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1. 07 02 Rev 2 16 00 SERVICE MANUAL Seite Page 1 AP 3 4 Service Installing Optional Parts 2 Cutter Installation o ooo 2 Dispenser Installation 4 Printhead Replacement 6 Operational Theorem oo WoWo Wo 8 System block diagram 8 Panel board diagram and description 10 Sensor board diagram and description 10 ATG UA ee 11 Firmware upgrading oo 12 Upgrade Utility and Diskette 12 Procedure to change the PPLA 12 Procedure to change the PPLB 13 Verification oooooooW Woman 13 BEN O ee ane 13 07 02 Rev 2 16 00 SERVICE MANUAL Service page 2 AP 3 4 Installing Optional Parts IN The printer electronics are sus ceptible to static discharge Wear an anti static wrist and attach it to the printer chassis Cutter Installation 1 Turn off the power switch 2 Remove the top cover 1 Unscrew both screws 3 and remove the middle cover 2 Fig 1 IP Pull the front part arrow of the middle cover when removing it 3 Remove the E ring I gear 27 and release the screw F Fig 3 4 Remove the bracket peeler 71 from the module Fig 3 5 Secure two attached screws B for the cable connector Fig 4 6 Add a baby board to JP29 on the main board 7 Plug the cable connector into JP13 and make sure ju
2. diagram and description The Panel board consists of three push bottom switches and three LED indi cators for user s access status and error indication 5V O READY NV NIZ RIBBON NY Main Board JP10 FEED PAUSE CANCEL Fig 6 Panel board diagram Sensor board diagram and description The circuit of all the sensor board Media sensor board Ribbon sensor board and Peeler board are identical A reflective sensor are used for these pur poses Fig 7 Sensor board diagram 07 02 Rev 2 16 00 SERVICE MANUAL Service page 11 AP 3 4 Wiring diagram Main Board Switching Power Media Ribbon Connect sensor Sensor Sensor Board JP1 Peeler sensor Board Fig 8 Main board wiring diagram 07 02 Rev 2 16 00 SERVICE MANUAL Service page 12 AP 3 4 Firmware upgrading There are two ways to upgrade the firmware or change the emulation from PPLA to PPLB or PPLB to PPLA 1 Burn flash ROMs for U8 and U9 Iii The flash ROM type must be MX 29F040 Each file flash ROM size is 512K bytes 2 Run the printer utility to upgrade firmware version I When update utility unsuccessfully flash ROM U8 and U9 must be burn with proper firmware by EPROM programmer Upgrade Utility and Diskette This diskette ZIP file contains the related files and data that you may change or upgrade the firmware The AP 3 4 basically can run 2 emulation PPLA DPL or PPLB EPL2 emu lation It depends on which emulation is
3. U8 U9 There are two 512K bytes FLASH on the main board to store the program character and bar code fonts U10 A sixteen mega bits DRAM is selected as the medium of storage for the printing image In order to have fast access to the memory 16 bits data bus width is selected U7 There are some parameters which are stored in EEPROM for printing communication ribbon and media detection and special controls U1 U2 Through these drivers the control and data signals are feed to print head for image printing U2 In order to prevent the cutter from stuck Relay function cutter baby board will be handle the cutter stop position Driver receiver U4 To convert the serial port signal to from micro controller to RS232 voltage level a RS232 driver receiver with integral charge pump circuit is used Interface U11 U13 U19 Through these interface all the data come from the host controller are latched then read by the Micro controller U20 L1 D2 To convert the 24 V input power to 5 V to be used as the power supply for micro controller EPROM DRAM etc RY2 To prevent the printhead from being damaged by the unstable power condition when the printer is switched on RY2 disconnected the power sup ply 24V to the printhead RY2 has to be activated before printing JP11 This slot is designate for the connection of all the optional extension modules 07 02 Rev 2 16 00 SERVICE MANUAL Service page 10 AP 3 4 Panel board
