be slightly adjusted in relation to the headlift lever The distance can be measured with a feele...

Страница 80: ...e adjusted The lower leg of the stepper motor assy runs through a bracket at the top of the headlift mechanism to give the latter additional support Replacement To replace the belt the stepper motor u...

Страница 81: ...ual 81 10 RIBBON SAVE DEVICE cont d 10 9 Connection Board Connection Board 1 040702 28 Components Diagram Connections P 1 Permanently attached cable to P 8 on CPU Board P 2 Ribbon Rewind Motor P 3 Lif...

Страница 82: ...T2 ST3 ST4 ST5 ST6 GND EN_ENG2 74HC573 11 CLK 1 OE 2 19 ST6_ENG2 D 3 18 ST5_ENG2 D 4 17 ST4_ENG2 D 5 16 ST3_ENG2 D 6 15 ST2_ENG2 D 7 14 ST1_ENG2 D 8 13 D 9 12 D IC1 5V R4 P4 2 4 LIFT_HEAD 1 POSITION 3...

Страница 83: ...cket 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 P 606 on the CPU boar...

Страница 84: ...ot 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 10...

Страница 85: ...e screw included in the kit fit the sensor bracket assembly to the inner wall of the print unit as shown by the two illustrations below Fit the cable underneath the top part of the bracket as illustra...

Страница 86: ...abel in the outfeed slot to create a label not taken condition The printer should start to beep continuously If not turn the potentiometer back and forth until the beeping starts Adjust the potentiome...

Страница 87: ...adhesiveorothersoft 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 m 175 grammes m...

Страница 88: ...lues are recommended for cutting between labels and for variable length strip In both cases the start adjustment is calculated to allow the paper web be pulled back after cutting so printing can start...

Страница 89: ...ensor LTS it has to be removed before the cutter can be fitted see chapter 11 Fitthecutterunittothevacanthinges Makesurethatthelocking plate snaps into the groove of the right hand hinge and that the...

Страница 90: ...ainandlockitinclosedposition Check that the printhead is lowered and turn on the power Now the printer is ready for operation The spring that presses the anvil blade against the rotating shear may eve...

Страница 91: ...onthebuffersIC 3 IC 5 datafrom the card is subsequently received through the bidirectional buffers IC 1 IC 2 see circuit diagram 1 971706 26 later in this chapter ThepurposeofsignalENIO istoaddressthe...

Страница 92: ...ion cont d Continued Memory Card Adapter Board Components Diagrams Memory Card Adapter Board 1 971706 26 Soldering Side Memory Card Adapter Board 1 971706 26 Component Side P 2 P 1 IC 7 D 1 C 7 RN 1 R...

Страница 93: ...1 17 A23 18 A22 19 A21 20 A20 21 A19 22 A18 23 A17 24 A16 25 AD15 26 AD14 27 AD13 28 AD12 29 AD11 30 AD10 31 AD9 32 AD8 33 AD7 34 AD6 35 AD5 36 AD4 37 AD3 38 AD2 39 AD1 40 AD0 1 AN1 5V 1 AN2 5V CSLOW...

Страница 94: ...CARD ADAPTER cont d 13 1 Description cont d Bus Driver Board Components Diagrams Bus Driver Board as fitted on the CPU Board Bus Driver Board 1 971712 25 Components Continued P1 P1 MOUNTED ON SOLDERI...

Страница 95: ...2 AD0 1 19 2 3 4 5 6 7 8 9 17 AD14 18 16 15 14 13 12 11 5 3V 5 3V GND GND CSMEM RD WR HBE GND GND GND GND NADS GND NMI GND A23 A22 A21 A20 A19 A18 A17 A16 AD15 AD14 AD13 AD12 AD11 AD10 AD9 AD8 AD7 AD6...

Страница 96: ...FZB Two Screws RTK ST 2 9 x 16 FZB One installation instructions booklet Turnoffthepower Fordoublesecurity pullthepowercordout of the mains receptacle at the rear plate of the printer Open the right h...

Страница 97: ...ry card adapter to the free connector P 2 on the Bus Driver board Check that the cable cannot be damaged by movable mechanical parts Put back the left hand cover as initially mounted Check that a memo...

