TABLE OF CONTENT 1. FUNDAMENTAL OF THE SYSTEM ................2 1.1. Overview ......................... 2 2. ELECTRONICS ......................7 2.1 Summary of Board Connectors ................7 2.2 Interface Pin Configuration .................. 11 3. MECHANISM ......................13 Remove Covers and the Lower Front Panel ..........13 3.2 Replacing the LCD Panel Module for MU series ..........
1. FUNDAMENTAL OF THE SYSTEM 1.1. Overview Front View For MU series LED indicators LCD display Operation buttons Media view window Paper exit chute Printer cover...
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For MT series LED indicators Touch screen Operation buttons Media view window Paper exit chute Printer cover...
Interior View Print head Prin Prin Print head Ribbon rewind spindle Ribbon release button Print head pressure adjustment knobs Z axis mechanism adjustment knob Ribbon tension adjustment knob Print head release lever Media sensor lock lever Ribbon supply spindle Media guide bar & Rear label guide Prin Label roll guard Print...
Rear View inte inter face External label entrance chute Power cord socket Power switch Ethernet interface * SD card socket USB interface USB host RS-232C interface GPIO interface (Option) Centronics interface Note: The interface picture here is for reference only. Please refer to the product specification for the interfaces availability.
2. ELECTRONICS 2.1 Summary of Board Connectors Main board Connector Description Ethernet RJ-45 connector SD card slot USB device connector USB host connector RS-232C connector Microprocessor GPIO connector Centronics port FPC connector...
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TFT LCD panel FPC connector KEY & LED connector LCD panel connector USB host internal connector (Reserve) I2C internal connector (Reserve) RFID module connector (4” 6pin / 6” or 8” 4pin) Ribbon recover sensor connector (For 4” used only) 1 2 3 Description Voltage Ribbon encoder sensor...
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Description Voltage Head open sensor emitter 1.2~1.4V power pin Logic power 3.3V 0V: Head close Head open sensor receiver 3.3V: Head open Ribbon sensor connector Description Voltage Ribbon sensor receiver A/D: 0~3.3V Ribbon sensor emitter power pin 4.0~4.1V: Emitter on Ribbon sensor emitter 4.3~4.4V: Emitter off Gap sensor connector...
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GPIO with multi-interface board Connector Description Remark GPIO connector GPIO power and control signal connector Centronics port connector Centronics port FPC connector...
2.2 Interface Pin Configuration RS-232C CONFIGURATION +5 V CONFIGURATION Centronics SPP Mode Nibble In/Out Function A low on this line indicates that there are valid data at the host. When this pin is de-asserted, the +ve Strobe clock edge should be used to shift the data into the device.
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Select Extensibility flag Ground No Defined 16-17 Ground Ground No Defined 19-30 Ground Ground No Defined A low set by the device indicates that the reverse Error / Fault data is available 33-35 Ground Ground No Defined Ethernet CONFIGURATION GPIO...
3. MECHANISM 3.1 Remove Covers and the Lower Front Panel 1. Remove two screws on rear of printer. Screws 2. Open printer right side cover and remove two screws then close the cover. Screws 3. Push the printer left side electronics cover toward the interface direction then take it out from the printer.
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Electronics cover 4. Remove 3 screws from each hinge. Be careful the right side cover may fall out from the printer. Take out the right side cover from the printer. Screws 5. Reassemble the parts in the reverse procedures.
3.2 Replacing the LCD Panel Module for MU series 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect harness from the LCD panel module. 3. Push two tabs to remove/replace the LCD panel module. 4. Remove five screws to remove/replace LCD panel PCB ASS’Y and LCD panel ASS’Y. 5.
3.3 Replacing the Touch Panel Module for MT series 1. Refer to section 3.1 to remove the electronics cover. 2. Remove 1 screw to release ground cable. Loose the connector lock to disconnect the flat cable from panel module carefully. 3.
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4. Reassemble the parts in the reverse procedures. If the flat cable on panel module is difficult to connect back, please remove it on main board and loose 2 cable ties to install.
3.3 Replacing the Power Supply Unit 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect all connectors on the power supply unit. 3. Remove 2 screws and 2 cable ties. ---- Connector ---- Screw 4. Remove/Replace the power supply unit. 5.
3.4 Replacing Multi-interface Board 1. Refer to section 3.1 to remove the electronics cover. 2. Remove 2 screws. Disconnect 1 flat cable. Remove/Replace the multi-interface board. Screws 3. Reassemble the parts in the reverse procedures.
3.5 Replacing the Main Board 1. Refer to section 3.4 to remove the multi-interface board. 2. Remove 4 screws then take off the interface bracket. 2. Remove 2 screws and 2 copper pillars on the main board. Disconnect all connectors from the main board.
3.6 Replacing the Platen Roller Assembly 1. Open printer right side cover. 2. Disengage print head lift lever. 3. Remove 2 screws to remove lower front panel. Screws 4. Remove 2 screws on the platen holder. Screws 5. Take out the platen holder, platen roller assembly and replace a new platen roller assembly.
3.7 Replacing the Stepping Motor 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect the stepping motor connector. Remove 2 screws on the stepping motor. Screws 3. Remove/Replace the stepping motor. 4. Reassemble the parts in the reverse procedures.
3.8 Replacing the Print head ASS’Y 1. Open the printer right side cover. 2. Turn the two print head pressure adjustment knobs counterclockwise to lowest index to minimize the pressure applied to the print head. 3. Disengage print head release lever. 4.
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8. Check the print head has been totally closed to the print mechanism before secure the print head by the previously removed thumbscrew. 9. Reassemble the parts in the reverse procedures. Note: Please use the come with new print head screw to replace the print head assembly.
