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Thermal Transfer BOPP

This is a synthetic material which can be printed on using a thermal transfer label printer. BOPP stands for Bi-axial Orientated Polypropylene. This means it cannot be torn easily at all in both directions and will only stretch a small amount if stretched. This is commonly used where labels have to go outside and be exposed to water. Common uses are plant nurseries, hardware stores, asset labels etc.

Thermal Transfer PET

This is a premium synthetic material which can be printed on using a thermal transfer label printer. PET basically means Polyester. PET is a stronger material and works better in extended periods of direct sunlight than the BOPP as it has better UV stabilisation. PET will not stretch at all so keeps its shape longer. The difference between PET and BOPP only show in extreme conditions. Common usage for PET is with jewellery labels (under hot lights) and long-term usages under a hot sun.

Silver Mylar

Silver Mylar is a common term for a high strength polyester material which has a matt or satin silver finish. This material is also known as Chrome Polyester, Chrome PET etc. This material has all the characteristics of the Thermal transfer PET but it's satin silver finish is preferred for labels applications such as Asset labelling, machinery labels, barcode labelling for mobile phones and other higher cost items. Asset Labels could be White PET or Silver Mylar depending on colour preference.

1. Why do I need a ribbon at all?

If you are printing thermal direct, you do not need a ribbon. In this case, the paper has a thermal coating that allows the print to show on the labels when the print head applies heat. However, this form of printing is limited and has longevity issues. It is similar to the process used to print thermal receipts from supermarkets.

If you want the print to last and look good for some time, you need to print thermal transfer (using a ribbon). Thermal transfer printing means that the print head applies heat to parts of the ribbon, melting the ink. The melted ink is then transferred to the label. This type of printing produces permanent prints that can be applied to a wide range of materials. It also lasts much longer than thermal direct labels.

2. What are the differences between Wax, Wax Resin and Resin ribbons?

Wax ribbons are the cheapest type of ribbon. They are made almost entirely of wax, which is a soft material that scratches and smudges easily. wax ribbons are good for printing on labels with a rough surface.

Wax/resin ribbons are the most common type of ribbon that we sell. They are a combination of wax and resin, which is a harder material that provides more scratch and smudge resistance. Wax/resin ribbons can be used on most label materials.

Resin ribbons provide the best scratch and smudge resistance. However, they can be more difficult to print with than wax or wax/resin ribbons. The correct label material, printer heat, and speed settings are vital for a good result. Resin ribbons are often used for labels that need to be durable, such as asset labels, machinery labels, and labels that will be used outdoors.
What has head temperature and print speed got to do with the ribbon?

3. What has head temperature and print speed got to do with the ribbon?

The different types of ribbons (wax, wax/resin, and resin) need different head temperatures to melt the ink from the ribbon onto the label material. Even within the ribbon categories, some variation may occur. The speed that the label is being printed also has a direct impact on the quality of the print. If the printing speed is too high, the ink will not have time to get to the right temperature and the print will not turn out very well. Having the print head too hot can also have a detrimental effect on the print quality.

4. What size ribbon do I need?

To reduce print head wear, the ribbon should always be wider than the total label (and backing) width. Other considerations are the core size and the maximum outside diameter that your printer can take. If you are not sure, please let us know the label size and printer type so we can help you.

5.  What is the difference between ribbons for near edge printers and flat head printers?

There are two common types of print heads in label printers: flat head and near edge. Flat head printers have heating elements located in the center of the print head, while near edge printers have print elements located closer to the trailing edge (hence the term “Near Edge”). The most common printer brands such as Zebra, Intermec, Datamax, and others are flathead printers. We can help you with your printer if you need to check what type it is.

Selecting the right Barcode Scanner

One of the most important factors to consider when choosing a suitable barcode scanner is the type of scanning engine built into it, and is ultimately dependent on the type of barcode you will be using and reading in your business operations, and the performance of the unit you will require.

