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 Advantages of Digital Press

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billy

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PostSubject: Advantages of Digital Press   Sun Oct 21, 2007 6:01 pm

Past TurnOver - you can always tell your client to have a cup of coffee and that before he finished it, His job is done. There will be no color separation, plate making and proofing. It is just a straight Print with the color that he wants. With few hundreds of copies, he does not have to wait for days but only for hours. With corner stapling or dual atapling or in saddle stitching.
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billy

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PostSubject: Re: Advantages of Digital Press   Mon Nov 05, 2007 1:32 pm

Digital printing has several advantages over conventional printing methods:


  • When using digital presses, the content on an application can be changed for every document that is printed, if necessary. Changing the content for each document can be useful for personalizing an application such as a direct mail piece. This method of printing is known as variable data printing.
  • The color gamut or range of color that digital equipment is able to reproduce is much larger than that of traditional offset equipment. This feature of digital printing equipment allows for the best possible color reproduction.
  • Digital print applications can be produced in almost any size format. Equipment is available that can print images as wide as 16 feet and larger images can be produced in sections (tiled). After printing, the individual pieces can be assembled to create the entire image. Large banners or images covering walls of buildings are often created with this method.
  • Depending on the application, digital printing cost are often lower than conventional printing for the shortest runs because the digital workflow eliminates many of the manual operations of conventional processes. Time savings can be gained in prepress and the make-ready time on digital output equipment is less than conventional equipment. The time savings for short runs makes digital printing a good alternative to conventional printing.
  • Using conventional printing methods, large print runs of a document are produced, stored, and pulled from stock as needed. This provides cost savings because the price per document is less on a large quantity than it is on a short run. If changes to the document are required before all of the documents are used, the remainder would have to be destroyed, eliminating the cost savings. With digital printing, there is no need to keep large quantities of an item in stock since it is so easy to make changes whenever they are required. Applications can be printed "on-demand" or "just in time" allowing you to print only what is required, when it is required, reducing the risk of having to destroy obsolete documents.
  • It can be expensive to purchase conventional or digital printing equipment and to keep the technology current, but the savings in make-ready time and the convenience in using digital equipment helps to offset the initial cost and the cost of updates
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icc_user

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PostSubject: Better Choice   Sun Nov 11, 2007 6:31 pm

These are very good information Sir Billy. But, can you please give us an info which of the Digital Press is the most Consistent Printer among Xerox, Konica Minolta, HP Indigo, Oce and Xeikon. I think these are the five Printer available in the Market today. Another thing which of those mentioned has the best Support in Terms of Color Management , parts and Service. This is to give a better choice the buying Public.
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billy

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PostSubject: Re: Advantages of Digital Press   Fri Nov 23, 2007 9:17 pm

Hi icc_user,

Unless all of these Manufacturer agree to submit a printed output from their press, we can find out which one has the bigger gamut to simulate the Press, like the Fogra 27.

For consistency, we need to measure at least 350 prints for the 70 PPM.
For CMS support, I think Globis is supporting FX. Parts is somthing we do not know.

I f ever, you wanted to buy one of these digital presses, you need to ask, the consistency, uniformity and accuracy. You ask them for a demo and ask them to put everything in writing. The biggest problem encountered by these machine is paper. You use an ordinary C2S and you will get a blistering effect or the print on the first side is better than the second side for a toner base, HP indigo claim to be the closest from offset. It uses an electroink, unlike others, toner base and with fusing oil.

Since, all of them are selling color, Ask them to print your files with their best. WHAT YOU SEE IS WHAT YOU GET. The power of the machine lies on the support. you can learn it all soon but what support you can expect from them, how can you print if they do not stock toner or ink, photo drums, ITB , transfer rollers worse is they can not fix or figure out why the colors are not good. Check the backgrounds of the manufacturer and its Graphic Alliances, the CV of the Color consultant as thier sales kit.
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icc_user

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PostSubject: Re: Advantages of Digital Press   Sun Nov 25, 2007 7:53 pm

Oh I see, color management again. I found in this forum that most of the member wants to learn this Color Management thing. Does anyone knows who is teaching? Is it expensive to learn? Or is it hard to learn?
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Sandman

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PostSubject: Re: Advantages of Digital Press   Sun Nov 25, 2007 8:59 pm

Hi icc_user. Color management again? hahaha. Pero if we want to be competitive, wala siguro tayong choice but to learn it...kahit basics lang. But that depends on our needs.