Страница 98: ...heUBIConfigu ration program Once programmed they cannot reprogrammed SRAMcardsmaybeusedthesamewayasOTPROMcards The filesinsuchacardareregardedasanintegratedpartoftheprinter s ROMmemoryandcanbelistedus...

Страница 99: ...urethatthemanufacturer slogotypeonthememorycard is facing upwards Press firmly inwards so the pins in the adapter engage the corresponding slots in the memory card Turn on the power again and close th...

Страница 100: ...rs can be read and used for indicate paper low and ribbon low conditions as opposed to out of paper out and out of ribbon conditions which are supported by the standard error handling See SYSVAR syste...

Страница 101: ...4 Continue by fitting the paper low sensor Paper Low Sensor Remove the three T20 Torx screws holding the large crescent shaped guide plate that surrounds the paper supply unit see chapter 5 1 Remove...

Страница 102: ...forpersonal computers developed byBitstream Inc and Apple Computer Inc respectively There are thousands of different fonts available from UBI Printer AB at a low cost The fonts come as files in PC for...

Страница 103: ...e it with the smallest of the circuits included in the kit The small semicircular mark must face upward Fit the EPROM package marked 5 in socket IC 104 and the EPROM package marked 6 in socket IC 105...

Страница 104: ...e selector are accessible through slots in the rear plate The transformer unit is connected to P 300 on the CPU board via a single cable Thecablesofthetransformerunitarepermanentlyaffixedtoeither the...

Страница 105: ...etheL shaped bracket that holds the CPU board to the rear plate Removethetwo T20Torxscrewsthatholdthetransformerunit to the rear plate and the single T20 Torx screw that connects it to the centre line...

Страница 106: ...Black Black Black Yellow 16 4 Wiring Diagram Mains Inlet w Filter Main Switch Transformer Voltage Select Switch shows 115V selected To P 300 on CPU Board Mains Voltage Black Black Ye Gr Yellow Black 4...

Страница 107: ...ice Manual 107 1 4 BLUE BLUE RED RED YELLOW GREEN BLACK BLACK ORANGE RED BROWN BROWN YELLOW To P 300 on CPU Board To Main Switch and Line Selector Ring Core Transformer 16 TRANSFORMER UNIT cont d 16 4...

Страница 108: ...Therefore there is a risk of short circuit if any conductive tools are used on the CPU board When adding or replacing any socket mounted circuits make sure that their front markings are pointing in th...

Страница 109: ...Data measurements e g printhead temperature and voltage PROM for program formats and character generators RAM for formats and images Inputs outputs and communication TheCPUboardisequippedwithtwoproces...

Страница 110: ...illustrated by the following diagram For a detailed circuits diagram refer to chapter 17 6 13 AC DC CONVERTER VOLTAGE WATCH DOG DC DC CONVERTER 33 V DC DC CONVERTER 24 V DC DC CONVERTER 5 V RESET Batt...

Страница 111: ...h Memory IC 106 109 SRAM packages IC 200 RS 232C driver circuit IC 402 HPC slave processor IC 508 DMA circuit IC 700 Program GAL STD or EHC FY 300 Fuse 6 3A 5x20 FST IEC Optional Circuits IC 20 Clock...

Страница 112: ...00 IC 105 General Information ThesesocketscanuseeitherEPROMsorFlashMemorypackages EPROMs must be fitted in pairs e g IC 100 stores the even byte portion and IC 101 stores the odd byte portion of a 16...

Страница 113: ...108 and IC 109 All SRAM packages must be of the same type and size 2 128 kbyte 2 1 Mbit Total of 256 kbyte 2 Mbit 4 128 kbyte 4 1 Mbit Total of 512 kbyte 4 Mbit 2 512 kbyte 2 4 Mbit Total of 1 024 kb...

Страница 114: ...The HPC is a masked programmed controller which means that it hasaprogramofitsownburntintoaninternalROMmemory This circuit controls machine related functions like Thermal printheads The slave processo...

Страница 115: ...No 1 971805 xx see above TherearetwotypesofGALcircuitsforIC 700 oneforEasyCoder 501 and another for EasyCoder 501E and EasyCoder 501 SA It is most important the correct type of GAL is fitted Printer T...

