Zebra GC420d Guia do Utilizador descarregar pdf (Página 61)

100

Cleaning

5/23/2012 GC420d™ User Guide P1052685-001

Cleaning the Printhead

Always use a new cleaning pen on the printhead (an old pen carries contaminants from its

previous uses that may damage the printhead).

When you load new media, you can also clean the printhead.

1. Rub the cleaning pen across the dark area of the printhead. Clean from the middle to the

outside. This will move adhesive transferred from the edges of media to the printhead

outside of media path.

2. Wait one minute before closing the printer.

Caution • The printhead becomes hot while printing. To protect from damaging the

printhead and risk of personal injury, avoid touching the printhead. Use only the cleaning

pen to perform maintenance.

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User Guide 1
GC420d™ 1
FCC Compliance Statement 4
Environmental Management 4
About This Document 5
Who Should Use This Document 6
Contacts 7
Document Conventions 8
Contents 9
Introduction 13
GC420d™ Thermal Printers 14
What’s in the Box? 15
Your Printer 16
Opening the printer 16
Printer Features 17
Power Switch 18
Feed Button 18
Operator Controls 18
Status Light 19
Closing the printer 20
Getting Started 21
Attaching Power 22
Preparing Media 23
Loading Roll Media 24
Ethernet 29
Interface Cable Requirements 30
USB Interface Requirements 31
Serial Communications 32
Note • Early models of Zebra 33
Serial Cable 33
Parallel Port 34
Print Operations 37
Thermal Printing 38
Modes of Printing 39
Print Media Types 39
Replacing Supplies 41
Adjusting the Print Width 41
Adjusting the Print Quality 42
Media Sensing 43
Printing on Fan-Fold Media 44
5. Close the top cover 45
Fonts and Your Printer 47
Stand Alone Printing 49
Sending Files to the Printer 50
Print Meter 50
EPL Line Mode 50
Printer Options 51
Label Dispenser Option 52
4. Close the dispenser door 54
KDU — Printer Accessory 55
< Max. Current 56
Maintenance 59
Cleaning 60
Cleaning the Printhead 61
Media Path Considerations 62
Sensor Cleaning 63
Other Printer Maintenance 65
Replacing the Printhead 66
Printhead Installation 68
Troubleshooting 71
Status Light Descriptions 72
6. The printer is paused 74
No print on the label 75
^MN command in 76
O and Q commands in the EPL 76
Print Quality Problems 77
Manual Calibration 78
Recalibration 79
Communications Diagnostics 80
Feed Button Modes 82
Appendix: Interface Wiring 85
Parallel Interface 87
Serial Port Interface 88
Appendix: Dimensions 89
All dimensions are 90
Appendix: ZPL 93
Configuration 93
Command Name Description 99

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