Author Archives: Charles

How to make virtual printers work alone during printing?

When you need to finish different printing jobs, you may install many different virtual printers on your PC. Then how to make them work alone? When you install many virtual printers, you may meet such problem: Q: I have one … Continue reading

Posted in docPrint Pro, PDF Print | 1 Comment

The differences between functions PDFToImageConverter() and PDFToImageConverter2()

When you use function PDFToImageConverter(), it needs to use gdi to process lines. It can not process the transparent watermark. It can not repair the damaged PDF files automatically. However, if you use the function PDFToImageConverter2(), it can help finish … Continue reading

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How to use COM-based (or DLL etc) pdf printer together with Delphi7?

Q:I'm looking for a COM-based (or DLL etc) pdf printer driver which I can access from Delphi7. A: If you need to use pdf printer together with Delphi7, you need to install two sets of software. One is PDFPrint Command … Continue reading

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How can I make watermark text partially transparent?

We have a software PDF Stamp which can add  transparent watermark text. And you can free downlaod PDF Stamp by this link: you need to know more about it, you have to visit its homepage: If you use the … Continue reading

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How to run pdf2pdfa in windows 7 64 bit ?

Q: When we install/register the application and test it it gave the errormessage: "fail" OS: Windows 7 64 bit A: The reason for the error message is that you did not use the absolute path,please try the following command here: … Continue reading

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