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LT408 Service Manual A

1. NOTE Figure 7 2 shows screw 1 and bearing clamp 2 as being removed for display purposes only It is not necessary to remove those components for roller replacment 3 Withdraw bearing 3 from chassis 4 and spacer 5 from defective roller 6 consecutively NOTE Ignore removal of spacer 5 if that component is not present on the roller being replaced 4 Withdraw defective roller 6 from chassis 4 and insert replacement roller 6 in its place NOTE To remove the roller move it toward its free end and then lift upward Insert spacer 5 onto the free end of replacement roller 6 followed by bearing 3 Rotate bearing clamp 2 onto bearing 3 and secure using screw 1 Repeat steps 2 through 6 for all other roller assemblies that require replacement Restore power and test print Oo NAO Figure 7 2 Roller Replacement Lt408 Service Manual 7 3 PN 9001153A Unit 7 Replacement Procedures DRIVE TRAIN BELT GEAR REPLACEMENT Following long periods of use a belt may become worn or excessively stretched beyond the printer s adjustment ability and require replacement It is at this time that the gears pulleys and their bearings should be inspected for damage or wear NOTE Figures 7 3a and 7 3b show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedur
2. Unit 5 Printer Configuration PARALLEL INTERFACE MODE TABLE 5 3 Is a transitional screen that allows the operator to choose a given direction within the menu map ONLINE MODE Ea a di LU Is the premier screen of the Interface Mode The Interface Mode allows the parameters to be set for the printer to communicate with a host and vise versa INTERFACE MODE ZE ke ft D Select the YES option if an interface board for bi directional communication will be configured INTERFACE BOARD SETTING YES NO Determines whether the print data code requires deletion Hexadecimal graphic data will not be deleted Select YES to delete all carriage return CR and line feed LF IGNORE CRILF commands in the data stream including graphics and 2D bar codes YES NO This feature is used primarily to maintain compatibility with earlier models of SATO printers Allows setting of bi directional communication protocol PROTOCOL STATUS4 STATUS5 Allows the selection of the receive buffer type Select MULTI for multi item buffer and 1ITEM for a single item buffer RECEIVE BUFFER MULTI 1ITEM 4 Allows item number check to be enabled or disabled Will only appear when STATUSS is set for the protocol ITEM NO CHECK ENABLE DISABLE i F Allows BCC Check to be enabled or disabled Will only appear if STATUS5 is set for protocol BCC CHECK ENABLE DISABLE db Allows setting for ACK width of the IEEE1284 interface
3. ONLINE QTY 000000 Sy OFFLINE QTY 000000 ONLINE MODE ga TO ADVANCED MODE ia tr DARKNESS RANGE A B Lt408 Service Manual Print offset refers to the vertical and horizontal shifting of the entire print area relative to the label and the print start position The movement is incremented by dots in the positive or negative direction Positive and negative vertical adjustment is toward and away from the print head respectively Positive and negative horizontal adjustment is to the left or right of the reference point respectively This menu allows for the printer to be configured to print zeros with or without a diagonal slash through them This will apply to all printer resident font types This setting determines whether each character occupies a designated space fixed regardless of the characters width or if the character s space is representative of the character s width proportional Proportional is contemporarily preferred Applies only to printer resident fonts ADVANCED MODE TABLE 5 2 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As the label job prints the display indicates the number of labels remaining
4. Weight 21 38 Pounds 9 7 Kg Input Voltage 100 240 Volts AC 10 50 60 Hertz 5 ENVIRONMENTAL Operating Temperature 4 to 104 F 5 to 40 C Storage Temperature 4 to 140 F 20 to 60 C Storage Humidity 15 to 85 RH Non Condensing Operating Humidity 15 to 85 RH Non Condensing FRAM 32 Kilobytes Receive Buffer 2 95 Megabytes COMMAND Standard SATO Barcode Printer Language SBPL Intelligent Command INTERFACE MODULES a RS232C 9600 to 57 600 bps RS422 485 9600 to 57600 bps REGULATORY Radiant Noise VCCI Class B FCC Class B EN 55022 Class B Efficiency International Energy Star Lt408 Service Manual 2 2 PN 9001153A Unit 2 Technical Data Maximum Print Width 4 10 Inches 104 mm Maximum Print Length 49 17 Inches 1249 mm MEDIA Width Media Width 1 00 to 4 41 Inches 25 4 112 mm Media Width with Backing Paper 1 125 to 4 53 Inches 28 6 115 mm Length Pitch Media Length 0 59 to 49 29 Inches 15 1252 mm 9 Media Length with Backing Paper 0 71 to 49 41 Inches 18 1255 mm Type Roll yP Eye Mark or Gap 0 003 to 0 010 Inches 0 08 0 26 mm RIBBON Width Minimum 0 98 Inches 25 mm Maximum 4 37 Inches 111 mm wound Lt408 Service Manual 2 3 PN 9001153A Unit 2 Technical Data CHARACTER FONT CAPABILITIES MATRIX FONTS e ZIV 5 dots W x 9 dots H Helvetica 17 dots W x 17 dots H Univers Condensed Bold 24 dots W x 24 dots H Univers Condensed Bold
5. An optional assembly that may be used to provide an additional function RFID tags which use batteries as partial or complete source of power which are further differentiated by separating them into those with replaceable batteries and those which have the batteries inside a sealed unit Also referred to as Utilized Active Tags The band of sparks between to closely placed electrodes when current leaps the gap from one to the other American Standard Code for Information Interchange The most common format for text files in computers and on the internet In a ASCII file each alphabetic numeric or special character is represented with a 7 bit binary number a string of seven Os or 1s 128 possible characters are defined The fitting together of parts components or sub assemblies to form a complete unit A type of two way communication that occurs with a time delay allowing participants to respond at their own convenience This communication allows characters to be sent at irregular intervals by preceding each character with a start bit and following it with a stop bit The timing of the transmission is not determined by the timing of the previous character A sound loud enough to be heard A grouping of anything The number of signaling elements that occur each second or stated differently the number of changes to the transmission media per second in a modulated signal At slow speeds one bit of information signalin
6. Clear line in print indicates the ribbon was wrinkled during printing Compare this scale on each side to ensure the print is evenly spaced vertically Figure 6 5 Sample Test Label Lt408 Service Manual 6 14 PN 9001153A Lt408 Service Manual REPLACEMENT PROCEDURES Print Head Roller Drive Train Belt Gear Drive Motor Rewind Spindle Belt Gear Supply Spindle Torque Limiter Fan Main Board Secondary Board Power Board Panel LCD Board Label Sensor Head Open Sensor Cover Open Sensor Fuse 7 1 PN 9001153A Unit 7 Replacement Procedures REPLACEMENT PROCEDURES This unit provides in depth instruction on all primary component and assembly replacement in addition to most secondary components Use the text in conjunction with their accompanied graphics to ensure complete comprehension throughout the process Especially observe all cautionary or warning notations PRINT HEAD REPLACEMENT If the print head becomes damaged or worn it can be easily removed and replaced without having to make critical adjustments Before replacing the print head check the head counter values by printing a test pattern Instructions relating to the Head Counter may be found in the Configuration unit of this manual 1 2 3 Switch off the printer and observe applicable lockout tagout procedures Open the front cover and the print head release lever Pull outward on print head release knob 1 Figure 7 1 to release
7. End of print PREND 1 2 3 4 Paper end Ribbon end operation End of print PREND 1 2 3 4 Paper end Ribbon end operation End of print 2 PREND 3 4 Paper end DT on Changing ribbon Ribbon end Machine ee TT T___ MACHINE ERROR Figure 3 10d Lt408 Service Manual Head open Head close Print operation End of 1_ print PREND 2 Paper end Ribbon end Machine error 3 17 PN 9001153A Unit 3 Interface Specifications Motion 1 Backfeed after print Motion 2 Backfeed before print Figure 3 11 Operation Mode Flow Chart Lt408 Service Manual 3 18 PN 9001153A ACCESSORIES INSTALLATION e Interface Installation e Real Time Clock Lt408 Service Manual Unit 4 Accessories Installation ACCESSORIES INSTALLATION This unit covers all of printer accessory installation procedures INTERFACE INSTALLATION The diagram below displays the physical installation of interface hardware The interface type chosen determines the applicable slot in the printer for installation Figure 4 1 Interface Installation Lt408 Service Manual 4 2 PN 9001153A Unit 4 Accessories Installation REAL TIME CLOCK INSTALLATION The real time clock chip allows the date and time to be maintained in the local printer rather than using the system clock It consists of a special clock chip that replaces the EEPROM chip on the main circuit board To install the real time clock
8. Low 0 0 to 0 4V Issuing Reissuing EXT signal Enable Disable in the Advanced Mode Switching EXT signal Switching jumper connector to enable 24V output by 24V and 27V power supplies When using 24V power supply Short IN 24V side by jumper connector When using 27V power supply Short IN 27V side by jumper connector Signal Types Type Print end signal PREND is low before printing labels high after completion of print and low 20 miliseconds later Type Il Print end signal PREND is high before printing labels low after completion of print and high 20 miliseconds later Type Ill Print end signal PREND is low before printing labels high from start to end of print and low upon completion of print Type IV Print end signal PREND is high before printing labels low from start to end of print and high upon completion of print 14 PIN CONNECTOR ASSIGNMENTS DIRECTION LEVEL MAX CURRENT Low Print Start PRIN Input High high impedance Low 15mAor more OV Print End PREND Output 5V 400mA Reprint PRIN2 Input High high impedance Low 15mAor more OV SIGNAL NAME Paper End Ground Ribbon End Machine Error Online 5V 400mA Ribbon Near End 5V 400mA Output Output 24V O1 lt a Re ET Re EH maz Ro o EE O Le ca FG II A Choose from Type to Type IV for PREND the output signal for Pin 6 Lt408 Serv
9. PROTOCOL Initiates the return to printer setting defaults DEFAULT PRINTER SETTING YES Confirm initialization of protocol code defaults DEFAULT ALT PROTOCOL YES Confirms the completion of printer default settings DEFAULT SETTING COMPLETED PLEASE POWER OFF Lt408 Service Manual 5 37 PN 9001153A Unit 5 Printer Configuration TEST PRINT MODE TABLE 5 16 Is the initial screen of the Test Print Mode TEST PRINT MODE Configuration The printer s configuration settings CONFIGURATION Barcode The printer s installed barcodes BARCODE HEAD CHECK Head Check A pattern to check print head elements Font The contents of the installed fonts Factory A factory test label will be printed This screen only appears if Configuration Barcode or Head Check was chosen in the previous menu The increments of measure are 1cm TEST PRINT SIZE 10mm For factory test prints this screen appears instead of the previous screen for setting print size TEST PRINT SIZE o i Large 10cm and small 4cm print sizes are the only two options LARGE SMALL Pressing ENTER will indicate continuous test printing Pressing ENTER again will suspend printing O If the external signal is enabled the test print must be initiated with a print start signal via TEST PRINT the EXT port PRESS ENTER KEY HEX DUMP MODE TABLE 5 17 Displays the operational status of the printer The ONLINE status is displayed on the top line an
10. Parallel Interface Setup Mode 5 5 Serial Interface Setup Mode 5 6 LAN Interface Setup Mode 5 7 USB Interface Setup Mode 5 8 Centronics Interface Setup Mode 5 9 Service Mode 5 10 Factory Mode 5 11 Work Shift Mode 5 12 Hidden Mode 5 13 Download Mode 5 14 Boot Download Mode 5 15 Print Cancel Mode 5 16 Default Settings Mode 5 17 Test Print Mode 5 18 Hex Dump Mode 5 19 Menu Definition Tables 5 20 TROUBLESHOOTING Error Signal Troubleshooting 6 2 Warning Signal Traoubleshooting 6 5 Troubleshooting Table 6 6 Interface Troubleshooting 6 8 Parallel Interface 6 8 RS232 Serial Interface 6 8 Universal Serial Bus USB Interface 6 8 LAN Ethernet Interface 6 9 Wireless LAN Interface 6 9 Centronics Interface 6 9 Performance Testing 6 10 Test Print Troubleshooting 6 12 Hex Dump Mode 6 12 Test Label Printing 6 13 Sample Test Label 6 14 Lt408 Service Manual PN 9001153A REPLACEMENT PROCEDURES Replacement Procedures 1 2 Print Head 1 2 Roller 7 3 Drive Train Belt Gear 1 4 Drive Motor 1 1 Ribbon Rewind Spindle Gear Belt 7 9 Ribbon Supply Spindle amp Torque Limiter 7 13 Fan 7 16 Main Circuit Board 7 17 Secondary Board 7 18 Power Board 7 20 Panel amp LCD Board 1 22 Label Sensor 1 24 Head Open Sensor 7 25 Cover Open Sensor 7 27 Fuse 1 28 ADJUSTMENT PROCEDURES Adjustment Procedures 8 2 Print Head Alignment 8 2 Print Head Pressure 8 3 Print Head Balance 8 4 Timing Belt Tension 8 5 Ribbon Guide 8 6 Label Sensor Positioning 8 7
11. data to be printed Repeat the Hex Dump process to print the other types of data if RECEIVE DATA Internal Data is to print the settings for the internal buffer RECEIVE BUFFER INTERNAL DATA Lt408 Service Manual 5 39 PN 9001153A Lt408 Service Manua TROUBLESHOOTING Error Signal Troubleshooting e Warning Signal Troubleshooting e Troubleshooting Table Interface Troubleshooting e Performance Testing e Test Print Modes 6 1 PN 9001153A Unit 6 Troubleshooting ERROR SIGNAL TROUBLESHOOTING This chapter identifies the printer s various LCD error signals and their relative audible alarms as well as their probable causes and remedies for problem resolution ERROR DISPLAYS 01 POWER Machine Error 02 Flash ROM Error 03 Parity Error 04 Overrun Error 05 Framing Error 06 Buffer Overflow Error 07 Head Open Error 08 Paper End Error Lt408 Service Manual ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON PARITY ERROR OVERRUN ERROR FRAMING ERROR BUFFER OVER oS UL HEAD OPEN PAPER END LED ERROR CONDITION LCD DISPLAY DESCRIPTION On Ensure all wiring harnesses are properly connected Replace main circui
12. the Service Mode and the Factory Mode The Factory Mode permits counter reset of various printer components Use the SERVICE MODE printer s operator panel to select and reset those features FACTORY MODE MAINTENANCE MODE The Service Mode allows the programming of various dimensional settings sensor thresholds and language options Enables the printer s internal counter to be initiated and reset COUNTER CLEAR DISPENSE Allows view of the recorded linear meters of printed media by the printer s internal counters INDICATION DISPENSE Enables view of the printer s internal life counter LIFE COUNTER XX M Displays values for the head counter HEAD COUNTER X X M X X M X X M This printer does not have a cutter assembly thusly this screen should be ignored CUT COUNTER Lt408 Service Manual 5 33 PN 9001153A Unit 5 Printer Configuration FACTORY MODE TABLE 5 9 This printer does not have a dispenser assembly thusly this screen should be ignored DISPENSE COUNTER XX M Enables the printer s serial number to be recorded within its memory SERIAL NO S N XXXXXXXX Enables the revision number of the main circuit board to be recorded within its memory MAIN PCB REVISION REV XX dh Enables the revision number of the interface board to be recorded within its memory INTERFACE BOARD REVISION REV XX dif Initiates test printing If the YES option is select from the p
13. 30360 DDK or equivalent Cable 1 5 meter or less Signal Level High 2 4V to 5 0V Low OV to 0 4V Data Stream lt ESC gt A Job 1 lt ESC gt Z lt ESC gt A Job n lt ESC gt Z Figure 3 3 Parallel Connector Pin Assignments PIN ASSIGNMENTS SIGNAL DIRECTION DIRECTION Strobe To Printer Reference Data 1 Reference Data 2 Reference Data 3 Reference Data 4 Reference Data 5 Reference Data 6 Reference Data 7 Reference Data 8 Reference K Reference Busy Reference Ptr Error Reference Select From Host AutoFD To Host Not Used Not Used Not Used Selectin1 From Host To Printer To Printer To Printer To Printer To Printer To Printer To Printer To Printer To Host To Host To Host To Host To Host gt O Not Used Logic Gnd F 5V z 24k ohm To Host 1 Signals required for ieee 1284 mode Frame Gnd i Rem Rea a e oo O Io Ea Rca e EA Ea co os i Lt408 Service Manual 3 6 PN 9001153A Unit 3 Interface Specifications UNIVERSAL SERIAL BUS USB The Universal Serial Bus USB interface is a Plug In Interface Module that can be installed by the user It requires a driver shipped with each printer that has the interface installed that must be loaded onto the PC and configured to support USB peripherals using Windows 2000 or above Details for loading the USB driver are contained in the USB Interface Manual that is shipped with each printer with a USB Optional inte
14. 7 8 Remove five screws 2 securing defective main board 1 to the pinter Lift away defective main board 1 Secure replacement main board 1 to the printer using five screws 2 Connect all relative wiring harnesses previously disconnected NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection 7 Secure external cover to the printer restore power factory reset and test print to ensure proper function oS oS Figure 7 8 Main Board Replacement Lt408 Service Manual 7 17 PN 9001153A Unit 7 Replacement Procedures SECONDARY BOARD REPLACEMENT Circuit boards generally have long lives due to the lack of moving parts Generally if a circuit board becomes defective it is contributable to a negative external condition If it is determined that the circuit board has become defective search the printer over for possible visual factors that may have led to the damage NOTE Figures 7 9a through 7 9b show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal and installation 3 Disconnect all wiring harnesses from the front side of de
15. OA Font OCR A 15 dots W x 22 dots H OB Font OCR B 20 dots W x 24 dots H AUTO SMOOTHING FONTS XB 48 dots W x 48 dots H Univers Condensed Bold XL 48 dots W x 48 dots H Sans Serif VECTOR FONT Proportional or Fixed Spacing Font Size 50 x 50 dots to 999 x 999 dots Helvetica 10 Font Variations AGFA RASTER FONTS A Font B Font DOWNLOADABLE FONTS CG Times 8 to 72 pt CG Triumvirate 8 to 72 pt N A CHARACTER CONTROL Expansion up to 12 x in either the X or Y coordinates Character Pitch Control Line Space Control Journal Print Facility 0 90 180 and 270 Degree Rotation Lt408 Service Manual 2 4 PN 9001153A Unit 2 Technical Data BAR CODE CAPABILTIES UPC A E JAN 8 13 EAN 8 13 Code 39 Code 93 Code 128 Interleaved 2 of 5 Linear Bar Codes Industrial 2 of 5 Matrix 2 of 5 Bookland RSS 14 MSI POSTNET UCC EAN 128 NW 7 Codabar QR Code Data Matrix Two Dimemsional Maxi Code PDF417 Synthetic Symbol Lt408 Service Manual 2 5 PN 9001153A INTERFACE Lt408 Service Manual SPECIFICATIONS RS232C High Speed Serial Interface e EEE1284 Parallel Interface e Universal Serial Bus USB Adapter e Local Area Network LAN Ethernet e 802 11b Wireless e Receive Buffer all interfaces e ACK NAK Protocol all interfaces e Status5 Return all interfaces External Signal Interface 3 1 PN 9001153A Unit 3 Interface Specifications INTERFACE SPECIFICATIONS This unit presents
16. PRINT CANCEL MODE TABLE 5 14 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to A OFFLINE whenever the printer is switched offline by pressing the LINE key When a p print job is received the quantity line will indicate the number of labels to be printed As QTY 000000 the label job prints the display indicates the number of labels remaining to be printed ONLINE Lt408 Service Manual 5 36 PN 9001153A Unit 5 Printer Configuration PRINT CANCEL MODE TABLE 5 14 Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to si ONLINE whenever the printer is switched online by pressing the LINE key OFFLINE QTY 000000 Print data that has been previously received can be cleared If YES is selected the print data will be deleted and then the printer will go offline If the NO option is selected the Sg printer will go offline without deleting data CANCEL PRINT JOB YES NO This screen indicates that the received data has been deleted Will display for 3 seconds and then the printer will go offline Sy CANCEL PRINT JOB COMPLETED DEFAULT SETTINGS MODE TABLE 5 15 Allows printer settings and or protocols to be returned to he factory default settings DEFAULT MODE PRINTER SETTING ALT
17. The display will appear when the interface is present and one item 1ITEM is selected as a receive buffer IEEE1284 ACK SIGNAL XXX US T Lt408 Service Manual 5 24 PN 9001153A Unit 5 Printer Configuration PARALLEL INTERFACE MODE TABLE 5 3 Allows 1 byte command such as CAN and DLE code to be deleted Will only appear when the communication protocol is STATUS4 IGNORE CAN DLE YES NO SERIAL INTERFACE MODE TABLE 5 4 a ae DESCRIPTION Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ZA ONLINE QTY 000000 Sy OFFLINE QTY 000000 ONLINE MODE i y INTERFACE MODE Za K vO INTERFACE BOARD SETTING YES NO IGNORE CR LF YES NO RS 232C 422 485 CONFIGURATION DIPSW LCD Lt408 Service Manual OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As the label job prints the display indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ONLINE whenever the printer is switched online by pressing the LINE key Is a transitional screen that allows the operator to choose a giv
