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Intermec 7421 3-4, Locating the Printer Parts You Need to Maintain

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3-4Locating the Printer Parts You Need to Maintain

Printhead

Peel-off

bar

Drive roller

7421U.033

Printer cover

Label

taken

sensor

Label

mark sensor

Label

gap sensor

Contents

Main Page Contents Operating the Printer Configuring the Printer Maintaining the Printer Troubleshooting 3 4 A Page Page vii Before You Begin Warranty Information Safety Summary viii Warnings, Cautions, and Notes ix About This Manual What You Will Find in This Manual This table summarizes the information in each chapter of this manual: For Information On Refer To x Terms Other Intermec Manuals Page Page 1-3 . Getting to Know Your Printer Front View 1-4 Back View 1-5 Learning How to Operate the Printer Understanding the Power Light 1-6 Using the Feed/Pause Button 1-7 Loading Media Into the Printer Using the Peel-Off Option Page Page 1-10 Page Page Page Page 1-15 1-16 Loading Fanfold Media Page Page Page 1-20 Inserting the Optional Memory Card Page Page 2-3 Configuring the Printer Setting the Media Sensitivity Number 2-4 Finding Your Media Sensitivity Number 2-5 Setting the MSN for Intermec Media and Ribbon 2-6 Setting the MSN for Other Media and Ribbon Direct Thermal Media Sensitivity Settings 2-7 Thermal Transfer Media and Ribbon Sensitivity Settings 2-8 Adjusting the Print Darkness Co de 39 2-9 Adjusting the Label Gap Sensor 2-10 Communicating With the Printer Printing a Test Label 2-11 2-12 Using the Printhead Loading Modes 2-13 Page Page Page Maintenance Schedule 3-4 Locating the Printer Parts You Need to Maintain 3-5 Tools for Cleaning the Printer 3-6 Cleaning the Printhead 3-7 Cleaning the Printhead Cleaning the Printer Covers 3-8 Cleaning the Drive Roller and Peel-Off Bar Page 3-10 Cleaning the Label Sensors Page Page Page Page 4-3 Troubleshooting Checklist 4-4 Printer Operation Problems 4-5 Print Quality Problems Symptom Possible Causes Solution 4-6 Communication Problems Using Data Line Print Mode 4-7 Preventing Data Loss 4-8 Resetting the Printer to Factory Defaults Page Page Printer Specifications A-4 Fonts and Graphics Media Specifications Memory Printhead Printing Method Printer Options A-6 Bar Code Symbologies Supported Page Page B-3 About Communications Serial Communication Protocols Intermec Printer Standard Protocol B-4 B-5 XON/XOFF Protocol B-6 Hardware Protocol User-Defined Protocol B-7 B-8 Communications Boundaries RS-232 Serial Interface B-9 Pin Name Operation B-10 RS-232 Cable for 9-pin to 9-pin (Part No. 590123) RS-232 Null Modem Cable for PC for 25-pin to 9-pin Page Page International Character Sets Advanced Character Table C-4 86XX Character Table C-5 IBM Translation Character Table C-6 Code Page 850 Character Table #$%&'() " ! Extended Character Sets C-8 7421U.047 C-9 Characters in Font c23 OCR A 7421U.047 C-10 Characters in Font c24 OCR B Size 2 Page Page I-3 A B C I-4 D E F G H M O P I-6 Q R S T