Important questions you should ask yourself before purchasing a scanner:

• Is it compatible with your software?
• Can you stay connected to your PC or Tablet 
• Where will the scanner be used? 
• Is it a rugged environment? 
• How often will it be used? 
• What kind of barcodes will you be reading? 

There are 3 main types of scanning engines:  Laser, Linear Imager, 2D Area Imagers

LaserScanners (1D)

This is the most common scanner type, and uses a red diode laser to read the reflectance of the black and white spaces in a barcode. Laser Scanners can only read standard linear (1D) barcodes and are usually the most cost effective option. 

Laser Barcode Scanners are mostly available in Handheld / “Gun” form, but are also used for counter top and fixed mount applications. Laser scanners provide excellent scanning accuracy and productivity, and in turn allows operators to achieve high productivity

Laser scanners offer a number of advantages for a multitude of applications and should be considered the technology of choice for:

• Decoding at long distances
• For Self-Service shopping 
• Decoding UPC / EAN and other 1D barcodes, used in retail
• Applications that require motion tolerance
• Outdoor use

Most standard laser scanners can read barcodes from a few inches to a foot or two away depending on the size of the barcode. There are also extended range laser scanners, which can read up to 35ft away when using large, reflective labels. Laser scanners are capable of decoding barcodes over wide ranges and can achieve 50% more range than digital imagers.

While laser scanners may prove to be advantageous in specific applications, other markets and business operations are better suited for digital imagers or a combination of both technologies.

Linear Imagers (1D)

Linear imager scanners, like Laser Scanners, can also only read 1D barcodes. 

These imagers do not read reflected light from the laser, they take a picture of the barcode, and then analyse this image to extract the information from the code. 

Linear imagers have become a good replacement for Laser Scanners, as the read ranges and costs have become more aligned. It is also true that a Linear Imager does a better job of reading poorly printed or damaged barcodes, compared to Laser Scanners. 

For applications that need a more aggressive scanner, a linear imager will be a better fit, for the same cost.

2D Imagers 

2D imagers also capture an image to analyse, just like the Linear Imager, but these scanners can read all types of barcodes, including 1D, 2D and stacked. 

Another important and useful advantage these Imagers have is that the orientation of the barcode is not important when reading (i.e. omni-directional). With Laser Scanners and Linear Imagers, you have to line up the indicator horizontally across the barcode, and this takes up valuable time.

A 2D imager is more intelligent and is taking a more detailed image, and can read a code in any direction, resulting in faster reads with less aiming. In addition to 1D barcodes, digital imagers (also known as area imagers) can decode 2D barcodes, and 2D barcodes can be encoded with significantly more information than 1D barcodes.

This makes Digital Imagers beneficial to:

• Transportation
• LogisticsT
• Tracking applications

Area also imagers have the capability of reading Direct Part Marking (DPM), a method of permanently marking a product. DPM is growing in popularity and allows a product to be tracked throughout its life.

Digital imagers offer many advantages in certain applications, but area imagers are not to be confused with linear imagers. Although data is captured in a similar way, linear imagers aren’t capable of decoding entire images or 2D barcodes as an area imager can.

2D imagers can also read barcodes off of most surfaces including a phone screen or monitor, and as a result are becoming more popular in most industries to speed up scanning applications and to help expand ways in which barcodes are used.

Imagers have proven to be beneficial in the following applications / areas:

• Decoding critical tracking information
• Reading Smartphone & Tablet screen barcodes on email
• Decoding all kinds of 1D and 2D barcodes
• Decoding DPM (Direct Part Marking)
• Capturing images for inventory management
• Combining barcode decoding, image capture, and signature capture in a single device

Please contact LabelMate for advice on the right scanner for your business operations and environment.

The Epson CW-C4010 is a very popular colour label printer in Australia and is used for many applications, including food labels, hand sanitiser labels, bottle labels, and freezer labels.

