Printing Multiple PDF files , use JDF ?

Hello,  

I have about 50 pdf files I need to print in specific order.  Some files need to be printed on both sides of the page.  I need to print them in order about 1500 times.  I was thinking I should combine the 50 files into one file? Or Will this JDF feature do what I need to do ?  What is the best solution?  I downloaded Batch & Print from Traction Software and it works great but it takes 20 minutes to print the 50 files once.

Thanks,
Kurt
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Kurt4949Asked:
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Kurt4949Author Commented:
I created  a JDF file for my project but now what do I do with it?  I can't seem to send it to my printer.
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Karl Heinz KremerCommented:
You need a printer that does actually support JDF, most (that you and I can afford) don't. What machine are you printing this job on? I hope it's a high volume printer (e.g. a Kodak Digimaster). With such a printer you should be able to combine all files into one document, and then assign print options that switch back and forth between simplex and duplex mode. You also need to specify the copy count (1500 copies), so that the file needs to be downloaded only once. If this is not an option, you may need to bring this job to a commercial printer (e.g. Kinkos) and have it printed on one of their high volume printers.
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Kurt4949Author Commented:
Hi thanks for the reply.  Actually the quantity will be more like 700 copies now.  We have two printers.  An HP color laserjet 4650dn and a large Canon image runner color laserjet . I have no idea if they support JDF.  It would be real nice if they did.

"assign print options that switch back and forth between simplex and duplex mode"  This is exactly what I need to do.  I'm not sure how you would do that because when I send the pdf to the printer you have to turn duplex mode on or off.

For now I have a work around.  I inserted a blank page in the pdf for all the pages that are not front and back.  Then I send the document to the printer and turn duplex on.  The only problem is that it is more wear and tear on the printer because it duplexes every page and it takes longer to print.  Currently the document takes about 15 minutes to print on both printers.

The 2nd problem is that the pdf has a huge file size of about 40 megs.  So it takes a very longtime to spool.  I tried using the reduce size feature in acrobat but that decreased the quality.  Is there a way to get the file size down and not reduce quality?  There is a convert to cmyk feature in acrobat, I was going to try that.  Will that help speed up the printing?
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Karl Heinz KremerCommented:
I am not familiar with the hardware you are using, so I cannot tell you if it's possible to switch between simplex and duplex within one job. I know that this can be done with the Digimaster that I mentioned before. The driver allows you to do that - this is however not a "normal" feature of a printer driver, so first of all your printer has to support that feature, and then the manufacturer needs to implement a mechanism to control that into the printer driver.

There is probably nothing you can do about the file size. The reduce file size feature does change the image quality. If you have the Professional version of Acrobat, you can try to play around with the "Advanced>PDF Optimizer" feature. Just make sure that you disable all image downsampling, and that you do not select a lossy image compression method. Another option would be to try Apago's PDF Enhancer (http://www.apagoinc.com/prod_home.php?prod_id=2), which does a better job of reducing the file size of a PDF. They have a 10 (?) day evaluation version that you can try.

Converting the document to CMYK will very likely make it larger (you have to store four numbers per color instead of just three with RGB), and it will also change your colors (the RGB gamut is larger than the CMYK gamut). 40MB for a color is not too bad (this depends on the resolution of the images and the number of pages, but I assume that's the combined document consiting of the 50 indivudual documents that you mentioned).
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Kurt4949Author Commented:
I took a look at the Kodak Digimaster.  They look nice and also expensive.  Do you have any idea what the price range is for those?  I will consider a Kodak in the future but right now I'm stuck with a canon and it does not have the option to duplex sections of a document, it's all or none.  I'm trying apago's PDF Enhancer as we speak.  If it doesn't work I'll have to live with the 40 mb file.

Thanks,
Kurt
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Karl Heinz KremerCommented:
Devices in that category don't have a fixed sticker price, you need to talk to a rep to find out what "your" price would be.
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