Laboratory: Printing Notepads on an Offset Press

Purpose: Having prepared a line-image file for a notepad, to print the notepad on the University's offset press. Apply principles of photography and printing to produc the notepads.

Each of the images below can be enlarged by clicking on the image of interest.

1. Using the platemaker apparatus to prepare a photographic plate from a camera-ready original.
2. The photographic process.
3. The photographic 'plate' after processing.
4. Comparing the photographic plate to the camera-ready original.
5a. The offset press, from the front/side...
5b. ...and from the input (front side), showing the rollers and paper feed.
6a. Close-ups of the rollers...
6b. ...and even closer up!
6c....and yet a slightly different close-up.
7. Top roller is bathed with the water-ink mixture; the bottom roller holds the plate.
8. 'Fountain solution' wets the areas of the plate where there is no image.
9. Close-up of the vacuum suction feet that help feed one sheet of paper each revolution of the rollers.
10. The output (back) side of the press showing the paper collection area.
11a. The guillotine paper cutter, showing the whole apparatus...
11b. ...and a close-up of the blade slicing through a stack of paper.
12. After the sheets of four notepads have been cut into stacks of notepads, and padding glue applied, the notepads are kept compressed while the glue dries.

John Bordley, 2002