Zebra GK420d User's Guide download pdf (Page 64)

Maintenance

Cleaning

980608-001 Rev. C GK420d™ User Guide 8/4/10

Media Path Considerations

Use a cleaning swab to remove debris, dust or crust that has built-up on the holders, guides and

media path surfaces.

Use the alcohol in the cleaning swab to soak the debris to break up the adhesive.

Wipe the ridges to remove accumulated debris.

Wipe the inside edges of both edge guides to remove any built-up residue.

Wait one minute before closing the printer.

Discard the cleaning swab after use.

Media

Guides

Ridges

Platen

Peel

Bar

Pinch

Roller

Ridges

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 101 102

User Guide 1
GK420d™ 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
GK Series Thermal Printers 14
What’s in the Box? 15
Your Printer 16
Opening the printer 16
Printer Features 17
Operator Controls 18
Power Switch 18
Feed Button 18
Status Light 19
Closing the printer 20
Getting Started 21
Attaching Power 22
Preparing Media 23
Loading Roll Media 24
Under Media 25
Pre-install Windows 27
Printer Drivers 27
Serial Port and Windows 28
operating systems 28
Ethernet 28
Interface Cable Requirements 29
USB Interface Requirements 30
Serial Communications 31
Serial Cable 32
Parallel Port 33
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
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
ZebraNet 55
KDU — Printer Accessory 57
Max. Current 58
Maintenance 61
Cleaning 62
Cleaning the Printhead 63
Media Path Considerations 64
Sensor Cleaning 65
Other Printer Maintenance 67
Replacing the Printhead 68
Troubleshooting 71
Status Light Descriptions 72
6. The printer is paused 74
No print on the label 75
Print Quality Problems 76
Manual Calibration 78
Recalibration 79
Communications Diagnostics 80
Feed Button Modes 82
Appendix: Interface Wiring 85
Parallel Interface 87
Ethernet Interface 88
Serial Port Interface 89
Appendix: Dimensions 91
All dimensions are 92
Label Dispenser 93
Appendix: ZPL 95
Configuration 95
Command Name Description 101
Notes • 102

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Zebra GK420d User's Guide Page 64

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