Label Printers

The label printer market is not as wide as desktop printer market, due to their specific application. Nevertheless, price and functionality competition among them exists.

Mail Factory supports printing on DYMO, Seiko Instruments and Brother label printers. Their work bases on direct thermal printing technology. It allows to print without classic supplies like toner and ink. You will spend only labels.

There are two basic methods for thermal printing: direct thermal and thermal transfer. Both methods use thermal print head to put an image on the label surface.

Direct Thermal

This is a general purpose printing technology for most industrial and office applications.
The technology uses heat-sensetive media, usually it is a paper with heat-sensetive front side and self-adhesive back side. Labels are distributed in rolls (about 150-300 labels per roll). Heated by the printing head, area of label surface becames black. Modern printers can print in half-tones.

One of the main disadvantages of this technology is short life term of labels. Label images are sensitive to heat (it is clear why), as well as ultraviolet (UV) and sun light exposure. Labels loose contrast due to them. Printed images may also fade over time. Some labels have a special coating that makes them water, chemical, UV and sun light resistant, so they can be used in the open-air.

The advantage of direct thermal printing is hight quality at lower cost than with thermal transfer method. Due to high-contrast, direct thermal labels are widely used for printing automatically scanned data like bar codes. This makes them very popular for shopping purposes, as store price labels, name tags and so on (mostly when their usage term is limited to several months).

Thermal Transfer

This is a two-ribbon technology. A thermal transfer ribbon is located between heating head and label ribbon. The printer heats areas of a thermal transfer ribbon above a certain temperature — approximately 250°F (121°C). Pigment is melted and absorbed by the label material.

Thermal transfer labels have much better quality and durability than direct thermal technology provides. They can also be chemical, ultraviolet and temperature resistant. Thermal transfer labels are better for permanent product identification for outdoor and industry applications (including medical and laboratory rooms).
Images made by thermal transfer printing have very good edges (no pixel structure), which is important for bar code scanning and automatic recognition.

Some thermal printers (including direct termal) allow to print on plastic and fabric tapes. Thermal transfer printers allow printing on wide range of materials with special characteristics, like: polyethelyne, polymide, nylon, polyester and many other.
Some types of polyester ribbons have life term up to 5-8 years.

Printer manufacturers usually produce labels for their printers.

Regular Printers vs. Label Printers

The good side:

• The main advantage of a label printer is that it prints on individual labels. With typical desktop printers, you need to feed an entire sheet even if you want to print just one label. Of course, you can specify the start position in Mail Factory and re-use partially used sheets — but it adds additional steps. Besides, most printer manufacturers don't recommend running a sheet of labels with one label missing through your printer (possibility of a jam or labels peeling off) — so you either wait until you have enough to fill a sheet of labels or waste some of the labels on the sheet.
• Label printers print accurately enough and usually don't require calibration. Paper jamming is almost impossible. The thermal technology ensures that your labels have better water-proof capabilities than materials printed by using the inkjet technology.
• You can forget about ink or toner. Just put inside a roll of label paper, and you're ready to go.
• Small footprint and cute looks — these printers are so tiny, you can easily keep one right on your desk.
• Finally, they are incredibly easy and fun to use. Due to small mechanical parts, label printers are quiet and consume less energy.

All this makes label printers perfect for low-volume or occasional printing — especially if you appreciate ease-of-use and can't afford wasting a minute on what should take just a couple of seconds.

The bad side:

• You have to invest in a separate printer.
• The label size is limited to several inches.
• The per-label cost of thermal paper is higher than that of regular labels.
• Switching from one label type to another is more difficult — you have to remove the entire roll of, say, address labels, and feed in a new roll to print, say, a file folder label.
• If you need to print a lot of labels at one go — for instance, a mailing list of 100 or 1000 addresses ? you'd be better off with a laser or inkjet printer and label paper.

Seiko Printers

Seiko Instruments produces Smart Label Printers. They are represented by three models SLP-410, SLP-420 and SLP-430.
SLP-410 is the most affordable model. SLP-420 has extended list of supported labels. SLP-430 is the faster in the model line.
Printers use Direct Thermal technology.

See Seiko Web site for more details.

Brother Printers

Two models of Brother printers QL-500 and QL-550 are very similar. Both printers use Direct Thermal technology.

They have the following parameters:

• Maximum label width — 62 mm
• Resolution — 300 dpi
• Print speed — Up to 90mm per second/50 labels per minute

Compatible tapes:

• Standard Address Labels
• Shipping Labels
• File Folder Labels
• Multi-Purpose Labels
• CD/DVD Film Labels
• Large Address Labels
• Small Address Labels
• White Continuous Paper Rolls
• White Continuous Film Rolls
• Yellow Continuous Film Rolls
• Clear Continuous Film Rolls

In contrast to other supported by Mail Factory printers, Brother printers have tape cutter: QL-500 — manual and QL-550 — automatic.
They are bigger than printers from other manufacturers because they have internal power adaptor.

Estimated Street Price: $129.99

See Brother Web site for more details.

DYMO Printers

The LabelWriter 400 series is similar to the more recent 310 and 330 series, but provides higher print speed. Two others are remarkable because can handle two label rolls at the same time.

Label purpose:

• Address Labels
• Large Address Labels
• Return Address Labels
• Shipping Labels
• DYMO Stamps
• File Folder Labels
• Media Labels
• Name Badges and Supplies
• Appointment/Business Cards
• Small Labels
• Receipt Paper
• Holiday Labels

See Dymo web site for more details.

Nick Shubin
Last reviewed: April 2008

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