TTP-268M/ TTP-366M Bar Code Printer Service Manual
Contents
1. 2 2 2 1 20 3 9 Replacing the Gap and Black mark Sensor Module 22 3 10 Replacing the DC Motor Module eese esee 23 3 11 Peel off Kit Installation Option ee sees 24 3 12 Cutter Module Installation Option 31 4 Eta aput SR 33 4 1 Common PLODICINS scorre vo rone VER ETE VR CRDI EUR CES 33 4 2 Print Head Pressure Adjustment Knob 37 4 3 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles 38 4 4 Z axis Mechanism Adjustment Knob esses 40 5 c 43 UPDATE HISTORY retten evt Ee 45 268 366 Bar Code Printer Service Manual I CC The Smarter Choice 1 FUNDAMENTAL OF THE SYSTEM 1 1 Overview Front View 1 LED indicators 2 LCD display 3 Front panel buttons 4 Paper exit chute 5 Lower front cover 6 Media view window 7 Printer right side cover opener2. 366 Bar Code Printer Service Manual I CC The Smarter Choice V1 0 V1 1 1 SanDisk Transcend Panasonic sanDisk Transcend Panasonic V1 0 V1 1 microSD 128 MB Transcend Panasonic V1 0 V1 1 microSD 256 MB Transcend Panasonic V1 0 V1 1 microSD 512 MB Panasonic V1 0 V1 1 microSD 1 GB Transcend Panasonic V2 0 SDHC CLASS 4 microSD 4 GB Panasonic V2 0 SDHC CLASS 6 microSD 4 GB Transcend V1 0 V1 1 miniSD 128 MB Transcend Panasonic V1 0 V1 1 miniSD 256 MB Transcend Panasonic V1 0 V1 1 miniSD 512 MB Transcend Panasonic V1 0 V1 1 miniSD 1 GB Transcend Panasonic V2 0 SDHC CLASS 4 miniSD 4 GB Transcend V2 0 SDHC CLASS 6 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 adapter is required for SD card reader The Smarter Choice TTP 268M TTP 366M ToC Bar Code Printer Service Manual 2 ELECTRONICS 2 1 Summary of Board Connectors Main board 9 Exs Ev fe 7 1 Connector Description Centronics port connector USB connector RS 232C connector LCD panel connector Multi interface board connector GPIO interface board Micro processor RFID module connector 268 366 ToC Bar Code Printer Service Manual The Smarter Choice Head open sensor connector Head open sensor emitter 1 2 1 Fr open sensor M Head
3. 268 366 Bar Code Printer Service Manual I CC Interior View 10 Ribbon rewind spindle Ribbon supply spindle 12 Print head pressure adjustment knob Ribbon guide bar Z axis mechanism adjustment knob hs Print head release lever Media guide bar n Label roll guard N O oOo A N Label supply spindle Internal rewind spindle Optional 15 Damper Print head 16 17 Ribbon sensor i D Platen roller Gap sensor Black mark sensor ob N OD Label guide 268 366 Bar Code Printer Service Manual I CC Hear View 1 6 7 2 8 3 4 9 10 1 Fan fold paper entrance chute 2 Centronics interface SPP mode 3 USB interface USB 2 0 Full speed mode 4 RS 232C interface Max 115 200 bps 5 Power jack socket 6 GPIO interface Factory option 7 SD card slot Up to 4G 8 Internal Ethernet interface 10 100 Mbps 9 PS 2 keyboard interface 10 Power switch Note The interface picture here is for reference only Please refer to the product specification for the interfaces availability Recommended SD card specification SD card spec SD card capacity Approved SD card manufacturer V1 0 V1 1 128 MB SanDisk Transcend V1 0 V1 1 256 MB SanDisk Transcend Panasonic V1 0 V1 1 512 MB SanDisk Transcend Panasonic 268
4. 4 6 AIO 7 ND IO 8 DO 9 DA 10 20 11 4 12 5 13 50 6 14 D 15 ep Saas i en om cm am 268 366 Bar Code Printer Service Manual 3 MECHANISM 3 1 Remove Covers 1 Remove 4 screws from printer The Smarter Choice Screws 2 Open printer right side cover and remove 2 screws then close the cover Screws Electronics cover The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 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 lt Right side cover 5 Reassemble the parts in the reverse procedures TTP 268M TTP 366M I lt Bar Code Printer Service Manual 3 2 Replacing the LCD Panel Module 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 Harness LCD panel module 5 Reassemble the parts the reverse procedures TTP 268M TTP 366M I lt Bar Code Printer Service Manual 3 3 Replacing the Power 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 Screw