3.9 Replacing the Gap/Black Mark Sensor Module 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect the gap/black mark sensor connector on the main board. 3. Open the printer right side cover. 4. Unlock the media sensor lock lever. 5.
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4. Pull the media sensor module and the label/paper and pull the media sensor module out of the latch of the sensor module to the mechanism. 6. Replacing the gap/black mark sensor is pushing the gap/back mark sensor that is reassembling the parts in the reverse procedures but using the piece of label/paper is not necessary.
3.10 Replacing the Ribbon Rewind Spindle 1. Refer to section 3.1 to remove the electronics cover. 2. Remove 1 E-ring. E-ring 3. Remove the ribbon rewind spindle gear. Ribbon rewind spindle gear 4. Remove the E-ring that fixes the spindle at the mechanism. E-ring 5.
3.11 Cutter Module Installation (Option) 1. Open the printer right side cover. 2. Remove 2 screws to remove lower front panel. 3. Plug the cutter mini DIN cable connector into the cutter/peel-off module connector. The triangle mark on the connector must be at the upper side. 4.
3.12 Peel-off Kit Installation (Option) Peel-off kit parts list 1. Refer to section 3.1 to remove the electronics cover. 2. Fasten the screw#2 to fix the gear#1. Gear#1 position Screw#2...
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3. Fasten the screw#2 to fix the gear#2. Gear#2 position 4. Put the bearing into the internal rewind hole. Internal rewind Bearing hole (Left side) 5. Open the printer right side cover. 6. Remove the dustproof cover from the internal rewind hole and put the bearing into it. Internal rewind Bearing hole (Right side)
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8. Use the E-ring driver and hammer to fix the internal rewind by E-ring. *How to assemble e-ring? a. Put E-ring into E-ring driver. b. Put the E-ring on roller niche. c. Use hammer to fix e-ring and roller.
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9. Insert the gear (with spring) into the spindle and fix it with E-ring. Install back the electronics cover. Gear with E-ring spring 10. Remove 2 screws to remove lower front panel. 11. Plug the peel-off mini DIN cable connector into the cutter/peel-off connector. The triangle mark on the connector must be at the upper side.
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14. Close the peel-off module cover. PUSH PUSH...
3.13 Internal Rewinding Kit Installation (Option) Internal rewinding kit parts list 1. Refer to section 3.1 to remove the electronics cover. 2. Fasten the screw#2 to fix the gear#1. Gear#1 position Screw#2...
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3. Fasten the screw#2 to fix the gear#2. Gear#2 position 4. Put the bearing into the internal rewind hole. Internal rewind Bearing hole (Left side) 5. Open the printer right side cover. 6. Remove the dustproof cover from the internal rewind hole and put the bearing into it. Internal rewind Bearing hole (Right side)
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8. Use the E-ring driver and hammer to fix the internal rewind by E-ring. (Please refer to the section 3.13 for “How to assemble e-ring?”) 9. Insert the gear (with spring) into the spindle and fix it with E-ring. Gear with E-ring spring 10.
3.14 Replacing the Cutter Driver IC Board (Option) 1. Remove 4 screws on cutter cover. 2. Disconnect 1 connector on the cutter driver IC board. Remove 2 screws to replace the cutter driver IC board. 6. Reassemble the parts in the reverse procedures.
4. TROUBLESHOOTING 4.1 Common Problems The following guide lists the most common problems that might be encountered when operating this bar code printer. If the printer still does not function after all suggested solutions have been invoked, please contact the Customer Service Department of your purchased reseller or distributor for assistance.
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* Re-connect cable to interface. * If using serial cable, - Please replace the cable with pin to pin connected. - Check the baud rate setting. The default baud rate setting of printer is 9600,n,8,1. * If using the Ethernet cable, - Check if the Ethernet RJ-45 connector green LED is lit on..
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* Reload the supply. * Clean the printhead. * Clean the platen roller. * Adjust the print density and print speed. * Run printer self-test and check the print head test pattern if there is dot missing in the pattern. * Change proper ribbon or proper label media.
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* Calibrate the sensor sensitivity again. * Set the correct label size and gap size. * Press [MENU] [SELECT] x3[DOWN]x6 [SELECT] to fine tune the parameter of Shift Y. * If using the software BarTender, please set the vertical offset in the driver.
4.2 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles This printer has been fully tested before delivery. There should be no ribbon wrinkle presented on the media for general-purpose printing application. Ribbon wrinkle is related to the media thickness, print head pressure balance, ribbon film characteristics, print darkness setting…etc.
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Adjust the print head pressure adjustment knob Adjust the print head pressure adjustment knob Left knob Right knob Right knob Left knob The print head pressure adjustment knob has 5 The print head pressure adjustment knob has 5 levels of settings. Clockwise direction adjustment levels of settings.
4.3 Adjustment Knob 4.3.1 Print head Pressure Adjustment Knob Print head pressure adjustment knobs The print head pressure adjustment knob has 5 levels of adjustment. Because the printer’s paper alignment is to the left side of mechanism, different media widths require different pressure to print correctly.
4.3.2 Print Head Burn Line Adjustment Knob Print head burn line adjustment knobs The print head burn line adjustment knobs are used to fine tune the print quality for different thickness of media. Turning the knobs adjusts the print head’s burn line forward or backward as it relates to the platen roller.
5. MAINTENANCE This session presents the clean tools and methods to maintain your printer. Please use one of following material to clean the printer. Cotton swab (Head cleaner pen) Lint-free cloth Vacuum / Blower brush 100% ethanol 2.
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Wipe it with water-dampened As needed Exterior cloth Interior Brush or vacuum As needed Note: Do not touch printer head by hand. If you touch it careless, please use ethanol to clean Please use 100% Ethenol. DO NOT use medical alcohol, which may damage the printer head.
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