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Pushing the Envelope Beyond Ordinary

Printing an Envelope the Right Way

Posted by Jerry Velona on Jan 27, 2014 11:35:00 AM

man looking at envelope

There are two main criteria for deciding how to print your envelopes: aesthetics and price – or most commonly a combination of the two.

The aesthetic or look of the piece is generally going to be determined by marketing factors; i.e. the purpose for which the envelope will be used. A simple function like letterhead or mailing an invoice will not require an elaborate look. In fact, going overboard on design for an envelope with a modest purpose might actually send the wrong message such as; “We’ve got way too much money to spend so thanks to all our customers for putting us in this position.”   On the other hand if you’re selling something – a new and exciting product or service, you’re probably going to want match the excitement of the offering with the appropriate graphics and color.

Fortunately for direct marketers and small business owners, envelope companies like Elite Envelope & Graphics will generally have the capabilities to print whatever your fertile imagination can create. In a previous blog I described in detail the various ways to print an envelope. These are: lithographic (on flat sheets for converting after the fact), offset (mostly done on Halm brand Jet presses but also can be done on smaller presses like an AB Dick with special envelope feeders), flexographic (typically done in-line while an envelope is being folded) and finally, digital (either on flat sheets for converting or on newer model presses that accept pre-converted envelopes).

Each of the four envelope printing methods listed has its own unique characteristics and uses. The most common method is offset.  The reason for that is because it gives the best look for the best price in most situations.  An envelope can be offset printed at quantities as low as 1,000 at very reasonable prices. The Halm Jet press, which is what most envelope company’s use, is built for speed and higher volumes. Printing on a Jet press will generally become most competitive at around 5,000 pieces and up.

Offset printing is done with metal plates that allow for a sharp, clean image even with halftone screens and fine lines. The Jet Press will allow for the envelope to bleed to the edge and print fairly heavy solid coverage and can print anything from black ink up through and including four color process.  All things considered, Jet Offset printing including four color Jet printing provides many options at competitive prices.

Lithographic (or litho for short) is the way to get the highest print quality when that is required.  The reason for that is a combination of the method and the fact that litho presses tend to be large and sophisticated with many built-in features that allow for very fine reproductions.  When an envelope is designed with full ink coverage on all sides (printers sometimes refer to this as a “paint job”) it is generally printed lithographically on flat sheets.  The individual envelope impressions contained on the printed sheets are then die cut and fed into an envelope folding machine where they are scored, glued and folded into envelopes. This process is referred to as envelope converting.  Lithographic printing and converting is more expensive than printing a pre-made envelope on a Jet press. However, it is necessary for certain graphic designs. One way to reduce cost for this option is to print the copy on a cold web press. These presses can print the same heavy coverage as flat sheet presses but can do so more economically. Elite Envelope & Graphics features cold web printing up to eight colors in addition to the more traditional forms of envelope printing.

Flexographic or flexo is done with hard plastic, photo-polymer plates. The impression is raised on the plate and is applied to the substrate in a similar fashion to the older and mostly out-of-date letterpress process.  Flexo printing in the envelope world is almost exclusively done in-line while the envelope is being folded. Certain larger and more sophisticated envelope converting machines have flexo printing capability which allows the printing and folding to be done at the same time.  This greatly reduces cost especially for large-volume print runs which is primarily where this type of printing makes sense. The high cost to set up these machines to fold and print generally makes flexo printing uneconomical at quantities of 100,000 or less.  While the flexo printing technology has improved to the point where it can produce certain full-coverage items that heretofore could only be printing litho, flexo printing is not going to be as sharp and vibrant as litho or even offset printing. However, for the high-quantity runs, even for four color process, flexo printing can be an excellent option for an envelope.

Lastly, digital printing has made inroads into the envelope market over the past ten years or so. Printing digitally with toner rather than ink can yield good results depending on a few factors.  First, it can only be done with process colors, not spot colors.  Any art file can be converted from spot colors to process but if a company’s logo is to be printed in a certain, specific PMS color, converting to process may not yield an exact match to the PMS chart.  Secondly, digital presses are best suited for small quantities. Printing in general will show lower unit costs as the quantity of a job increases. This is mostly because the set-up of a job is a significant cost that is the same to print 500 pieces as it is to print 500,000. The longer the print run, the more the set up cost can be amortized which allows the unit cost to decrease. The same principle however doesn’t apply to digital printing. There is no comparable set-up cost to a digital print job. It’s similar to printing something from your desktop computer. Once the file is ready to go, you press “print” and you’re off and running. Digital printing is generally priced at a “click charge” or per piece charge. Eliminating the set up cost allows for lower quantity jobs to be relatively inexpensive but since there’s nothing to amortize, the same price applies to every piece in the run. This makes digital envelope printing competitive for quantities up to around 2,500 pieces. After that, you’re better off going offset.

One last benefit of digital printing is if you need variable data on the envelope. Some small mailings can be addressed digitally. Or you can vary your teaser copy or code numbers more easily through digital printing. Elite Envelope and Graphics is one of a few companies that can take digitally printed sheets with variable data and convert them into envelopes.

 

If you have a certain design file and want some advice on how best to print it, send it to me at jerry@eliteenvelope.com and I’ll be more than happy to provide suggestions.

 

 

 

Topics: four color envelope printing, digital envelope printing, envelope offset printing, flexographic envelope printing, flexo printing, flexography, elite envelope, envelope converting, envelope printing, cold web printing, litho envelope printing

Yet Another Blog Post

From Jerry Velona - co-owner,

Elite Envelope & Graphics, Inc.

Jerry offers pertinent, often useful information on envelope converting and printing, web printing, direct mail, the post office, songs that have to do with mail and letters, digital overload and much more!

(Non-spam) Comments always appreciated.  Spread it around!

 

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