18. are oriented as shown in Figure 7 5d when remantling Insert the assembly into the printer s center wall 16 so that bearing 17 is properly nested Apply pulley 13 Figure 7 5c tension roller 14 and pulley 12 as required Secure using the applicable snap ring 11 NOTE Ensure the two pulleys and tension roller is oriented as shown in Figure 7 5c when remantling PN 9001153A Unit 7 Replacement Procedures 22 Properly tension timing belt 10 with tension roller 14 and secure using set screw 9 CAUTION A PROPERLY TENSIONED BELT WILL BE JUST ENOUGH TO PREVENT SLIPPAGE AN OVERLY TENSIONED BELT WILL EXCESSIVELY INCREASE DRAG ON THEIR PULLEYS AND INCREASE COMPONENT WEAR 23 Apply bearing 8 Figure 7 5b to bearing bracket 7 and secure to printer using screws 6 and 5 NOTE Ensure the bracket is oriented as shown in Figure 7 5b when remantling 24 Secure motor bracket 4 to the printer using four screws 3 25 Secure main board 1 Figure 7 5a to the printer using five screws 2 and reconnect all wiring harnesses NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for reconnection 26 Secure the exterior cover to the printer restore power and test print NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover installation Lt408 Service Manual 7 12 PN 9001153A Unit 7 Replacement Procedures
19. movement of the object to which it is attached An item that has recessed grooves or elevated areas on its surface to increase manual grip Print media that has been used or printed upon that has adhesive on one side Local Area Network A computer network limited to the immediate area consequently capable of transmitting data at a very fast rate Usually the computer is limited to the same building or floor of a building as the periphery device An object that is designed to be moved from one position to another for the purpose of preventing or allowing the opening of another object Movement to the left or to the right horizontal movement Liquid Crystal Display A display technology involving optical glass panels whose opacity can be controlled by electrical signals A liquid crystal surface is sandwiched between two polarizing panels and when voltage is applied to certain areas the crystal darkens A light source behind the panel transmits through the transparent crystals and is mostly blocked by the darkened ones Light Emitting Diode A semiconductor light source that emits visible light or invisible infrared radiation The color of the emitted light depends on the chemical composition of the semiconducting material used An object that turns on a fixed point usually to engage or disengage a latch A film or sheet placed onto and adhered flatly over another material Relative to RFID the functional period with
20. of communication protocol PROTOCOL STATUS4 STATUS5 Allows item number check to be enabled or disabled Will only appear when STATUSS is set for the protocol ITEM NO CHECK ENABLE DISABLE i F Allows BCC Check to be enabled or disabled Will only appear if STATUS5 is set for protocol BCC CHECK ENABLE DISABLE i b Allows 1 byte command such as CAN and DLE code to be deleted Will only appear when the communication protocol is STATUS4 IGNORE CAN DLE YES NO Lt408 Service Manual 5 29 PN 9001153A Unit 5 Printer Configuration CENTRONICS INTERFACE MODE TABLE 5 7 i ONLINE QTY 000000 Sy OFFLINE QTY 000000 ONLINE MODE TO INTERFACE MODE Za g yi O INTERFACE BOARD SETTING YES NO IGNORE CR LF YES NO IGNORE CAN DLE YES NO RECEIVE BUFFER MULTI 1ITEM Lt408 Service Manual Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As the label job prints the display indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be change
21. oriented beneath the wiring harness and with its continuous side facing outward Refer to Figure 7 7 6 Secure the assembly using two screws 1 connects its relative wiring harness NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection 7 Secure the exterior cover to the printer restore power and test print to ensure proper function Figure 7 7 Fan Replacement Lt408 Service Manual 7 16 PN 9001153A Unit 7 Replacement Procedures MAIN BOARD REPLACEMENT The main circuit board is the primary brain center for all printer activities Circuit boards generally have long lives due to the lack of moving parts Generally if a circuit board becomes defective it is contributable to a negative external condition If it is determined that the circuit board has become defective search the printer over for possible visual factors that may have led to the damage NOTE Figure 7 8 shows the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal and installation Disconnect all wiring harnesses from the front side of defective main board 1 Figure
22. print ribbon is not spread smoothly over the print head when it makes contact with the media print voids will occur at the point of the ribbon fold Typically this is the result of the axis of one of the following not being perfectly parallel ribbon spindle ribbon roller print head or ribbon guide The purpose of the adjustable ribbon guide is to compensate for the axis deviations of the other three By adjusting the ribbon guide proportionally to the degree of deviation the ribbon spreads smoothly as it travels from the ribbon supply spindle to the guide and beyond Ribbon guide adjustment is a trial and error activity that requires the pause of printing unlatching of the print head adjusting the guide relatching the print head and printing once again Several labels must be printed following each adjustment to determine if the adjustment was effective The ribbon guide is secured to the face of the print assembly by a screw on each end Before adjusting the guide visually inspect that its axis is parallel with that of the print assembly If not adjust accordingly ensure the set screws are secure and once again commence printing By starting in a neutral position either end may be adjusted vertically as necessary to remedy the wrinkling problem Print Assembly Alignment Plate Figure 8 5 Ribbon Guide Adjustment Lt408 Service Manual 8 6 PN 9001153A Unit 8 Adjustment Procedures LABEL SENSOR POSITIONING The label
23. securing motor bracket 4 to the printer 6 Loosen tension roller set screw 5 to release belt tension 7 Remove two screws 6 securing defective motor 7 to motor bracket 4 Lift away defective motor 7 NOTE The two screws securing the motor are located on the timing belt side of the motor bracket 8 Apply replacement motor 7 to motor bracket 4 with timing belt 8 wrapping around its spindle Lt408 Service Manual 1 7 PN 9001153A 10 11 12 Unit 7 Replacement Procedures Allow tension to be applied to timing belt 8 and tighten tension roller set screw 5 CAUTION A PROPERLY TENSIONED BELT WILL BE JUST ENOUGH TO PREVENT SLIPPAGE AN OVERLY TENSIONED BELT WILL EXCESSIVELY INCREASE DRAG ON THEIR PULLEYS AND INCREASE COMPONENT WEAR Secure motor bracket 4 to the printer using four screws 3 Secure main board 1 Figure 7 4a to the printer using five screws 2 and connect all wiring harnesses NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for reconnection Secure the exterior cover to the printer restore power and test print NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover installation Figure 7 4b Drive Motor Replacement Lt408 Service Manual 7 8 PN 9001153A Unit 7 Replacement Procedures RIBBON REWIND SPINDLE GEAR BELT REPLACEMENT Following long periods of use a belt may be
24. sensor assembly provides a mounting apparatus for the eye mark gap and paper end sensors Position adjustment of the label sensor is not required when using standard label media When non standard media is used place a section of the media on the media ramp oriented as if loaded for printing Manually grasp the sensor assembly and move it laterally so that the sensor indicators embossed in its side are aligned with the reference marks on the media sensor positioning may also be achieved by measuring from the printers center frame outward to a specified distance for sensor reference mark alignment Label Sensor Print Head Latch Adjustment Knob Figure 8 6 Label Sensor Positioning Lt408 Service Manual 8 7 PN 9001153A Unit 8 Adjustment Procedures EYE MARK SENSOR SENSITIVITY ADJUSTMENT VR1 This sensor adjustment regulates penetrating ability for media referencing Penetration modification is performed via a potentiometer that is part of the potentiometer complex integrated to the main circuit board accessible behind the left housing cover To establish penetration upper and lower voltage levels must be set and the difference between the two voltage levels should be maximized for optimum performance For proper performance the sensor must have a voltage difference greater than 0 8V between high and low If performing the following procedure does not result in acceptable voltage levels clean the window over the sensor s e
25. the feed distance less than 30mm to avoid detection of the ribbon end by accident Allows the printer to use either a NORMAL or FAST web acceleration Large heavy label rolls should use the NORMAL option while smaller lighter rolls can use the FAST option Allows selection of output mode options MODE1 outputs signal in the status of existence non existence for the number of remaining labels to be printed MODE2 outputs signal in the status of online offline Allows the user to assign a method a command priority Where programming instructions conflict the printer will allow this assignment to take priority This priority assignment affects the settings for print darkness print speed start point correction operation mode print method and sensor types Allows the password function to enabled ON or disabled OFF This screen will appear if the ON option was selected in the previous screen Use the arrow keys to scroll and enter a four digit password Determines whether or not the printer will be compatible with a previous printer model Enables the length of the label stock installed to be manually entered 5 32 PN 9001153A Unit 5 Printer Configuration SERVICE MODE TABLE 5 8 When enabled ON the printer s status receiving editing printing will be displayed as an icon Disabled OFF conversely does not TRACE MODE ON FACTORY MODE TABLE 5 9 The Maintenance Mode is divided into two sections
26. the panel board ATTENTION Before assuming the sensor defective and replacing the assembly ensure that the condition is not the result of debris buildup Thoroughly clean the sensor before replacing it NOTE Figures 7 5a through 7 5d show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure Switch off the printer and follow applicable lockout tagout procedures Remove two screws 1 figure 7 14 securing cover 2 to bracket 3 Lift away cover 2 Remove two screws 4 securing defective sensor 5 to the printer Disconnect the relative wiring harness from defective sensor 5 and connect to replacement sensor 5 Secure replacement sensor 5 to the printer using two screws 4 NOTE A properly installed sensor will be oriented so that its button is facing outward 6 Apply cover 2 to bracket 3 and secure using two screws 1 o pos NOTE A properly installed cover will be mounted so that tab A rests against the back side of tab B CAUTION WHEN APPLYING THE SENSOR COVER TO THE PRINTER ENSURE THE SENSOR S WIRING HARNESS IS SAFELY TUCKED AWAY SO THE COVER DOES NOT PINCH THE WIRES Figure 7 14 Cover Open Sensor Replacement Lt408 Service Manual 7 27 PN 9001153A Unit 7 Replacement Procedures FUSE REPLACEMENT Fuse access may be gained externally without having to remove covers etc The fuse is located on the printer s un
27. the print head is unlatched then remove one screw 5 securing defective sensor 6 to the printer Disconnect the relative wiring harness from defective sensor 6 and connect replacement sensor 6 Secure replacement sensor 6 to the printer using one screw 5 NOTE A properly installed sensor will be oriented so that its wiring harness is facing upward while its mounting flange rests against the printer s center frame Test the installation by attempting to latch the print head Secure motor bracket 4 to the printer using four screws 3 Secure main board 1 Figure 7 13a to the printer using five screws 2 and reconnect all relative wiring harnesses Connect all relative wiring harnesses previously disconnected NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection Secure external cover to the printer restore power and test print to ensure proper function Figure 7 13b Head Open Sensor Replacement Lt408 Service Manual 7 26 PN 9001153A Unit 7 Replacement Procedures COVER OPEN SENSOR REPLACMENT The cover open sensor disables the printer if the cover is opened while in operation The sensor is of an on off variety that is reverse wired so as to send a signal to the processor when its button is no longer depressed In this event the sensor sends a signal to the processor which in turn relays an error signal to
28. the printer interface types and their specifications These specifications include detailed information to assist in the selection of the most appropriate method for the printer to interface with the host The five acceptable interface methods are e RS232C High Speed Serial e IEEE1284 Parallel e Universal Serial Bus USB e Local Area network LAN Ethernet e 802 11b Wireless Following the selection of the desired interface proceed to the next unit for instructions on how to Configure the printer for that interface type WARNING NEVER CONNECT OR DISCONNECT INTERFACE CABLES OR USE A SWITCH BOX WITH POWER APPLIED TO EITHER THE HOST OR THE PRINTER THIS MAY CAUSE DAMAGE TO THE INTERFACE CIRCUITRY IN THE PRINTER HOST AND IS NOT COVERED BY WARRANTY NOTE Some hosts monitor the Request To Send RTS signal pin 4 of 25 to determine if the printer is ready to receive data Since the printer does not generate this signal the RTS line must be held true high in order to allow communication This can be performed by connecting the RTS pin to the Clear To Send CTS signal pin 5 of 25 Screw x2 Pi n Pa Figure 3 1 Interface Installation Lt408 Service Manual 3 2 PN 9001153A Unit 3 Interface Specifications RS232C HIGH SPEED SERIAL INTERFACE This High Speed Serial Interface is a Plug In Interface Module that can be installed in the printer by the user INTERFACE SPECIFICATIONS Asynchronous ASCII Half duplex communi
29. to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ONLINE whenever the printer is switched online by pressing the LINE key Is a transitional screen that allows the operator to choose a given direction within the menu map Is the entrance screen of the Advanced Mode The Advanced Mode is provided to make basic printer operational adjustments Typically once these adjustments or settings have been made they will not require additional address unless a new job is downloaded Allows the darkness print density selection of the printed image Has two selection options 5 21 PN 9001153A Unit 5 Printer Configuration ADVANCED MODE TABLE 5 2 Allows the choice of continuous feed or dispenser operation PRINTER TYPE DISPENSER CONTINUOUS Allows the determination of whether a backfeed motion will be applied If so the selection of before or after the printing of each label BACKFEED MOTION Allows the printer to be switched to operate in the thermal transfer or direct thermal mode as desired PRINT METHOD TRANSFER DIRECT 4 bh Allows the pitch sensor to be activated or deactivated as circumstances dictate PITCH SENSOR ENABLE DISABLE i b Allows the pitch sensor mode to be selected relative to the media type being used SENSOR TYPE I MARK GAP This feature determine
30. to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Displayed if password feature is enabled x ONLINE QTY 000000 ADVANCED MODE Fg OFFLINE QTY 000000 LINE Cancels print job ERRE ONLINE MODE Ia Print darkness SELECT DUMP DATA RECEIVE DATA RECEIVE BUFFER INTERNAL DATA Internal Data Receive Data Receive Buffer ENTER ENTER ENTER Hex Dump is printed Hex Dump is printed Figure 5 17 Hex Dump Mode Lt408 Service Manual 5 19 PN 9001153A Unit 5 Printer Configuration MENU DEFINITION TABLES USER MODE TABLE 5 1 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As QTY 000000 the label job prints the display indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ONLINE whenever the printer is switched online by pressing the LINE key OFFLINE QTY 000000 Is a transitional screen that allow
31. 00 4800 9600 19200 s 9600 19200 38400 57600 ___ CANCEL ENTER CANCEL ENTER PARITY BIT NONE ODD EVEN iso PROTOCOL Eanes STATUSS READY BUSY ENTER XON OFF STATUS3 STOP BIT 1BIT 2BIT CANCEL Ready Busy X On X Off ENTER NC Status3 LI Status4 ENTER CANCEL CHARACTER BIT ENTER 7BIT 8BIT ITEM NO CHECK IGNORE CR LF ENABLE DISABLE i P BCC CHECK ANCEL ENTER ENABLE DISABLE ENTER Figure 5 4 Serial Interface Setup Mode Lt408 Service Manual 5 6 PN 9001153A Unit 5 Printer Configuration LOCAL AREA NETWORK LAN INTERFACE SETUP MODE This chapter provides the programming sequences required for LAN Wireless LAN and Mini LAN interface setup Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen ATTENTION Do not perform the following programming sequence if this is not the interface type to be used Instead refer to the appropriate interface programming flow chart PASSWORD Displayed if password feature is enabled ZA ONLINE QTY 000000 LAN CONFIGURATION Sg OFFLINE QTY 000000 LINE ENTER Cancels CANCEL print job ONLINE MODE DA PORT NUMBER 1 XXXXX dtt Advanced Mode CANCEL ENTER ENTER SUB
32. 408 Service Manual 6 12 PN 9001153A Unit 6 Troubleshooting TEST LABEL PRINTING The test label is designed to assist in the identification of print problems Follow the flow chart provided below to perform this activity Printer beeps TEST PRINT MODE TEST PRINT MODE CONFIGURATION CONFIGURATION BARCODE TEST PRINT MODE TEST PRINT SIZE Press a or v ENTER BARCODE 10 mm Scrolls TEST PRINT MODE options HEAD CHECK TEST PRINT MODE F FONT TEST PRINT PRESS ENTER KEY TEST PRINT MODE TEST PRINT SIZE FACTORY LARGE SMALL ENTER Power off to cease printing Figure 6 4 Test Print Mode Lt408 Service Manual 6 13 PN 9001153A Unit 6 Troubleshooting NOTE The only print problem that the following sample test label does not display is fading of print image from one side of the label to the other This is the result of improper print head balance Compare this scale on each side to ensure the print is evenly spaced horizontally Visually inspect ITAA these rows for voids ITA indicating defective AA lt _ MM i F iiA M n a a v m nn 00 I NNN LL PLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LULU LULU LELE LI LL LDL LO head elements SAMPLE TEST LABEL Label Contents Will Vary Depending on Test Label Type Displays the dip switch settings at the time of print Line sharpness is DS Wil DS We DS WS d ined by pri Ea NONE III vl
33. 53A Unit 9 Appendix READY BUSY TIMING CHARTS 1 Normal process Power ON Press the LINE key Press the LINE key Printer side I ER ll i ll e _ ETX 2 RD RS Printer status td Olt takes the printer 10ps approx to recognize the end of item and to start controlling ER 2 Error process i Head open Head close Press the LINE key Paper end occurred Press the LINE key Printer side l i I l l i i T I I ER rocco clelia ___ _ _y er L I I I STX ETZ 1 RD Vial En sis sica SS eee dicho eee l RS nn luTuuu__ano a cl P 1 11 bl s _ o I I I Online __ offine__ C a _____L _ Online Printer status I I I I I I I I Bron ine Analsis Editing l 4 I l i id _ LI i Pro _ Figure 9 5a Single Item Buffer Timing Charts 1 Normal process Receive buffer Receive buffer Press the LINE key Press the LINE key _ Power ON near full occurred near full released Printer side I i I I I initial ER I I I___I_RTA_ETX STK ETA TAL ETX I STX ET Xia l RD i i i q i I i E eG Printer status I RecemingiAnalysisEditno 1 NOTE For the multi buffer mode it is possible to continue data communications while printing 2 Error process Pa d rad P Head open Head close Press the LINE key pe ee ee Press the LINE key Printer side 4 I i i ER I I I I STX
34. BLE DISABLE SENSOR LEVEL SLICE LEVEL ENTER CANCEL FUNCTION KEY ENTER NONE SENSOR LEVEL GAP CANCEL LEVEL OFFSET XX ENTER CANCEL ENTER CANCEL FORWARD BACKFEED DISTANCE ENTER i gt SENSOR LEVEL GAP CANCEL SLICE LEVEL i ENTER CANCEL WEB ACCELERATION ENTER FAST NORMAL LABEL RE DETECT PIS CANCEL ENABLE DISABLE ENTER ae EXT 9PIN SELECT CANLEE ENTER ENTER MODE1 MODE2 CANCEL ENTER CANCEL Figure 5 8 Service Mode Lt408 Service Manual 5 10 PN 9001153A Unit 5 Printer Configuration FACTORY MODE The Factory Mode permits counter reset of various printer components Use the keys of the printers operator panel to select and reset those features Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Displayed if password feature is enabled PASSWORD MAINTENANCE MODE SERVICE MODE FACTORY MODE TEST PRINT SERIAL NO S N XXXXXXXX CANCEL No ENTER CANCEL ENTER i MAIN PCB REVISION ENTER REV XX Sh COUNTER CANCEL INDICATION ENTER NONE LIFE CANCEL HEAD INTERFACE BOARD CUT REVISION DISPENSE REV X X i Other Options ENTER CANCEL ENTER PRINT SIZE SMALL LARGE i P CANCEL ENTER D TEST PRINT LIFE COUNTER PRESS ENTER KEY XX M ENTER est ENTER test label CUT
35. COUNTER DISPENSE COUNTER X X M CANCEL ENTER Figure 5 9 Factory Mode Lt408 Service Manual 5 11 PN 9001153A Unit 5 Printer Configuration WORK SHIFT MODE The Work Shift mode allows for specific production information regarding printing activity on a given work shift to be recorded Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen YES option must have been selected for the Shift Code within the Hidden Mode Press and hold the following keys for 10 seconds LINE FEED Figure 5 10 Work Shift Mode Lt408 Service Manual 5 12 PN 9001153A Unit 5 Printer Configuration HIDDEN MODE Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen LABEL OUT SENSOR Yes No ENTER dee ENTER SHIFT CODE YES NO ik Yes No ENTER Fs ENTER Figure 5 11 Hidden Mode Lt408 Service Manual 5 13 PN 9001153A Unit 5 Printer Configuration DOWNLOAD MODE This download feature allows the operator to upgrade or downgrade firmaware to the printer When downloading is complete the LCD screen will return to the original display If an error occurs a DOWNLOAD ERROR will display Use the keys of the printer s operator panel t