5. I lt Bar Code Printer Service Manual Adjust the print head pressure adjustment knob Adjust the print head pressure adjustment knob Left knob Middle knob Middle knob Right knob 4 i J ficis 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 Clockwise direction adjustment is is to increase the print head pressure Counter to increase the print head pressure Counter Clockwise adjustment can decrease the print head Clockwise adjustment can decrease the print head pressure pressure If the wrinkle on the label starts from the lower left If the wrinkle on the label starts from the lower right side to upper right side please do following side to upper left side please do following adjustment adjustment 1 Decrease the right side print head pressure 1 Decrease the left side print head pressure adjustment knob setting 1 level per each adjustment knob setting 1 level per each adjustment then print the label again to check if adjustment then print the label again to check if wrinkle is gone wrinkle is gone If the right side print head adjustment knob If the left side print head adjustment knob level setting has been set to index 1 the lowest has been set to index 1 the lowest index please pressure index please increase the left side increase the right side print head pressure print head pres
6. close a 4 3 3V Head a Gap sensor connector Gapsensoremiter 2 3 av Emitor ol 4 3 2 AV Emitter off m 4 A AV Emitter off 4 Gap sensor receiver sensor receiver AD 0 3 3V 0 3 3V Black mark sensor connector Description Voltage Black mark sensor A D 0 3 3V receiver 2 Power HH B 4 4 0 4 1V Emitter on Black mark sensor emitter 4 3 4 4V Emitter off Ribbon sensor connector Description Voltage 1 Ribbon sensor receiver Ribbon sensor receiver receiver AID 0 3 3V AID 0 3 3V 3 3V sensor emitter power pin 8 GND Md Ribbon sensor emitter 0 4 1 4 3 4 4V Emitter off 268 366 Bar Code Printer Service Manual SC The Smarter Choice Cutter peel off sensor connector Li 3 3 4 CUT amp PEEL 1 OV Cutter work EM Cutter enable 5V Cutter stop 2 OV Cutter positive cut EM Cutter negative cut nal Cutter position sensor Cutter stop switch 3V Cutter work 4 Peelsensor receiver sensor receiver AID 0 3 3V 0 3 3V Peel sensor emitter 4 0 4 1V Emitter on e 4 4V Emitter off v Pin Dein 1 sme _ SN _ o Rendewe fow Rownd sonsorreconer _ otepping motor connecto
7. in user s manual to reinstall the ribbon No Paper Running out of label Supply a new label roll The label is installed incorrectly Please refer to the steps in user s manual to Gap black mark sensor is not reinstall the label roll calibrated Calibrate the gap black mark sensor Paper Jam j sensor is not set pope M Calibrate the gap black mark sensor Make sure label size is set properly Labels may be stuck inside the printer y mechanism If the cutter module is installed please press UP or DOWN key to rotate the cutter up or down to make the knife back to the right position Remove the label Make sure the thickness of label is less than 0 254 mm 10mil Replace a cutter PCB Cutter jam There is no cutter installed on the printer Cutter PCB is damaged 33 268 366 The Smarter Choice Cable is not well connected to serial or Not Printing USB interface or parallel port is not pin to pin connected Memory full The space of FLASH DRAM is full FLASH DRAM SD is damaged SD card is unable to SD card doesn t insert correctly use Use the non approved SD card manufacturer Did not turn off power prior to plug in the PS 2 keyboard PS 2 keyboard is damaged PS 2 keyboard doesn t plug in correctly There i
8. sensor assembly Screw 1 Gear Pillar Screw 2 Copper pillar 9 Screw 3 10 DC motor control board assembly 11 DC motor kit Including DC motor and sensor assembly 12 Screw 4 2 3 4 o 6 f 8 24 268 366 TSC Bar Code Printer Service Manual The Smarter Choice 1 Refer to section 3 1 to remove the electronics cover 2 Remove 3 screws and 1 connector to remove the DC motor assembly DC motor fixing plate Connector Blue 3 Open the right side printer cover Remove the dustproof cover from internal rewinder spindle reserve hole 4 Install the pillar to the printer Please refer to the above fig Use wrench No 7 to fasten the pillar 25 The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 5 Remove 2 screws from the internal rewinder spindle 8 TTP 268M TTP 366M I lt Bar Code Printer Service Manual 9 Put the bearing right side felt fabric and gasket onto the shaft 10 Insert the internal rewinder spindle to the shaft and fasten the screw Note The spindle screw hole must be in alignment with the screw hole on rewinder shaft 11 Rotate the spindle 180 degree and fasten the other screw at the internal rewinder spindle 12 Use the screw 2 to fasten the gear into the pillar by slotted screwdriver Note Turn the gear to confirm that it works with internal rewinder gear 2 268 36