First of, do we want to print as close as possible to ISO, or better than ISO?

If we prefer the first one, then life is much simpler. Wala itong gastos masyado and no need to learn hardcore color management.

To start with, we can use the ISOcoated_v2_eci.icc (TAC320% - 340%) on all our application software. You can download the file at www.eci.org

Next, we HAVE TO require our ink and paper manufacturer to supply us with a certificate of conformance to the international PSO standards (ISO12647-2). I repeat....HAVE TO. This way, we will know if our inks and paper are really able to give us good colors.

Remember that we are entitled to ask for this certificate. That's what we do here. If the certificate indicates conformance....then no need to worry. VERY VERY IMPT...make sure they also provide you with their recommended ink densities for each color...say...for a particular paper type. They always do.

With additional process controls here and there, this method should work, believe me. It's not perfect, but at least COLOR WISE....wala masyadong sakit ng ulo. All the colors of the ISOcoated_v2_eci.icc profile are based on ISO12647-2....and if your paper color and inks are certified, and you print your job with the recommended ink densities....then you're speaking the same language. Dotgain na lang ang kailangan mong sukatin and then feed your actual press dotgain (per color unit) sa RIP.

Now, if you want to print better than ISO....meaning having a larger color gamut than the standards....I think you will need somebody to help you with standardization, calibration and profiling. Somebody who sleeps and then dreams with L*a*b* colors......a color geek like Billy. I like my dreams CMYK. hehehe.

Regards.
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GOR



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PostSubject: Re: Advantages of Digital Press   Tue May 20, 2008 11:55 pm

This is a very good topic. Let's try to keep it alive guys.

What is the price range of a digital press nowadays? Are the specs of the brands available in the market comparable?
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billy

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PostSubject: Re: Advantages of Digital Press   Wed May 21, 2008 6:16 pm

A 14ppm @ A4 would cost approximately 1.6M with entry level RIP. Additional 700thou for high end RIP. No Finisher. TONER Base


A 70ppm @ A4 would cost approximately 7M with Finisher and Middle End RIP. TONER BASE
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GOR



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PostSubject: Re: Advantages of Digital Press   Tue May 27, 2008 11:35 pm

billy wrote:
A 14ppm @ A4 would cost approximately 1.6M with entry level RIP. Additional 700thou for high end RIP. No Finisher. TONER Base


A 70ppm @ A4 would cost approximately 7M with Finisher and Middle End RIP. TONER BASE

Is it correct to say that this is a laser printer? If not, what is the difference? Sorry for the ignorance but I'm probably confused between a laser printer and a digital press. scratch

Thanks!
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billy

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PostSubject: Re: Advantages of Digital Press   Thu May 29, 2008 9:47 am

In a sense, it is still a laser printer cause it is using a laser to create the image. If we talk about the quality, since it is near offset (glossiness of the print) that is why they call it digital press. There are other Digital press that uses an electro ink, if your paper is matt then the finish is also matt and if you are using a C2S then the finish is also glossy. That is why they call it digital offset/press. It follows the characteristic of the Press.
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bochokoy_1118



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PostSubject: Re: Advantages of Digital Press   Thu Mar 24, 2011 9:36 pm

You better try OcÚ CPS 900, good digital press for specialty and textured materials as proven by a lot of commercial printers. consistent color from page 1 up to the last page.
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CIECAM

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PostSubject: Re: Advantages of Digital Press   Fri Apr 15, 2011 11:15 am

bochokoy_1118 wrote:
You better try OcÚ CPS 900, good digital press for specialty and textured materials as proven by a lot of commercial printers. consistent color from page 1 up to the last page.


agree
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