36. CRIPTION 01 On POWER Ribbon Near End Warning 03 Receive Buffer Near Full Warning 04 Command Error Warning 05 Head Error Warning ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON 2 ONLINE QTY 000000 Za ONLINE QTY 000000 2 Ce ONLINE QTY 000000 za B ONLINE QTY 000000 Limited media quantity remaining Monitor and reload before all is used Little receive buffer capacity remaining Cease data transmission until existing data is analyzed Review print data for command error Ensure print head is connected Replace print head WARNING ICONS Displayed when detecting Ribbon Near End Icon 3 to 5 Displayed when detecting Command Error Icon 3 to 5 Ei i Displayed when detecting Buffer Near Full Icon 3 to 5 Displayed when head is disconnected Icon 3 to 5 Lt408 Service Manual 6 5 PN 9001153A Unit 6 Troubleshooting TROUBLESHOOTING TABLE TROUBLESHOOTING TABLE IMAGE VOIDS Dirty print head Clean print head Damaged print head Replace print head Damaged electronics Replace circuit board Damaged or worn roller Replace rollers Poor label quality Use higher quality media Ribbon stock and media are mismatched RIBBON WRINKLING Poor head alignment Consult with media supplier Adjust head balance and alignment Excessive temperature setting Adjust temperat
37. E SPECIFICATIONS NOTE Print data can be sent by LPR and FTP of TCP IP and dedicated socket protocol Printer status is obtainable by dedicated socket protocol NOTE In the TCP IP protocol enviroment LPD and FTP are provided for printing TELNET for variable setup ARP RARP and BOOTP DHCP for address setup LPD protocol complies with RFC1179 and handles the list of logical printer name as queue name such as Ip sjis euc In addition a banner page can be printed by a proper setup When sending the job by LPR the transmission order of data file control file within the job will not affect print operation In addition if the banner page is specified it will be added to each data file Job deletion by LPR is not available FTP protocol complies with RFC959 and handles the list of logical printer name as a transfer directory File transfer to this directory executes print operation It is possible to specify ASCII A Binary I and TENEX L8 as transfer mode although the mode difference is dependent on the client A banner page may be printed with a proper setup TELNET Complies with RFC854 This operation consists of interactive menu form and enables change and reference of internal setup and to display status To change the setup enter root user and password at the time of login Default of root pasword is set as null linefeed only Lt408 Service Manual 3 8 PN 9001153A Unit 3 Interface Specifications 802 11b WIRELESS
38. Eye Mark Sensor Penetration 8 8 Gap Sensor Penetration 8 10 Operational Adjustments 8 11 Volume 8 11 Pitch 8 11 Offset 8 11 Darkness 8 11 Print Base Reference Position 8 12 APPENDIX Cover Removal Diagram 9 2 Block Diagram 9 3 Label Reference Position 9 4 Session Connect Disconnect 9 5 Ready Busy Timing Charts 9 6 X On X Off Timing Charts 9 7 Print setup Dimensions 9 8 Printer Connection Diagram 9 9 Printer Packing amp Unpacking Diagram 9 10 Typical Applicator Process 9 11 Glossary 9 12 Lt408 Service Manual PN 9001153A INTRODUCTION About This Manual e General Description e Theory Of Operation e Control Features Lt408 Service Manua 1 1 PN 9001153A Unit 1 Introduction ABOUT THIS MANUAL This manual is laid out consistent with the product discussed and provides all of the information required for printer maintenance and repair by SATO approved personnel For the repair technician this manual is intended to compliment and to be used as an extension of owner operator literature This manual also incorporates the use of special information boxes Examples of these boxes and the type of information provided in each are below WARNING PROVIDES INFORMATION THAT IF UNHEEDED MAY RESULT IN PERSONAL INJURY CAUTION PROVIDES INFORMATION THAT IF UNHEEDED MAY RESULT IN EQUIPMENT DAMAGE ATTENTION Provides information that is deemed of special importance but will not result in personal injury or product d
39. I ETX STX ETR 2 I RD E ee pae a a ed ee 2 EB eee ee SK I I i li Offline Online _ Print __ _ Print __ _Print 2 __ Figure 9 5b Multiple Item Buffer Timing Charts Lt408 Service Manual 9 6 PN 9001153A Unit 9 Appendix X ON X OFF TIMING CHARTS 1 Normal process Power ON Press the LINE key Fress the LINE key Printer side l l I I i I RD Frinter status NOTE In this protocol executing the polling of XON at intervals of 500ms from the power supply to the first data reception 2 Error process Press the LINE key Press the LINE key Paper end occurred Press the LINE key Printer side I I SD RD Online Printer status Figure 9 6a Single Item Buffer Timing Charts 1 Normal process Receive buffer Receive buffer _ Power ON near full occurred near full released Press the LINE key Press the LINE key Printer side I i i i SD RD Frinter status Receving Analysis l l Edtingii Print 1 NOTE In this protocol executing the polling of MON at intervals of 500ms from the power supply to the first data reception 2 Error process Head open Head close Printer side Press the LINE key Paper end occurred Press the LINE key SD RD Online Printer status F I I I i l i _ Print o Oo Print 1 Figure 9 6b Multiple Item Buffer Timing Charts Lt408 Service Manual 9 7 PN 9001153A Unit 9 Appendix PRINT SETUP DIMENS
40. IONS Dispensing Head width Printable width lt Unprintable area 3 0mm E es Between sensor and head Label feed direction l mark Gap sensor P 4p Gap Rear I mark a Top I mark N ee n E 17 60 79 6mm Sensor can be moved to horizontal 111I1Iieo oo i 7 Le 45U60 45mm Sensor can be moved to horizontal Figure 9 7 Print Setup Dimensions Lt408 Service Manua 9 8 PN 9001153A Unit 9 Appendix PRINTER CONNECTION DIAGRAM Host Computer Applicator Figure 9 8 Printer Connection Diagram Lt408 Service Manual 9 9 PN 9001153A Unit 9 Appendix PRINTER PACKING amp UNPACKING DIAGRAM Shipping Box Figure 9 9 Packing amp Unpacking Diagram Lt408 Service Manual 9 10 PN 9001153A Unit 9 Appendix TYPICAL APPLICATOR PROCESS O 4 Q Q lt L c 2 5 e oO Packaging Figure 9 10 Typical Applicator Process Lt408 Service Manual 9 11 PN 9001153A GLOSSARY GLOSSARY Unit 9 Appendix gt O Accessory Active Tags Addressability Advance Allen Screw Aluminum Anti Static gt O ASCII Assembly Asynchronous Audible Batch Baud Bi Directional Binary Bits Block Diagram Bolt Bore an N O 00 op D lt O D ie 5 D Alternating Current Electrical current that reverses its direction regularly and continually
41. LEYS AND RESULTING IN PREMATURE COMPONENT WEAR Secure motor bracket 4 Figure 7 3b to the printer using four screws 3 Secure main board 1 Figure 7 3a to the printer using five screws 2 and reconnect all wiring harnesses NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for reconnection Secure the exterior cover to the printer restore power and test print NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover installation Lt408 Service Manual 7 6 PN 9001153A Unit 7 Replacement Procedures DRIVE MOTOR REPLACEMENT The stepper drive motor transmits kinetic energy to the roller assemblies via a timing belt and gear configuration for precise print positioning and ribbon advancement NOTE Figures 7 4a and 7 4b show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal 3 Disconnect all wiring harnesses from the front side of main board 1 Figure 7 4a 4 Remove five screws 2 securing main board 1 to the pinter Lift away main board 1 Figure 7 4a Drive Motor Replacement 5 Remove four screws 3 Figure 7 4b
42. NET MASH PORT NUMBER 2 O 0 0 0 XXXXX dtt CANCEL ENTER i PORT NUMBER 3 INTERFACE BOARD SS SETTING str CANCEL ENTER IGNORE CAN DLE IGNORE CRILF YES NO YES NO j Te k PTS CANCEL ri CANCEL ENTER Figure 5 5 LAN Interface Setup Mode Lt408 Service Manual 5 7 PN 9001153A Unit 5 Printer Configuration USB INTERFACE SETUP MODE This chapter provides the programming sequences required for USB interface setup Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen ATTENTION Do not perform the following programming sequence if this is not the interface type to be used Instead refer to the appropriate interface programming flow chart Displayed if password feature is enabled PASSWORD ZA ONLINE QTY 000000 Sn OFFLINE QTY 000000 LINE CANCEL ENTER Cancels CANCEL Status4 ENTER Advanced ITEM NO CHECK Mode ENABLE DISABLE i P print job CANCEL ENTER BCC CHECK ENABLE DISABLE i p CANCEL ENTER CANCEL ENTER IGNORE CAN DLE NO ik CANCEL ENTER Figure 5 6 USB Interface Setup Mode Lt408 Service Manual 5 8 PN 9001153A Unit 5 Printer Configuration CENTRONICS INTERFACE SETUP MODE This chapter provides the programming sequences required for Centron
43. ORD Displayed if password feature is enabled ONLINE QTY 000000 PROTOCOL Cancels print job RECEIVE BUFFER ITEM NO CHECK MULTI 1ITEM ENABLE DISABLE CANCEL ENTER Advanced Mode BCC CHECK NTERFACE MODE ENABLE DISABLE agg CANCEL ENTER Not IGNORE CAN DLE available with Status 5 Protocol YES or Status 4 with 1 item buffer NO ik CANCEL ENTER Figure 5 3 Parallel Interface Setup Mode Lt408 Service Manual 5 5 PN 9001153A Unit 5 Printer Configuration SERIAL INTERFACE SETUP MODE This chapter provides the programming sequences required for RS232C RS422 or RS485 interface setup Use the key of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen ATTENTION Do not perform the following programming sequence if this is not the interface type to be used Instead refer to the appropriate interface programming flow chart PASSWORD Displayed if password feature is enabled 24 ONLINE QTY 000000 RS 232C 422 485 CONFIGURATION DIPSW LCD i E DIPSW ENTER Sa CANCEL ENTER canes CANCEL RECEIVE BUFFER The OFFLINE QTY 000000 print job screen that appears depends on the interface installed MULTI 1 ITEM Advanced Mode BAUDRATE BAUDRATE 2400 4800 24
44. On X Off Timing Charts e Print Setup Dimensions e Printer Connection Diagram e Printer Packing amp Unpacking Diagram e Typical Applicator Process e Glossary 9 1 PN 9001153A Unit 9 Appendix COVER REMOVAL DIAGRAM Figure 9 1b Cover Removal Diagram Lt408 Service Manual 9 2 PN 9001153A Unit 9 Appendix BLOCK DIAGRAM eo Fan Power Switch CN2U Head Open Sensor Ribbon Sensors a Drive Motor Cover Open Sensor Ground Post Figure 9 2 Block Diagram Lt408 Service Manual 9 3 PN 9001153A Unit 9 Appendix LABEL REFERENCE POSITION CONTINUOUS MODE TRANSMISSION SENSOR REFLECTIVE SENSOR Base Print Position DISPENSE MODE TRANSMISSION SENSOR REFLECTIVE SENSOR Base Print Position NOILOH HIC LNldd 14971 j Base Dispense Position Base Print amp Dispense Position Figure 9 3 Base Reference Position Lt408 Service Manual 9 4 PN 9001153A Unit 9 Appendix SESSION CONNECT DISCONNECT DIAGRAM CONNECT ACCEPT CONNECTED PRINT DATA f PRINTING PRINT DATA PRINTING CLOSE CLOSE DISCONNECTED 2 LISTEN 2 Port1025 for status return LISTEN CONNECT ACCEPT CONNECTED PRINTER STATUS STATUS REQUEST PRINTER STATUS CLOSE CLOSE DISCONNECTED 4 LISTEN Figure 9 4 Session Connect Disconnect Diagram Lt408 Service Manual 9 5 PN 90011
45. RIBBON SUPPLY SPINDLE amp TORQUE LIMITER REPLACEMENT The ribbon supply spindle allows the dispense of ribbon medium past the print head on demand from the ribbon rewind spindle NOTE Figures 7 6a through 7 6b show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal 3 Disconnect all wiring harnesses from the front side of main board 1 Figure 7 6a 4 Remove five screws 2 securing main board 1 to the pinter Lift away main board 1 Figure 7 6a Ribbon Supply Spindle amp Torque Limiter Replacement 5 Remove three screws 3 Figure 7 6b one screw 4 along with bearing 5 securing bracket 6 6 Withdraw bracket 6 to remove screw 7 and replace torque limiter 8 spring 9 and stopper 10 respectively 7 Perform step 8 only if additional components require inspection or replacement 8 Withdraw spindle assembly 11 from center frame 12 and remove bearing 13 9 Perform steps 10 through 16 only if additional components require inspection or replacement 10 Remove screw 14 securing end cap 15 and spacers 16 to ribbon spindle assembly 11 11 Remove screw 17 to withdraw boss 18 spacer 19 disk plate 20 a
46. S NO This feature allows one label to be fed upon the printer entering online mode Enable or disable as desired AUTO ONLINE FEED YES NO This feature allows one label to be fed following an error being corrected and the printer going online FEED ON ERROR YES NO Allows the user to specify the hexadecimal code for the character which is replaced with the Euro Character The default setting should be the correct option EURO CODE The ESC sequence in SBPL SATO Basic Programming Language commands may be defined as standard using non printable code 1BH or non standard some other user PROTOCOL CODE code STANDARD NON STANDARD PARALLEL INTERFACE MODE TABLE 5 3 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to DE OFFLINE whenever the printer is switched offline by pressing the LINE key When a ONLINE print job is received the quantity line will indicate the number of labels to be printed As QTY 000000 the label job prints the display indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ar ONLINE whenever the printer is switched online by pressing the LINE key OFFLINE QTY 000000 Lt408 Service Manual 5 23 PN 9001153A
47. The wireless print server provides easy printer interface with 802 11b Wi Fi compliant networks free of wired connections Each printer is shipped with an integrated driver and interface installed The driver must be loaded onto the host computer and configured to run one of the supported protocols tyo AAWGN 8E 2 PER 91dBm at 1Mbps 88dBm at 2 Mdps 87dBm at 5 5Mbps Sensitivity 84dBm at 11Mbps Range 100m indoors 300m outdoors Protocols TCP IP IPX SPX Direct Mode IPX IP DLC LLC NetBEUI NetBIOS IP Protocol Status3 return Protocol for Driver cyclic response mode Protocol for Driver ENQ response mode Status5 return Channels 01 to 04 DIPSWITCH SETTINGS The dipswitches serve to initialize the configuration saved on the Wireless LAN board print the configuration and make a self diagnosis To communicate with the host set the communication mode by through switches 5 and 6 then set the remaining switches to the OFF position Print of configuration and self diagnsis are operable only on the screen after turning on the printer Ensure all switches are in the OFF position when operating the printer SWITCH SETTING Reserved setup prohibited LAN board EEPROM initialization configuration Print configuration details on a label Print a self diagmosis of the board onto a label O Reserved O OFF Ad hoc OFF Infrastructure OFF OFF 802 11 Ad hoc NOTE The communication mode may be set within the
48. When this line is high the printer assumes that data is ready to be transmitted The printer will not receive data when this line is low If this line is not being used it should be tied high to pin 4 To Printer DSR Data Set Ready When this line is high the printer will be ready to receive data This line must be high before data is transmitted If this line is not being used it should be tied high to pin 20 To Host DTR Data Terminally Ready This signal applies to Ready Busy flow control The printer is ready to receive data when this pin is high It goes low when the printer is off line either manually or due to an error condition and while printing in the single job buffer mode It will also go low when the data in the buffer reaches the buffer near full level READY BUSY CABLE REQUIREMENTS coon HOST DIRECTION 1DB25 PRINTER FG Frame Ground Frame Ground Bi Directional FG Frame Ground sa DA Clear To a To Printer DB9 6 RTS ee To S 4 2 DTR Data Terminal Ready To Printer DB9 4 DSR Data Set Ready 6 6 DSR Data Set Ready ToHost 6 DTR Data Terminal Ready SG Signal Ground Bi Directional SG Signal Ground This connection at the host side of the interface would depend upon the pin that is being used as the Ready Busy signal by the driving software Typically on a PC it would be either CTS pin5 or DSR pin 6 on a DB 25 connector Figure 3 2 Serial Connector Pin Assignments Lt408 Se
49. YA 7 OD DCS amp Labeling Worldwide Lt408 PRINT ENGINE SERVICE MANUAL SATO America Inc 10350A Nations Ford Road Charlotte NC 28273 Main Phone 704 644 1650 Technical Support Hotline 704 644 1660 Technical Support Fax 704 644 1661 E Mail satosales satoamerica com technicalsupport satoamerica com www satoamerica com WARNING THE EQUIPMENT REFERENCED IN THIS DOCUMENT COMPLIES WITH THE REQUIREMENTS IN PART 15 OF FCC RULES FOR A CLASS B COMPUTING DEVICE OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA MAY CAUSE UNACCEPTABLE INTERFERENCE TO RADIO AND TV RECEPTION PN 9001153A TABLE OF CONTENTS INTRODUCTION About This Manual 1 2 General Description 1 3 Theory Of Operation 1 4 Control Features 1 5 TECHNICAL DATA Physical Characteristics 2 2 Power 2 2 Enviromental 2 2 Processing 2 2 Command 2 2 Interface Modules 2 2 Regulatory Approvals 2 2 Sensing 2 3 Print 2 3 Media 2 3 Ribbon 2 3 Character Font Capabilities 2 4 Barcode Capabilities 2 5 INTERFACE SPECIFICATIONS Interface Specifications 3 2 RS232C High Speed Serial Interface 3 3 IEEE1284 Parallel Interface 3 6 Universal Serial BUS USB Adapter 3 7 Local Area Network LAN Ethernet 3 8 802 11b Wireless 3 9 All Interfaces 3 11 ACCESSORIES INSTALLATION Interface Installation 4 2 Real Time Clock 4 3 Lt408 Service Manual PN 9001153A PRINTER CONFIGURATION Printer Configuration 5 2 Configuration Modes 5 3 User Mode 5 3 Advanced Mode 5 4
50. acement Procedures LABEL SENSOR REPLACEMENT The label sensor is a sensor complex comprised of the label out sensor gap reciever and eye mark sensor all contained within a single housing This sensor assembly is mounted to the printers center frame to protrude across the input side of the print assembly The label sensor assembly may be easily identified by its purple adjustment knob ATTENTION Before assuming the sensor defective and replacing the assembly ensure that the condition is not the result of debris buildup Thoroughly clean the sensor before replacing it 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove three screws 1 Figure 7 12 securing defective sensor assembly 2 to center frame 3 3 Lift defective sensor assembly 2 away from center frame 3 and chasssis 4 NOTE Rotate the sensor assembly clockwise 45 degrees and lift upward to remove 4 Disconnect relative wiring harness from defective sensor assembly 2 and reconnect to replacement sensor assembly 2 NOTE To insert the sensor assembly apply its mounting flage to the center frame and lower at a 45 degree angle so as to allow its lower right slot to insert onto the label guide shaft behind the snap ring The label guide shaft contains the small white plastic rollers 5 Apply sensor assembly 2 to center frame 3 and secure using three screws 1 6 Load printer restore power and test print to ensur
51. amage if unheeded NOTE Provides helpful hints to assist in performing the tasks at hand LCD DISPLAY Provides the specific display that should be visible on the LCD at that point A comprehensive Table Of Contents provided at the front of this manual facilitates rapid movement within The contents identify the different Units Chapters and some Sections Each references the page number of their commencement The pages of this manual have embedded headers and footers to assist the user in identifying his or her exact position within the manual The header provides the unit number followed by its name The footer identifies the product on the left the page number in the center and the manual s part number to the right side of the page Page enumeration is two part with each separated by a hyphen The first character set references the Unit and the second identifies the page number within that unit Page numbers begin with the numeral one 1 at the beginning of a new unit and ascend sequentially Lt408 Service Manual 1 2 PN 9001153A Unit 1 Introduction GENERAL DESCRIPTION The SATO Lt408 OEM print engine has been designed and manufactured to meet the needs of the entry level print apply market The entry level market can be generally defined as small to mid sized manufacturers with low throughput light duty applications These applications do not require the feature set found on standard OEM print engines that usually mak
52. ange A straight line from the outer edge of a circle through the center and onward to the opposite Diameter edge Also the measurement of that distance dimension Dimension Any measurable distance Lt408 Service Manual 9 13 PN 9001153A Unit 9 Appendix GLOSSARY Allows current to flow in one direction but not the other to protect sensitive electronics A diode functions by compositing two conductive materials with one possessing low resistance to electrical current on one side and high resistance on the other Diode A group of tiny switches directly attached to a circuit board to enable configuration for a SIPARIO Compie particular type of application These switches are two position On Off The printing method that uses a chemically coated heat sensitive media Once the heat from the thermal printhead is applied to the media the media darkens with the image Direct Thermal l a Direct thermal printing does not require ribbon and is typically used in applications where the label needs to endure for a year or less Disable To deactivate or make unable to function Divergent To deviate from the norm or to possess opposing positions Dots Per Inch The quantity of printed dots within a square inch area the print density Dynamic Random Access Memory DRAM is the most common kind of RAM and is a network of electrically charged points in which a computer stores quickly accessible data in the form of Os and 1s Ea