LabeMate sells the Epson C4010 Inkjet compatible label material on rolls, either die-cut to size or continuous material using the cutter on C4010 to size the labels.

When the correct material designed specifically for the Epson CW-C4010 is used, the ink does not smudge or bleed. If exposed to higher levels of UV light, the label may after one year start to fade slightly, and labels maintain their quality best in the freezer due to the very low UV exposure.

The Epson C4010 can be used to print Freezer Labels

Please ask for freezer adhesive, and also advise if the label will be stuck onto the product before or after the product is frozen, as these are two different types of adhesive.

The Epson C4010 can be used to print Outdoor Labels

Please ask for synthetic material, and also advise if the material the label will be stuck onto, i.e wood, metal, plastic, as there are many different types of adhesives. Labels exposed to direct sunlight do not last very long.

Epson CW-C4010 Printing Cost

A study published by TUV Rheinland compared the ink printing costs of the CW-C4010, VIP Color VP495, and Primera LX900e, and the conclusion was that the Epson C4010 cost per print was the lowest of the three models.

Epson CW-C4010 Printing Resolution and Quality

The CW-C4010 printer can be set at 360dpi x 360dpi for Speed Print Mode, or 720 dpi x 360 dpi for Quality Print Mode. The Epson CW-C4010 is a very well made and user-friendly label printer that is well suited for businesses that require print-on-demand labels. The Epson CW-C4010 does not print ultra-realistic photographic images, but the print quality is fair, as it is a high-resolution printer. If you are looking for an affordable, extremely durable, fast printing, no bleed, color labeling solution, the Epson C4010 is a very good choice.

At LabelMate.com.au we carry our own stock of the printer, cartridges, and the Maintenance box.

Click here for the Epson C4010 Cartridges

Click here for the Epson C4010 Maintenance Box

Click here for the Epson C4010 Colour Label Printer

The 4 inch wide entry-level TM-C3500 has been replaced with the CW-C4010 printer, and is rated at around 500 labels per day, with relatively low print resolution compared to the other printers. The CW-C4010's typical print cycle would be less than 5 print jobs at a time.

Pigment Inkjet Colour Label Printers

The most popular pigment inkjet colour label printers in Australia are the Epson CW-C4010, CW-C6010, TM-C7500, VIPColor 495 and Primera LX2000 colour label printers. These colour label printers are ideal for printing highly durable labels.

These colour label printers print using pigment-based inks, that dry instantly, resulting in labels that do not smudge or smear.

Pigment inkjet colour label printers also offer better resistance to chemicals, oils, water, UV light, and abrasions when printed on, for example, matte chemical label material.

Pigment inkjet colour label printers are good options if you need to print durable labels, tags, tickets, or wristbands.

Dye-based Inkjet Colour Label Printers

Dye-based inkjet colour label printers, such as the Primera LX900, LX400, VIPColor VP485, or the Epson TM-C7500G (Gloss), are best for printing labels with much more vibrant colours as well as higher resolutions, ideal for product labels on glossy paper, polypropylene, clear labels and polyester labels.

Dye-based inkjet printers also have the largest selection of different materials print labels with.

Ensure your barcodes scan first time, every time, all over the world.

With the GS1 Australia barcode check, GS1 validate barcode.

Quality barcodes help to deliver uninterrupted supply chain performance, and testing barcodes prevents the costs associated with non-compliance, and fosters stronger trading partner relationships.

It's preferable to submit your barcodes in their final form, however GS1 can also test loose labels and packaging.

GS1 have tested more than 1.5 million barcodes to ensure they scan first time, every time.  

GS1 test on a range of factors - including compliance to global standards, size, colour, print quality, numbering and more.

Once tested, GS1 will provide you with a GS1 Australia Bar Code Verification Report, indicating the compliance of your barcode and if necessary, any changes you may need to make.

General

So how does a barcode work?