Страница 116: ...nal for RS 232C on uart1 pin 20 also see chapter 18 2 Pin 1 2 DTR indicates printer turned on Pin 2 3 A copy of RTS signal is produced Default Jumper on pin 1 2 P 202 Interface Select This strap selec...

Страница 117: ...is to test the 5V voltage before connecting the logic thereby avoiding damage to the circuits due to a faulty 5V switch Jumper fitted 5V enabled Jumper removed 5V disabled Default Jumper fitted P 604...

Страница 118: ...rface Expansion P 300 Power from Transformer P 303 24V P 8 Ribbon Save Optional Connections P 1 Memory Expansion memory card adapter P 4 InterfaceExpansion extrainterfaceboard P 6 Paper Cutter P 8 Rib...

Страница 119: ...R15 C7 R16 C8 R18 C9 IC204 C4 R10 R423 C605 R422 IC02 IC700 F702 R425 R22 C413 IC03 IC702 C702 R721 IC06 R503 R502 P602 R642 R627 2 1 IC512 IC502 IC510 IC503 IC509 IC511 040700 10 C505 C507 C506 C22 C...

Страница 120: ...17 9 CSMEM 18 8 CS4 19 7 CS3 20 6 CS2 21 5 CS1 22 4 CS0 23 3 2 1 RESETB RESETB MEMTYPE A18 74HC32M 2 A18 CS 3 1 IC03A 1 74HC32M 5 CS4B 6 4 IC01B 74HC32M 2 CS3B 3 1 IC01A IO9 IO8 IO7 IO6 IO5 IO4 IO3 IO...

Страница 121: ...1 A2 9 A0 A1 10 PC7 11 NC 12 PC6 13 PC5 14 PC4 15 PC0 16 PC1 17 CGDATA CGSTROB CGLATCH PPWREN CGCLK CGENABLE CGSTART OR ON 5V AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 RESET RN3 WR IN2 IN1 ERROR DATAIN RS IDENT...

Страница 122: ...18 2 A5 EN 1 CSPANEL 74HC241M IC05 AD8 AD9 AD10 AD11 AD12 AD13 AD14 18 AD15 RD PANEL INTERFACE 5V WR1 1 2 3 AD4 AD3 AD5 AD2 AD6 AD1 AD7 AD0 CSX0 CSX1 XINT WR RD X0 X1 NMIHPC 5 3V GND RESET A4 A2 A3 A...

Страница 123: ...DA 6 SHIFT 4 WR 3 RD 2 IOW 1 IOR IC508 21 AD15 D7 22 AD14 D6 23 AD13 D5 26 AD12 D4 27 AD11 D3 28 AD10 D2 29 AD9 D1 30 AD8 D0 40 A8 A7 39 A7 A6 38 A6 A5 37 A5 A4 35 A4 A3 34 A3 A2 33 A2 A1 32 A1 A0 R51...

Страница 124: ...I2 VCC EXUI B0 B1 B2 B3 B4 B5 B6 B7 WO GND CKI 9 8 7 6 4 3 2 1 68 67 66 65 64 63 61 NMIHPC RESET AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 GND IC19C IC502A 1 74HC04M 74HC074M D D D D D D D D 9 8 7 6 5 4 3 2 A1...

Страница 125: ...TIMING CURRENT GND D403 8 9 7 11 2 10 ST6 ENG1 ST4 ENG1 ST5 ENG1 5V IC401 PBL3770 GND C405 R405 R406 R408 C404 15 1 16 14 V40 3 V40 13 12 5 4 P401 1 2 3 4 5 6 7 8 D404 AOUT BOUT EMITTER VM VM GND GND...

Страница 126: ...OE CS A18 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A1920 WRL19 RD CS1 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 27C080 IC104 30 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 1 31 24 22 D0 D1 D2 D...

Страница 127: ...11 A12 A13 A14 A15 A16 A18 WR RD CS A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A19 WRH RD CS3B 628512 A18 CS 30 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 13 14 15 17 18 19 20 21 IC108 12 11 10 9...

Страница 128: ...R 12 DSR 14 CTS 16 RXDRS TXD RTS RESET MC145407 CEXT CEXT C209 17 10V C202 4 10V 10 TXD 8 RTS 6 DTR R201 R200 P200 1 2 3 C200 C201 15 RESET 13 RTS 11 TXD 18 20 3 1 IC207 8 2 7 3 6 5 DS8921 R213 R214 D...