53. ange and reference of internal setup and to display status To change the setup enter root user and password at the time of login Default of root pasword is set as null linefeed only 1 Printing by socket Port 024 print data Port1025 status 2 Printing by LPR and FTP LPR and FTF Port1025 status Figure 3 4 Socket Connection Diagram Lt408 Service Manual 3 10 PN 9001153A Unit 3 Interface Specifications ALL INTERFACES RECEIVE BUFFER The data stream is received from the host to the printer one job at a time This allows the software program to maintain control of the job print queue so that it can move a high priority job in front of ones of lesser importance A multiple job buffer allows the printer to continuously receive print jobs while compiling and printing other jobs at the same time It acts much like a Print buffer to maximize the performance of the host and the printer The printer receives and prints one job at a time If a print job exceeds the buffer size transmission will be rejected by the printer Flow control protocols to throttle transmission are not used Error conditions that occur during the Print Data transmission will cause the printer to return a NAK ACK NAK PROTOCOL Bi Directional ACK NAK protocol is used for error control In a normal transmission sequence when the transmission is received the printer will return an ACK 06H signifying that it was received without a tr
54. ansmission error After the transmission command structure has been analyzed a status byte is returned to the host This status byte informs the host of the validity of the command structure If the command structure is error free the printer proceeds with the print operation When the print operation is completed a Printer Status message is returned to the host If an error was detected during the initial transmission sequence a NAK 15H will be returned signalling to the host that the received transmission contained errors and must be resent If the returned Status byte indicates a command structure error the error must then be corrected before the print data is resent to the printer A valid transmission to the printer must be bounded by an STX ETX pair with the STX 02H signifying the start of the Print Data and ending with an ETX 03H signifying the end STATUSS RETURN This communication protocol is designed for the purpose of monitoring and controlling print data status in the host and featuring various functions INTERFACE SIGNALS PIN DIRECTION SIGNAL DEFINITION 1 Reference FG Frame Ground 2 ToHot o TD Transmit Data Data from the printer to the host computer 3 ToPrinter o RD Receive Data Data to the printer from the host computer SG Signal Ground CABLE REQUIREMENTS Depending on the host used it may need to loop CS and RS maintaining at high level on the hose side For additional infor
55. at it can be applied to an object The tag picks up signals from and sends signals to a reader The tag contains a unique serial number but may have other information and come in many forms such as smart labels that can have a barcode printed on it or can simply be mounted inside a carton or embedded in plastic RFID tags can be active passive or semi passive Each tag broadcasts a signal to be received by three reader antennas The time each signal is received is passed on to a software system that uses triangulation to calculate the location of the asset A thin flexible strip with layers of material one of which contains ink used to produce an image on print media A thick cardboard sleeve onto which ribbon is wound Not flexible stiff Read Only Memory Also known as firmware is an integrated circuit programmed with specific data when it is manufactured There are five basic types ROM PROM EPROM EEPROM and Flash Memory Each type has unique characteristics but they all are types of memory that have two things in common the stored data is non volatile not lost when power is removed and the stored data is unchangeable or requires a special operation to do so ROM chips contain a grid of columns and rows A diode is used to connect the lines and gain access to the data if the value is 1 If the value is 0 the lines are not connected and access is denied Revolutions Per Minute The number of cycles within the
56. bly A group of components assembled to form a complete unit that is a part of a larger unit A small mechanical device when altered sends an electrical signal to influence a predetermined activity Unlike a button or key switches may have multiple positions Relative to RFID the transmitter receiver pair of transceiver plus the information storage mechanism attached to the object Also referred to as Transponder The printing method that creates an image by transferring ink from a heat activated ribbon onto the media using the heat from a thermal printhead Switch D A printhead is composed of a set of pins referred to as elements which may be selectively heated through electrical induction Regular paper media is used in this application in conjunction with the heat sensitive ribbon The ribbon deposits a coating of dark material onto the paper when exposed to intense heat Thermal Transfer Thermal transfer printing is more durable than direct thermal printing and is often used when a label needs to endure longer than a year The science that deals with the relationship of heat and mechanical energy also the Thermodynamics l I conversion of one into the other Threads The spiral grooves on the shaft of a screw The three projectories of an object X axis is the distance left and right the Y axis is the distance up and down and the Z axis is the distance inward and outward Three Dimensional A piece of wir
57. cation Bi Directional Communication Transmission Form Start b1 b2 b3 b4 b5 b6 b7 b8 Stop b8 will be omitted if using 7 bit oriented Control Codes STX 02H ETX 03H ACK 06H NAK 15H Connector Printer Side DB 25S Male equivalent Cable Connector DB 25P Female equivalent Signal Levels High 5V to 12V Low 5V to 12V Protocol Ready Busy X On X Off Protocol for Driver Status4 DIPSWITCH SETTINGS SWITCH COMPONENT SETTINGS ON Data Bit OO OFF OFF ON EVEN OFF NONE ON Stop Bit ON Reserved Status2 amp 3 when compatible mode is OFF OFF Protocol for Driver Status5 7 ON Protocol ON ON ON 57600 bps Baud Rate ON OFF 38400 bps OFF ON 19200 bps OFF OFF 9600 bps Lt408 Service Manual 3 3 PN 9001153A Unit 3 Interface Specifications READY BUSY INTERFACE SIGNALS DIRECTION SIGNAL DEFINITION To Host TD Transmit Data Data from the printer to the host computer Sends X On X Off characters or status data bi directional protocols Receive Data Data to the printer from the host computer To Host RTS Request to Send Used with Ready Busy flow control to indicate an error condition RTS is high and remains high unless the print head is open in this case RTS would return to the high state after the print head is closed and the printer is placed back on line or an error condition occurs during printing e g ribbon out label out To Printer CTS Clear to Send
58. ce begin test printing slightly loosen the set screw and slightly move the adjustment plate to the right or left as necessary Retighten the set screw while holding the adjustment plate when proper printing is achieved Print Head Latch Head Balance Pin Adjustment Plate Figure 8 3 Print Head Balance Adjustment Lt408 Service Manual 8 4 PN 9001153A Unit 8 Adjustment Procedures TIMING BELT TENSION This printer model incorporates the use of dual timing belts that transfers torque from the drive motor to the platen motor The timing belt tensioners are spring loaded so that manual adjustment is not required To adjust the tensioning of the two timing belts simply loosen the set screw for each tension roller and then retighten them This ensures that the timing belts will not be overly tensioned NOTE One set screw is surface mounted to the motor mount plate and is visually accessible The other is accessible through an orifice in the motor mount plate This orifice is located just beneath the surface mounted screw and allows a screwdriver to be inserted to reach the second set screw CAUTION EXCESSIVE BELT TENSION WILL CREATE UNDESIRABLE DRAG ON THE DRIVE TRAIN A PROPERLY ADJUSTED BELT WILL POSSESS JUST ENOUGH TENSION TO PREVENT SLIPPAGE Tension Roller Motor Mount Plate Figure 8 4 Timing Belt Tension Lt408 Service Manual 8 5 PN 9001153A Unit 8 Adjustment Procedures RIBBON GUIDE ADJUSTMENT If the
59. ce that the media must be retracted following one of those activities so that printing may again take place Omni Directional The ability of an RFID tag to operate in any orientation Orientation Sensitivity In RFID the range or measurement of decreased readability by non optimal orientation Offset Orientation Having to do with the manner or angle of placement O Ring A typically circular object made of round elastic material to provide a seal between two objects Oscillate To move back and forth along a span Pan Head Screw A threaded rod with a rounded flanged head used to attach multiple object together In printing applications the temporary backing for print media The paper is removed following Orifice An opening for which something is to pass through similar to a bore Paper printing so the label may be applied Parallel Objects extending in the same direction maintaining the same distance part An interface between computer and printer where the computer sends multiple bits of information to the printer simultaneously by sending each bit over a separate wire Parameter The span or area that something is allowed to exist or operate A simple form of error checking that is used in serial communication A parity bit is a binary digit that is added to a group of bits to detect the presence of an error The parity bit take on the value of an 0 or a 1 to satisfy a constraint on the overall parity of a binary number The pa
60. cement These adjustment activities require the use of a multimeter and may be performed with or without the assistance of the SATO Test Module The test module is a purchase option Refer to the procedure below for directions using the test module and Figure 8 7 for visual assistance 1 Remove the rear and left housing covers NOTE Refer to Figure 9 1 of the Appendix unit for guidance on housing cover removal Adjust the VR2 potentiometer fully counter clockwise Connect the test module to the available test panel Connect the multimeter ground probe to the pin identified as GRD on the test module Connect the multimeter positive probe to the pin identified as SIG Turn the printer on and rotate the test module dial to the 5 position Physically position the media s backing paper so that it rests over the gap sensor Adjust the VR2 potentiometer until the multimeter displays a value of 0 2 to 1 0V Relocate the media so the label with backing paper is oriented over the gap sensor 4 O DAN QD dl SA W N O Regard the multimeter to determine the second measurement is 0 8V greater than the previous reading 11 Repeat steps 7 through 11 until the required value of 0 8V or greater is achieved 12 Begin normal printing to ensure proper adjustment 13 Replace left and rear housing covers NOTE Refer to Figure 9 1 of the Appendix unit for guidance on housing cover removal MULTIMETER ALONE Sensor adjustment may be performed by usi
61. ch storage or memory cell can be directly accessed if the intersecting row or column is known Each cell consists of a capacitor and a transistor l The components and sub assemblies that comprise the mechanical apparatus of motion or Drive Train e kinetic energy Multiple items that do not share the same center example a circle whose center axis is not the same as that of another to whom it is connected The opposite of concentric E Clip Type E snap ring Electrically Erasable Programmable Read Only Memory Are ROM chips that do not have to be removed to be rewritten Nor does the entire chip have to be completely erased to change a specific portion Changing the contents does not require additional dedicated equipment DRAM Eccentric EEPROM The localized application of an electric field to each cell erases the targeted cells which can be rewritten Since only 1 byte can be changed at a time EEPROM s are versatile but slow Electronic Label A label that has an electronic RFID tag embedded within Electromagnetic Coupling In RFID a system that uses a magnetic field as means of transferring data or power l In RFID a system which uses the induction of voltage on a plate as a means of transferring Electrostatic Coupling data or power Ellipse An oval shape that is symmetrical on either side of its center when divided into quadrants Embossed Characters or graphics that are raised above the remaining surface Enab
62. come worn or excessively stretched beyond the printer s adjustment ability and require replacement It is at this time that the gears pulleys and their bearings should be inspected for damage or wear The spindle itself would only require replacement in the event of damage from external sources NOTE Figures 7 5a through 7 5d show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal 3 Disconnect all wiring harnesses from the front side of main board 1 Figure 7 5a 4 Remove five screws 2 securing main board 1 to the pinter Lift away main board 1 Figure 7 5a Ribbon Rewind Spindle Gear Belt Replacement Lt408 Service Manual 7 9 PN 9001153A Unit 7 Replacement Procedures 5 Remove four screws 3 Figure 7 5b securing motor bracket 4 to the printer Lift away bracket 4 6 Remove one screw 5 two screws 6 securing bearing bracket 7 and bearing 8 to the printer Figure 7 5b Ribbon Rewind Spindle Gear Belt Replacement 7 Loosen tension roller set screw 9 Figure 7 5c to release tension on timing belt 10 8 Detach snap ring 11 retaining pulley 12 to the printer Withdraw pulley 12 9 Visually inspect t
63. d Latch Adjustment Plate Print Head Figure 8 1 Print Head Alignment Lt408 Service Manual 8 2 PN 9001153A Unit 8 Adjustment Procedures PRINT HEAD PRESSURE ADJUSTMENT Print head pressure adjustment allows for the print head to be adjusted to accommodate different media types thicknesses The pressure setting switch is two position normal high The table that follows correlates the media used with a pressure setting PRESSURE BALANCE ADJUSTMENT Paper Width inches 0 612 to 2 16 0 62 to 2 55 PRESSURE REQUIREMENTS Paper Thickness inches 0 003 to 0 008 Reference Thin paper normal label etc Thick paper tag etc NOTE The dial is innumerated on the side to assist in position selection The bottom most numberal represents the setting Print Assembly Adjustment Dial Figure 8 2 Print Head Pressure Adjustment Lt408 Service Manual 8 3 PN 9001153A Unit 8 Adjustment Procedures PRINT HEAD BALANCE ADJUSTMENT Print head balance is the equalization of pressure against the platen roller from one end to the opposite If the print head balance is out of adjustment the printed image will be darker on one side of the label than the other and the media will be prone to travel in the direction of least resistance The adjustment of print head balance on the label can be subjective One will know when balance is achieved by the disappearance of prevailing negative print characteristics To adjust the balan
64. d the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As SIOE QTY 000000 the label job prints the display indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to si ONLINE whenever the printer is switched online by pressing the LINE key OFFLINE QTY 000000 Is a transitional screen that allows the operator to choose a given direction within the menu map ONLINE MODE Ea fi O Lt408 Service Manual 5 38 PN 9001153A Unit 5 Printer Configuration HEX DUMP MODE TABLE 5 17 The Advanced Mode screen is only a transitional screen to the Hex Dump Mode screen ADVANCED MODE 2a Is the premiere screen to the Hex Dump Mode The contents of the print buffer and the data received before it is placed into the print buffer may be examined through the use HEX DUMP MODE of the Hex Dump Mode E Each line of the printed data is enumerated in the first column the second column VE contains the data in hexadecimal format and the right column contains the same data in _ ASCII format Only one type of data will be printed at a time This screen allows the selection of the
65. d to ONLINE whenever the printer is switched online by pressing the LINE key Is a transitional screen that allows the operator to choose a given direction within the menu map Is the premier screen of the Interface Mode The Interface Mode allows the parameters to be set for the printer to communicate with a host and vise versa Select the YES option if an interface board for bi directional communication will be configured Determines whether the print data code requires deletion Hexadecimal graphic data will not be deleted Select YES to delete all carriage return CR and line feed LF commands in the data stream including graphics and 2D bar codes This feature is used primarily to maintain compatibility with earlier models of SATO printers Allows 1 byte command such as CAN and DLE code to be deleted Will only appear when the communication protocol is STATUS4 for overseas specifications Allows the selection of the receive buffer type Select MULTI for multiple buffers and 1ITEM for a single item buffer 5 30 PN 9001153A Unit 5 Printer Configuration SERVICE MODE TABLE 5 8 The Maintenance Mode is divided into two sections the Service Mode and the Factory Mode The Service Mode allows the programming of various dimensional settings sensor SERVICE MODE thresholds and language options FACTORY MODE MAINTENANCE MODE The Factory Mode permits counter reset of various printer components Use the printer
66. data Lt408 Service Manual 9 21 PN 9001153A
67. ded Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Lt408 Service Manual 5 4 Displayed if password feature is enabled PASSWORD 2A ONLINE QTY 000000 EXTERNAL SIGNAL DIRECT PEs TYPE i TYPES TYPE4 EXTERNAL REPRINT ENABLE DISABLE Cancels dh print job Yes No ENTER AUTO ONLINE FEED YES NO CANCEL ENTER FEED ON ERROR YES CANCEL ENTER Yes No ENTER PRINTER TYPE ENTER CANCEL DISPENSER CANCEL CONTINUOUS ENTER EURO CODE CANCEL Dispenser EXTERNAL SIGNAL ENTER ENABLE DISABLE Select code ENTER ir ENTER CANCEL sulle STANDARD Enable ENTER NON STANDARD BACKFEED MOTION BEFORE NONE AFTER ENTER Figure 5 2 Advanced Mode PN 9001153A Unit 5 Printer Configuration PARALLEL INTERFACE SETUP MODE This chapter provides the programming sequences required for IEEE1284 interface setup Use the keys of the printer s operator panel and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen ATTENTION Do not perform the following programming sequence if this is not the interface type to be used Instead refer to the appropriate interface programming flow chart PASSW
68. defective print head 2 from print assembly 3 Disconnect the two wiring harnesses Reconnect two wiring harnesses not shown to replacement print head 2 NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for reconnection Pull and hold outward on release knob 1 while applying replacement print head 2 to print assembly 3 CAUTION THE BRACKETS ON EACH END OF THE PRINT HEAD MUST SNAP INTO POSITION ON THE RELEASE KNOB S SHAFT ENSURE THE PRINT HEAD IS SECURELY AND PROPERLY INSTALLED PRIOR TO OPERATING THE PRINTER TO PREVENT MECHANICAL DAMAGE Restore power reset the head counter and test print Figure 7 1 Print Head Replacement Lt408 Service Manual 7 2 PN 9001153A Unit 7 Replacement Procedures ROLLER REPLACEMENT The printer s three rubber rollers are considered to be high wear components due to constant treading of the print media and ribbon stock against their contact surfaces This constant contact will eventually wear grooves into the rubber material and negatively effect print output The procedure below applies for all three rubber rollers However some rollers do not incorporate the use of spacer 5 so in those cases that process is to be ignored 1 Switch off the printer and observe appropriate lockout tagout procedures 2 Loosen screw 1 Figure 7 2 sufficiently to rotate bearing clamp 2 from bearing 3
69. derside adjacent to the power supply cord connector To inspect or replace the fuse simply twist off the cap and the fuse will exist with it Lt408 Service Manual 7 28 PN 9001153A ADJUSTMENT PROCEDURES Print Head Alignment e Print Head Pressure Print Head Balance e Timing Belt Tension e Ribbon Guide Alignment e Label Sensor Positioning e Eye Mark Sensor Penetration e Gap Sensor Penetration e Print Position Adjustment Lt408 Service Manua 8 1 PN 9001153A Unit 8 Adjustment Procedures ADJUSTMENT PROCEDURES This unit covers all of the printer and printer accessory adjustments These adjustments include mechanical adjustments required following the replacement of components and assemblies in addition to the operational adjustments required following a job change PRINT HEAD ALIGNMENT Print head position has a direct impact on print quality The print head must be parallel with the platen roller for the printed image to be consistent across the label To adjust the alignment test print a label loosen the set screw slightly move the adjustment plate to the right or left as deemed necessary to align the print head with the roller and reprint a label Repeat the process until proper printing is achieved and then retighten the set screw while holding the adjustment plate in position CAUTION THE PURPLE KNOB HASN T ANYTHING TO DO WITH PRINT HEAD ALIGNMENT PULLING ON THIS KNOB WILL RELEASE THE PRINT HEAD Print Hea