Essentially, a barcode encodes information in a visual pattern that is readable by a machine. The black and white bars (elements) combination, represents different text characters, which in turn follows a fixed algorithm for that barcode type. If you change the sequence of the elements you will get different text. The barcode scanner device reads this pattern of black and white and turns it into a line of text your computer can process and understand.

Is the price included in the barcode?

A barcode can hold any type of text information you want to encode, but with standard product labels the price is generally not encoded. The main purpose of the barcode is to denote what product it is and your Point of Sale Software or database will have the pricing associated to this product ID.

What is the difference between a 1D (linear) barcode and a 2D barcode?

A 1D (linear) code is the typical black and white stripe style barcode that people are most familiar with. There are several versions of 1D codes, some of them encode only numbers while others can encode keyboard characters, and all the information in the code is organized horizontally, from left to right. These codes can be read by any type of barcode scanner, including 2D scanners. 2D barcodes are more complex because they have to organize information vertically and horizontally. This allows 2D codes to hold more information and take up less space, compared to a 1D code. 2D codes can only be read properly by a an imager scanner.

How many characters fit into a barcode?

It depends on the specific barcode type.  1D barcodes can have for example 20-25 characters whilst 2D barcodes go up to a maximum of 2,000 characters. The only practical concern is that when you increase the amount of information in the barcode, it will become bigger in size, especially with 1D barcodes, and therefore most people encode 8-15 characters.

What is the smallest I can make a barcode?

Barcodes can come in a wide range of sizes and can get down to as small as a 80.645mm² square when using a 2D code. But there is a trade off, since making such a small code will limit the amount of characters you use, and will also require a quality high resolution label printer to print the best quality barcode label possible. The smaller a code becomes, the more difficult it becomes to read by the scanner.

 UPC Barcode and UPC Number

Who needs a UPC number?

If you supply products to a distributor or a retailer, you will most likely need a UPC barcode. Contact the company selling your product to find out their policy on UPC barcodes if you are not sure. When you obtain an UPC number, you will also receive a certificate authenticating your number. Most retailers require proof of the certificate to verify that your number is unique and authorized.

How do I get a UPC number in Australia?

GS1 AU can issue you a globally unique "GS1 Company Prefix" that is used to create UPC numbers.  Click here to apply: Apply for an Australian UPC Barcode

How much does a UPC number cost?

The number of unique products you need to identify and as well as gross sales revenue determines the fee. Prices vary greatly, GS1 can give you an accurate cost for this.

What is a UPC barcode?

You are probably familiar with the barcodes you see on most packaged products. These barcodes are in the UPC-A code format. It is 12 digits long and looks like this:

The UPC number itself is known as the GTIN (Global Trade Item Number) and is made up of two parts:

1. The UPC Company Prefix (see above diagram) and
2. The number you have assigned to a unique product.

The UPC Company Prefix is between 6 and 10 digits long, and is assigned to you by GS1 Australia. The number of products you will need to assign numbers to will determine the number of digits required. E.g., if you have thousands of products, your company prefix will need to be fewer digits. If you have just a few products, your company prefix will likely be almost 10 digits long. This company prefix number will represent you as the manufacturer of all of your products, as well as in all the EDI (Electronic Data Interchange) applications.

Your Unique Number, used to reference a specific product, is called an "Item Reference Number." This number is not assigned by GS1 Australia - it is up to the manufacturer to assign the unique Item Reference Number for a product.

The last number on the barcode is a check digit calculated from the previous 11 digits, it is not randomly assigned and the barcode label printing software you use to create your labels will calculate the check digit for you. You can contact LabelMate for help with selecting a label printing software to meet your business needs.

Printing your own UPC barcodes

Once you have a unique GS1 number, contact LabelMate for assistance with selecting a barcode label printer, barcode software, and barcode labels. We can also recommend a compatible and suitable barcode scanner.