9. 6 TSC Bar Code Printer Service Manual The Smarter Choice 13 Install 2 copper pillars to the DC motor fixing plate 14 Place the two locating protrusions on the motor into the locating holes on the fixing plate Make sure the protrusions at lower position of locating holes 15 Use 4 screws 4 to fix the DC motor and sensor board on the plate Use 2 screws 3 to fix the DC motor control board on the copper pillars Plug the DC motor kit harness into the DC motor control board 28 268 366 TSC Bar Code Printer Service Manual The Smarter Choice 16 Use screws to fasten the DC motor plate to the printer mechanism Plug the DC motor control board harness into the DC motor control board White connector 29 268 366 TSC Bar Code Printer Service Manual 19 Connect the DC motor harness and the DC motor control board harness to main board Then reassemble the parts in the reverse procedures ML 21 Plug the peel off mini DIN cable connector into the peel off cutter connector and place the cable in the cable cavity The triangle mark on the connector must be at the upper side A 22 Fasten 2 screws 1 at the peel off module to fix the peel off module to the printer mechanism 30 TTP 268M TTP 366M I lt Bar Code Printer Service Manual 3 12 Cutter Module Installation Option 1 Open the printer right side
10. TTP 268M TTP 366M THERMAL TRANSFER DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL E 1777777773 268 366 Bar Code Printer Service Manual The Smarter Choice TABLE OF CONTENT T F UNDAMENTALE OF THE SYSTEM eise 1 I des VORWI OW 1 2 ELECTRONICS 5 2 1 Summary of Board 5 2 2 PIN coii 10 3 me 12 34d Remove COVES uei acri 12 3 2 Replacing the LCD Panel 2 22 14 3 3 Replacing the Power Supply Unit eee eese crecer rere eee 15 3 4 Replacing Multi interface Board esee eere 16 3 5 Replacing the Main tionen cite eoe cos aee ea vocans conve 17 3 6 Replacing the Platen Roller Assembly 18 3 7 Replacing the Stepping Motor 19 3 8 Replacing the Print head 5
11. cover 2 Remove 2 screws to remove the lower front panel yes gt e wd E E T gt 3 Plug the cutter mini DIN cable connector into the cutter peel off connector The triangle mark on the connector must be at the upper side 4 d 31 268 366 TSC Bar Code Printer Service Manual The Smarter Choice 5 Place the cutter module into the cutter fixing plate Please refer to the following fig 6 Fasten the 1 screw at the cutter bracket to fix the cutter module to the printer mechanism 32 268 366 ToC Bar Code Printer Service Manual The Smarter Choice 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 Possible Cause Recovery Procedure Power indicator does The power cord is not properly Plug the power cord in printer and outlet not illuminate connected Switch the printer on Carriage Open The printer carriage is open Please close the print carriage No Ribbon 5 bb Running out of ribbon ior The ribbon is installed incorrectly Please refer to the steps
12. dressable memory space of FLASH is 6656KB Use the supported capacity SD card Insert the SD card again The supported SD card spec 128MB 256MB 512MB 1GB 4GB SDHC CLASS 6 Approved SD card manufacturers SanDisk Transcend Turn off printer power prior to plug in the PS 2 keyboard Plug the PS 2 keyboard again Make sure the keyboard is fine Make sure if there is any BAS file downloaded into printer 268 366 ToC Bar Code Printer Service Manual The Smarter Choice Reload the supply Clean the printhead Clean the platen roller Adjust the print density and print speed Run printer self test and check the printhead test pattern if there is dot missing in the pattern Change proper ribbon or proper label media Adjust the printhead pressure adjustment knob If the left side printout is too light please adjust the left side pressure adjustment knob to the higher index higher pressure If the pressure adjustment knob has been adjust to index 5 and the poor print quality is still at the left side of the printout please adjust the pressure adjustment knob to index 1 and use the Z axis adjustment knob to fine tune the pressure If the right side printout is too light please adjust the right side pressure adjustment knob to the higher index higher pressure to improve the print quality If the label thickness is more than 0 22 mm t
13. e Please refer to the following pressure knob adjustment recommendation D 268 366 TSC Bar Code Printer Service Manual TheSmarter Choice ssid Smarter Choice 4 3 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 In case the ribbon wrinkle happens please follow the instructions below to adjust the printer parts Adjustable Printer Parts MODEL NO TTP 24104 MODEL NO TTP 24104 nan Mani WERL SERIAL NO SERIAL N XXX TT im 1 mT INPUT 115 230V 5 34 E INPUT 1 230V M d Wri n kl e This device complies with Part 1 Jf the FCC Rules This device complies wit art 15 of the FCC Rules Operation is subject to the fo ving two conditions ion i i 1 This device may not harmful interference and 2 This device must interference received Exam including interferenc at may cause undesired operation Oce TSC Auto ID Technology Co Ltd TSC Auto ID Co Ltd TSC TSC Hh ter AAR tA TR MADE IN TAIWAN MADE IN TAIWAN 38 268 366