70. ding CAN Figure 3 5c pri end Head open Head close Press the LINE key STX ETX 1 E fe Printer side f Editing 1 NOTE 1 When the paper end has occurred Open the head Set the label Close the head for feed operation 2 When the head is closed the paper end will be released Lt408 Service Manual 3 12 PN 9001153A Unit 3 Interface Specifications STATUSS5 TIMING CHARTS PRINT PROCESS Figure 3 5d Printer side RD sD Printer status Receiving Analysis Editin g t IN Editing 2 Figure 3 5e Frinter side i Obtaining RD STX ETX 1 printer operation F Printer operatio as ine Sr il Printer status Recelvin ing Analysis _ Rece ceiving Analysis Editing 1 Editing 2 Print 1 Figure 3 5f Printer side item No error item cancellation STX 1000003 BCC ETX 2 RD I Print 1 NOTE Avoid executing the command to obtain the status e g printer operation status while printing Lt408 Service Manual 3 13 PN 9001153A Unit 3 Interface Specifications EXTERNAL SIGNAL The external signal interface is designed to connect the printer to an applicator Proceed to the printer s Advanced Mode for various setup activities related to the external signal There are two connector types available for the external signal interface one with a 14 pin connector and the other with a 25 pin connector SPECIFICATIONS Signal Level High 2 4 to 5 0V
71. e bent into a spiral and connected on each end by different objects to allow them Keralen Spring to be pulled apart and then automatically return to their original position once released A device used to increase or decrease electricity s voltage and current The device consists of one or more windings typically copper which the ratio of the number of turns inversely determines the voltage change The windings are wrapped around a magnetic core affecting magnetic induction Transformer A device used to amplify a signal or open and close a circuit Is constructed of a semiconductive material and is comprised of three terminals where one can be used to control the flow of current through the other two Translucent When a medium is of a condition so as to allow light to filter Transparent When a medium is of a condition so one can see through it unfettered Relative to RFID the transmitter receiver pair of transceiver plus the information storage mechanism attached to the object Also referred to as Tag Tread The act of an object making repetitive contact upon another that is in motion Transistor Transponder Lt408 Service Manual 9 20 PN 9001153A Unit 9 Appendix GLOSSARY Troubleshoot The act of locating the source of a problem or problems Two of the projectories of an object X axis is the distance left and right and the Y axis is the Two Dimensional l I Be distance up and down In a two dimensional perspect
72. e capital investment unjustifiable The Lt408 offers this market the opportunity to automate the labeling function with a system specified for their requirements and priced within their reach The Lt408 follows the SATO OEM print engine concept The print engine when integrated with an applicator system provides low throughput light duty applications with automated yet affordable print apply labeling solutions Because the OEM print engine is a single piece module it can be easily and quickly removed for off line servicing or for complete module replacement Like all SATO OEM print engines the Lt408 includes an applicator interface port to provide the required synchronization and messaging between the printer and the applicator When specified for suitable applications the SATO Lt408 print engine is designed to provide years of reliable labeling operations Operator Panel Figure 1 1a Primary Components Lt408 Service Manual 1 3 PN 9001153A Unit 1 Introduction THEORY OF OPERATION When activated media is fed past the print head by an integrated drive train The drive train is electric stepper motor driven and coupled to a gear pinion and belt configuration located on the electrical side of the printer s center frame The pinion pulley is concentrically attached to the motor spindle and provides differential torque to the gear via a timing belt The gear is concentrically attached to the platen roller spindle and prov
73. e interface has been correctly configured Wait two minutes and run self test to verify If a test label does not print there may be a hardware problem Replace the interface board permanently if determined to be the problem Also reset the interface card CENTRONICS INTERFACE TROUBLESHOOTING STEP es Ensure the interface module is correctly installed Run self test to verify Ensure the printer cable is connected to the appropriate LPT port on the host computer If using a Windows printer driver ensure the correct port is selected Ensure the host s peripheral settings are set for Centronics output for faster throughput Refer to the computer manufacturer s documentation for details Ensure the printer is receiving information from the computer using the Receive Buffer Hex Dump mode Refer to that procedure within this manual for instructions The command stream should be continuous and possess ODhex and or OAhex carriage return and line feed characters throughout However there should not be either located between the start lt ESC gt A and the stop lt ESC gt Z commands Replace the interface board with another to isolate the problem permanently replace if defective Lt408 Service Manual 6 9 PN 9001153A Unit 6 Troubleshooting PERFORMANCE TESTING This chapter explains how to troubleshoot circuitry using a multimeter These activities may be performed with or without test module assistance in conjunction with the multime
74. e printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As QTY 000000 the label job prints the display indicates the number of labels remaining to be printed ONLINE Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ann ONLINE whenever the printer is switched online by pressing the LINE key OFFLINE QTY 000000 Lt408 Service Manual 5 28 PN 9001153A Unit 5 Printer Configuration USB INTERFACE MODE TABLE 5 6 Is a transitional screen that allows the operator to choose a given direction within the menu map ONLINE MODE Ea a di LU Is the premier screen of the Interface Mode The Interface Mode allows the parameters to be set for the printer to communicate with a host and vise versa INTERFACE MODE AR ta E Select the YES option if an interface board for bi directional communication will be configured INTERFACE BOARD SETTING YES NO Determines whether the print data code requires deletion Hexadecimal graphic data will not be deleted Select YES to delete all carriage return CR and line feed LF IGNORE CR LF commands in the data stream including graphics and 2D bar codes YES NO This feature is used primarily to maintain compatibility with earlier models of SATO printers Allows setting
75. e proper function a Figure 7 12 Label Sensor Replacement Lt408 Service Manual 7 24 PN 9001153A Unit 7 Replacement Procedures HEAD OPEN SENSOR REPLACEMENT The head open sensor disables the printer if the print head is not properly latched The sensor is of an on off variety that sends a signal to the processor should the circuit be completed The processor in turn relays an error signal to the panel board ATTENTION Before assuming the sensor defective and replacing the assembly ensure that the condition is not the result of debris buildup Thoroughly clean the sensor before replacing it NOTE Figures 7 5a through 7 5d show the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal and installation 3 Disconnect all wiring harnesses from the front side of main board 1 Figure 7 13a 4 Remove five screws 2 securing main board 1 to the pinter Lift away main board 1 Figure 7 13a Head Open Sensor Replacement Lt408 Service Manual 7 25 PN 9001153A DI er SI 11 12 Unit 7 Replacement Procedures Remove four screws 3 Figure 7 13b securing motor bracket 4 to the printer Lift away bracket 4 Ensure
76. e remaining media offset to print the next label To perform this adjustment Power On the printer Press the LINE key to place printer offline Advance to the User Mode and press ENTER Adjust the OFFSET potentiometer Press the FEED key to feed another label Repeat steps 3 and 4 until properly adjusted Press the LINE key to bring the printer back online DARKNESS Is used to adjust the darkness or lightness of the printed image and should be used in conjunction with the configuration adjustments Make course adjustments there and then fine tune here If unable to achieve the desired setting here the course adjustment must be reset Adjust this potentiometer as labels are being printed Allow two labels to be printed for each adjustment to ensure a desired setting Lt408 Service Manual 8 11 PN 9001153A Unit 8 Adjustment Procedures CONTINUOUS MODE TRANSMISSIONSANSOR REFLECTIVE SENSOR Base Pint Position 7 _ DISPENSE MODE TRANSVISSON SENSOR REFLECTIVE SENSOR NOILOH HIO LNldd 149471 Base Pint Position F Base Dispense Position Bese Pirt amp Dispense Position Figure 8 9 Print Base Reference Position Lt408 Service Manual 8 12 PN 9001153A Lt408 Service Manual APPENDIX Cover Removal Diagram Block Diagram e Label Reference Position Diagram Session Connect Disconnect Diagram e Ready Busy Timing Charts e X
77. en direction within the menu map Is the premiere screen of the Interface Mode The Interface Mode allows the parameters to be set for the printer to communicate with a host and vise versa Select the YES option if an interface board for bi directional communication will be configured Determines whether the print data code requires deletion Hexadecimal graphic data will not be deleted Select YES to delete all carriage return CR and line feed LF commands in the data stream including graphics and 2D bar codes This feature is used primarily to maintain compatibility with earlier models of SATO printers Selection of the DIPSW option will use settings on the RS232C card The LCD option advances the operator to menus that allow the DIPSW settings to be over written 5 25 PN 9001153A Unit 5 Printer Configuration SERIAL INTERFACE MODE TABLE 5 4 a DESCRIPTION Allows the selection of the receive buffer type Select MULTI for multi item buffer and 1ITEM for a single item buffer RECEIVE BUFFER MULTI 1 ITEM Allows selection of the baud rate Will only appear when the RS232C interface is RATE installed and the LCD option is chosen from the prior menu 2400 4800 9600 19200 Allows setting of the parity bit for the serial interface Will not display if the dipswitch priority option is chosen The interface board must be installed PARITY BIT NONE ODD EVEN iF Allows stop bit selection for the serial inte
78. es 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal 3 Disconnect all wiring harnesses from the front side of main board 1 Figure 7 3a 4 Remove five screws 2 securing main board 1 to the printer Lift away main board 1 Figure 7 3a Drive Train Belt Gear Replacement Lt408 Service Manual 7 4 PN 9001153A Unit 7 Replacement Procedures 5 Remove four screws 3 Figure 7 3b securing motor bracket 4 to the printer Lift away bracket 4 Figure 7 3b Drive Train Belt Gear Replacement 6 Loosen set screws 5 amp 6 Figure 7 3c to release tension rollers 7 amp 8 respectively Figure 7 3c Drive Train Belt Gear Replacement Lt408 Service Manual 7 5 PN 9001153A 10 11 12 Unit 7 Replacement Procedures Withdraw defective belts 9 and 10 from their respective pulleys Visually inspect pulleys 11 12 and four gears 13 Replace as deemed necessary NOTE Some gears and pulleys are retained using a snap ring 14 that must be removed for their withdrawal Gears 13 are displayed on Figure 7 3b Apply belts 10 and 9 to their respective pulleys ensure tension rollers 8 and 7 are supplying sufficient pressure and retighten set screws 6 and 5 CAUTION A PROPERLY TENSIONED BELT WILL BE JUST ENOUGH TO PREVENT SLIPPAGE AN OVERLY TENSIONED BELT WILL EXCESSIVELY INCREASE DRAG ON THEIR PUL
79. fective main board 1 Figure 7 9a 4 Remove five screws 2 securing main board 1 to the pinter Lift away main board 1 Figure 7 9a Secondary Board Replacement 5 Remove four screws 3 Figure 7 9b securing defective secondary board 4 to the printer 6 Disconnect all relative wiring harnesses from defective secondary board 4 7 Secure replacement secondary board 4 to the printer using four screws 3 and reconnect all relative wiring harnesses Lt408 Service Manual 7 18 PN 9001153A Unit 7 Replacement Procedures NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection 8 Secure replacement main board 1 to the printer using five screws 2 9 Connect all relative wiring harnesses previously disconnected Figure 7 9b Secondary Board Replacement Lt408 Service Manual 7 19 PN 9001153A Unit 7 Replacement Procedures POWER BOARD REPLACEMENT The power board contains the printers transformers relays etc for transferance of electrical current from the source supply to the printer s control cicuits Circuit boards generally have long lives due to the lack of moving parts Generally if a circuit board becomes defective it is contributable to a negative external condition If It is determined that the circuit board has become defective search the printer over for possible visual factors that may have led t
80. ftware to cancel a print job once initiated Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Printing in process La ONLINE QTY 000000 Ag OFFLINE QTY 000000 a H E CANCEL PRINT JOB CANCEL YES NO ENTER ONLINE MODE Haga gr Sy CANCEL PRINT JOB COMPLETED Figure 5 14 Print Cancel Mode Lt408 Service Manual 5 16 PN 9001153A DEFAULT SETTING MODE Unit 5 Printer Configuration Figure 5 15 provides the specific sequence of events required by the operator the printer and the printer s software to return the printer to the configuration state as received from the factory Use the keys on the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Lt408 Service Manual DEFAULT MODE PRINTER SETTING ALT PROTOCOL Alt Protocol ENTER Printer Set ENTER DEFAULT DEFAULT PRINTER SETTING ALT PROTOCOL YES NO YES NO i E i P DEFAULT SETTING COMPLETED PLEASE POWER OFF Printer waiting to be powered off Figure 5 15 Default Setting Mode 5 17 PN 9001153A Unit 5 Printer Configuration TEST PRINT MODE Figure 5 16 provides the specific sequence of events required by the operator
81. g element is encoded in each electrical change The baud therefore indicates the number of bits per second bps that are transmitted Assuming asynchronous communication which requires 10 bits per character this translates to 30 characters per second cps For slow rates below 1200 baud the baud can be divided by 10 to see how many characters per second are sent At higher speeds it is possible to encode more than 1 bit in each electrical change Thusly 4800 baud may allow 9600 bits to be sent each second At high data transfer speeds data transmission rates are usually expressed in bits per second bps rather than baud Capable of operating in two directions along the same plane or medium In the case a communication cable or an RFID tag one that transmits as well as receives read and written A numeral system that represents numeric values using two symbols typically 0 and 1 A binary number can be represented by any sequence of bits binary digits which in turn may be represented by any mechanism capable of being in two mutually exclusive states Refers to a single digit in the binary numeral system A bit can either be on or off a 1 or 0 A byte is a collection of eight bits Shows the interconnections between system components by using a pictorial representation of a system and sub systems linked to illustrate their relationships A threaded metal rod with a flanged head that is used with a nut to hold parts toge
82. he MAC address If able configure the appropriate protocols and retest connectivity Use a crossover cable to isolate the printer from the network by connecting from the interface and workstation Verify that the parameters match on each Test connectivity WIRELESS LAN INTERFACE TROUBLESHOOTING STEP __ Ensure the interface module is correctly installed Run self test to verify Check the signal strength by the three LED s on the interface The more LED s are illuminated green the stronger the signal Ensure the printer is receiving information from the computer using the Receive Buffer Hex Dump mode Refer to that procedure within this manual for instructions The command stream should be continuous and possess ODhex and or OAhex carriage return and line feed characters throughout However there should not be either located between the start lt ESC gt A and the stop lt ESC gt Z commands If using TCP IP ensure a valid IP address is specified and that all parameters are correct subnet mask gateway etc Attempt to PING the IP address assigned to the network interface Also ensure the SSID channel and security matches that of the network Install the IPX SPX protocol on a workstation to determine if the network device can be discovered via the MAC address If able configure the appropriate protocols and retest connectivity Replace the interface board with another to isolate the problem Ensure th
83. he desired testing or adjustment function with its relative connector pin Afterward refer to Figure 6 2 to locate the required pins SENSOR SENSITIVITY VALUES VALUES Eye mark Low Level 0 8 VDC minimum High Level Greater than 1 2 VDC Gap Low Level 0 2 VDC to 1 0 VDC High Level 0 8 VDC minimum Ribbon End Refer to Table 6 1 Lt408 Service Manual 6 11 PN 9001153A Unit 6 Troubleshooting TEST PRINT MODES Chapter provides instruction on special printing to identify and resolve specific print problems HEX DUMP Allows the operator to determine if there were problems in the downloading of data TEST LABEL Allows the operator to identify specific problems regarding mechanical performance and setup HEX DUMP MODE The contents of the print buffer can be examined using the Hex Dump Mode In the left column each line of data received is numbered The center column provides the data in hexadecimal format And in the right column same data is provided in the ASC II format Follow the flow chart provided below to perform this activity PASSWORD Displayed if password feature is enabled ONLINE QTY 000000 Sg OFFLINE QTY 000000 Print darkness Cancels print job SELECT DUMP DATA RECEIVE DATA RECEIVE BUFFER INTERNAL DATA Internal Data Receive Data Receive Buffer ENTER ENTER ENTER Hex Hex Dump is Dump is printed printed Figure 6 3 Hex Dump Mode Lt
84. ibe the nominal thickness of wire The higher the gauge Gauge number the smaller the diameter Gear A system of toothed wheels meshed together so that the motion of one is passed on to the others Gigabytes Used to describe data transfer rates or storage capacity of 1 billion bytes Groove An elongated slot cut into an object Radio waves or other electromagnetic radiation resulting from oscillations of electricity in a Hertz conductor Also the measurement of those oscillations A numbering system composed of six letters A F and ten numbers 0 9 used to condense binary numbers A threaded rod having a flanged head that is comprised of six sides a type of hardware used Hex Screw to attach two or more objects Hexidecimal In engineering a recess that does not penetrate completely through as a bore or orifice Term Hole Di may be casually used in lieu of a bore or orifice Horizontal On a level plane ninety degrees from vertical Hertz Radio waves or other electromagnetic radiation resulting from oscillations of electricity afe N in a conductor Also the measurement of those oscillations Icon An image or picture that has a specific meaning I D Filter In RFID software that compares a newly read ID with those in a database or set Idle Gear A toothed wheel that is not directly driven but instead receives motion from another idle Roller A non toothed wheel that is not driven in the case of pri
85. ice Manual 3 14 PN 9001153A Unit 3 Interface Specifications 25 PIN CONNECTOR ASSIGNMENTS DIRECTION LEVEL MAX CURRENT Machine Error Output Low 5V 400mMA Print End PREND Output Low 5V 400mA Input High high impedance Low 15mA or more OV SIGNAL NAME Frame Ground V I Online O Reprint PRIN2 EXT_GND V 24V GND EXT GND Ribbon End Paper End Ribbon Near End Print Start PRIN Input Low High high impedance Low 15mA or more OV 17 lt EXT5V_IN GND Choose from Type I to Type IV for PREND the output signal for Pin 5 PREND will not be output when the command is O in the cutter mode Connect EXT_GND Pins 11 15 to external equipment GND Supply EXT5V_IN Pin 24 5V from the external power supply Input Peripheral device Printer O 5V Open collector Open collector Figure 3 6 Input Output Circuit Diagram Lt408 Service Manual 3 15 PN 9001153A Unit 3 Interface Specifications Figure 3 8 25 Pin Connector Assignments INPUT SIGNAL WAVE FORM START PRINTING Figure 3 9a Completed the print of 1 label PRIN2 Print operation Endof 4 print PREND Figure 3 9b PRINZ Print operation End of print PREND Lt408 Service Manual 3 16 PN 9001153A Unit 3 Interface Specifications OUTPUT SIGNAL WAVE FORM BASIC OPERATION Figure 3 10a Figure 3 10b Figure 3 10c Completed the print of 1 label operation
86. ics interface setup Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen ATTENTION Do not perform the following programming sequence if this is not the interface type to be used Instead refer to the appropriate interface programming flow chart Displayed if password feature is enabled PASSWORD ONLINE QTY 000000 IGNORE CR LF YES NO A i E OFFLINE QTY 000000 LINE ENTER Cancels CANCEL print job ak r CANCEL ag ENTER Advanced Mode RECEIVE BUFFER MULTI 1ITEM INTERFACE BOARD SETTING YES NO 4 CANCEL ENTER Figure 5 7 Centronics Interface Setup Mode Lt408 Service Manual 5 9 PN 9001153A Unit 5 Printer Configuration SERVICE MODE Allows the programming of various dimensional settings sensor thresholds and language options Use the keys of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Displayed if password feature is enabled PASSWORD MAINTENANCE MODE SERVICE MODE FACTORY MODE RIBBON NEAR END PRIORITY SETTING ENABLE DISABLE COMMAND INTERNAL ik SENSOR LEVEL I MARK LEVEL OFFSET XX i CANCEL FUNCTION KEY SET PASSWORD i ENA