More information on UPC from Wikipedia: http://en.wikipedia.org/wiki/Universal_Product_Code

Printing Barcodes

What is the difference between thermal transfer (TT) and direct thermal (DT)?

The Direct Thermal method uses a label coated with a heat sensitive layer and not a ribbon or ink to print. The image is burned into the paper, with the Thermal Transfer method you use a ribbon to print onto the label. Direct Thermal labels will fade over time (aprox. 12 months) and is not a good choice for environments with high temperatures or sunlight exposure, and Thermal Transfer print is a more permanent and will not fade.

What is 'DPI'?

Dots Per Inch (DPI) is a measure of a printer's resolution, the higher the DPI number the finer the print will be. For most applications, 203 dpi is suitable, but in cases where logos/images or very small labels are being made you want 300 or 600 DPI.

How many labels are on a roll?

It depends on how tall the label is, the shorter the label the more you will get per roll.

How do I make a barcode label?

With your barcode label printer , media and barcode label design software you can create and print a label. The software allows you to place barcodes, text, and images to fit your design requirements and then prints from you label printer.

What’s a dispenser?

A dispenser is an accessory available on most label printers and peels the backing off from the label as it ejects from the printer. This is very useful when you have to apply the label immediately after print, as it saves time for the user. The function can also be disabled if not required.

The difference between 'desktop' and 'tabletop' printers?

Label printers are divided into two categories based on their size and maximum print duty cycle: 1) Desktop printers are smaller than tabletop printers and best for low volume applications such as office labeling or a small retail store. 2) Tabletop printers are meant for high volume scenarios, making hundreds or thousands of labels daily, and are a lot more robust for handling harsher environments.

Barcode Scanning & Scanners

How does a barcode scanner work?

A barcode scanner picks up the alternating black and white elements on the barcode which follows a specific algorithm that is turned into a corresponding text string by the barcode scanner. This information is sent over to your computer by the barcode scanner in the same way a keyboard does. The string of text you scanned will populate where ever your cursor is on screen of the software application you are using at that time. (E.g. Notepad)

Do I need any specific software to use a scanner?

Barcode scanners do not require any specific software or driver to function properly. Your computer will recognised it as a general input device because the scanner emulates itself as a keyboard.

How long is the range of a cordless barcode scanner?

The range of cordless barcode scanners vary by model but most units use Class 2 Bluetooth technology and thus have a range of 10 meters. Some of the rugged barcode scanners use Class 1 Bluetooth which has a range of just over 90 meters.

Can I read a barcode off of a computer screen?

To read a barcode from a computer screen you will need a 2D imaging scanner as it processes images, and not reflected light. A basic laser barcode scanner will not read anything from a computer screen.

How long is the cable on most scanners?

Most barcode scanners come with a 1.8m cable but longer lengths are available for most models.

Can my scanner read a 2D barcode?

2D barcodes require a specific type of scanner, called a 2D Imager. The common laser barcode scanner reads codes by reflecting light from the black and white lines of a barcode and only reads horizontally across the barcode. An imager scanner takes a picture of the barcode and analyses this picture to decode the information. 2D barcodes data are organized vertically and horizontally, therefore only an imager scanner can properly decode all the information.

Mobile Computers

Do mobile computers come with software?

Mobile computers have an operating system installed on it, but not any additional software. There is a wide range of applications you can install on a mobile computer for specific functions such as Mobile POS, asset tracking and warehouse management.

What is 802.11a/b/g/n ?

802.11a/b/g/n is a wireless communication protocol that’s commonly called Wi-Fi and units with this capability access a wireless network in the same way as a PC or laptop.

What is the difference between Windows Mobile/Windows CE and Windows 7/Vista?

The mobile operating systems have a smilar layout as Windows 7/Vista, but are distinct, and are not compatible with each other, in the same way as a version of Excel, that will run on a Windows Mobile device, is not the same as Excel on your desktop PC.

