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HP Designjet 50ps Printer - Raster PDF vs Object PDF

Raster PDF vs Object PDF
The HP Remote Proofing in the Designjet 50ps configuration offers flexibility in the kind of PDF created in a remote proofing workflow. Rasterization is the process that converts an input file (PDF, PostScript or TIFF) into a raster PDF file, that is a PDF file that contains a raster image for each page in the proof (this is not available in the configuration of Remote Proofing for 10ps or 20ps printers). Here is a brief comparison between raster and object PDFs.
Object PDF
  • Ensures output consistency between 10ps, 20ps and 50ps in the majority of cases (CMYK path)
  • Minimizes the size of the RPF
    • RPF with an object PDF is approximately 5-30 MB per A3+/B+ (the size of a standard PDF)
    • RPF with a raster PDF is approximately 30 MB per A3+/B+
Raster PDF
  • Ensures output consistency in all situations (only available in Designjet 50ps) and is recommended in jobs that include:
    • Spot colors with gradations and overprints
    • Objects with RGB or LAB information
    • Separated PS
    • Non-embeddable fonts
Object vs Raster: When do you need Adobe Acrobat Distiller
Designjet Model
Distiller Required
Workflows Supported
Designjet 50ps
No
Raster Proof Generation
Optimized Proof Generation from PDF
Yes
Raster Proof Generation
Optimized Proof Generation from PDF
Optimized Proof Generation from TIFF or PostScript
Designjet 10/20ps
No
Object Proof Generation from PDF
Yes
Object Proof Generation from PDF
Object Proof Generation from TIFF of PostScript
  note:
Adobe Acrobat Distiller must be installed to generate object RPF files from non-PDF formats (TIFF or Postscript(R)).

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