These articles were written for those who may need to get a little extra out of their prints. Most of the documents that we have printed for samples at our computer shows were downloaded from the internet.
We did this to show individuals how well they could print using adequate images with the right ink and the right media.
If you happen to be using really large graphics, such as 20meg or greater these may not be exactly what you are looking for.

But, of course it doesn't hurt to read them anyway.