Страница 129: ...NC 1 D7 AD15 2 D6 AD14 3 D5 AD13 4 TONE DECODER OUTPUT TONE OUT TIME CAP TONE IN IN FILTER OUT FILTER GND R644 R641 P607 2 C612 R633 R632 Q602 1 5V 8 5 R630 IC604 6 3 2 1 LM567CM 5V R624 C606 C608 2 C...

Страница 130: ...8 19 20 STARTD 21 LOAD 22 DATA 23 F700 TPHCLK ERROR DATAIN AD TEMP PRINTHEAD P24 R704 R717 LM358M 1 3 R715 2 8 IC703A V24 R708 R706 IC701 C700 1 LM317LZ 2 3 R705 C701 R711 AD RES R718 R703 R701 V24 Q7...

Страница 131: ...1 17 6 12 Power to Printhead 17 CPU BOARD cont d PPWREN IC702B 4 R712 6 5 74HC08M 2 R709 R707 V40 1 Q702 3 R713 R716 3 Z700 2 R302 AD P24 R306 P301 P24 Q704 GND 1 2 Q703 3 GND GND 2 3 4 5 6 7 8 9 V24...

Страница 132: ...2 R328 R325 4 5 2 1 9 6 7 R334 R335 R336 R338 C312 C317 C313 C316 GND GND R323 R321 C314 C315 GND D309 5V C311 D308 VEE Q303 R322 1 2 3 R330 R327 RESET RESETB Q304 1 2 3 GND GND R327 R333 R332 5V R331...

Страница 133: ...sed to check various signals or voltages using an oscilloscope or a voltage meter ADS Address strobe Controls address latches NHOLD Hold request from DMA active low VEE Battery voltage Min 3 0V at pow...

Страница 134: ...ked If OK do the setup Contrast setup Print contrast is set Serial comm setup All uart s are initiated Service setup Label limits are set Paper type is set Image buffer size is set Head resistance is...

Страница 135: ...Ext RS 422 In RXD RS 422 Out DTR out RS 422 Out RXD All EasyCoder 501 printers are fitted with a DB25 male interface connectorontheirrearplates comm port uart1 Thisconnector can be used for an RS 232C...

Страница 136: ...be fitted on uppermost position of P 202 RS 422 circuit on IC 207 opto couplers on IC 205 and IC 206 optional and straps on P 204 P 209 are of no consequence The following hardware straps can be fitt...

Страница 137: ...ionally which may harm your computer or terminal To Printer uart1 To IBM XT PS 2 DB25 female connector cable DB25 female connector Housing Housing Cable shield 1 1 Cable shield TXD out 2 2 TXD out RXD...

Страница 138: ...ehostcomputeroveradistanceofupto1 200metres 4 000 ft by use of a four wire cable The transmission is full duplex i e reception and transmission can take place simultane ously RS 422 requires an additi...

Страница 139: ...e fitted on IC 207 Jumper must be fitted on the lowest position of P 202 to select RS 422 Jumper must be fitted on some of P 204 P 209 according to diagram below RS 232C circuit on IC 200 standard jum...

Страница 140: ...he printer and the host computer Therefore this interfaceissuitablewhereelectricalinterferencemayoccur andfor transmission over longer distances up to 500 metres or 1 500 ft Depending on the configura...

Страница 141: ...200 are of no consequence P 203 External 5 Volt Jumper fitted connects 5V to pin 16 Warning Max 200 mA Becarefulnottoenabletheexternal5Vunintentionally whichmay cause harm to the terminal PC or other...

Страница 142: ...of the current to the loop PRINTER CABLE COMPUTER Transmitter Receiver 47 ohm 270 ohm Pin 9 Pin 11 Pin 12 Pin 10 Pin 13 Pin 18 Pin 25 Pin 14 TXD TXD RXD RXD Transmitter Receiver 47 ohm 270 ohm Pin 9 P...

Страница 143: ...S 422 1 RS 232C 1 RS 485 1 RS 232C Please refer to the chapter 1 2 for information on which interface boards are available for the various models Parallel interface board 1 Centronics Industrial inter...

Страница 144: ...alled Connect the cable from the interface board to connector P 4 marked EXT INTERFACE at the lower rear corner of the CPU board Keep interface board and CPU board apart to avoid damage or short circu...