14. e adjustment knob to index 1 then use use the Z axis adjustment knob to fine tune the right side print head pressure Please refer to the adjustment steps as below 1 Loosen the fixing nut to the top of knob Move the nut only Factory default Loosen the nut to the top 40 268 366 TSC Bar Code Printer Service Manual The Smarter Choice 2 Loosen the fixing screw 3 Please be noted that print head right pressure find turn should be done by try and error Rotate the Z axis mechanism adjustment knob clockwise for a few degrees by screwdriver and print again to check if the ribbon wrinkle remains If the wrinkle still remains please turn the Z axis mechanism adjustment knob clockwise about 1 4 circle each time for adjustment Marker position Factory default position In Z axis mechanism adjustment knob function position 41 TTP 268M TTP 366M I lt Bar Code Printer Service Manual 4 Screw the fixing nut and fixing screw for fixed this print head pressure gt n Fixing nut Fixing screw 42 268 366 ToC Bar Code Printer Service Manual The Smarter Choice 5 MAINTENANCE This session presents the clean tools and methods to maintain your printer 1 Please use one of following material to clean the printer B Cotton swab Head cleaner pen B lint free cloth B Vacuum Blower brush 100 ethanol 2 cleaning process is described as f
15. ers com E mail printer sales Q2tscprinters com tech support 2tscprinters com 47 Li Ze Plant No 35 Sec 2 Ligong 1st Rd Wujie Township Yilan County 26841 Taiwan R O C TEL 886 3 990 6677 FAX 886 3 990 5577
16. he print quality might be not good enough please adjust the heater line adjustment screw counter clockwise to get the best print quality The release lever does not latch the printhead properly LCD panel is dark and gt The cable between main and LCD Check if the cable between main PCB and LCD keys are not working panel is loose is secured or not LCD panel is dark but The printer initialization is Turn OFF and ON the printer again the LEDs are light unsuccessful Initialize the printer LCD panel is dark and Ribbon and media is loaded incorrectly Dust or adhesive accumulation on the printhead Print density is not set properly Poor Print Quality printhead element is damaged Ribbon and media are incompatible The printhead pressure is not set properly LEDs are on but The LCD panel harness connector is The LCD panel harness connector is plugged the label is feeding loose upside down forward Ribbon encoder The ribbon encoder sensor connector X IP sensor doesn t work S loose Ribbon end sensor nu 2 is ipd d with Check the connector doesn t work abd Clear the dust the sensor hole by the blower Cutter is not working The connector is loose Plug in the connect cable correctly Label feeding is not f the label is moving to the right side please The media guide does not touch the move the label guide to
17. he printhead label The platen roller is dirty Clean the platen roller The printer is in Hex Dump mode 2 and on the printer to skip the dump 9 9g The RS 232 setting is incorrect une 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 36 268 366 TSC Bar Code Printer Service Manual TheSmarter Choice Smarter Choice 4 2 Print Head Pressure Adjustment Knob There are two conditions that will need to adjust the print head pressure 1 Print with thick media If media thickness is larger than 0 19 mm the larger pressure is required to get good quality printout Edge alignment media The media alignment is designed at the left edge of mechanism to keep the pressure balance between print head media and ribbon There are 5 levels of pressure for adjustment Level 1 is the minimum pressure and level 5 is the maximum pressure For example if the label width is 6 adjust both print head pressure adjustment knobs to the same level If the label is less than 2 wide increase the left side print head pressure by rotating the adjustment knob clockwise and decrease the right side pressure by rotating the adjustment knob counter clockwise to level 1 If the left side print head adjustment knob setting has been set to 5 the highest pressure index than increase the middle print head pressur
