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Support > Frequently Asked Questions
   
1 What does Trustcopy do?
2 Why use Trustcopy?
3 What is Trustcopy optical watermark?
4 What is anti-copy watermark?
5 What is anti-forgery watermark?
6 What's the difference of anti-copy and anti-forgery watermark?
7

What are micro-prints?

8

What is printing control?

   
1 What does Trustcopy do?
 

Trustcopy provides integrated solutions for delivery, authentication and management of both electronic and paper document over Internet by using Trustcopy's unique technologies. Our solution ensures Authenticity, Integrity & Non-repudiation of transferred documents over the Internet.

Trustcopy have a series of products on trading and financial document solutions, on-line document delivery and printing services, etc.

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2 Why use Trustcopy?
 

The existing business processes are based on paper document. People do not want, or cannot afford, to change their existing business processes.

Existing legal framework is defined on paper document. For example, bill of lading for title transfer of goods.

Paper document is tangible, gives immediate feel of trust and it is necessary for many applications, for example, claiming goods.

Paper document is mobile, can be presented to anybody, at anytime, and at any place.

Reduces a lot of paper work (transfer, processing)

More secure: prevent unauthorised duplication and frogery

Faster: delivery original document at Internet speed

Cost saving

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3 What is Trustcopy optical watermark?
  Trustcopy optical watermark are the stamps that appear on the printed document to protect the document from unauthorized duplication and forgery. It is using Trustcopy's patent technology.
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4 What is anti-copy watermark?
 
 
Figure 1 Anti-copy watermark appearing as Trustcopy logo (left) and photocopied result (right).
 
Figure 2 shows micro-prints and the result after photocopying or scanning and reprinting.

The logo-based watermark provides a visual cue to users so that at first glance, they can detect some changes such as the logo disappearing or appearing too dark or the embedded word such as "COPY", "SAMPLE" or logo appearing.

Based on the visual cue, users can choose to examine the micro-prints closely using a magnifier of at least 10x. Micro-prints are robust in protecting the document against copying by photocopying, faxing or scanning and reprinting.

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5 What is anti-forgery watermark?
 

Just having anti-copy watermark is insufficient to protect a document as forgers can use various techniques to modify critical contents in a document such as dollar value, assignees in a will etc. in the original document itself. Such forgery attempts can be pre-empted by embedding important information into Trustcopy's unique anti-forgery watermark. As shown in figure 3, two types of information are visible only by using the two different "keys" provided.

 
Figure 3 Different information viewed with different keys.

Trustcopy's unique anti-forgery watermark uses an "optical lock and key" concept where information are encoded and locked in the watermark. Only by using corresponding keys will the embedded information be unlocked and is visible for visual inspection of the authenticity of the critical contents of the document. Each key is used to unlock a specific "lock".

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6 What's the difference of anti-copy and anti-forgery watermark?
  The anti-copy watermark is to protect the printed document from unauthorized duplication. When a copy of the original is made, there are sufficient changes on the copied version that it becomes visually obvious that it is a copy. The anti-forgery watermark is to protect forging of the printed document. You can have confidential information such as your company name or logo hidden in it. And you can use the special "key" provided by Trustcopy to view and verify it.
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7

What are micro-prints?

 

Micro-prints are the small characters which are printed around anti-copy watermark. They are used to protect the printed document against copying by photocopying, faxing or scanning and reprinting along with anti-copy watermark. You can examine the micro-prints closely using a magnifier of at least 10x. You can tell what the characters are in the original document and the micro-prints will become mistiness after photocopying.

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8

What is printing control?

 

This module directly controls the laser printer during printing to ensure that only the right numbers of originals are printed. It can detect both genuine errors such as paper jam, toner low etc. and fake errors such as tugging on the paper when the full page has already been printed but has not been scrolled out. Currently, the module supports HP LaserJet 5 and above printers.

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