Although our color printing process is very economical, it is more expensive than black (grayscale) printing due to the additional cost of the required equipment and materials. Our process does allow you to mix color pages with pages of grayscale printing and you will be charged appropriately for color or for grayscale printing. It is important to note that if you use the InstantpublisherColor.com software to upload your document, we cannot convert color pages in your document to grayscale. Furthermore, even though some images may appear as grayscale in your document, unless you physically converted them to grayscale before inserting them into the document, there is a chance that they will still be processed as color images and color processing charges will apply. If you have color pages in your document that you want printed as grayscale, you must convert those pages to grayscale before inserting them into your document and uploading, otherwise they may be printed as color (even though they appear to be grayscale) and you will be charged accordingly. Any color on a page will cause it to be treated as a color page, so if you mix color and grayscale images on the same page you will be charged for a color page. Changing a color picture within a document so that it displays as grayscale without physically converting it to grayscale will probably result in color printing charges even though no color is visible to the eye. The reason for this is that some programs, such as Microsoft Word, retain all of the color information about pictures so that they can be converted to grayscale and back to color if desired. If you convert a picture to grayscale within Microsoft Word, Word changes the mixture of component colors so that, to the eye, the picture appears to be in grayscale, when in reality it retains some color components. For that reason, unless a picture is physically converted to true grayscale before being inserted into the document, our printing process treats it as a color image and color processing charges will result. If you have a color document, but want the entire document printed in grayscale, you can either convert it to grayscale before uploading with the InstantpublisherColor.com software, or you can use our Instantpublisher.com software to upload your document, which does the grayscale conversion automatically. (Note that Macintosh users must use the Instantpublishercolor.com software, so they MUST do any desired grayscale conversion prior to inserting such pictures into documents and uploading.) Grayscale conversion requires the use of a third-party program such as Adobe Photoshop or Jasc Software's Paint Shop Pro. There are many such programs available. Generally speaking, you need a program which will allow you to save images in grayscale format. Click here for an example of how to verify within a Word document whether your images are truly grayscale. If you have any questions regarding the color printing software, please refer to the color printing information page.