18. left edge of the media f the label is moving to the left side please printing move the label guide to right stable skew when Check if label size is setup correctly Calibrate the sensor by Auto Gap or Manual Gap options Clear the GAP Black mark sensor by blower Skip labels when Label size is not specified properly Sensor sensitivity is not set properly printing The media sensor is covered with dust 35 268 366 ToC Bar Code Printer Service Manual The Smarter Choice Set the correct label size The left side printout Wrong label size setup Press MENU gt SELECT x 3 gt DOWN x 5 position is incorrect 7 SELECT to fine tune the parameter of Shift X Missing printing on the left or right side of Wrong label size setup Set the correct label size label RTC time is incorrect when reboot the The battery has run down Check if there is a battery on the main board printer Mun era ae ee DELE Check if the board is plugged in the right doesn t work connector POWE anD SIUE Turn off the printer and wait all LEDs are dark are blinking fast and turn on the printer again Printhead pressure is incorrect Ribbon installation is incorrect Wrinkle Problem Media installation is incorrect Print density is incorrect Media feeding is incorrect Gray line on the blank The printhaed is dirty Clean t
19. ly into the print mechanism The holes of print head assembly must align and then insert the tenons of print mechanism _ lenons Print head ASS Y 7 Reassemble the parts in the reverse procedures Ey 21 268 366 Bar Code Printer Service Manual Smarter Choice 3 9 Replacing the Gap and Black mark Sensor Module Open the printer right side cover Disengage print head release lever Refer to section 3 1 and 3 4 to remove electronics cover and multi interface board Disconnect the gap and black mark sensor connectors from the main board E gum HERE y Gap sensor AN ae modueco sensor module connector Y module connector a Screws Sensor 2 2 z cover 7 Reassemble the parts in the reverse procedures 22 The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 3 10 Replacing the DC Motor Module 1 Refer to section 3 1 to remove the electronics cover 2 Disconnect the DC motor module connector from the main board DC motor module connector p ax PI Screws Screws 5 Reassemble the parts the reverse procedures 23 268 366 I lt Bar Code Printer Service Manual 3 11 Peel off Kit Installation Option Peel off kit parts list Internal rewinder spindle Harness for DC motor control board Peel off cover Including peel off
20. ollowing Printer Part _ 1 Always turn off the printer Clean the print head when changing a before cleaning the print head new label roll 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 Print Head Print Head Print Head Element Element Head Cleaner Pen 1 Turn the power off Clean the platen roller when changing 2 Rotate the platen roller and a new label roll Platen Roller wipe it thoroughly with 10096 ethanol and a cotton swab or lint free cloth 43 268 366 ToC Bar Code Printer Service Manual Wipe it with water dampened As needed cloth Brush or vacuum As needed Note Do not touch printer head by hand If you touch it careless please use ethanol to clean it e Please use 10096 Ethenol DO NOT use medical alcohol which may damage the printer head e Regularly clean the print head and supply sensors once change a new ribbon to keep printer performance and extend printer life 44 268 366 Bar Code Printer Service Manual UPDATE HISTORY 2015 4 7 Modify section 3 3 Replacing the power supply unit 45 TSC Auto ID Technology Co Ltd Corporate Headquarters 9F No 95 Minquan Rd Xindian Dist New Taipei City 23141 Taiwan R O C TEL 886 2 2218 6789 FAX 886 2 2218 5678 Web site www tscprint
21. r Motor connector for ribbon rewind spindle 1 Logicpower power receiver le 4 Motor signal A E power Motor connector for ribbon supply spindle Option Hewind module connector REWIND 268 366 ToC Bar Code Printer Service Manual The Smarter Choice E receiver Power supply output 24V DC connector GPIO interface power 24V DC connector Print head signal connector Print head power connector Multi interface board Bini 1 Man board connector 3 2 Ethernet RJ 45 connector 4 PS 2 connector 268 366 ToC Bar Code Printer Service Manual The Smarter Choice GPIO with multi interface board a 2 _ Connector Description GPIO connector Main board connector Ethernet RJ 45 connector PS 2 connector Connector Remark 3 EMEN 8 sp card slot NENNEN __6_ GPIO power connector 268 366 ToC Bar Code Printer Service Manual _ Smarter Choice 2 2 Pin Configuration RS 232C PIN CONFIGURATION 2 TxD a _ USB Centronics Pin SPPMode 72 Paper Out End Select _ Ground s A a 268 366 ToC Bar Code Printer Service Manual Ethernet CONFIGURATION PS 2 GPIO ND IO 1 EYES 5 DT 3 DT 4 BT 5 GPI
