Sometimes a printer does not print.

[Sungkyu_min]

Hi.

When printing a PDF in a loop, some pdf files are not printed.
No errors occur, just the printer is not working.
It doesn't even exist in the printer queue.

If 10 pdf files are printed, 1 ~ 2 files are not printed.

this is the code i used.
could you help me?.

Code: Select all

             foreach (string files in filePaths) {
                PdfDocument pdf = new PdfDocument();
                pdf.PrintSettings.PrinterName = printer_bar.EditValue.ToString();
                pdf.LoadFromFile(files);
                if(copys < 1) {
                    copys = 1;
                }
                pdf.PrintSettings.Copies = (short)copys;
                pdf.Print();
                pdf.Close();
                pdf.Dispose();
            }


[Abel.He]

Hello,

Thanks for your inquiry.
I created a console project with NetFramework4.8 and the latest version of Spire.Pdf(V9.1.0) to test your scenario, I tested both virtual printer(Microsoft Print to PDF) and physical printer(HP ColorLaserJet MFP M278-M281) but I didn’t reproduce your issue and I get the expected files.
I suggest you using the latest version of Spire.Pdf to test again your scenario. In addition, you also can use virtual printer to test and check whether the issue that some pdf files are not printed occurs, if not occur, the physical printer itself contributes to the problem, this moment, I suggest you can test other physical printer to check whether this issue occurs.

Sincerely
Abel
E-iceblue support team

[Abel.He]

Hello,

Greeting from E-iceblue.
Could you give some feedback about your issue? Looking forward to your reply.

Sincerely
Abel
E-iceblue support team