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TTP-286MT/ TTP-384MT Series 

SERVICE 

MANUAL 

THERMAL TRANSFER / DIRECT THERMAL 
BAR CODE PRINTER 

Summary of Contents for TTP-286MT Series

Page 1: ...TTP 286MT TTP 384MT Series SERVICE MANUAL THERMAL TRANSFER DIRECT THERMAL BAR CODE PRINTER ...

Page 2: ...y Unit 16 3 4 Replacing Multi interface Board 17 3 5 Replacing the Main Board 18 3 6 Replacing the Platen Roller Assembly 19 3 7 Replacing the Stepping Motor 20 3 8 Replacing the Printhead ASS Y 21 3 9 Replacing the Gap and Black mark Sensor Module 23 3 10 Replacing the DC Motor 24 3 11 Installing the Cutter Module 25 3 12 Replacing the Cutter Driver IC Board 27 4 TROUBLESHOOTING 29 4 1 Common Pro...

Page 3: ...F THE SYSTEM 1 1 Overview Front View 1 LED indicators 2 Touch screen 3 Operation buttons 4 Media viewer 5 Paper exit chute 6 Printer right side cover opener 2 1 3 P o w e r L E D i n d i c a t o r 4 5 6 Pr in t h e a d ...

Page 4: ...er 5 Label roll guards 6 Label supply spindle 7 Media guide bar 8 Black mark sensor 9 Print head 10 Ribbon sensor 11 Gap sensor 12 Platen roller 13 Label guide 14 Fixed screw 2 1 3 P o w e r L E D i n d i c a t o r 4 13 7 Pr in t h e a d 5 8 Pr in t h e a d 9 Pr in t h e a d 10 Prin t hea d 11 Pri nt hea d 12 Prin t hea d 6 14 ...

Page 5: ...4 Ethernet interface 5 SD card socket 6 USB interface 7 USB host 8 RS 232C interface 9 GPIO interface Option 10 Centronics interface Note The interface picture here is for reference only Please refer to the product specification for the interfaces availability 1 3 2 4 7 6 5 8 9 10 ...

Page 6: ...ass 10 32G Scandisk Micro SD V2 0 Class 4 4G Transcend V2 0 Class 4 8G Transcend V3 0 Class 10 UHS I 16G Transcend V3 0 Class 10 UHS I 32G Transcend V3 0 Class 10 16G Kingston V2 0 Class 4 16G Scandisk V3 0 Class 10 UHS I 16G Scandisk The DOS FAT file system is supported for the SD card Folders files stored in the SD card should be in the 8 3 filename format The miniSD microSD card to SD card slot...

Page 7: ...ectors Main board Connector Description 1 Ethernet RJ 45 connector 2 SD card slot 3 USB device connector 4 USB host connector 5 RS 232C connector 6 Microprocessor 7 GPIO connector 2 3 5 10 6 12 11 20 19 16 17 4 1 7 18 21 22 23 24 25 14 15 9 8 13 ...

Page 8: ...r pin 4 0 4 15V 2 Ribbon encoder sensor receiver A D 0 3 3V 3 GND 0V 4 DC motor signal pin 5 DC motor signal pin 15 Ribbon supply sensor connector For 6 8 used only Red Pin Description Voltage 1 Ribbon encoder sensor emitter power pin 4 0 4 15V 2 Ribbon encoder sensor receiver A D 0 3 3V 3 GND 0V 4 DC motor signal pin 5 DC motor signal pin 16 Power supply output 24V DC connector 17 Stepping motor ...

Page 9: ...D 0V 8 Cutter power 24V 9 I2C SCL signal 10 I2C SDA signal 21 Head open sensor connector Pin Description Voltage 1 Head open sensor emitter power pin 1 2 1 4V 2 GND 0V 3 Logic power 3 3V 4 Head open sensor receiver 0V Head close 3 3V Head open 22 Ribbon sensor connector Pin Description Voltage 1 Ribbon sensor receiver A D 0 3 3V 2 Ribbon sensor emitter power pin 5V 3 GND 0V 4 Ribbon sensor emitter...