Страница 145: ...kit complete with installation instructions or be factory installed With the Serial Interface Board installed the following types of interfaces can be selected uart1 Fitted on printer s CPU pcb RS 23...

Страница 146: ...trapfittedonP 3betweenpin1 2 rightandmiddlepins selects RS 232C 20 mA Current Loop Strap fitted on P 3 between pin 2 3 middle and left pins selects 20 mA current loop External 5V External 5V max 200 m...

Страница 147: ...rinter 4 RTSA RTSB RS 232C RS 232C RTS from printer 5 CTSA CTSB RS 232C RS 232C CTS to printer 6 DSRA DSRB RS 232C RS 232C DSR to printer 7 GNDI GNDI RS 232 C RS 232C Signal ground 8 not used 9 20M1 C...

Страница 148: ...terface Board 1 971703 40 P5 P2 F24 F12 F13 F14 F15 F25 F16 F17 F26 F19 F20 F21 F22 F23 F28 F29 F9 F6 F5 F4 F3 F2 F1 IC4 IC2 IC5 IC3 IC6 IC4 RN1 RN2 C9 C12 C11 C10 C5 C8 C7 C6 Z1 R1 R2 R10 Z2 R3 R4 D2...

Страница 149: ...1 X1 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 47k 10 2 5 3 6 4 7 9 8 RN2 RN1 CSX1 WR RD DTRA A4 A3 A2 A1 47k 8 9 10 5 3 7 6 4 2 1 X1 CLK X2 RESET CS WR RD INT A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 RXDA TXDA RXD...

Страница 150: ...CTSB DSRB GNDI 20M1 20M1 TXD TXD 20M2 20M2 5VEXT RXD DTRB RXD TXDB RXDB RTSB CTSB DSRB GND 20M1 20M1 TXD TXD 20M2 20M2 5VEXT RXD DTRB RXD F12 F13 F14 F15 F16 F17 F19 F20 F21 F22 F23 F24 F29 F25 F26 F...

Страница 151: ...h installation instructions or be factory installed WiththeRS422 485InterfaceBoardinstalled thefollowingtypes of interfaces can be selected uart1 Fitted on printer s CPU pcb RS 232C Standard RS 422 or...

Страница 152: ...eception cannot take place simultaneously Simplified example of an RS 485 connection A transmission of data can be addressed to a certain unit in an RS 485 multi drop loop provided the Prot addr setup...

Страница 153: ...andP 9shouldbestrappedon master unit Usually the host computer is master P 10 100 terminatingresistor Shouldbestrappedonthefirst and last units regardless of RS 422 or RS 485 P 11 100 terminating resi...

Страница 154: ...0 ohm P 10 P 8 P 2 P 9 VEE GNDE PRINTER PRINTER PRINTER master RS 485 MULTIDROP LOOP w printer as master unit Screened twisted 2 line cable approx 50 pf m P 8 and P 9 strapped on master unit P 10 stra...

Страница 155: ...RS 422 485 22 23 24 25 uart2 is a DB25 female connector uart3 is a DB25 male connector The mounting holes are connected to chassis ground 21 3 Connector Configuration STRAP S1 S2 S3 S4 S5 Address 0 Ad...

Страница 156: ...85 Interface Board 1 971708 40 P5 P2 F11 IC2 IC3 IC7 IC1 RN1 D2 R4 F1 C8 C4 Q1 C3 R7 C1 Y1 P3 P6 5V EXT C19 P4 F5 F6 F7 F8 F9 F12 F10 IC10 IC8 IC6 IC5 IC4 C12 C15 C14 C13 R1 R3 R6 R2 R5 RN2 2 WIRE 4 W...

Страница 157: ...RN1 CSX1 WR RD DTRB JUM3 A4 A3 A2 A1 47k 7 9 10 8 3 6 5 4 2 1 RXDB CTSB DSRB TXDB RTSB DTRB C12 C14 X1 CLK X2 RESET CS WR RD INT A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 RXDA TXDA RXDB TXDB I 6 I 5 I 4 I...

Страница 158: ...pes of interfaces can be selected uart1 Fitted on printer s CPU pcb RS 232C Standard RS 422 or 20 mA CL Option Additional circuits required centronics Fitted on Parallel interface pcb Centronics paral...

