Preflight Defaults
Shoppers upload their own PDFs or image files when ordering an Uploadable Product and StoreFront performs a number of preflight checks to validate the incoming files. In this tab you can decide which issues are fixed automatically and to which extent the shopper is warned about potential issues.
Figure 4.15: A shopper is notified about errors and fixes when uploading a file.
 
Figure 4.16: A shopper can print the preflight report if necessary.
NOTE: Remember that preflight warnings interrupt the ordering process and may have an adverse effect on the number of orders you receive.
The preflight defaults set here can be overridden by the preflight settings of a product template. Go to Product Templates > Preflight Tab.
Set Preflight Defaults 
*On the menu bar, choose Advanced > Production Settings > Preflight Defaults tab.
Options for Uploadable Products
File Support
Preflight will be performed on the following file types:
Unbound
Set the allowed file types for unbound products: PDF for documents and/or TIFF, TIF, JPEG, JPG, GIF and BMP for images.
Select the Allow multiple documents combined in one PDF check box if you want to let shoppers upload a single PDF that contains more than one document (multi-document feature). For example, 50 posters with different information can be uploaded in the same PDF for a single-sided poster product. Each page of the PDF generates a job in the workflow system: in this case 50 jobs. If the product is for a double-sided poster product, 25 jobs will be created in the workflow system.
Clear the Allow automatic Trim Box rescaling check box if you do not want uploaded PDFs to be scaled automatically, for example if your shoppers upload PDFs that are not prepared with professional layout applications (these PDFs may be scaled incorrectly if they do not include a trim box).
Bound
A shopper can only upload PDFs for bound products.
Editor Settings
This setting allows you to create stores with a mix of uploadable products with and without tools in the upload wizard.
Hide Tools
Select this check-box to hide the tools so that shoppers cannot use tools to modify uploaded files for all products except those that do not follow the defaults: clear As Specified in the Preflight Defaults check-box in the Preflight tab of the template in question. See “Preflight Tab”.
Fixes
The following preflight issues are remedied automatically:
Allow Trim Box rescaling of uploaded PDFs
When selected, the document will be scaled proportionally and you can choose from 2 modes for scaling which are important if the aspect ratio of the document is not the same as that of the product:
Underfill: the document fills the width or height of the product and all the content remains visible; you may have white space at the top and bottom, or to the left and right.
Overfill: the entire product is filled but some of the content may be cropped.
If you clear this option, the validation settings for Incorrect Trim Box apply: see “Validation (after fixes)”.
Allow addition of blank pages to the uploaded PDF
When selected, blank pages will be added to ensure the document matches the number of pages in the product definition. For products with a self-cover, the blank pages will be added at the end of the file. For products with a separate cover, the blank pages will be added in front of the last two pages.
You can also choose to notify the shopper about these fixes and generate a warning that the shopper must confirm to continue. If you clear this option, the fixes are applied without notifying the shopper.
NOTE: Fixed files can be downloaded by the shopper from the product page when the uploading process has finished.
Validation (after fixes)
The following parameters of the uploaded PDF or images are validated against the product definition:
Trim Box Tolerance
The uploaded PDF is rescaled if the entered tolerance is exceeded.
Incorrect Trim Box
Does the trim size match the product page size after taking into account the Trim Box Reference?
Missing Fonts
Are the necessary fonts embedded?
Incorrect Number of Spot Colors
The system only checks the number of spot colors when the color setup of your product contains 1, 2, 3 or 4 spot colors. Color is set up in the product template: see “Color”. If the color setup is specified as Full Color or Gray, no warnings or errors are displayed when the shopper uploads a file that does contain spot colors. Full Color indicates that the printed result will be CMYK (or whatever ink set is used in the flow) and that all spot colors in the uploaded file will be converted to that color space.
RGB, Lab or ICC Based Content
Is the color space RGB or Lab? Are ICC profiles embedded?
Objects without ICC Profile
Is line art tagged with an ICC profile?
Images without ICC Profile
Are images tagged with an ICC profile?
Unexpected number of pages (only for bound products)
Checks whether the uploaded file contains the same number of pages as indicated in the product specifications on the storefront.
You can select how the issues will be handled by selecting one of the following options:
Ignore: Do not check the uploaded file for the parameter in question.
Warn: A warning is displayed and the shopper must choose to cancel the uploading process or continue and add the product to the cart.
Reject: An error is displayed and the uploaded file cannot be added to the cart.
Check Image Resolution
This check verifies that the resolution of the uploaded files is sufficient to guarantee satisfactory print quality. Set the minimum values to generate warnings (Warn below) and errors (Reject below). Errors will stop the upload process. Different values can be specified for grayscale/color images and binary (line art) images.
Options for Customizable Products
For Customizable Products you can specify the severity when preflighting the shopper’s customized document: preflighting can generate a warning or error, or just be ignored. Here you set the defaults which you can still change when creating the product in the Online Editor: see “Warnings Tab”.
CAUTION: A shopper may be prevented from ordering a product.
*Select the preflight severity – Ignore, Warning, Error – in the drop-down list for the following parameters, and then select or clear the check boxes to control the behavior depending on the severity:
Frame outside page
Text overflow
Missing Characters
Image output resolution
Image resize
Empty variable
Minimum Output Resolution
Check resolution on: Any, Bitmap, Vector
Minimum/Maximum Resize %
Check resize on: Any, Bitmap, Vector
Prevent save on errors
Selecting this check box prevents the shopper from saving the customized document if it contains errors.
Prevent PDF generation on errors
Selecting this check box prevents the shopper from generating a PDF of the customized document if it contains errors.
Show warnings on save
Select this check box if you want the shopper to see the preflight warnings when saving the document. Otherwise the document is saved without notifying the shopper of potential issues.
NOTE: New settings only apply to newly created products, not to existing products.
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