87. ides media movement through treading contact with the roller The same configuration rewinds used ribbon material onto a spindle assembly located on the print side of the printer To facilitate removal of the used ribbon material it is wound onto a cardboard sleeve referred to as a core The core is inserted onto the spindle s boss and rotates in unison When rewinding is complete the core is removed along with the used ribbon material and a replacement core is inserted in its place Paper guides within the chassis assembly ensure that the media remains properly positioned beneath the print assembly and is fed unimpeded from the printer s rear through to the front A series of strategically located sensors and switches send signals to the processing unit Some sensors are two part consisting of transmitting and receiving components The transmitting component is mounted opposite of the receiving component so that media may pass between the two When present the media thusly blocks sensor transmission from reaching the receiver The processing unit in turn sends response signals to the various features based on programmed and received data These signals are the controlling force of mechanical activities The print head through thermal heat inductively provided by electrical supply transfers print images onto the media as it passes The print image may be manifested through either a direct process initiated through a chemical reaction to the hea
88. iming belt 10 and pulleys 12 13 and 14 Replace as necessary 10 Perform steps 11 through 20 only if additional components require inspection or replacement Figure 7 5c Ribbon Rewind Spindle Gear Belt Replacement Lt408 Service Manual 7 10 PN 9001153A 11 Unit 7 Replacement Procedures Withdraw ribbon spindle 15 Figure 7 5d from the printer s center wall 16 and remove bearing 17 stopper plate felt 18 and spring 19 12 Perform steps 13 and 14 only if additional components require inspection or replacement 13 14 15 16 17 18 19 20 21 Lt408 Service Manual 7 11 Figure 7 5d Ribbon Rewind Spindle Gear Belt Replacement Remove screw 20 securing end cap 21 and spacers 22 to ribbon spindle assembly 15 Remove screw 23 to withdraw boss 24 spacer 25 disk plate 26 and snap ring 27 from spindle 28 Prepare to reassemble Apply snap ring 27 disk plate 26 spacer 25 and boss 24 respectively to spindle 28 NOTE Ensure all components are oriented as shown in Figure 7 5d when remantling A properly installed boss will be applied to the spindle with its larger diameter end connecting with the disk plate Secure boss 24 to spindle 28 using screw 23 Apply two spacers 22 and end cap 21 to spindle 28 and secure using screw 20 Apply spring 19 stopper plate felt 18 and bearing 17 to spindle assembly 15 NOTE Ensure all components
89. in which maintenance adjustment and repair is not reasonably expected The measurement of length without consideration of other dimensions Print media that does not have a space between each label as does the eye mark and gap type media This media is continuous and is divided based on printer programming An active connection to another document graphic or address By selecting the designated button text graphic or screen location one is taken to the predetermined linked location Meter A unit of measure in the metric system equal to 39 37 inches Megabytes Used to describe data transfer rates or storage capacity of approximately 1 million bytes depending on the manner of compression Millimeter A unit of measure in the metric system equal to 0 03937 1 25 inches In printing a batch of unprinted labels or tags depending on the manner of compression A unit of measure in the metric system equal to 0 03937 1 25 inches In RFID a vehicle equipped with a system for locating tagged vehicles containers and other objects for the purpose of inventory control 9 16 PN 9001153A Unit 9 Appendix A milky white synthetic material used in manufacturing that is purchased in blocks and machined to the desired shape resembles plastic Nylon Material In label printing it is the repositioning distance that the printer must make after advancing the printed label for cutting or dispensing The offset is the distan
90. ive the Z axis is not recognized The state of multiple objects being the same Any fixed quantity measure etc Universal Serial Bus An external peripheral interface standard for communication between a USB Interface i ae Lu computer and external peripherals over a cable using bi serial transmission The quantity for which a symbol stands A plane or axis that is plum the Y axis Voltage The units of electrical force the ampere current that flows through a conductor vet The amount of space occupied in three dimensions cubic contents olume The strength or loudness of sound The amount of electrical power to operate an electrically powered device arrived by Wattage ae multiplying amperage by voltage To diminish in quality by repetitive activity Operates with electromagnetic waves and not with conducting wire Multiple electrical wires bundled together A protocol for controlling the flow of data between computers and other devices on an asychronous serial connection A flat disk of metal rubber etc used to make a seat for the head of a bolt screw or nut X ON X Off For example a computer typically sends data to a printer faster than the printer can print The printer contains a buffer where data is stored until it catches up a small microprocessor in the printer sends back an Xoff signal to stop sending data When enough data is printed and the buffer storage becomes free the printer sends an Xon signal to resume sending
91. lay indicates the number of labels remaining to be printed Displays the operational status of the printer The OFFLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to ONLINE whenever the printer is switched online by pressing the LINE key Is a transitional screen that allows the operator to choose a given direction within the menu map Is the premier screen of the Interface Mode The Interface Mode allows the parameters to be set for the printer to communicate with a host and vise versa Select the YES option if an interface board for bi directional communication will be configured Determines whether the print data code requires deletion Hexadecimal graphic data will not be deleted Select YES to delete all carriage return CR and line feed LF commands in the data stream including graphics and 2D bar codes This feature is used primarily to maintain compatibility with earlier models of SATO printers Allows setting of the sequence of control characters to ensure correct data transference See your Network Administrator to find out which Status number will be used for the control characters being sent to and from the printer Sets a unique static IP Address using the TCP IP Protocol The format of an IP Address is a 32 bit numeric address written as four numbers separated by periods See your Network Administrator for available IP Addresses 5 27 PN 9001153A U
92. le To activate or make able to function Encompass To surround encircle or contain ECC In RFID supplemental bits in a data transfer used in conjunction with a polynominal Error Correcting Code algorithm in order to compute the value of missing or erroneous data bits Example for a 32 bit data transmission seven additional bits are required Relative to RFID a mode of data communication in which missing or erroneous bits are Error Correcting Mode l automatically corrected Error Correcting Protocol Relative to RFID the rules by which the error correcting mode operates In RFID the techniques used to ensure that only correct information is presented to the Error Management i system s user Error Rate In RFID the number of errors per number of transactions In RFID the electronics which drive an antenna When coupled with antenna they are Exciter l collectively referred to as a scanner Also referred to as a transmitter Expansion Port A plug accessing additional 1 0 capability on a computer or peripheral device Print media with a mark on the paper backing between each label for the label sensor to read Eye Mark Media This mark is used by the printer to identify the end of the printed label so that the next up can be properly positioned for printing Lt408 Service Manual 9 14 PN 9001153A Unit 9 Appendix GLOSSARY Relative to RFID the programming of information into a tag occurring as part of the Fac
93. mation refer to the host computer documentation Host biRECTION oaz prer Si SG Signal Ground Bi Directional SG Signal Ground Lt408 Service Manual 3 11 PN 9001153A Unit 3 Interface Specifications RECEIVE BUFFER CONTROL Causes For Receive Buffer Near Full Receive buffer near full occurs when the remaing free space of the buffer drops to 0 95MB of 2 95MB capacity or when the remaining free space is available for storing 50 of 500 items in the history buffer Release Of Receive Buffer Near Full Receive buffer near full can be released when the remaining free space rises to 1 95MB or when the remaining free space is available for storing 200 items in the history buffer STATUSS TIMING CHARTS NORMAL PROCESS Figure 3 5a Power ON Press the LINE k j Printer side Buffer Dear occurred Buffer eT full release ress a ey Press taa LINE key STX tuo Ero STX ETX 3 L 4 EN Printer status Recelving Analysis Editing 1 Editing NOTE 1 ENQ form is as follows STA SOH ENQ ETA an optional item number is in eit 2 Avoid ENG transmission while sending the print data STA ESC A ESC 2 ETX This may cause the return status error or the printer error Figure 3 5b Printer side RO SD Printer status fEditing 2 NOTE 1 CAN form is as follows STA SOH CAN ETA an optional item number is in 2 To send the next data wait approximately 100ms after sen
94. meter Adjust as required Lt408 Service Manual 6 6 PN 9001153A NO PRINTED IMAGE Print head is disconnected No voltage output Defective print head Damaged electronics Interface problems Data input error PRINTER CREATES A BLANK LABEL Data input error Incorrect label sensor selection Disconnected print head Defective print head Defective main circuit board INCORRECT LABEL POSITIONING Incorrect label sensor selection Improper sensor adjustment Data input error Incorrect offset settings Incorrect applicator setup Poor media quality Foreign material on print head and platen roller Foreign material on labels Excessive print head energy Excessive print speed Lt408 Service Manual Unit 6 Troubleshooting TS SMEARED PRINT IMAGES 6 7 PN 9001153A Unit 6 Troubleshooting INTERFACE TROUBLESHOOTING This chapter provides a checklist for the various interface types Locate the checklist relative to the interface used and perform each of the troubleshooting tasks until the problem has been isolated PARALLEL INTERFACE TROUBLESHOOTING STEP Ensure the printer cable is connected to the appropriate LPT port on the host computer If using a Windows printer driver ensure the correct port is selected Ensure a IEEE1284 printer cable is being used Ensure the host s peripheral settings are set to ECP for faster throughput Refer to the computer manufacturer s documentation for de
95. must be reflective of the quantity entered in the preceding screen HIDDEN MODE TABLE 5 11 Used to enable or disable the label out sensor The YES option is enabled and the NO option is disabled LABEL OUT SENSOR YES NO SHIFT CODE YES Lt408 Service Manual Used to enable or disable the Shift Code menu parameters The YES option is enabled and the NO option is disabled Note the YES option must be selected to access the Work Shift Mode menu 5 35 PN 9001153A Unit 5 Printer Configuration DOWNLOAD MODE TABLE 5 12 Confirms the printer is on standby for receiving the upgrade or downgrade of Firmware from the host DOWNLOAD WAITING Downloading progress may be monitored here Entry is not required at this screen Press the CANCEL key located on the operator panel to abort downloading a DOWNLOADING Ae el Displays when the download process is complete Press the ENTER key located on the operator panel to exit DOWNLOAD COMPLETE BOOT DOWNLOAD MODE TABLE 5 13 Confirms the printer is on standby for receiving program data PROGRAM DOWNLOAD READY Downloading progress may be monitored here Entry is not required at this screen PROGRAM Press the CANCEL key located on the operator panel to abort downloading DOWNLOADING Le SR ei Displays when the program download process is complete Press the ENTER key located on the operator panel to exit PROGRAM DOWNLOAD COMPLETED PRESS ENTER
96. n MULTIMETER ALONE Sensor adjustment may be performed by using a multimeter without the assistance of the test module To perform this task the multimeter probes must be attached to the correct connector pins of the test connector Connect the multimeter negative probe to pin 1A and the positive probe to pin 1B Refer to Figure 8 8 for visual assistance Lt408 Service Manual 8 8 PN 9001153A Unit 8 Adjustment Procedures Test Connector Le Test Module Dial Connect ground probe here Connect positive probe here MAIN CIRCUIT BOARD Figure 8 7 Test Module Usage Figure 8 8 Test Connector Lt408 Service Manual 8 9 PN 9001153A Unit 8 Adjustment Procedures GAP SENSOR SENSITIVITY ADJUSTMENT VR2 This sensor adjustment regulates penetrating ability for media referencing Penetration modification is performed via a potentiometer that is part of the potentiometer complex integrated to the main circuit board accessible behind the left housing cover To establish penetration upper and lower voltage levels must be set and the difference between the two voltage levels should be maximized for optimum performance For proper performance the sensor must have a voltage difference greater than 0 8V between high and low If performing the following procedure does not result in acceptable voltage levels clean the window over the sensor s eye If this fails the sensor or the circuit board may require repla
97. nd of an resistive element and a conductor that can be moved between the two ends thus allowing the creation of a resistor or voltage divider Primary Something first in order or importance Print Assembly The sub assembly of a printer that comprise the printing components Potentiometer Lt408 Service Manual 9 17 PN 9001153A GLOSSARY Unit 9 Appendix Print Head Processor Profile Program Proportional Proximity Sensor Pulley Quadrant Radial Radius RAM Ratio Reader Read Write Receive Buffer Receptacle Relay Retain Retract Resistor RF AIS RF DC RFID Lumi N O 00 op D lt O D ie 5 C D The device on a direct thermal or thermal transfer printer containing the heating elements that causes an image to be transferred to print media A programmable device that performs all the instruction logic and mathematical processing in a computer is the brains of the computer The processor is a microchip that is installed on a motherboard primary board that coordinates hardware components Also referred to as CPU A side view of an item To enter or send to the processor the control parameters for electronic equipment to operate To be equal A device that detects and signals the presence of a selected object at or near the sensor s location A toothed wheel for providing movement to a belt One quarter of the circumference of a circle Branching
98. nd snap ring 21 from spindle 22 Lt408 Service Manual 7 13 PN 9001153A 12 13 14 15 16 17 18 Unit 7 Replacement Procedures Figure 7 6b Ribbon Supply spindle amp Torque Limiter Replacement Prepare to reassemble Apply snap ring 21 disk plate 20 spacer 19 and boss 18 consecutively to spindle 22 Secure boss 18 to spindle 22 using screw 17 NOTE Rotate the boss on the spindle to align their respective holes then insert the screw Apply two spacers 16 and end cap 15 to spindle 22 and secure using screw 14 Apply bearing 13 to assembly 11 and insert into center frame 12 NOTE A properly installed bearing will be oriented with its larger diameter facing the disk plate Apply stopper 10 torque limiter 8 to the protruding spindle shaft and secure using screw 7 Insert spring 9 onto torque limiter 8 to rest against stopper 10 NOTE The spring must be properly installed for the backfeed feature to function Each extended end of the spring must be advanced beyond one another and inserted onto the stopper so that its protruding arm is between each one and tension is maintained Refer to Figure 7 6c for guidance Lt408 Service Manual 7 14 PN 9001153A Unit 7 Replacement Procedures Figure 7 6c Spring to Stopper Assembly 19 Apply bearing 5 to bearing bracket 6 and secure the assembly using one screw 4 and three screws 3 respectively 20 Sec
99. ng a multimeter without the assistance of the test module To perform this task the multimeter probes must be attached to the correct connector pins of the test connector Connect the multimeter negative probe to pin 1A and the positive probe to pin 2B Refer to Figure 8 8 for visual assistance Lt408 Service Manual 8 10 PN 9001153A Unit 8 Adjustment Procedures OPERATIONAL ADJUSTMENTS These operational adjustments are for fine tuning the printer as necessary following the configuration process and are largely confined to the four potentiometers located on the operator panel Refer to the table below for their function POTENTIOMETER DESCRIPTION PROCEDURE VOLUME Adjusts the audible decimal level for error indication Power on the printer place on line and open the print head When the beep is emitted adjust the volume level accordingly PITCH Is to be used in conjunction with the configuration adjustments Make course adjustments there and then fine tune here If unable to achieve the desired setting here the course adjustment must be reset Adjust this potentiometer as labels are being printed Allow two labels to be printed for each adjustment to ensure a desired setting Adjustment of the PITCH potentiometer will affect the print offset position OFFSET The offset adjustment is used to reposition the media for printing following advancement for dispensing A label is printed it is fed forward for dispense the printer retracts th
100. nit 5 Printer Configuration LAN INTERFACE MODE TABLE 5 5 Specifies which segment of the network the printer will reside The format of Subnet Mask is a 32 bit numeric address written as four numbers separated by periods See SUBNET MASK your Network Administrator to find out your Subnet Mask 0 0 0 0 Specifies the IP Address of the main router on the host network The format of a Gateway Address is a 32 bit numberic address written as four numbers separated by periods See your Network Administrator to find out your Default Gateway Address Sets the primary layer interface that enables data transfer to and from the printer See you Network Administrator to find out what your default primary port number should be Sets the secondary layer interface that enables data transfer to and from the printer See you Network Administrator to find out what your default secondary port number should be Sets the tertiary layer interface that enables data transfer to and from the printer See you Network Administrator to find out what your default tertiary port number should be Allows 1 byte command such as CAN and DLE code to be deleted Will only appear when the communication protocol is STATUS4 IGNORE CAN DLE YES NO USB INTERFACE MODE TABLE 5 6 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever th
101. nter A Used to determine voltage of components that require between 4 7 and 5 3 VDC to properly function A Used to determine voltage of components that require between 1 7 and 12 9 VDC to properly function A Used to determine voltage of components that require between 3 1 and 3 5 VDC to properly function A Used to determine voltage of components that require 24 0 VDC to properly function Used in conjunction with potentiometer VR1 to set eye mark sensor sensitivity Used in conjunction with potentiometer VR2 to set gap sensor sensitivity Used to test Ribbon End sensor on the feed side RE2 Measurement must be made while the printer is in the Maintenance Mode If an error signal occurs the sensor is functioning properly If an error signal does not occur the sensor must be replaced Used to test Ribbon End sensor on the feed side RE1 Measurement must be made while the printer is in the Maintenance Mode If an error signal occurs the sensor is functioning properly If an error signal does not occur the sensor must be replaced Not applicable to this printer Not applicable to this printer Table 6 1 Test Reference Chart MULTIMETER ALONE Testing of circuitry and sensor adjustment may be performed by using a multimeter without the assistance of the Test Module To perform this task the multimeter probes must be attached to the correct connector pins of the test connector Refer to the Table 6 1 to correlate t
102. nters it is typically used to provide tension on a timing belt Also referred to as tension roller Illuminate To give or emit light In RFID systems that use the inducing of a current in a coil as a means of transferring data or Inductive Coupling power Intermittent Stopping and starting again at intervals In Use Programming The ability to read from and write to an RFID tag while attached to its object Junction A place or point of joining or crossing Kinetic The science dealing with the motion of masses in relation to the forces acting on them Lt408 Service Manual 9 15 PN 9001153A GLOSSARY Unit 9 Appendix Key Keyed Kilo Bytes Knob Knurled Label LAN Interface Latch Lateral LCD LED Lever Laminate Life Linear Linerless Media Link z DJ F amp op D 2 O D lt ab J Z v Media Megabytes Menu Meter Millimeter Module Multimeter Memory Card Memory Modules Mobile Inventory Vehicle The button on a panel that may be pressed to send an electrical signal to influence a predetermined activity A physical object shaped in a manner so as to prevent unwanted movement or to ensure desired movement Kilogram A unit of weight measure within the metric system Used to describe data transfer rates or storage capacity of approximately 1000 bytes A rounded handle to facilitate the manual opening closing securing or otherwise
