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Imposition laybacks cannot be adjusted and appear aligned to the bottom-left of the plate in Prinergy to Lotem Quantum workflows


Product

 
  • CS Xpose 1.00.076
  • Prinergy® 2.07.20
  • Creo Preps™ 4.1.2 (Macintosh or PC)
  • Lotem™ 800 Quantum

Platform

 

Intel, Dell® 2400 or 6400

Operating system

 

Windows® 2000, OS


Symptoms

 

Imposition laybacks cannot be adjusted and always appeared aligned to the bottom-left corner of the plate. In other words, you cannot change the distance from the edge of the plate to the end of the press sheet.


Cause

  CS Xpose generates PPX files that do not contain punch coordinate values for the plate sizes.

This is a known problem and will be fixed in CS Xpose 1.01.


Solution

 
  1. Ensure that your ScenicSoft Preps is correctly configured:
  1. From the File menu, select Fitting/Tiling Setup to open the Fitting and Tiling dialog box.
  2. Clear all check boxes.
  3. In the Border box, type 0.
  4. From the Setup menu, select Device setup to open the Device Setup window.
  5. In the Device Setup window, select the device you want to use. For example, Lotem 800 Quantum.
  6. Click the Device Configuration button to open the Device Configuration dialog box.
  7. Clear the punch coordinates.
  1. Copy the PPD and PPX files, generated by CS Xpose, to the Preps PPD folder.
    Note
    : You need the PPX file to center the press sheet, or media, along the drum on the lead edge.
  2. In a text editor (Notepad), open the CS Xpose PPX file.
  3. Type the correct punch coordinates, which are the exact center of the along the drum dimension of the plate, into the PPX file .
    For example,
  4. *% the full size of plate 15x20_Plate is [1080.000000 1440.000000]
    *SSiPunchCoordinates 15x20_Plate: 540.000000 0.000000
    *SSiAlignPageSize 15x20_Plate: 0.000000 0.000000

In Preps:
  1. On the Device Configuration dialog box, in the Plate Size box, select the plate size for the Lotem 800 Quantum. For example, 1080 by 1440.
  2. Click the Punch button to open the Punch Location dialog box.
  3. In the Punch Location X Axis box, ensure that the value is the exact center of the along the drum dimension on the plate. For example, 540.
    The PPX file locks the center of the press sheet to the center (virtual punch) of the plate (in this case, at 540).
  4. From the template, click the Add Signature button to open the Signature Information dialog box.
  5. In the Distance from Press sheet edge to Punch Center box, type the value from the Punch Location X Axis box in the Punch Location dialog box.
  6. This will enable you to do the correct layback (edge of the plate to the edge of the press sheet). Normally the layback is the gripper or gap amount required by the press.


Technical contact(s)
 

David Weill

Submitted by
 

Geert Everaerts

Date submitted
 

24 Jun 2002



Popups / Tool Tips for this Page

   Close this popup...   The punch coordinates in the Device Configuration dialog box do not work with the CS Xpose PPD file. The Adobe job ticket generated by ScenicSoft Preps refers to the media size, which is the exact size of the plate. The location of the image is determined by the CTM transform functions inside the job ticket. The job ticket knows nothing about the press sheet. It only knows about the location of the page positions. If you need to make small image shifts, either horizontal or vertical, do this in the Output Process Plan.



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