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Watermarking and Digital Signatures

Printing sensitive data? PaperCut MF ensures accountability by embedding verifiable information on every page, protecting documents and tracking the origin.

Apply a Digital Signature for ironclad proof

For the highest level of security, apply a digital signature to all printed documents.

This cryptographically secure code acts as an electronic fingerprint. It provides definitive, non-repudiable proof of a document’s authenticity and origin.

Dive into advanced capabilities of applying Digital Signatures in our manual.

A printed document showing a digital signature footer.

Trace a printed document back to its origin in seconds

A digital signature is your key to complete document traceability. If a signed document is found, you can trace it back to its origin in seconds.

Take the unique signature from the printed page and search for it in the PaperCut MF job log. The system immediately pinpoints the exact job entry. You’ll see who printed it, when, and from where. This provides undeniable proof of origin and sends a strong message of accountability.

See how to search the job log in our manual section titled Verify a Signature.

 

An image of the PaperCut MF web interface on the Printer Details screen, showing the Job Log tab and signature details.

Choose what information to embed on your documents

PaperCut MF gives you the flexibility to choose the right option for any situation. You can choose from over 20 useful job metadata variables, which is really helpful for document tracking.

  • The username to identify the owner
  • The print time and date
  • The document and printer name
  • The Client HostName and Client IP Address
  • Job ID and Job Cost
  • Number of Pages or Copies

To learn more, see the Manual page on configuring watermarks.

 

An image of the PaperCut MF web interface on the Printer Details screen, within the Summary tab, showing options to Apply watermark/digital signature to all pages. It displays fields for the signature text, gray level, and font size.

Control where and how your watermark appears

Placement choice of watermarks sends a clear message about a document’s sensitivity.

  • Top or bottom margins: Add usernames or job details subtly in the header or footer for simple tracking.
  • Full page: Repeat a watermark like “Confidential” across the entire page, making it impossible to ignore on highly sensitive documents.

This control lets you tailor the feature to your exact security needs, from gentle reminders to unmissable warnings.

Find all the settings in the section of our manual enabling watermarking.

An image of the PaperCut MF configuration screen for applying watermarks, showing options to set the placement, text, gray level, and font size.

Customize watermark rules with advanced scripting

For advanced customization, you can apply watermarks and digital signatures using scripts. This gives experienced Administrators powerful control to handle complex logic or specific scenarios when you need it.

Get started by exploring the scripting examples in our manual.

An image of the PaperCut MF configuration page for Advanced Scripting on a printer, showing JavaScript code that modifies watermark rules based on the user's group.