4. burned on the on board flash memory Before changing the firmware decompress the file first C gt MD ARGX C gt CD ARGX C ARGX gt COPY A README TXT C ARGX gt A PKUNZIP A FW ZIP Ron Procedure to change the PPLA DPL emulation N Im It is prohibited to run under Windows DOS II It is very important that Do Not Turn Off the printer during changing the firm ware till update complete is present Otherwise unpredictable results may occur 1 Turn on the printer and wait for 3 seconds 2 Set PC to MS DOS exit from Windows 3 C ARGX gt PPLA 4 When update complete message is displayed on the screen turn off the power until all the LEDs go OFF then turn on the printer again 5 When update successfully please reset the printer Press CANCEL RESET while turning on the printer 6 When RESTART PRINTER is displayed on the LCD and or PC turn off the power until all the LED go OFF then turn on the printer again 07 02 Rev 2 16 00 A I gt II SERVICE MANUAL Service page 13 AP 3 4 Procedure to change the PPLB EPL2 emulation It is prohibited to run under Windows DOS It is very important that Do Not Turn Off the printer during changing the firm ware till update complete is present Otherwise unpredictable results may occur Turn on the printer and wait for 3 seconds 2 Set PC to MS DOS exit from Windows 3 C ARGX gt PPLB MIL _ Pe a a When update complete mes
5. mper JP1 position is 2 3 8 Click back the middle cover 9 Click back the top cover 07 02 Rev 2 16 00 SERVICE MANUAL Service page 3 AP 3 4 10 Secure two attached screws M for the cutter Fig 1 11 Plug the cutter cable into external con nector Fig 1 CUTTER CABLI Install the media and the ribbon after the cutter is properly installed 1 Put the media end on the roller mg 2 Close the printer module 3 Turn on the printer CR CONNECT 4 Press the FEED button to let the media end go through the cutter 07 02 Rev 2 16 00 Installation ai 6 7 8 9 SERVICE MANUAL Service page 4 AP 3 4 Dispenser Installation LAB Fig 1 Installing the dispenser Turn off the power switch Remove the top cover and middle cover See paragraph Cutter Installation on page 2 Remove gear 27 and 31 Plug spring peeler 83 into the right hole on chassis 2 and lock screw F up Put shaft peeler 86 and peeler switch 88 into shaft peeler 87 and then insert it in hole on right side Guide peeler switch 85 go through shaft peeler 87 Hook spring peeler 83 on the circle notch of shaft peeler 87 Put spring peeler 84 into the left hole of chas
6. nd Fig 4 IMA It is also possible to replace the printhead without remove the print head module Fig 3 Removing the printhead steps 1 and 2 1 Release the screw E and 44 see Fig 3 2 Remove the shaft 59 from the module see Fig 3 07 02 Rev 2 16 00 SERVICE MANUAL Service page 7 AP 3 4 3 Release the screw E and A see Fig 4 4 Remove the print head cable from the print head see Fig 4 5 Remove the print head 56 from the bracket 55 see Fig 4 amp Fig 4 Removing the printhead steps 3 to 5 07 02 Rev 2 16 00 SERVICE MANUAL Service page 8 AP 3 4 Operational Theorem Main board Panel board Ribbon sensor Media sensor Printhead Motor Peeler Sensor Cutter assembly Switching Power supply System block diagram Panel Board Main Board _ Ribbon sensor Peeler sensor Cutter Paraller Port Serial Port Paper sensor Roller Switching Power 90 250 VAC Fig 5 AP 3 4 System Block Diagram A four layers PCBA consists of a micro controller EPROMs EEPROM DRAM components required for the printing functions A one layers PCBA consist of a three push button switches three LED indi cators for user s access status and error indication A two layer PCBA consis
7. o controller 9 D Motor 8 DC DC converter 9 P Diagram Panel board 8 Panel board block diagram 70 Peeler Sensor 8 Sensor board block diagram 70 PPLA changing the 12 System block diagram 8 PPLB changing the 13 Wiring diagram 77 Printhead 8 DPL emulation 72 Printhead driver 9 DRAM 9 Printhead replacement 6 E R EEPROM 9 Relay 9 EPL2 emulation 73 Replacing the printhead 6 EPROM files 73 Ribbon sensor 8 Extension slot 9 RS232 9 F S Firmware upgrading 72 Sensor calibration 5 FLASH memory 9 Switching Power supply 8 Flash ROM 72 U H Upgrade Utility 72 Host controller 9 V Verification firmware upgrading 13