Can I get online with a mobile computer?

Yes, mobile computers offer two ways to get online. Either with Wi-Fi (802.11a/b/g/n) or through a cellular provider's WAN, as long as you are within the coverage of the network and have the right permission/service to join, you can gain access to the Internet.

ID Card Printing explained

Factors to consider when buying an ID Card Printer:

• Security: Consider lamination for security and durability.
• Printing Capability: One or two side printing.
• Volume: Number of cards you plan on printing.
• Printing Technology: Do you need a border printed on the card, or can you have an unprinted border around the card.
• Encoding: Technology you plan on using with the ID card Magnetic stripe or SmartCard.

Do card volumes impact my choice of printer?

Indeed. The cost and capability of a label printer will change based on the number of cards you plan to print. Label printers are grouped into three categories: 

• Premium – These are the most robust printers in the industry and they tend to occupy a larger footprint and offer more options for lamination and other printing technologies. The printers in this category typically handle a volume of 10,000 – 30,000 prints and it is designed for high volume and high security requirements.
• Standard – These printers are a step up in design and printing capabilities. This class of printer also offers reliable print output with a moderate footprint.  The printers in this category typically can handle 1,000 – 10,000 prints and works well for small and medium businesses.
• Value – These are the most economical of all the ID Card printers, with a limited footprint and scaled down printing capabilities, this printer is perfect for small printing jobs  and perfect for print volumes under 1,000 prints.

Should I buy a single or dual side printer?

Single Side printers are ideal for ID cards with limited cardholder information and Dual Side printers are ideal for situations when significant amounts of data need to be captured on the card. Some information can be moved to the back of the card, so that the front remains uncluttered with fewer distractions.

What’s the difference between “Direct to card” and “Reverse transfer”?

Reverse Transfer is less common and transfers an image to a retransfer film. The film is applied to the blank card which provides "over the edge" coverage and a vibrant, durable print.

Direct to Card (DTC) is the most common card printing technology and basically heats a print ribbon beneath a thermal print head. The color is transferred to a blank card, and the images have sharp edges, deep blacks and also a full spectrum of colors. There is an unprinted border around the card, printing close to the edge can cause expensive print head damage in DTC printers.

Do I have to laminate my ID Cards?

Lamination on an ID Card printer provide the following benefits:

• Cost savings: Printers with laminating capabilities have a larger upfront cost, but they yield significant cost savings further down the road due to the elimination of security incidents and also due to a reduction of card printing supplies.
• Durability: Lamination provides extra durability for standard ID Cards and purchasing a printer with a laminating option is ideal for cards used in harsh conditions/environments and situations where continual use provides excessive wear and tear on the cards.
• Security: Lamination provides an extra layer of security for the ID card by reducing the possibility of counterfeiting and also reducing the risk of tampering with the information contained in the card.

What encoding options do I have for my card?

• Contact Smart Card: A small contact area on the card, comprised of several gold-plated contact pads are embedded onto the card. These pads provide electrical connectivity when touched to or inserted into a reader
• Magnetic Stripe: These cards are capable of storing data on a band of magnetic material/strip. The magnetic stripe (also commonly known as swipe card or magstripe) is read with physical contact when swiped past a magnetic reading head.
• Gen 2 UHF RFID: RFID cards store data that’s read through radio waves at wider read ranges, and allow multiple card reads at the same time, and are extremely secure
• Contactless Smart Card: These cards contain a re-writeable smart card microchip that can process and store data, they also communicate with a terminal via radio

With som many new models being released by Zebra, we have identified the replacement models for the well-know Zebra label printers used in Australia:

The Zebra ZD411 2 inch wide Direct Thermal label printer replaces the Zebra ZD410 Direct Thermal label printer.

The ZD411 Thermal Transfer model replaces the TLP2824 Thermal Transfer label printer using ribbons to print on plain paper or synthetic material.

