Zebra GC420d Guida Utente Scaricare il pdf (Pagina 68)

100

Replacing the Printhead

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

Printhead Installation

1. Route the print head cables under the latch shaft and plug the printhead cables into the

receptacles on the printhead.

2. Hold the printhead against the bracket while replacing the screws and washers. Attach the

ground wire using the right screw and washer. Use a #1 Phillips driver to tighten the

screws.

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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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Zebra GC420d Guida Utente Pagina 68

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