When you prepare a document for printing, a number of marks are needed to help the printer determine where to trim the paper, align separation films when producing proofs, measure film for correct calibration and dot density, and so on. Selecting any page-mark option expands the page boundaries to accommodate printer’s marks, bleed (the parts of text or objects that extend past the page boundary to account for slight inaccuracy when trimming), or slug area (an area outside the page and bleed that contains printer instructions or job sign-off information).
If you are setting crop marks and want the artwork to contain a bleed or slug area, make sure that you extend the artwork past the crop marks to accommodate the bleed or slug. Also make sure that your media size is large enough to contain the page and any printer’s marks, bleeds, or the slug area. If a document doesn’t fit the media, you can control where items are clipped by using the Page Position option in the Setup area of the Print dialog box.
If you select the Crop Marks option, fold marks are printed as solid lines when spreads are printed.
Printer’s marks
- A. Crop marks
- B. Registration mark
- C. Page information
- D. Color bars
- F. Slug area
E. Bleed marks
- Marks and bleed options
- All Printer’s Marks
- Selects all printer’s marks including crop marks, bleed marks, registration marks, color bars, and page information.
- Crop Marks
- Adds fine (hairline) horizontal and vertical rules that define where the page should be trimmed. Crop marks can also help register (align) one color separation to another. By using together with bleed marks, you can select overlapped marks.
- Bleed Marks
- Adds fine (hairline) rules that define the amount of extra area to image outside the defined page size.
- Registration Marks
- Adds small “targets” outside the page area for aligning the different separations in a color document.
- Color Bars
- Adds small squares of color representing the CMYK inks and tints of gray (in 10% increments). Your service provider uses these marks to adjust ink density on the printing press.
- Page Information
- Prints the filename, page number, current date and time, and color separation name in 6-point Helvetica in the lower-left corner of each sheet of paper or film. The Page Information option requires 0.5 inches (13mm) along the horizontal edge.
- Type
- Lets you choose default printer’s marks or custom marks (for Japanese pages, for example). You can create custom printer’s marks or use custom marks created by another company.
- Weight
- Displays possible weights for crop and bleed mark lines.
- Offset
- Specifies how far from the edge of the page (not the bleed) InDesign will draw printer’s marks. By default, InDesign draws printer’s marks 6 points from the edge of the page. To avoid drawing printer’s marks on a bleed, be sure to enter an Offset value greater than the Bleed value.
The Marks And Bleed area includes the following options:
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