Page 10: ...ctor Pin Description Voltage 1 Power 5V 2 Gap sensor emitter 4 0 4 1V Emitter on 4 3 4 4V Emitter off 3 Black mark sensor emitter 4 0 4 1V Emitter on 4 3 4 4V Emitter off 4 Gap and black mark sensor receiver A D 0 3 3V 5 GND 0V 25 Rewind connector Pin Description Voltage 1 Power 24V 2 Cutter direction signal 3 Cutter enable signal 4 Cutter position sensor switch signal 5 GND 0V 5 4 3 2 1 5 4 3 2 1...

Page 11: ...9 9 GPIO with multi interface board Connector Description Remark 1 GPIO connector 2 GPIO power and control signal connector 3 Centronics port connector 4 Centronics port FPC connector 2 1 4 3 ...

Page 12: ...ed the ve clock edge should be used to shift the data into the device 2 9 Data 0 7 N A In Data Bus Single directional 10 Ack N A Out A low on this line indicates that there are valid data at the Device When this pin is de asserted the ve clock edge should be used to shift the data into the host 11 Busy N A Out When in reverse direction a high indicates data while a low indicates a command cycle In...

Page 13: ... A GND Ground 18 No Defined N A N A 19 30 Ground N A GND Ground 31 No Defined N A N A 32 Error Fault N A Out A low set by the device indicates that the reverse data is available 33 35 Ground N A GND Ground 36 No Defined N A N A Ethernet PIN CONFIGURATION 1 Tx 2 Tx 3 Rx 4 N C 5 N C 6 Rx 7 N C 8 N C GPIO ...

Page 14: ...12 12 3 MECHANISM 3 1 Remove Covers 1 Remove 4 screws from printer 2 Open printer right side cover and remove 2 screws then close the cover 3 Remove the electronics cover Screws Screws Electronics cover ...

Page 15: ...move 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 5 Reassemble the parts in the reverse procedures Screws Right side cover ...

Page 16: ...ing the LCD Panel Module 1 Refer to section 3 1 to remove the electronics cover 2 Remove 2 screws on the module bracket 3 Push the tab to remove the LCD panel module 4 Remove 4 screws to remove the module bracket PUSH ...

Page 17: ...15 15 5 Disconnect 3 harnesses to replace the LCD panel module 6 Reassemble the parts in the reverse procedures ...

Page 18: ...er Supply Unit 1 Refer to section 3 1 to remove the electronics cover 2 Disconnect 2 connectors and remove 2 screws on the power supply unit 3 Replace the power supply unit 4 Reassemble the parts in the reverse procedures Screws ...

Page 19: ...terface Board 1 Refer to section 3 1 to remove the electronics cover 2 Remove 2 screws from multi interface board Disconnect 2 connectors 3 Replace the multi interface board 4 Reassemble the parts in the reverse procedures Screws ...

Page 20: ...e electronics cover and multi interface board 2 Remove 4 screws to take off the interface plate 2 Disconnect all connectors from the main board Remove 2 copper pillars and 2 screws 4 Replace the main board 5 Reassemble the parts in the reverse procedures Copper pillars Screws ...

Page 21: ...int head lift lever 3 Remove the cutter module or lower front panel 4 Remove 4 screws from the platen holder 5 Take out the platen holder platen roller assembly and replace a new platen roller assembly 6 Reassemble the parts in the reverse procedures Screws Platen roller assembly Holder Screws ...

Page 22: ...ping 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 3 Replace the stepping motor 4 Reassemble the parts in the reverse procedures Screws ...

Page 23: ...e Printhead ASS Y 1 Open the printer right side cover 2 Disengage printhead release lever 3 Remove 2 screws from the mechanism 4 Carefully disconnect 3 connectors from the printhead ASS Y 5 Replace the printhead ASS Y Screws ...

Page 24: ...carefully slide assembly into the print mechanism The holes of printhead assembly must align and then insert the tenons of print mechanism 7 Reassemble the parts in the reverse procedures Printhead ASS Y Printhead ASS Y Tenons Print mechanism ...

