~~~~~~~~ Excerpt from the Guide to Platinum Palladium Photographic Printmaking by Jeffrey D. Mathias ~~~~~~~~
No part of this document may be reproduced in whole or in part without the express written permission of the Author.
updated December 2000
 
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Notice:
It has been discovered that with the Printing Out Process (POP) at high relative humidity (RH), after several exposures in succession, the printing frame warms enough to affect the relative humidity of the coating resulting in blotchy patches of warm color.  In order to avoid this problem it is suggested that the printing frame be close to the ambient temperature.  This may require allowing the frame to cool after each four or five prints depending on the length of exposures (warming).


FOR PAPER:

  • First, write on the paper (outside of the coated area) a unique code to identify the print.

  •      Note: This code could consist of the unique negative number and
                    notebook reference.
     
  • For DOP only:  Dry paper to "bone dry" immediately prior to exposure.

  •                            Blow  dry with warm heat  front, then back, then front again
                               until "bone dry".
  • POP coatings should be at ambient relative humidity (RH).  The RH of the paper is controlled by controlling the ambient RH.

  •  
  • Place the emulsion side of the negative toward the coating; align negative with coating; and hold together.
  • Place the negative and coated paper onto the glass inside the contact printing frame with the negative toward the glass.
  • Place the vinyl and then the foam backing on top of the paper.
  • Insert the back of the printing frame.
  • Engage the spring clips and press the back firmly in place.

  •      Note: Good contact of film and coating is important.
         Note: With thinner papers, make sure that the paper does not crease or
                    fold.  If necessary the paper can be held tight and taped in place.
  • Turn over the frame and check to see that alignment of negative and coating is good.
  • Ready to expose.

  •      Note: Either side (but only one) of the printing frame may be opened
                    for inspection without loosing registration.

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    FOR FABRIC:
  • First, write on the fabric (outside of the coating area) a unique code to identify the print.

  •      Note: This code should consist of the unique negative number and
                    notebook reference.
         Note: To write on fabric: place some tape on the reverse side, write
                    using a pencil, then remove tape.
     
  • For DOP only:  Dry paper to "bone dry" immediately prior to exposure.

  •                            Blow  dry with warm heat  front, then back, then front again
                               until "bone dry".
  • POP coatings should be at ambient relative humidity (RH).  The RH of the paper is controlled by controlling the ambient RH.

  •  
  • Place the negative onto the glass inside the contact printing frame with the emulsion side away from the glass.
  • Place the Fabric over the negative with the coating toward the negative and align properly.

  •      Note: Position the weave of the fabric with the negative.
  • Place the vinyl and then foam backing on top of the fabric.

  •      Note: Make sure that the fabric does not crease or fold or stretch.
  • Insert the back of the printing frame.
  • Engage the spring clips and press the back firmly in place.

  •      Note: Good contact of film and coating is important.
  • Turn over the frame and check to see that alignment of negative and coating is good.
  • Ready to expose.

  •      Note: Back of printing frame may not be opened to check printout since
                    registration will not be maintained.

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