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Note: Be careful when changing dip switch settings. Carefully use a 

pointer on the dip switch you are going to change. DO NOT use a screw 
driver or apply excessive force. 

 

 

3

3

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2

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3

3

 

 

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Note:(Developer’s refer to Programming Manual for more information) 

 

Table 2 – DIP Switch Setting 

 

Please note: In order for changes to the dip switch configuration to take 

effect, the printer power must be reset. 

 
 

Dip Switch 

Function 

Switch   Switch 

 

Switch 

 

Switch 

Notes 

 

 

 

 

 

 

 

1,2,3,6 

Communication Interface 

SW1 

SW2 

SW3 

SW6 

 

 

RS 232 

Off 

Off 

Off 

 

Also set 4&5 

 IrDA 

On 

On 

Off 

 

Also set 4&5

 

 802.11b 

Off 

On 

On 

 

38,400 

baud 

 BT 

Off 

On 

On 

 

38,400 

baud 

 

IR Direct Mode 

On 

On 

Off 

On 

9600 Baud 

4 & 5 

COM 1 & 2 - Baud Rate 

SW4 

SW5 

 

 

RS232 rate 

 

38,400 

Off 

Off 

 

 

BT & 802  

 19,200 

Off 

On 

 

 

 

 9,600 

On 

Off 

 

 

 

 2,400 

On 

On 

 

 

 

4 & 5 

COM 2 – IrDA Baud Rate 

SW4 

SW5 

 

 

IrDA BAUD rate  

 9600 

Off 

Off 

 

 Fixed 

 

9600 – 38.4 BAUD 

On 

Off 

 

 Variable 

6 & 7 

COM 1 & 2 -

 

Parity Bits 

SW6 

SW7 

 

 

 

 

No Parity  

Off 

Off 

 

 

 

 

Odd Parity  

On 

Off 

 

 

 

 Even 

Parity 

On 

On 

 

 

 

Auto Power Save 

SW8 

 

 

 

 

 

Power save disabled 

OFF 

 

 

 

Manual On/Off 

 

Power save enabled 

ON 

 

 

 

Auto Power down 

Summary of Contents for S3750THS

Page 1: ...Page 1 S S3 37 75 50 0T TH HS S U US SE ER R G GU UI ID DE E VERSION 1 5 DATE March 16 2005...

Page 2: ...r up and self test 10 3 2 Connecting the Printer 11 3 3 Communications Serial RS232C 13 3 4 Communications IrDA 14 3 5 Communications Bluetooth 14 3 6 Using the Magnetic Card Reader 14 3 7 Programming...

Page 3: ...0 328 2 EMC Directive 89 336 EEC EN 301 489 1 and 17 and Low Voltage Directive 73 23 EEC EN 61131 2 3 802 11 Wi Fi Module Conforms to the following regulation and or standards FCC Part 15 Subpart B Cl...

Page 4: ...This product is designed for servicing at an Authorized Service Center Other than routine maintenance described in this manual the user should not attempt to repair service or disassemble this produc...

Page 5: ...ry Cartridge Note One battery cartridge is included with the printer Similar to a cordless phone battery the printer s battery must be charged before using it Extech batteries must be cycled several t...

Page 6: ...out 180 minutes the LED will go off To remove the battery cartridge open the battery door and tip the battery out of the printer Note To ensure a full charge do not operate the printer while charging...

Page 7: ...ANGE LOW POWER MODE If in BT 80 11b mode the LED is purple If in RS 232 mode the LED Is orange ON GREEN If the LED s Color is Green it indicates that Power is ON and that the printer is in RS232 or Ir...

Page 8: ...n on the two latches 2 Loading Supplies 2 1 Adding Paper Labels The printer can print text bar codes and graphics on thermal receipt paper See Supply Specifications for the width thickness requirement...

Page 9: ...f the paper against the tear bar as indicated then tear down and across against the tear bar to tear the paper Caution The tear bar may have sharp edges Using the tear bar is the only way to tear the...

Page 10: ...the time Pressing the On Off switch again will turn the printer off Press the On Off switch to turn the printer off The LED turns off To start the self test press and hold the FEED switch then press t...

Page 11: ...the DIP switch selection The functions assigned to these switches are shown in Table 2 If the Serial interface is selected the communication Parameters Baud rate Data Bit and Parity must be set These...

Page 12: ...effect the printer power must be reset Dip Switch Function Switch Switch Switch Switch Notes 1 2 3 6 Communication Interface SW1 SW2 SW3 SW6 RS 232 Off Off Off Also set 4 5 IrDA On On Off Also set 4...

Page 13: ...luetooth or 802 11b enabled but not both of them at the same time 3 3 1 Serial Communications specification The RS232C Interface signals for the S3750THS Series printers are terminated on a 6 PIN RJ t...

Page 14: ...pending on Whether you have an 802 11b or a BLuetooth Module installed the printer will enter that state respectively Pressing the power On Off switch again will turn the printer OFF Note It is necess...

Page 15: ...7 1 ASCII CONTROL CHARACTERS Character Hex Dec CONTROL ACTION EOT 04 04 End Of Text BS 08 08 Back Space HT 09 09 Horizontal Tab LF 0A 10 Line Feed VT 0B 11 Vertical Tab FF 0C 12 Form Feed CR 0D 13 Car...

Page 16: ...r Action ESC a n Select dot line spacing between printed lines ESC J n Graphic Line Feed command ESC P Select Online mode characters printed as received ESC P Select Buffer mode characters are printed...

Page 17: ...Paper Sensitivity ESC Q F m Set Forward Black Mark Seek ESC Q B m Reverse Black Mark Seek 3 7 7 Printer Supervisory and Control Commands Command String Printer Action V Buffer power timer battery sta...

Page 18: ...paper supply you use If this occurs use a can of compressed air to blow dust and paper debris out of the printer 4 2 Charging the Printer Battery The printer battery is charged using the wall mounted...

Page 19: ...switch The printer will print a self test receipt If the self test receipt is printed the DC power is ok Press ON OFF switch and wait until all LED s are off Plug the AC adaptor into the printer Press...

Page 20: ...ming a printer self test Light printing Check or recharge the battery Adjust the print contrast through print application Voids in printing Clean the print head following the cleaning instruction list...

Page 21: ...C Output 10VDC 1 4A US Plug 157220 Battery charger adapter 3750T Input 220VAC Output 10VDC 1 4A Euro Plug 157240 Battery charger adapter 3750T Input 240VAC Output 10VDC 1 4A UK Plug 3750T User s Guide...

Page 22: ...bold Large rotated Supported Bar Codes Codabar Code 39 UCC EAN 128 UPC EAN JAN Interleaved 2 of 5 Code 128 PDF 417 Memory 512K SRAM 32K Program Flash 224K Fonts and Logos Flash Charging Time Approxim...

Page 23: ...receiver is connected Consult the dealer or an experienced radio TV technician for help For Bluetooth equipped printers please note The printer contains an OEM Serial Port Adapter from connectBlue wit...

Page 24: ...h for repair Once a unit has been properly returned to Extech Note The customer is responsible for ensuring proper packing to prevent damage in transit as well as the shipping costs back to Extech it...

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