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Zebra Technologies GC420t manual Replacing Supplies, Determining Thermal Media Types

Models: GC420t

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Replacing Supplies

Determining Thermal Media Types

Thermal transfer media requires ribbon for printing while direct thermal media does not. To determine if ribbon must be used with a particular media, perform a media scratch test.

To perform a media scratch test, complete these steps:

1.Scratch the print surface of the media with a finger nail or pen cap. Press firmly and quickly while dragging it across the media surface. Direct thermal media is chemically treated to print (expose) when heat is applied. This test method uses friction heat to expose the media.

2.Did a black mark appear on the media?

If a black mark...

Then the media is...

 

 

Does not appear on the media

Thermal transfer. A ribbon is required.

 

 

Appears on the media

Direct thermal. No ribbon is required.

 

 

Replacing Supplies

If labels or ribbon run out while printing, leave the printer power on while reloading (data loss results if you turn off the printer). After you load a new label or ribbon roll, press the Feed button to restart.

Always use high quality, approved labels, tags and ribbons. If adhesive backed labels are used that don’t lay flat on the backing liner, the exposed edges may stick to the label guides and rollers inside the printer, causing the label to peel off from the liner and jam the printer. Permanent damage to the printhead may result if a non-approved ribbon is used as it may be wound incorrectly for the printer or contain chemicals corrosive to the printhead.

Adding a New Transfer Ribbon

If ribbon runs out in the middle of a print job, the indicator lights red and the printer waits for you to add a fresh roll.

1.Keep the power on as you change ribbon.

2.Open the top cover, then cut the used ribbon so you can remove the cores.

3.Load a new ribbon roll and empty ribbon core. If necessary, review the Ribbon Loading steps. Note: Do Not Use ribbon cores with damaged notch. The notches should have square corners.

4.Close the top cover.

5.Press the Feed button to restart printing.

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5/22/2012

GC420t™ User Guide

P1052686-001

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Page 45
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Zebra Technologies GC420t manual Replacing Supplies, Determining Thermal Media Types, Adding a New Transfer Ribbon
Page 44 Page 46

GC420t specifications

Zebra Technologies GC420t is a compact and versatile thermal transfer printer designed for a variety of printing applications. This printer is particularly favored in retail, healthcare, manufacturing, and logistics due to its robust performance and user-friendly features.

One of the standout characteristics of the GC420t is its print speed. This printer can achieve speeds of up to 5 inches per second, making it efficient for high-volume printing tasks. With a maximum print resolution of 203 dpi, the GC420t produces clear and legible labels, receipts, and tags, which is essential in environments where accurate information is critical.

The GC420t utilizes thermal transfer technology, which involves the use of a ribbon to transfer ink onto the substrate. This method is particularly beneficial for producing high-quality prints that are resistant to smudging, scratching, and fading. This durability makes it suitable for labeling products that require a long-lasting solution.

In addition to its printing capabilities, the GC420t features a user-friendly design. The printer's simple setup and intuitive control panel make it easy for users to operate without the need for extensive training. The included ZPL II and EPL programming languages enable seamless integration into existing systems, further enhancing the ease of use.

The GC420t is also equipped with diverse connectivity options, including USB, serial, and parallel interfaces. This flexibility allows for easy integration into various environments and simplifies the connection to computers and other devices. Moreover, the printer's compact design ensures it can fit comfortably in small spaces, making it ideal for environments with limited room.

When it comes to media handling, the GC420t supports a wide range of label sizes and types. Whether you need to print shipping labels, barcode labels, or asset tags, this printer can accommodate your requirements. The adjustable media guides allow for quick and easy adjustments to suit different media types.

In conclusion, Zebra Technologies GC420t stands out as a reliable, efficient, and user-friendly thermal transfer printer. Its robust features, including high print speed, durable output, versatile connectivity options, and adaptability to various media types, make it an essential tool for businesses looking to enhance their labeling and printing processes. Whether in retail, healthcare, or logistics, the GC420t delivers performance and reliability that organizations require.