103. o select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Printer Gi is on standby iting f DOWNLOAD See WAITING download to begin Send data Receiving DOWNLOADING downloaded mg data mM Briefly displays when DOWNLOAD download is COMPLETE complete ENTER Figure 5 12 Download Mode Lt408 Service Manual 5 14 PN 9001153A Unit 5 Printer Configuration BOOT DOWNLOAD MODE This download mode is used when the Firmware becomes corrupted and the normal download mode is not successful Figure 5 13 provides the specific sequence of events required by the operator the printer and the printer s software for downloading program data to the printer Use the key of the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Printer PROGRAM DOWNLOAD is on standby waiting for READY download to begin PROGRAM ivi Receiving DOWNLOADING downloaded eae ees data PROGRAM DOWNLOAD Displays COMPLETED when download is PRESS ENTER complete Figure 5 13 Boot Download Mode Lt408 Service Manual 5 15 PN 9001153A Unit 5 Printer Configuration PRINT CANCEL MODE Figure 5 14 provides the specific sequence of events required by the operator the printer and the printer s so
104. o the damage 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal and installation 3 Disconnect all wiring harnesses from the front side of defective power board 1 Figure 7 10 4 Remove two knurled screws 2 and two screws 3 securing defective power board 1 to the pinter Figure 7 10 Power Board Replacement Lt408 Service Manual 7 20 PN 9001153A Unit 7 Replacement Procedures 5 Lift away defective power board 1 and insert replacement power board 1 in its place NOTE Lift straight upward to remove power board and insert straight downward to install 6 Reconnect all relative wiring harnesses previously disconnected NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection 7 Secure external cover restore power and test print to ensure proper function Lt408 Service Manual 7 21 PN 9001153A Unit 7 Replacement Procedures PANEL LCD BOARD REPLACEMENT Circuit boards generally have long lives due to the lack of moving parts Generally if a circuit board becomes defective it is contributable to a negative external condition If it is determined that the circuit board has become defective search the printer over for possible visual factors tha
105. onfiguration To program software to enable disable or specify how various features will function Devices for joining electrical and electronic circuits through coupling Typically one mating half is a plug male and the other is a socket female Convex A spherical shaped surface one that is curved outward The protruding portion of a die set The core is one of two parts and the cavity being its mating half The core is convexed and the cavity is concaved Closed Systems Connector Core Central Processing Unit A programmable device that performs all the instruction logic and mathematical processing in a computer is the brains of the computer The CPU is a microchip that is installed on a motherboard primary board that coordinates hardware components Also referred to as processor Counter Clockwise To rotate from right to left Couple Two mating halves that are connected example a plug or receptacle CPU Cubic The X Y and Z axis all being equal in size a three dimensional object that is equally proportioned Current The flow or rate of flow of electric force A single revolution of a potentially reoccurring activity in the case of printer one label being Cycle printed O Direct Current Electrical current flowing in a single direction Density The quantity within a given or specific area or unit Deviation A change in course or the measurement of that ch
106. or almost any type of device in which only 1 bit of communication is transmitted at a time Attachment hardware specifically used to secure an object may be moved in a specific position or location Any rod bar or tube 9 19 PN 9001153A Unit 9 Appendix GLOSSARY Simultaneous To take place at the same time Sleeve A thin hollow material that is inserted onto another to provide proportionate spacing A circular clip that may be applied to a shaft etc to prevent another object from moving used Snap Ring to retain objects in position l An item that is not porous Solid An item that is not transparent or translucent Any object of purpose to maintain a specific distance from two other objects example a Spacer sleeve or washer A shaft or rod that is fixed on one or both ends and spins on its axis while maintaining its apnee projection Static Random Access Memory A type of memory that is faster and more reliable than the more common DRAM The term static is derived from the fact that it doesn t need to be refreshed like DRAM Stainless Steel A shiny mirror like carbon steel alloyed with chromium to inhibit rust Metal that contains a specific percentage of carbon The percentage of carbon determines its Steel l n e strength in addition to how prone it is to rust SRAM Stepper Motor An electrical motor designed to rotate in both directions and to move in incremented distances Sub Assem
107. out in equal distances from a common center A straight line from the center of a circle or sphere to its periphery also the measurement of its distance Random Access Memory A network of electrically charged points in which a computer stores quickly accessible data in the form of Os and 1s Each storage or memory cell can be directly accessed if the intersecting row or column is known The quotient of one quantity divided by another of the same kind Relative to RFID a device containing the digital electronics which extract and separate the information from the format definition and error management bits Relative to RFID many applications require that new data or revisions to data already in the tag be entered while it remains on the object Some items with this capability of being re programmable are read write tags memory cards or memory modules An area of temporary data storage to help compensate for differences in the transfer rate and the processing ability of the printer A female connector to which a male connector may be inserted typically for electrical current A simple electro mechanical switch made up of an electromagnet and a set of contacts Relays use a small amount of power to energize things that require a greater amount of energy Sometimes relays are serial connected so that one smaller relay activates a larger relay which in turn activates another larger still and so on until the thing that is de
108. printer s Interface Mode Go to Communication of the Interface Mode to enable setup by either the dipswitches or through the Interface Mode Lt408 Service Manual 3 9 PN 9001153A Unit 3 Interface Specifications LED INDICATOR STATUS INDICATOR Application Layer LPD FTP TELNET BOOTP DHCP NOTE Print data can be sent by LPR and FIP of TCP IP and dedicated socket protocol Printer status is obtainable by dedicated socket protocol NOTE In the TCP IP protocol enviroment LPD and FTP are provided for printing TELNET for variable setup ARP RARP and BOOTP DHCP for address setup LPD protocol complies with RFC1179 and handles the list of logical printer name as queue name such as Ip sjis euc In addition a banner page can be printed by a proper setup When sending the job by LPR the transmission order of data file control file within the job will not affect print operation In addition if the banner page is specified it will be added to each data file Job deletion by LPR is not available FTP protocol complies with RFC959 and handles the list of logical printer name as a transfer directory File transfer to this directory executes print operation It is possible to specify ASCII A Binary I and TENEX L8 as transfer mode although the mode difference is dependent on the client A banner page may be printed with a proper setup TELNET Complies with RFC854 This operation consists of interactive menu form and enables ch
109. re proper printer configuration Ensure media is properly loaded Clean sensor transmit receive surfaces Ensure correct sensor configuration Replace sensor as necessary Clean the print head s contact surface Replace the print head Delete unnecessary data to free up memory space Ensure the data communication settings are correct Data sequence number doesn t match previous data Check send data and communications setting Reinstall print head Ensure proper print head is installed Ensure cover is fully closed Replace cover open sensor PN 9001153A Unit 6 Troubleshooting ERROR ICONS LCD ICONS DESCRIPTION OF ERROR POSITION ON LCD Displayed when detecting Label End Icon 1 Displayed when detecting Ribbon End Icon 1 Displayed when detecting Sensor Error Icon 1 Displayed when detecting Head Open Icon 1 Displayed when head is disconnected Icon 1 Displayed when detecting Communication Error Icon 1 Displayed when detecting Receive Buffer Over Icon 1 Displayed when detecting Item No Error or BCC Error Displayed when having write failure to main ROM Displayed when detecting Calendar Error Displayed when printer error other than above is detected Displayed error number corresponding to various errors fs ol Da Lt408 Service Manual 6 4 PN 9001153A Unit 6 Troubleshooting WARNING SIGNAL TROUBLESHOOTING WARNING DISPLAYS LED WARNING CONDITION LCD DISPLAY DES
110. remove the rear cover and insert the chip into the receptacle located on the main circuit board CAUTION IF USING A TOOL TO REMOVE THE EEPROM CHIP ENSURE THAT IT IS NOT BEING INSERTED BETWEEN THE RECEPTACLE AND THE CIRCUIT BOARD DESTRUCTION OF THE CIRCUIT BOARD WILL OCCUR INSERT THE TOOL BETWEEN THE CHIP AND THE RECEPTICLE WARNING REMOVE POWER AND OBSERVE ALL APPICABLE LOCK OUT TAG OUT PROCEDURES BEFORE REMOVING THE COVER f Rear Cover Da k Screw x2 VA I Figure 4 2 Real Time Clock Installation Lt408 Service Manual 4 3 PN 9001153A PRINTER CONFIGURATION e Printer Configuration e Configuration Modes e Menu Definition Tables Lt408 Service Manua 5 1 PN 9001153A Unit 5 Printer Configuration PRINTER CONFIGURATION This unit provides in depth instruction on printer configuration for operation and for some troubleshooting The printer may be configured via the buttons and or potentiometers located on the printer s operator panel All of the printer s buttons switches and potentiometers are used either singularly or in conjunction to perform configuration activities Refer to the Control Features chapter of the Introduction unit for identification of specific interface features Lt408 Service Manual 5 2 PN 9001153A Unit 5 Printer Configuration CONFIGURATION MODES This chapter provides an overview of the various configuration modes of the operation menu All of the configura
111. revious screen this menu allows the test print type to be selected TEST PRINT MODE N PATTERN Enables the print size to be selected PRINT SIZE SMALL LARGE 4b Initiates test printing activity TEST PRINT PRESS ENTER KEY Lt408 Service Manual 5 34 PN 9001153A Unit 5 Printer Configuration WORK SHIFT MODE TABLE 5 10 ONLINE QTY 000000 SELECT SHIFT 22 637 VEX ENTER SHIFT TIME XX XXK HOW MANY CHR X KX ENTER SHIFT NAME Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As the label job prints the display indicates the number of labels remaining to be printed This screen is used to select the shift that will be configured in the screens to follow Up to 3 shifts can be configured Permits the entry of the begin time of the shift being configured This is in a 24 hour clock format Allows the establishment of the quantity of characters to be used for the Shift Name in the screen to follow The first X depicts the shift number and is based upon what was selected in the Select Shift screen The XX has a valid range of 1 to 16 Allows the entry of the user defined shift name The quantity of characters used
112. rface Will not display if the dipswitch priority option is chosen STOP BIT 1BIT 2BIT Allows selection of the data length for serial interface Will not display if the dipswitch priority option is chosen CHARACTER BIT 7BIT 8BIT Allows selection of the baud rate Will only appear when the RS422 or RS485 interface is installed and the LCD option is chosen from the prior menu BAUDRATE 2400 4800 9600 19200 38400 57600 Allows setting of communication protocol PROTOCOL STATUS5 READY BUSY XON OFF STATUS3 STATUS4 Allows 1 byte command such as CAN and DLE code to be deleted Will only appear when the communication protocol is STATUS4 for overseas specifications IGNORE CAN DLE YES NO Lt408 Service Manual 5 26 PN 9001153A i ONLINE QTY 000000 Sg OFFLINE QTY 000000 ONLINE MODE E a fi O INTERFACE MODE DA E fi D INTERFACE BOARD SETTING MES NO IGNORE CR LF YES NO PROTOCOL STATUS4 STATUS5 IP ADDRESS 0 0 0 0 Lt408 Service Manual Unit 5 Printer Configuration LAN INTERFACE MODE TABLE 5 5 Displays the operational status of the printer The ONLINE status is displayed on the top line and the label quantity status on the bottom The message will be changed to OFFLINE whenever the printer is switched offline by pressing the LINE key When a print job is received the quantity line will indicate the number of labels to be printed As the label job prints the disp
113. rface installed Up to 127 devices may be connected to a USB port using powered hubs ATTENTION This Interface Type Is Not Compatible With Windows 98 Or Windows Me SPECIFICATIONS Printer Connector USB Type B Plug Cable 10 feet 3 m maximum Host Windows 2000 or above with USB Port Power Supply BUS Power through cable Power Consumption 5 V at 80 ma Lt408 Service Manual 3 7 PN 9001153A Unit 3 Interface Specifications LOCAL AREA NETWORK LAN ETHERNET A Local Area Network LAN interface is an optional Plug In Interface Module that can be installed by the user It requires a driver shipped with each printer that has the interface installed The driver that must be loaded onto the host computer and configured to run one of the supported network protocols using a 10Base T or 100Base TX LAN connection Details for loading the LAN driver are contained in the LAN Interface Manual that is shipped with each printer with a LAN Optional interface installed SPECIFICATIONS Protocol Status3 return Protocol for Driver cyclic response mode Protocol for Driver ENQ response mode Status5 return IP Address 0 0 0 0 to 255 255 255 255 Subnet Mask 0 0 0 0 to 255 255 255 255 Gateway Address 0 0 0 0 to 255 255 255 255 DIPSWITCH SETTINGS SWITCH SETTING Reserved setup prohibited LAN board EEPROM initialization configuration Print configuration details on a label Print a self diagmosis of the board onto a label SOFTWAR
114. rity scheme in use must be specified as even or odd Parity is even if there are an even number of 1 bits and odd otherwise None may also be chosen Passive RFID tags that do not contain an internal power source They are externally powered Passive Tags l ae and typically derive their power from the carrier signal radiated from the scanner Personal Computer An electronic computing device that may be individually and independently used or coupled to other similar devices Perforation A series of through holes in a material to facilitate tearing apart At right angles to a given line or plane a vertical line is perpendicular to a horizontal one and Perpendicular Wine genes A black synthetic material used in manufacturing that is purchased in blocks and machined to the desired shape resembles plastic Pinion Gear A smaller gear meshed with a larger one Pitch Physical top of form of media placed under the print head elements in the feed direction Parallel Interface Parity 4 O Phenolic Material A synthetic material typically rigid in nature that is molded to its useful shape Plastic is Plastic typically injection molded along with its color additive and may be of any color chosen Post A pin or shaft to which an object may be tethered or latched A variable resistor used to adjust voltage to affect various mechanical activities This electronic component is comprised of two terminals connected to either e
115. rts through this manual where applicable FEED Advances the label media when pressed Has other special functions as identified in flow charts through this manual where applicable FUNCTION Pressing steps the LCD back to a previous menu Has other special functions as identified in flow charts through this manual where applicable ENTER Used to select a menu option and to advance the menu screen accordingly Has other special functions as identified in flow charts throughout this manual where applicable CANCEL Pressing steps the LCD back to a previous menu Has other special functions as identified in flow charts through this manual where applicable ARROWS Allows the operator to scroll through various menus and menu options Has other special functions as identified in flow charts through this manual where applicable POTENTIOMETERS DEFINITION VOLUME Allows volume control of the printer s audible alarm PITCH For adjusting the pint position OFFSET Adjusts the peel or dispense stop position DARKNESS Adjusts print density resulting in a lighter or darker image Lt408 Service Manual 1 5 PN 9001153A Lt408 Service Manual TECHNICAL DATA Physical Characteristics Power Enviromental Processing Print Media Ribbon Sensing Interface Modules Character Font Capabilities Barcode Capabilities Regulatory Approvals 2 1 PN 9001153A Unit 2 Technical Data PHYSICAL CHARACTERISTICS wat Depth 10 67 Inches 271 mm
116. rvice Manual 3 4 PN 9001153A Unit 3 Interface Specifications X ON X OFF CABLE REQUIREMENTS Communicates with the host to determine if the printer is ready to receive data by sending XON HEX 11H or XOFF HEX 13H code to the TD line The single and multiple item buffers are switchable in the Interface Mode of the printer TD D i G SG Signal Ground Bi Directional SG Signal Ground NOTE Depending on the host used it may be required to loop CS and RS maintaining at high level on the host side For more information refer to the host computer documentation NOTE Refer to the Charts amp Diagrams unit of this manual to view timing charts for Ready Busy and X ON X OFF Lt408 Service Manual 3 5 PN 9001153A Unit 3 Interface Specifications IEEE1284 PARALLEL INTERFACE The parallel interface is a plug in module that can be installed by the user and conforms to lIEEE1284 specifications It automatically detects the IEEE1284 signals and operates in the high speed mode If the IEEE1284 signals are not detected it will operate in the slower standard Centronics mode For this reason an interface cable and host interface conforming to the IEEE1284 specification must be present to fully utilize the speed capabilities This interface also operates bi directionally and can report the status of the printer back to the host SPECIFICATIONS Printer Connector AMP 57 40360 DDK or equivalent Cable Connector AMP 57
117. s operator panel to select and reset those features Allows sensitivity adjustment of the eye mark sensor SENSOR LEVEL I MARK LEVEL OFFSET Allows slice level adjustment of the eye mark sensor SENSOR LEVEL I MARK SLICE LEVEL Allows sensitivity adjustment of the gap sensor SENSOR LEVEL GAP LEVEL OFFSET Allows slice level adjustment of the gap sensor SENSOR LEVEL GAP SLICE LEVEL Select the ENABLE option to set the printer to automatically notify when media supply is nearly exhausted LABEL RE DETECT ENABLE DISABLE i Select the ENABLE option to set the printer to automatically notify when ribbon supply is nearly exhausted RIBBON NEAR END ENABLE DISABLE db Allows the operator to select to use a function key or not If enable is selected the following menu will appear FUNCTION KEY ENABLE DISABLE iF Lt408 Service Manual 5 31 PN 9001153A Unit 5 Printer Configuration SERVICE MODE TABLE 5 8 FUNCTION KEY NONE REPRINT FORWARD BACKFEED DISTANCE DEFAULT XXX MM WEB ACCELERATION FAST NORMAL i F EXT 9PIN SELECT MODE1 MODE2 4k PRIORITY SETTING COMMAND INTERNAL 4k SET PASSWORD ON OFF PASSWORD NO XXXX if COMPATIBLE MODE ON OFF MEDIA LENGTH XXXX MM ife Lt408 Service Manual Allows the option of reprinting a label with key or not Allows the backfeed distance to be set If using thermal transfer for printing set
118. s the integrity of the print head elements when enabled The printer will go into error mode when a malfunctioning printhead element is detected HEAD CHECK ENABLE DISABLE iF This screen will appear if the head check feature has been selected Choose for the head check to be performed unconditionally or only when barcodes are being printed HEAD CHECK Previously printed barcodes should be scanned following an error to determine their NORMAL BARCODE functionality 4b Set this feature to enable or disable the printer s external signal communication port If the port is enabled data can be sent and received using an appropriate device plugged EXTERNAL SIGNAL into the EXT port ENABLE DISABLE i F Appears only if the printer s external signal feature has been enabled to allow selection of the output signal For information on which type to choose refer to this printer s Programming Reference for guidance EXTERNAL SIGNAL TYPE 1 T PE2 TYPE3 TYPE 4 h Lt408 Service Manual 5 22 PN 9001153A Unit 5 Printer Configuration ADVANCED MODE TABLE 5 2 Allows configuration as to whether the reprint function may be activated via the external signal port EXTERNAL REPRINT ENABLE DISABLE 4 The printer can be set to automatically go into the online mode when powered on Otherwise the printer starts in the offline state and must be manually placed online AUTO ONLINE before it is ready to print YE