Page 25: ...remove electronics cover and multi interface board 4 Disconnect the gap and black mark sensor connectors from the main board 5 Remove 5 screws to take off the lower printhead mechanism 6 Replace the sensor module 7 Reassemble the parts in the reverse procedures Black mark sensor module connector Gap sensor module connector Screws Screws Lower printhead mechanism ...

Page 26: ...lectronics cover 2 Disconnect the DC motor connectors from the main board 3 Remove 7 screws at the DC motor fixing plate and sensor modules 4 Remove the DC motors by removing the 6 screws 5 Replace the DC motors 6 Reassemble the parts in the reverse procedures Screws Screws ...

Page 27: ...DIN cable connector into the cutter connector The arrow mark on the connector must be at the upper side 5 Attach the cutter module to the front of the platen roller Align the cutter bracket screw holes to the screw holes that fix the lower front panel Make sure the two locating protrusions on the cutter module snap into the locating holes on the platen holder plate Fix screw hole Locating protrusi...

Page 28: ...racket to fix the cutter module to the printer mechanism Note Except for the linerless cutter all regular heavy duty care label cutters DO NOT cut on media with glue For more details please refer to the cutter specification in the user s manual ...

Page 29: ... 3 12 Replacing the Cutter Driver IC Board 1 Remove 2 connectors on the cutter driver IC board 2 Remove 2 screws to remove replace the cutter driver IC board 3 Reassemble the parts in the reverse procedures ...

Page 30: ......

Page 31: ...ctly Supply a new ribbon roll Please refer to the steps in user s manual to reinstall the ribbon No Paper Running out of label The label is installed incorrectly Gap black mark sensor is not calibrated Supply a new label roll Please refer to the steps in user s manual to reinstall the label roll Calibrate the gap black mark sensor Paper Jam Gap black mark sensor is not set properly Make sure label...

Page 32: ...e printer and plug the connector again Check if the stepping motor is plugging in the right connector Check your program if there is a command PRINT at the end of the file and there must have CRLF at the end of each command line Memory full FLASH DRAM The space of FLASH DRAM is full Delete unused files in the FLASH DRAM The max numbers of file of DRAM is 256 files The max user addressable memory s...

Page 33: ...etween main PCB and LCD panel is loose Check if the cable between main PCB and LCD is secured or not LCD panel is dark but the LEDs are light The printer initialization is unsuccessful Turn OFF and ON the printer again Initialize the printer LCD panel is dark and LEDs are lit on but the label is feeding forward The LCD panel harness connector is loose The LCD panel harness connector is plugged ups...

Page 34: ...nd wait all LEDs are dark and turn on the printer again Wrinkle Problem Printhead pressure is incorrect Ribbon installation is incorrect Media installation is incorrect Print density is incorrect Media feeding is incorrect Make sure the label guide touch the edge of the media guide Make sure label paper core and ribbon are set at the center of the spindle Gray line on the blank label The printhaed...

Page 35: ...urn off the printer before cleaning the print head 2 Allow the print head to cool for a minimum of one minute 3 Use a cotton swab Head cleaner pen and 100 ethanol to clean the print head surface Clean the print head when changing a new label roll Platen Roller 1 Turn the power off 2 Rotate the platen roller and wipe it thoroughly with 100 ethanol and a cotton swab or lint free cloth Clean the plat...

Page 36: ...by hand If you touch it careless please use ethanol to clean it Please use 100 Ethenol DO NOT use medical alcohol which may damage the printer head Regularly clean the print head and supply sensors once change a new ribbon to keep printer performance and extend printer life ...

Page 37: ...E HISTORY Date Content Editor 2015 9 8 Modify section 3 11 Installing cutter module Add section 3 12 Replacing cutter driver IC board Camille 2015 10 21 Modify section 1 1 Recommended SD card specification Camille ...

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Page 39: ...1st Rd Wujie Tow nship New Taipei City 23141 Taiw an R O C Yilan County 26841 Taiw an R O C TEL 886 2 2218 6789 TEL 886 3 990 6677 FAX 886 2 2218 5678 FAX 886 3 990 5577 Web site w ww tscprinters com E mail printer_sales tscprinters com tech_support tscprinters com TSC Auto ID TechnologyCo Ltd ...

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