The Speaker Company TTP 248M service manual Update History

Page 72

TTP-248M Bar Code Printer

Service Manual

UPDATE HISTORY

Date

 

Content

Editor

 

 

 

2007/1/17

1. Modify TPH part no.

Camille

 

2. Cancel guillotine cutter part no.

 

2007/1/24

1. Add cutter driver IC A3952SB (Non-RoHS) part no.

Camille

 

 

 

 

2007/1/25

1.

Modify the cutter part no.

Camille

 

2.

Modify the memory card part no.

 

 

3. Add the Internal print server (C) part no.

 

2007/3/9

1.

Modify the External Ethernet print server (C) part

Camille

 

no.

 

2007/4/14

1.

Update TSC e-mail address

Camille

 

2.

Update 6.6 section: cleaning print head

 

2007/8/1

1.

Company information update

Camille

 

 

 

 

2008/1/23

1.

Revoke part number for 98-0160053-00LF Internal

Camille

 

 

print server (Z), 98-1000017-00LF External

 

 

 

Ethernet print server (Z)/US and 98-1000018-00LF

 

 

 

External Ethernet print server (Z)/EU

 

 

2.

Modify description for 98-0220078-00LF Internal

 

 

 

print server (C), 98-1000008-00LF External

 

 

 

Ethernet print server (C)/US and 98-1000009-00LF

 

 

 

External Ethernet print server (C)/EU

 

2008/7/11

Remove the parts list section

Camille

 

 

 

2011/1/25

Modify TSC address

Camille

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 72
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 / DramDiagnosis Operation Procedure TTP-248M Bar Code Printer Self-testDram Clear TTP-248M Bar Code Printer Cleaning Print Head Update History No.35, Sec , Ligong 1st Rd., Wujie Township