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Adjusting the Print Width

Replacing a Partially Used Transfer Ribbon

To remove used transfer ribbon, perform the following steps.

1.Cut the ribbon from the take-up roll.

2.Remove the take-up roll and discard used ribbon.

3.Remove the supply roll and tape the end of any fresh ribbon to prevent it from unwrapping. When reinstalling a partially used supply roll, tape the cut end onto the empty take-up roll.

Adjusting the Print Width

Print width must be set when:

•You are using the printer for the first time.

•There is a change in media width.

Print width may be set by:

•The Windows printer driver or application software such as ZebraDesigner™.

•The five-flash sequence in Feed Button Modes on page 76.

•Controlling printer operations with ZPL programming; refer to the Print Width (^PW) command (consult your ZPL Programming Guide).

•Controlling printer operations with EPL Page Mode programming, refer to the Set Label Width (q) command (consult your EPL Programmer’s Guide).

Adjusting the Print Quality

Print quality is influenced by the heat (density) setting of the printhead, the print speed, and the media in use. Experiment with these settings to find the optimal mix for your application. Print quality can be set with the Zebra Setup Utility’s ‘Configure Print Quality’ routine.

Note • Media manufactures may have specific recommendations for speed settings for your printer and the media. Some media types have lower maximum speeds than your printer’s maximum speed.

The relative darkness (or density) setting can be controlled by:

•The six-flash sequence in Feed Button Modes on page 76. This will overwrite any ZPL and EPL programmed darkness/density settings.

•The Set Darkness (~SD) ZPL command (consult your ZPL Programming Guide).

•The Density (D) EPL command (consult your EPL Programmer’s Guide).

If you find that the print speed needs to be adjusted, use:

•The Windows printer driver or application software such as ZebraDesigner™.

•The Print Rate (^PR) command (consult your ZPL Programming Guide).

•The Speed Select (S) command (consult your EPL Programmer’s Guide).

P1052686-001

GC420t™ User Guide

5/22/2012

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Zebra Technologies GC420t manual Adjusting the Print Width, Adjusting the Print Quality
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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.
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