The Zebra ZD220D Direct Thermal Label Printer replaces the Zebra GC Series 4" GC420D. The ZD220D is perfect for printing low to medium volume shipping labels and retail labels and uses the direct thermal printing method (no ribbons required).

The Zebra ZD220T Thermal Transfer Label Printer replaces the Zebra GC Series 4" GC420T.  The ZD220T uses ribbons and is perfect for printing low to medium volume shipping labels and retail labels where the label needs to last a very long time and uses ribbons to print on plain paper or synthetic labels, or you can just print shipping labels using the direct thermal method without any ribbons.

The Zebra ZD420D Direct Thermal Label Printer replaces the Zebra GC Series 4" GK420D. The ZD420D is perfect for printing medium to high volume shipping labels and retail labels and uses the direct thermal printing method (no ribbons required).

The Zebra ZD420T Thermal Transfer Label Printer replaces the Zebra GC Series 4" GK420T. The ZD420T uses ribbons and is perfect for printing medium to high volume shipping labels and retail labels where the label needs to last a very long time and uses ribbons to print on plain paper or synthetic labels, or you can just print shipping labels using the direct thermal method without any ribbons.

The Zebra ZD620D Direct Thermal Label Printer replaces the Zebra GC Series 4" GX420D.  The ZD620D is perfect for printing medium to high volume shipping labels and retail labels that require 300 dpi high-quality printing and uses the direct thermal printing method (no ribbons required).

The Zebra ZD620T Thermal Transfer Label Printer replaces the Zebra GC Series 4" GX420D. The ZD620T uses ribbons and is perfect for printing medium to high volume shipping labels and retail labels where the label needs to last a very long time, and the label must be printed with 300 dpi high-quality printing. The printer uses ribbons to print on plain paper or synthetic labels, or you can just print shipping labels using the direct thermal method without any ribbons.

Both the ZD420 and ZD620 Zebra label printers have an upgradable design, that allows you to change the interface, add a cutter or peeler, and self install many other accessories or upgrades. The ZD620 is faster than the ZD420, and also has a user-friendly LCD display, to help speed up the time it takes to print labels.

This comparison of the Zebra series of 4 inch desktop label printers includes the GC420, GK420 and GX420 printers

These are alll desktop printers suited for light to medium volume barcode and label printing, and include 2 inch and 4 inch printers. 2 inch printers are used mostly for printing barcodes up to 54mm wide, and 4 inch printers are used mostly for printing shipping labels and larger barcode labels. All the models are available in either direct thermal technology (Model "D"), or direct thermal and thermal transfer techonology (Model "T"), and come in either 203 dpi or 300 dpi print resolution.

The main differences between these three lines of printers are their print speed and interface options. As the price increases it will provide more interface options, additional options such as auto cutters, and better print speeds.

Here is a summary of the benefits and differences of these label printers:

Zebra ZD220 (Replaced the Zebra GC420 and TLP2844)

A simple, entry-level desktop label printer in this series, and is the most competitively priced.
Delivers quality, durability and reliable performance for low to medium volume printing applications.
Print speed: 4 inches per second .
Interface options: USB, Serial, Parallel.

Zebra ZD420 (Replaced the GK420 and Zebra LP2844)

A solid mid-range printer in this series, reliably prints clear labels and barcodes. 
Has faster print speeds and network manageability for medium to large organisations.
Fast print speed: 5 inches per second.
Interface options: Ethernet, USB, Serial, Parallel.

Zebra ZD620 (Replaced the GX420 and GX430)

The highest-performance printer in this series, the ZD510 is flexible and and efficient. 
Provides the fastest print speeds, and packed with extra features and options.
Print speed: 5 inches (GX420) and 6 inches (GX430) per second.
Interface options: WiFi 802.11b/g, Bluetooth, Ethernet, USB, Serial, Parallel.
Additional options include: LCD screen, Adjustable media sensor for black line media, Auto Cutter