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  1. #11

    Join Date
    Feb 2012
    Location
    Yorkshire, England
    Posts
    117

    Re: How to print large files?

    Hi Guys,
    First of all, if it is not already apparent, I am a complete novice to all this digital printing stuff so all your help is very much appreciated.
    To some it may seem insane to scan at such a high resolution (?) but I want to record, by the action of one single scan, the maximum amount of detail I can. This is no different to my film choice.
    After that I can selectively choose any crop, or many, I want from the film and print these in the knowledge that I will have sufficient quality available. I don't really like the idea of scanning at ideal print resolution (?) of 300ppi as any crop would result in this figure dropping off. On top of that, mounting a piece of film to the drum takes just as much time for 300ppi as it does for 4000dpi; I just have longer to do other stuff when scanning at 4000 such as bake a cake, build a wall, read War and Peace etc.
    Following Peter's advice I found the Image Size box in PS CS2 and had a play with it and, sure enough, by adjusting this, by trial and error, not maths, to 450ppi and making a copy it imports into Epson Print Layout and fills a A3 sheet with 10mm border top and bottom at 315ppi.
    So, it looks like I am getting a little more of an understanding of things so I think my plan will be:
    1. Scan at highest resolution available
    2. Crop any part of the image that look like it might print nicely
    3. Try figure out what ratio the crop size is to the paper size and adjust ppi accordingly
    4. Save a copy of this in a new file
    5. Leave original high resolution original scan in 'archive'

    I can print up to 17" wide on the Epson SC-P800
    I just had a look at one of the A3, 10mm top/bottom margin, prints I did by reloading into Epson Print layout and it shows at 2328ppi although what the printer actually does with this I don't know!
    "Learning (Photoshop) is best investment you can do" PCasals. I have taken this on board.

    Thank you all
    Last edited by Sweep; 21-Nov-2017 at 00:37.

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