119. s the operator to choose a given direction within the menu map ONLINE MODE Ce a ti O Is the entrance screen of the User Mode The User Mode allows various print parameters to be set USER MODE Te This screen shows the adjusted value for the potentiometers on the Operator Panel Entry is not required for this screen The values will change as the potentiometers are OFFSET VOLUME adjusted PITCH X XX OFFSET X XX DARKNESS XX Permits the printer s print speed to be established based on inches per second IPS PRINT SPEED Permits the adjustment of the print density Higher print density equates to darker print images PRINT DARKNESS 12 3 4 5 The label pitch is the distance from the leading edge the edge that comes out of the printer first of a label and the leading edge of the next label The position of the label s leading edge can be adjusted relative to the print head in increments of 1mm Once the XX MM position has been set it can be fine adjusted using the PITCH potentiometer PITCH OFFSET 1er Positive digit selection on the display moves the leading edge forward and away from the print head while a negative selection moves the label s leading edge incrementally back into the mechanism Lt408 Service Manual 5 20 PN 9001153A Unit 5 Printer Configuration USER MODE TABLE 5 1 PRINT OFFSET V XXXX H XXXX k ZERO SLASH YES CHARACTER PITCH PROPORTIONAL FIXED ZA
120. sired to be activated is To keep or to hold in place To withdraw the opposite of advance A two terminal electrical or electronic component that resists the flow of current producing a voltage drop between its terminals in accordance with Ohm s law This electrical resistance is equal to the voltage drop across the resistor divided by the current that is flowing through it Radio Frequency Automatic Identification Systems Systems that communicate over a radio link between a host computer and a data source RF DC enhances the capabilities of automatic ID Systems by providing the capabilities of hare wire data communications without the physical restrictions interconnecting wires Radio Frequency Identification A method of identifying unique items using radio waves Typically a reader communicates with a tag which holds digital information in a microchip But there are chipless forms of RFID tags that use material to reflect back a portion of the radio waves beamed at them 9 18 PN 9001153A GLOSSARY Unit 9 Appendix RFID Tags Ribbon Ribbon Core ROM RPM Route SAM SBPL Scale Scanner Screen Seat Secondary SEMBL Sensitivity Sensor Separation Sequential Serial Interface Set Screw Shaft r N O 00 op D lt O D ie 5 D A system of finding the position or location of assets A microchip attached to an antenna that is packaged in a way th
121. stent with those being UNIVERSAL SERIAL BUS USB INTERFACE If nothing prints during a test print verify the device drivers have been successively installed by performing the following Olek on Start setings and en Conte Penei OOOO Glekon System within the new windon SSS O Telckon the Device manager OSS ensue thatthe View Device By type e hei OOOO Scrolio SATO USB Device and ensure that errors do not exist Reinstall as regure O Rebootthe PC and ine pie SSS Contact microsot technical suppor tor turner assistance as eau Lt408 Service Manual 6 8 PN 9001153A Unit 6 Troubleshooting LAN ETHERNET INTERFACE Ensure the interface has been correctly configured Wait two minutes and run self test to verify If a test label does not print there may be a hardware problem Lo Ensure the cable and its ports are not defective Ensure that a faulty print server or other protocol related scenarios are not creating a queue setup issue Systematically perform checks and tests to isolate the cause If using TCP IP ensure a valid IP address is specified and that all parameters are correct subnet mask gateway etc Attempt to PING the IP address assigned to the network interface If using a repeater or hub ensure the SQE is turned off Also ensure the repeater port is not defective by trying the print server on another port Install the IPX SPX protocol on a workstation to determine if the network device can be discovered via t
122. t board Ensure correct communication protocols Check cables cycle printer power and resend Replace board Ensure correct communication parameters Check cables cycle printer and resend Replace board Check and correct communication cables and settings Ensure host system and interface settings match Check and correct communication cables null modem serial cable required Size of received data exceeds size of receiving buffer Establish the correct communication protocol Properly latch the print head Replace the head open switch Ensure media is properly loaded Clean sensor transmit receive surfaces Ensure correct sensor configuration PN 9001153A ERROR 09 Ribbon End Error 10 Sensor Error 11 Head Related Error 18 Item Number Error 20 Head Mismatch Error 25 Cover Open Error Lt408 Service Manual LABEL LED CONDITION LCD DISPLAY On POWER ONLINE RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON POWER ONLINE LABEL RIBBON Unit 6 Troubleshooting ERROR DISPLAYS E RIBBON END SENSOR ERROR 25 i HEAD ERROR CHECK ITEM NO ERROR F Gi fm sn HEAD MISMATCH DESCRIPTION Ensure ribbon stock is properly loaded Ensure ribbon has not been damaged Ensu
123. t from within the label media or transferred from the ink coated ribbon stock Electrical supply of an independent source is mediated through concerted relays and transformers Predetermined voltage supply is required to ensure proper function Cover Open Sensor Potentiometer Access Ribbon Rewind Spindle Ribbon Supply Spindle Print Head Latch Media Guide ww esse TIE Pf rah 2 Feed Roller Pressure Plate Release Knob Label Sensor Adjustment Knob Print Head Release Knob Figure 1 1b Primary Components Lt408 Service Manual 1 4 PN 9001153A Unit 1 Introduction CONTROL FEATURES This chapter identifies the interactive control features of the printer These functions are defined generally here More specific explanations will be found throughout this manual on how to use them FUNCTION une N Q amp ENTER v CANCEL way amp Figure 1 2 Operator Panel OPERATOR PANEL FEATURES POWER Illuminates green when the printer is powered on Terminates when powered off ONLINE Illuminates green when the printer is in an online state Terminates when the printer goes offline LABEL Off Normal state Red Constant When a Label Error has occurred RIBBON Off Normal state Red Flashing Ribbon supply is low Red Constant When a Ribbon Error has occurred KEYS DEFINITION LINE Moves the printer from an online to offline state and vise versa Has other special functions as identified in flow cha
124. t may have led to the damage 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove two knurled screws 1 Figure 7 11a securing board assembly 2 to center frame 3 3 Lift away board assembly 2 and disconnect its relative wiring harness Figure 7 11a Panel LCD Board Replacement 4 Remove four screws 4 Figure 7 11b securing mounting plate 5 to panel cover 6 Lift away plate 5 Figure 7 11b Panel LCD Board Replacement Lt408 Service Manual 7 22 PN 9001153A Unit 7 Replacement Procedures 5 Remove four screws 7 Figure 7 11c securing panel board 8 to panel cover 6 Lift away board 8 6 Detach LCD board 9 from panel board 8 and replace as necessary 10 11 12 Figure 7 11c Panel LCD Board Replacement Attach LCD board 9 to panel board 8 Ensure panel board buttons 10 are properly placed within panel cover 6 Apply panel board 8 to panel cover 6 and secure using four screws 7 NOTE To properly install the panel board insert its right end under the tab on the right end of the panel cover followed by the left end Apply mounting plate 5 Figure 7 11b to panel cover 6 and secure using four screws 4 Reconnect the wiring harness and secure board assembly 2 Figure 7 11a to center frame 3 using two knurled screws 1 Restore power and test print labels to ensure proper function Lt408 Service Manual 7 23 PN 9001153A Unit 7 Repl
125. tails Ensure the printer is receiving information from the computer using the Receive Buffer Hex Dump mode Refer to that procedure within this manual for instructions The command stream should be continuous and possess ODhex and or OAhex carriage return and line feed characters throughout However there should not be either located between the start lt ESC gt A and the stop lt ESC gt Z commands Replace the interface board with another to isolate the problem Replace the interface board permanently if determined to be the problem RS232 SERIAL INTERFACE Ensure the correct interface module is correctly installed Run self test to verify Ensure the serial cable Null Modem meets specifications and is correctly connected at each end Ensure the serial cable is not defective sent from the host computer Ensure the printer is receiving information from the computer using the Receive Buffer Hex Dump mode Refer to that procedure within this manual for instructions The command stream should be continuous and possess 0Dhex and or OAhex carriage return and line feed characters throughout However there should not be either located between the start lt ESC gt A and the stop lt ESC gt Z commands Replace the interface board with another to isolate the problem Replace the interface board permanently if determined to be the problem ne Ensure the communication parameters for the baud rate parity data bits and stop bits are consi
126. ter MULTIMETER WITH TEST MODULE The following procedure provides in depth instruction on troubleshooting the DC power supply voltage If the voltage values measure outside the specified parameters the power board is deemed defective and must be replaced Those relative procedures may be found in the Replacement Procedures unit of his manual 1 Switch off the printer and remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Addendum unit for guidance on cover removal and installation Connect the Test Module to the available test connector on the main circuit board Figure 6 1 Connect the multimeter ground probe to the pin identified as GRD on the Test Module Connect the multimeter positive probe to the pin identified as SIG on the Test Module Switch on the printer and rotate the test module dial to the required position Table 6 1 Record the multimeter values and confirm they are within specified tolerances Table 6 1 Troubleshoot and replace components as directed in their relative procedures Test Connector N O Sb Sy Test Module Dial Connect ground probe here Connect positive probe here MAIN CIRCUIT BOARD Figure 6 1 Test Module Usage Figure 6 2 Test Connector Pin Designation Lt408 Service Manual 6 10 PN 9001153A Unit 6 Troubleshooting TEST REFERENCE CHART MODULE DIAL CONNECTOR PIN FUNCTION Not applicable to this pri
127. the printer and the printer s software for a test label to be printed Test labels are designed to identify failures in configuration adjustment problems and mechanical defects Use the key on the printer s operator panel to select and enter the required options Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen Printer beeps TEST PRINT MODE TEST PRINT MODE CONFIGURATION CONFIGURATION BARCODE TEST PRINT MODE TEST PRINT SIZE Press A or v ENTER BARCODE 10mm Scrolls TEST PRINT MODE options HEAD CHECK TEST PRINT MODE FONT TEST PRINT PRESS ENTER KEY TEST PRINT MODE TEST PRINT SIZE FACTORY LARGE SMALL ENTER Power off to cease printing Figure 5 16 Test Print Mode Lt408 Service Manual 5 18 PN 9001153A Unit 5 Printer Configuration HEX DUMP MODE The contents of the print buffer and the data received before it is placed into the print buffer may be examined through the use of the Hex Dump Mode Each line of the printed data is enumerated in the first column the second column contains the data in hexadecimal format and the right column contains the same data in ASCII format The options of data to be printed are receive data receive buffer and internal data However only one type of data may be printed on a single label Repeat the dump process to print the other data types as desired Use the keys on the printer s operator panel
128. ther A hole in or through something 9 12 PN 9001153A Unit 9 Appendix GLOSSARY Bytes A collection of 8 bits used in the binary system As it relates to RFID the number of bits or bytes that can be programmed into a tag This may Capacity represent the bits accessible to the user or the total number including those reserved to the manufacturer e g parity or control bits Capture Window Field Region of the scanner field in which an RFID tag will operate A recessed area in something In the case of a die set the core is one of two part with the core Cavity Li l being its mating half Circuit A network of wires resistors and other electronic devices over which electrical impulses travel Clockwise To rotate from left to right As it relates to RFID a system in which relevant data regarding the attributes of the object is stored in a common database accessible via data link by referencing the individual ID code Collar A sleeve applied to a rod shaft or pipe to prevent sideward motion Component A single part that may applied to others to form an assembly i An object that is comprised of or layered with two or more materials to achieve a desired Composite dulce Concave A curved recess or hollow the opposite of convex Concentric Multiple items that share a common center example a circle centered within a circle l l The arrangement of parts or components to operate in unison for a specific activity C
129. time span of one minute The path or course taken to get from one location to another example the routing of a cable within a machine Serial Access Memory Stores data as a series of memory cell that can only be accessed sequentially Works very well for memory buffers where data is normally stored in the order in which they will be used SATO Basic Programming Language The units to measure distance or a short tool for measurement To increase or decrease the proportionate size of an object example text or graphics on a printed label An electronic display To nest or couple one object to another The same as to nest The next to follow the primary in sequence or importance In RFID an antennas transmitter and receiver electronics integrated in a single package A SATO specific mode of printer operation that can execute the program of BASIC format in the printer This allows the printer to be configured and operated without interfacing with an external computer or software The degree of ease or difficult to gain a response example a sensor transmitter signal may require increase to penetrate the thickness of print media in order to be receipted by its receiver A device that responds to a physical stimulus and produces and electronic signal The operational distance between two RFID tags One to follow another in a specified order examples 1 2 3 A B C A general purpose interface that can be used f
130. tion activities are performed via the use of the operator panel located on the printer s face However many settings may also be controlled via external software commands In the case of conflict between external software commands and internal software commands control panel settings the printer will always use the last valid setting USER MODE This mode allows configuration of printing features that are prone to change from job to job These are some of the most basic and common adjustments of all of the configuration modes Refer to the Menu Definition Tables in the following chapter to provide an explanation of each menu screen PASSWORD Displayed if password feature is enabled ONLINE QTY 000000 PRINT DARKNESS 123 4 5 CANCEL ENTER Cancels print job PITCH OFFSET XX MM da hi CANCEL si ENTER CANCEL ENTER Advanced Mode PRINT OFFSET Interface V XXXX H XXXX Mode i USER MODE 57 fa a CANCEL CANCEL ENTER Dump X XX Mode X XX XX CHARACTER PITCH ENTER PROPORTIONAL FIXED CANCEL CANCEL ENTER Figure 5 1 User Mode Lt408 Service Manual 5 3 PN 9001153A ADVANCED MODE Unit 5 Printer Configuration The Advanced Mode is provided to make basic printer operational adjustments Typically once these adjustments or settings have been made they will not require additional address unless a new job is downloa
131. tory Programming manufacturing process resulting in a read only tag In RFID programming that usually occurs before the tag is installed on the object to be Field Programming identified enabling the introduction of data relevant to the specifics of the application However the tag would typically have to be removed from its object l In RFID the ability to limit the operations that can be performed on portions of data fields Field Protection stored in a tag Fillet To round off the sharp edges of the angle Flange The projecting rim of an object used to keep another object or objects in place A form of rewritable memory chip that allows multiple memory locations to be erased or written in one programming operation Flash Memory is very high speed and non volatile does not need power to maintain the stored information Its information is stored in an array of floating gate transistors called cells Font A type or style of letter or numeral characters used in written text The number of times a signal executes a complete excursion through its maximum and minimum values and returns to the same value The number of vibration cycles Flash Memory Frequency Print media with a space between each label where only the paper backing exists The Gap Media printer s sensor uses this gap to identify when the printed label ends and to properly position the next label for printing A unit of measurement used to descr
132. ure Poor ribbon tension Adjust tension as required Worn roller Replace as necessary Foreign material on print head and or rollers Clean as required Foreign material on labels Use higher quality media Damaged print head LIGHT PRINT IMAGES Low print head energy darkness Replace print head as required Adjust darkness level Low print head pressure Adjust head pressure and or balance Foreign material on print head Clean print head and rollers Improper head alignment Align print head as required Excessive print speed UNEVEN PRINT DARKNESS Unbalanced print head Reduce print speed setting Adjust head balance Worn rollers Replace rollers as required Dirty print head MEANDERING MEDIA Incorrectly loaded media Clean print head Ensure correct loading Improperly adjusted media guides Adjust as required Unbalanced print head Adjust as required Worn rollers NO LABEL MOVEMENT Loose or broken timing belt Replace as required Replace or adjust as required Incorrect label sensor selected Check printer configuration for proper sensor selection No voltage output Replace fuse Test power supply and replace as required Drive motor not operating LCD FIELD ILLUMINATED BUT WITHOUT WORDS OR NO DISPLAY AT ALL Ensure cable properly connected Check replace power supply Ensure wiring harness connection Replace as necessary Power supply issues Incorrectly positioned display potentio
133. ure main board 1 to the printer using five screws 2 and reconnect all applicable wiring harnesses NOTE Each of the printer s wiring harness connectors are different from all others to ensure proper mating Mate each matching half for connection 21 Secure the exterior cover to the printer restore power and test print NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover installation Lt408 Service Manual 7 15 PN 9001153A Unit 7 Replacement Procedures FAN REPLACEMENT Mechanical and electrical energy generates heat during operational activity The printer s integrated fan exhausts accumilated heat from within the inclosed cabinet to prevent overheating of various components NOTE Figure 7 7 shows the printer s side cover as being removed for display purposes only The side cover does not require removal for this procedure 1 Switch off the printer and follow applicable lockout tagout procedures 2 Remove the exterior cover from the printer s mechanical side NOTE Refer to Figure 9 1a in the Appendix unit for guidance on cover removal and installation 3 Remove two screws 1 Figure 7 7 from mounting bracket 2 securing defective fan 3 to plate 4 4 Withdraw defective fan 3 plate 4 from the printer and disconnect its wiring harness 5 Apply plate 4 to the underside of replacement fan 3 and insert them appropriately under bracket 2 NOTE A properly applied plate will be
134. ye If this fails the sensor or circuit board may require replacement These adjustment activities require the use of a multimeter and may be performed with or without the assistance of the SATO Test Module The test module is a purchase option Refer to the procedure that follows for directions on test module usage and Figure 8 7 for visual assistance 1 Remove the rear and left housing covers NOTE Refer to Figure 9 1 of the Appendix unit for guidance on housing cover removal Adjust the VR1 potentiometer fully counter clock wise Connect the test module to the available test panel Connect the multimeter ground probe to the pin identified as GRD on the test module Connect the multimeter positive probe to the pin identified as SIG Turn the printer on and rotate the test module dial to the 4 position Physically position the label media so it rests over the eye mark sensor CON DO dd FP W N Adjust the VR1 potentiometer until the multimeter displays a value of 1 0V or less 9 Relocate the media so the media s eye mark portion is oriented over the eye mark sensor 10 Regard the multimeter to determine the second measurement is 0 8V greater than the previous 11 Repeat steps 7 through 11 until the required value of 0 8V or greater is achieved 12 Begin normal printing to ensure proper adjustment 13 Replace left and rear housing covers NOTE Refer to Figure 9 1 of the Appendix unit for guidance on housing cover installatio

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