Страница 159: ...rnal 5V unintention ally which may cause harm to the terminal computer or other device connected to this port Busy Signal S 1 Jumper fitted BUSY signal ON until end of ACK signal No jumper fitted ACK...

Страница 160: ...TURN 2000 READY4 2010 RETURN Also see BUSY and READY statements and PRSTAT function in the UBI Fingerprint Reference Manual 22 PARALLEL INTERFACE BOARD cont d 22 3 Connector Configuration Pin Signal D...

Страница 161: ...UBI EasyCoder 501 Service Manual 161 22 4 Components Diagram 22 PARALLEL INTERFACE BOARD cont d Parallel Interface Board 1 971704 41...

Страница 162: ...C8C 9 8 ACK 10 74AC00 SLCTIN INPRM 9 7 4 5 6 3 8 RN4 1 5V 10 9 8 7 6 5 4 RN3 BUSY F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 10 2 F14 F15 F16 F17 F18 5V R3 F19 F20 GNDC CONNECTED TO CHASSIS GROUND MOU...

Страница 163: ...l Interface Board can either be bought separately as a kit complete with installation instructions or be factory installed With the Industrial Interface Board installed the following means of communic...

Страница 164: ...tements are executed in the program Four straps P 2 P 6 P 7 and P 8 control the relation between relay and output signal on output ports 201 204 respectively PORTOUT stmt Strap between pins OUT signal...

Страница 165: ...TXDB Transmitted data from printer 2 OUT 201 3 RXDB Received data to printer 3 OUT 202 4 RTSB RTS from printer 4 OUT 202 5 CTSB CTS to printer 5 OUT 203 6 DRSB DSR to printer 6 OUT 203 7 GNDI Signal g...

Страница 166: ...4 Components Diagram Industrial Interface Board 1 971709 40 P5 P3 IC2 IC3 IC1 RN1 Q1 C14 R15 C15 Y1 P2 P4 C4 C6 C5 C3 R6 RN2 P1 R9 R10 D1 C2 C1 F11 F5 F6 F7 F8 F10 F9 F12 REL4 REL3 REL2 REL1 IC6 IC4 C...

Страница 167: ...AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 47k 10 2 5 3 6 4 7 9 8 RN2 RN1 CSX1 WR RD DTRA A4 A3 A2 A1 47k 8 9 10 5 3 7 6 4 2 1 X1 CLK X2 RESET CS WR RD INT A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 RXDA TXDA RXDB TXDB...

Страница 168: ...1 5 2 P8 74HC04 1 2 IC6A 5V 1 ULN2003 1 16 IC4A OUT4 4 3 1 REL4 2 3 1 IC5D TTL193B 7 8 9 R5 R6 C10 74AC14 10 5V 10 11 IC3E IN1 R18 5 2 P2 74HC04 9 8 IC6D 5V 1 ULN2003 4 13 IC4D OUT1 4 3 1 REL1 2 3 1...

Страница 169: ...yCoder 501 501 E only See UBI Shell Startup Manuals and diagram in Appendix 1 EasyPak Start Up EasyPak 501 501 E only See EasyPak Getting Started manuals Therearefourdifferenttestlabelsthatshowtheprin...

Страница 170: ...ing roller platen or foreign objects on it A sudden change from darker to weaker printout across the paper indicates a small image buffer In extreme cases only part of the pattern will be printed Test...

Страница 171: ...cases a fifth test label follows This test label shows the printer spresentsetup Ifthesetupinformationdoesnotfitintoone label e g becauseofthreesetsofserialcommunicationparameters andbuffers addition...

Страница 172: ...y control Check CPU board Chapter 26 3 Transfer ribbon breaks Ribbon fitted around LSS Check adjust n a Wrong Paper Type setup Check change Technical Manual Ribbon unwind unit stuck Check adjust Chapt...

Страница 173: ...cause ribbon wrinkling and unnecessary wear of the printhead The pressure is factory adjusted but special applications or chang ing between printing methods may require readjustment using the trial a...

Страница 174: ...Make a rough adjustment like this Turn both adjustment knobs clockwise as far as they go to maximum pressure Release the pressure of the inner spring package by turning the knob 2 1 4 turns counter c...