22. r platen roller assembly and replace a new platen roller assembly assembly E loei 6 Reassemble the parts in the reverse procedures TTP 268M TTP 366M I lt Bar Code Printer Service Manual 3 7 Replacing the Stepping Motor 1 Refer to section 3 1 to remove the electronics cover 2 Disconnect the stepping motor connector from the main board gt 3 22 17 us T 70 armen gt N ta 29 na juu z md 1 33 42 1 0 4 E LJ ae yY E a T 5 rm s E E gt gt EO 4 Ehe 5 e 27 m ace m Ta higa Y c he 3 w e LE c i 1 Til 8 i T T i E E E 2 4 u c Stepping motor connector Screws 4 Replace the stepping motor 5 Reassemble the parts in the reverse procedures The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 3 8 Replacing the Print head ASS Y 1 Open the printer right side cover 2 Remove 2 screws from the mechanism Screws 3 Disengage print head release lever 4 Carefully disconnect 2 connectors from the print head ASS Y Print head ASS Y 20 268 366 TSC Bar Code Printer Service Manual The Smarter Choice 6 Connect the print head cable and carefully slide assemb
23. s T hd t au m b 9900000 Note For new power supply unit as shown below it need to change new DC cable 10PIN on PSU 8PIN on PCB The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 3 4 Replacing Multi interface Board 1 Refer to section 3 1 to remove the electronics cover 2 Remove 4 screws then take off the interface plate Interface Screws N Copper pillar Multi interface board Connector Copper pillar 5 Reassemble the parts in the reverse procedures The Smarter Choice TTP 268M TTP 366M TSC Bar Code Printer Service Manual 3 5 Replacing the Main Board 1 Refer to section 3 1 and 3 4 to remove electronics cover and multi interface board 2 Disconnect all connectors from the main board 3 Remove 2 copper pillars and 2 screws ill Copper pillars Screws 4 Replace the main board 5 Reassemble the parts in the reverse procedures 268 366 TSC Bar Code Printer Service Manual 3 6 Replacing the Platen Roller Assembly 1 Open printer right side cover 2 Disengage print head lift lever 3 Remove the 1 screw to remove gear cover Screws Gear cover 4 Remove 4 screws from the platen holder 7 Screws Screws fo ean WS Am gt 29 Lh 5 Take out the platen holde
24. s no BAS file in the printer PS 2 port does not work 34 The serial port cable pin configuration 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 Check if the Ethernet RJ 45 connector amber LED is blinking Check if the printer gets the IP address when using DHCP mode Check if the IP address is correct when using the static IP address Wait a few seconds let the printer get the communication with the server then check the IP address setting again Chang a new cable Ribbon and media are not compatible Verify the ribbon inked side Reload the ribbon again Clean the printhead The print density setting is incorrect Printhead s harness connector is not well connected with printheat Turn off the 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 Delete unused files in the FLASH DRAM The max numbers of file of DRAM is 256 files The max user addressable memory space of DRAM is 2048 KB The max numbers of file of FLASH is 256 files The max user ad
25. sure If the right side print head adjustment knob setting If the left side print head adjustment knob has been set to 5 the highest pressure index the setting has been set to 5 the highest pressure wrinkle can t be avoid please increase the middle index the wrinkle can t be avoided please print head pressure knob increase the middle print head pressure knob 4 If the wrinkle can t be avoided please refer to If the wrinkle can t be avoided please refer to next chapter to adjust the Z axis mechanism next chapter to adjust the Z axis mechanism adjustment knob adjustment knob Pressure knob adjustment reference Pressure knob adjustment reference e 6 label e 6 label Middle index Right index Middle index Right index NN e 3 label Middle index Right index pp pn up 39 268 366 TSC Bar Code Printer Service Manual 4 4 Z axis Mechanism Adjustment Knob Z axis mechanism adjustment knob Fixing nut Indicator The default position is set at the lowest line Fixing screw For narrow media If change the print head pressure adjustment knob setting can t get the printout without ribbon wrinkle the Z axis mechanism adjustment knob should be adjusted to get the satisfied printout This Z axis mechanism adjustment knob is used to fine tune the right side pressure of print head Before fine tune the print head right side pressure please set the pressur
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