The Speaker Company TTP 248M service manual Text Specification

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TTP-248M Bar Code Printer

Service Manual

EAN-14

ITF14

PDF-417

Maxicode

DataMatrix

1.4Text Specification

Font

Width x Length

Font 1

8x12

Font 2

12x20

Font 3

16x24

Font 4

24x32

Font 5

32x48

Font 6

14x19 OCRB

Font 7

21x27 OCRB

Font 8

14x25 OCRA

Font

Width x Length

EAN 1

7x10

EAN 2

14x22

EAN 3

21x33

EAN 4

28x43

EAN 5

35x52

EAN 6

42x64

EAN 7

49x74

EAN 8

56x85

EAN 9

63x97

EAN 10

70x107

Font 1 to Font 8 are all build-in fonts and BF1 fonts.

EAN 1 to EAN 10 are the fonts used on Barcode UPC and EAN series (they content numbers only).

The above are the fonts we approve on our printers.

Specification of Fonts

 

Fixed Pixel

Variable Pixel

Singed byte

Double byte

Decode by Table

 

 

 

 

 

 

BF1

X

 

X

 

 

 

 

 

 

 

 

5

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Contents TTP 248M Table of Content TTP-248M Bar Code PrinterTTP-248M Bar Code Printer Foundamentals about the System Printer OverviewTTP-248M Bar Code Printer Pinter Specification SpecificationCommunication Interface Available Bar Codes Text Specification File Head of Font Fixed 32bytes BF3~4 VF3~4 Specification Types of PaperTTP-248M Bar Code Printer Ribbon Specification Circuit Description MCUMCU MCU PIN Description Page Page Page Page Page Page Page Page TTP-248M Bar Code Printer Reset Circuit Reset CircuitTTP-248M Bar Code Printer Memory System Etro N TechDecoder Circuits Memory Address MapUse by CPU Area Internal I/O Sdram TTP-248M Bar Code Printer Firmware Address Map TTP-248M Bar Code Printer Power Down Sensor VCCTTP-248M Bar Code Printer Print Head GNDMotor System Circuit Stepping Motor PatternTTP-248M Bar Code Printer Sensor Circuits Ribbon Near End Sensor10 Black mark/ Gap Sensor Circuit Peel-off Sensor 11 Peel-off Sensor Circuit Case Sensor Serial Port Circuit GND VDDParallel Port Circuit VDDTTP-248M Bar Code Printer Cutter Drive System 17 Cutter Drive CircuitTTP-248M Bar Code Printer PIN Switch Circuits Connector Circuits21 Memory Card Connector 23 Stepping Motor Connector TTP-248M Bar Code Printer Optional Items Circuits Optional Item---BuzzerMachanism Remove the Covers and LCD PanelLoosen the three screws on Top Left Side Cover Screw LCD Panel Lower Front Cover TTP-248M Bar Code Printer Replacing the Mainboard TTP-248M Bar Code Printer Replacing the Power Supply Unit Belt Ring of Label Rewind Spindle Remove the E-ring of pulley. And then, remove the pulley TTP-248M Bar Code Printer TTP-248M Bar Code Printer Replacing Ribbon Supply Spindle TTP-248M Bar Code Printer TTP-248M Bar Code Printer Replacing Label Supply Spindle TTP-248M Bar Code Printer TTP-248M Bar Code Printer Replacing Label Rewind Spindle TTP-248M Bar Code Printer TTP-248M Bar Code Printer Replacing Platen Remove the Platen and Left Shaft Bearing TTP-248M Bar Code Printer Replacing Motor TTP-248M Bar Code Printer TTP-248M Bar Code Printer Replacing Print Head Remove the 2 screws these are on the TPH switch plate Remove A.B.C.D in order Loosen M4 screw, knob E and F TTP-248M Bar Code Printer Replacing Gap/Black Mark Sensor TTP-248M Bar Code Printer Reassemble in the reverse procedures after replacing Curly plastic pipe Screws Troubleshooting TroubleshootingCalibrate Gap/Black Mark Sensor Flash / DramDram Clear Diagnosis Operation ProcedureTTP-248M Bar Code Printer Self-test TTP-248M Bar Code Printer Cleaning Print Head Update History No.35, Sec , Ligong 1st Rd., Wujie Township