Страница 175: ...ere 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 screwdriver loosen the locking screw that runs in...

Страница 176: ...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 beari...

Страница 177: ...ntoachannelin the profile see chapter 8 2 As long as the centre screw is not loosened the outer gable can be removedandputbackwithouttheadjustmentbeinglost Readjust ment requires a fixture and should...

Страница 178: ...BI Shell installed customized applications and facilitates LSS adjustment and communication reset ThelimitedTestModeforEasyCoder EasyPak501allowsaseries of test labels to be printed see chapter 24 1 E...

Страница 179: ...DE39 CODE39 1 234567 890128 UART1 BAUDRATE 9600 PARITY NONE CHAR LENGTH 7 STOPBITS 2 RTS CTS DISABLE ENQ ACK DISABLE XON XOFF DATA FROM HOST ENABLE DATA TO HOST ENABLE NEW LINE CR LF PRINT CONFIG CONT...

Страница 180: ...ot taken only if label taken sensor is fitted Last label High thermal printhead voltage After the error is cleared and a new printfeed has been executed next error will be reported When no more error...

Страница 181: ...wever any changes made in the immediate mode to setup values or files in the printer s RAM memory will not be reset Enter the Test Mode as follows also see diagram on next two pages Turn off the print...

Страница 182: ...OW Show or remove current LSS value F2 Decrease LSS value 1 step F3 Increase LSS value 1 step F4 Decrease LSS value 10 steps F5 Increase LSS value 10 steps Reset communication to default values on uar...

Страница 183: ...remove current LSS value Z Decrease LSS value 1 step X Increase LSS value 1 step C Decrease LSS value 10 steps V Increase LSS value 10 steps Reset communication to default values on uart1 std I O LSS...

Страница 184: ...ormer and the CPU board P 300 Turn on the power again Check the output voltage from the transformer to the CPU board pin3 4 redcables whichshouldbe33VAC Ifso theproblem is probably caused by a malfunc...

Страница 185: ...sible causes of malfunction seems likely one of the rectifier diodes D 300 D 301 D 304 or D 306 is probably damaged If the cause of malfunction is still not found it is bound to lie in the cables or c...

Страница 186: ...ans of an EPROM pro grammer and compare the result with the same EPROMs from another printer Check that the GAL circuit on IC 04 is fitted correctly and is of the correct type article number 1 971805...

Страница 187: ...ogram has somehow got stuck i e the RAM memory is overflowed or contains meaningless data An easy way to clear all RAM memory including saved pro grams istoentertheServicepartoftheSetupModebymeansof a...

Страница 188: ...eyboardinterfaceboard Check cableandconnectorP 2onCPUboardforpossibledamageorbad contact PotentiometerWR 1fordisplaybrightnessadjustmentmayneed to be adjusted A malfunction may also be due to the fact...

Страница 189: ...irect Protocol Programmer s Guide To have other error message displayed requires some kind of an errorhandlingprogram e g ERRHAND PRG seetheUBIFinger printProgrammer sGuide ortheerror handleroftheUBID...

Страница 190: ...ours No communication general The following actions are valid for all communication interfaces installedintheprinter Referalsototroubleshootingoftheinterface in question Checkthattheinterfacecableisco...

Страница 191: ...have been damagedasaresultofvoltagetransientsfromtheinterface Being socket mounted these circuits are easily replaceable Repeateddamageis however anindicationofinsufficientcable screening or the elect...

Страница 192: ...ing the potentiometer WR 600 on the CPU board If the label stop sensor still does not operate correctly check the condition of its cables and that it they are correctly connected to theCPUboard Lowers...

Страница 193: ...inting regardless if the transfer ribbon is removed error 1058 Transfer ribbon fit ted Check the sensor for paper dust or foreign objects and that the mirror plate is properly aligned Check that the s...

Страница 194: ...cable from the printhead s outer connector to P 301 Is the printhead clean Residue from label adhesive or burnt transfer ribbon on the printhead prevents it from functioning correctly Clean as describ...

Страница 195: ...rintout Weak or missing printout of some dots Examine the printhead and the pressing roller for dust adhesive residue or damage Clean or replace Oneortwomissingdotsmaybeduetomechanicaldamagetothe prin...

