Re: Image PPI and Epson Printing
- Subject: Re: Image PPI and Epson Printing
- From: Lee Badham <email@hidden>
- Date: Mon, 15 Aug 2005 15:22:56 +0100
- Delivered-to: email@hidden
- Delivered-to: email@hidden
- User-agent: Microsoft-Entourage/10.1.1.2418
> On 8/15/05 7:13 AM, "John Horn" wrote:
>
>> An Epson Pro dealer told me the other day that the resolution of an image
>> will
>> change the color integrity of the image when it is printed using an Epson
>> printer. They said that printing an image at 300PPI will provide a color
>> shift
>> because the image must be converted to a resolution that the printer can use
>> like 288. The dealer said all images that are to be printed with an Epson
>> should be at a PPI divisible into 1440/2880. If the image is at a different
>> PPI (like 300PPI) there will be color shifts because of the conversion to a
>> PPI that fits into the Epson printing resolutions. Is this true?
>
You can get a print quality difference - i.e. sharpness and small detail,
but not really a colour shift. On an image itself you are unlikely to ever
see any problems, but if you have any rendered text in an image, you might
see jagged edges on you text.
It can also help if you are printing images with a repeating pattern - such
as clothing, bags, roof tiles etc. to stop a moiré pattern.
Normally if you have a RIP, it can sort out any problems with resolution.
Lee Badham
Bodoni Systems Ltd - Key solutions in digital imaging.
Tel: 01895 825776
Fax: 01895 825994
web: http://www.bodoni.co.uk
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