Zebra GX420d Guida Utente Scaricare il pdf (Pagina 88)

Maintenance

Replacing the Printhead

980611-001 Rev. B GX420d User Guide 6/4/08

Replacing the Printhead

1. Align the printhead to plug the left and right connectors into the wire bundles.

2. Slide the printhead into the left side and jog it into the right side catch.

3. Clean the print head as described under Cleaning the Printhead on page 69.

4. Reload media. Plug in the power cord, turn on the printer and print a status report to

ensure proper function. See Printing a Test (Printer Configuration) Label on page 17

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User Guide 1
Zebra GX420d 1
FCC Compliance Statement 3
G-Series Printers 3
Environmental Management 4
About This Document 5
Who Should Use This Document 6
Contacts 7
Document Conventions 8
Contents 9
Introduction 13
GX Series Thermal Printers 14
What’s in the Box? 15
Your Printer 16
Opening the printer 16
Printer Features 17
Moveable Blackline 18
Sensor (Option) 18
Media Cutter 18
(Option) 18
Operator Controls 19
Power Switch 19
Feed Button 19
Status Light 20
Closing the printer 21
Getting Started 23
Attaching Power 24
Loading Roll Media 25
Under Media 28
Interface Cable Requirements 30
USB Interface Requirements 31
Serial Communications 32
EPL Y Command 33
Parallel Port 34
Ethernet 35
Print Operations 37
Thermal Printing 38
Modes of Printing 39
Print Media Types 39
Replacing Supplies 41
Adjusting the Print Width 42
Adjusting the Print Quality 42
Media Sensing 43
Printing on Fan-Fold Media 44
Close the top cover 45
Fonts and Your Printer 47
Getting Asian Fonts 48
Stand Alone Printing 49
Sending Files to the Printer 50
Print Meter 52
EPL Line Mode 53
Printer Options 55
Label Dispenser Option 56
4. Close the dispenser door 58
Black Marks 60
Cutter Option 61
Moveable Sensor 63
Off Center 63
Blackline Sensing Only 63
Default - Gap (Web) Sensing 63
Standard Operating Position 63
ZebraNet 65
~WL command 66
KDU — Printer Accessory 69
< Max. Current 71
KDU Plus — Printer Accessory 72
Control Panel Operation 73
OOOOOOOOMENU 74
PRINTER READY 74
Normal Operation Display 75
Display Settings 75
Printer Settings 76
802.11 WLAN Settings 77
Bluetooth Settings 77
Maintenance 79
Cleaning 80
Cleaning the Printhead 81
Media Path Considerations 82
Sensor Cleaning 83
Replacing the Printhead 86
Troubleshooting 89
Status Light Descriptions 90
Print Quality Problems 92
^MN command in 93
O and Q commands in the EPL 93
Manual Calibration 95
Troubleshooting Tests 96
Communications Diagnostics 97
Feed Button Modes 100
Appendix 101
Parallel Interface 103
Ethernet Interface 104
Serial Port Interface 105

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Zebra GX420d Guida Utente Pagina 88

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