Страница 196: ...eanthepressingroller Paperdustcandeterioratethepaperfeed function Clean the label stop sensor as well while you are at it Check the tension of toothed belt that drives the pressing roller Adjust as ex...

Страница 197: ...obetoP 401 pins1 3 5 and7 sequentially The voltage will switch between 40V and 0V Testalsothemotorcurrentbysettingthesecondprobetoeachpin 16 of IC 403 and IC 405 The curve traced by the oscilloscope s...

Страница 198: ...ftheadjustmenthaveproducedthedesired result Checktheadjustmentoftheribbonreturnroller seechapter24 3 Do not change the adjustment before you have performed all other checks mentioned above Checkthatth...

Страница 199: ...ted Test that current is supplied through both motor windings by means of an oscilloscope whose one probe is to be connected to GND4andtheotherprobetoP 400 pins1 3 5 and7 sequentially The voltage shou...

Страница 200: ...on IC 2 or IC 3 on the Connection Board Check that the headlift sensor on the ribbon save mechanism is clean inworkingconditionandproperlyconnectedtoP 4onthe Connection Board The 5V voltage on P 4 pin...

Страница 201: ...are OK and that there is no obstruction of the face material coming out of the printer e g a incorrectly fitted tear off edge or paper cutter In case of fan folded face material from an external supp...

Страница 202: ...sor s emitter are adjustable see chapter 11 3 If still no reaction the sensor is probably defective Has the clock calendar been set IfTIME andDATE instructionsgivestrangeresults ortimeisnot updated at...

Страница 203: ...eignobjectsobstructthecuttingoperation Cleanasdescribed inchapter12 3 Ifthecutterisstoppedfromcompletingacutting operation the motor may be damaged by overload MeasurethevoltageP24betweenpin1 24V andp...

Страница 204: ...sbatterybackuporanempty battery If you can communicate with the printer via a PC you could see whatfilesarestoredinthememorycardandthesizeofthemwith the aid of UBI Fingerprint commands FILES rom non D...

Страница 205: ...ck that the sensors are free from dust and foreign objects so they can read the gaps in the code discs of the ribbon unwind and paper supply units Check that the ribbon low sensor is connected to P 60...

Страница 206: ...ingdatahavetheappearancedescribedin chapter 20 Verify also that oscillator Y 1 on the Serial Interface Board is running First see No communication general chapter 26 2 In case of uart2 RS 422 or RS 48...

Страница 207: ...f a SETSTDIO statement see UBI Fingerprint Reference Manual Check that the supply voltage 5V is present Verify by means of an oscilloscope that all signals during receivingandtransmittingdatahavetheap...

Страница 208: ...roceed to next menu Legend UBI SHELL SEL APPLICATION SEL APPLICATION Direct Protocol SEL APPLICATION optional applic SEL APPL rom LINE_ALY PRG HU PP SET HD PP VIEW UBI Shell for EasyCoder Printers w o...

Страница 209: ...IVER Enter ENTER UBI SHELL 5 sec v 4 0 ENTER UBI SHELL 4 sec v 4 0 ENTER UBI SHELL 3 sec v 4 0 ENTER UBI SHELL 2 sec v 4 0 ENTER UBI SHELL 1 sec v 4 0 Last selected application is started Default UBI...

Страница 210: ...FROM HOST ENABLE U1 XO TO HOST ENABLE CONTRAST 5 UART1 NEW LINE CR LF LENGTH 1200 MEDIA TYPE LABEL w GAPS PAPER TYPE UBI HP 20 STOPADJ 0 START ADJ 0 HD PP HU PP Menus in this example show default set...

Страница 211: ...EDADJ FEEDADJ STARTADJ STARTADJ 0 FEEDADJ STOPADJ STOPADJ 0 SETUP SERVICE Enter Enter If an optional interface board with at least one serial channel is fitted communication setup menus for each of th...

Страница 212: ...ER TYPE designation designation PAPER TYPE designation PRINT DEFS TESTPRINT PRINT PRINT C EXIT ULTRA HIGH HIGH SERVICE PERFORMANCE PERFORMANCE NORMAL SERVICE MEMORY ALLOC MEMORY ALLOC IMAGE BUFF SIZE...

Страница 213: ...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 r...

Страница 214: ...UBI EasyCoder 501 Service Manual 214 NOTES...

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