8. sage is displayed on the screen turn off the power until all the LEDs go OFF then turn on the printer again When update successfully please reset the printer Press CANCEL RESET while turning on the printer If the whole procedure can not be completed within 3 minutes or Printer Time Out happens rerun all procedure That is for example Write fault error writing device LPT1 Abort Retry Ignore Fail You just type lt Ctrl C gt and then Y to terminate the procedure Printer Turn off and turn on the printer PC abort the transmission and type PPLA or PPLB Verification To confirm that you had successfully changed the firmware you just check the self configuration printout Turn off the printer until all the LED go OFF Press the FEED button and turn on the printer When the motor starts rotation release the button Check the version code and date code also the checksum code must be 0000 EPROM files The binary files for U8 and U9 can be generated by following procedures EPROM PPLA This command will generate PPLAU8 BIN and PPLAU9 BIN EPROM PPLB This command will generate PPLBU8 BIN and PPLBU9 BIN These binary files is used for burning the flash ROMs on the EPROM flash memory programmer 07 02 Rev 2 16 00 SERVICE MANUAL Service page 14 AP 3 4 Index C Calibrating sensor 5 Installation 4 Centronics 9 M Cutter assembly 8 Main board 8 Cutter driver 9 Media sensor 8 Cutter Installation 2 Micr
9. sis 2 and lock screw F up Put peeler switch 89 into shaft peeler 87 10 Hook spring peeler 84 on the circle notch of shaft peeler 87 11 Put back gear 27 and gear 31 12 Mount the cable into chassis 2 and plug the other side into the label on the main board 07 02 Rev 2 16 00 SERVICE MANUAL Service page 5 AP 3 4 13 Close the middle cover 14 Plug the peeler sensor into the cable on middle cover 15 Put peeler cover on the front of middle cover see Fig 2 J PEELER COVER of Fig 2 Putting back the peeler cover Sensor calibration If the dispenser sensor is fail to detect label to calibrate the sensor is requi red There are two commands for this purpose Command ASCII Remark Command O lt ESC gt RO 1BH 24H 52H 30H Set sensor without label Command 1 lt ESC gt R1 1BH 24H 52H 31H Set sensor with label Tab 1 Sensor calibration commands 1 Put the label away from the sensor send command 0 and wait for 2 more seconds 2 Put a label under the sensor 10 mm below hold it send command 1 and wait for 2 more seconds 07 02 Rev 2 16 00 SERVICE MANUAL Service page 6 AP 3 4 Printhead Replacement IN The printer electronics are susceptible to static discharge Wear an anti static wrist and attach it to the printer chassis Toreplace the printhead please follow the procedure as shown on Fig 3 a
10. t of a reflective type object sensor designate for rib bon detection A two layer PCBA consist of a reflective type object sensor designate for media gap detection There are 864 heat elements consist in the printhead Each heat element can be turn on off Individually A Bipolar Hybrid Stepping Motor Is Used For Carrying Label And Ribbon During Printing Option An two layer PCBA consist of a reflective type object sensor desi gnate to detect the printed label is removed or still exist Option Consisting of a DC motor a switch gears and a rotary cutter It is used for cutting the printed label automatically The switching Power supply converts the input power 90 VAC to 250 VAC to 24 VDC A 5 Amps fuse is also included in the power supply for over cur rent protection 07 02 Rev 2 16 00 Host controller Micro controller FLASH memory DRAM EEPROM Printhead driver Cutter driver RS232 Centronics DC DC converter Relay Extension slot SERVICE MANUAL AP 3 4 Service page 9 An equipment which can send the printing command to printer through RS232 serial port or Centronics parallel port Usually a PC is connected U6 A HITACHI 32 bit RISC processor is selected as the controller for this printer The rich on chip functions such as Integrated timer DMA controller A D convert Serial communication interface Pattern generator and I O ports make the printer high performance and compact size

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