Duplicate Printing in our Print Infra especially Checks.

Anonymous
2024-12-16T20:58:59+00:00

Hello,

We are experiencing an issue with duplicate print jobs( especially checks/Cheques) in our Windows print server environment. The setup includes:

  • A load balancer that routes print requests to multiple print servers.
  • PaperCut NG for print job monitoring and logging.

The problem occurs intermittently, especially with critical documents like checks, where the same document is printed multiple times unexpectedly.

We are trying to determine:

  1. Whether this issue is related to the print spooler, load balancer configuration, or PaperCut NG’s interaction with the spooler.
  2. If there are any specific settings in Windows Server print spooler or PaperCut NG that could prevent duplicate printing.
  3. Best practices for configuring load balancers to avoid routing print jobs redundantly to multiple servers.

Has anyone encountered similar issues, and if so, what steps did you take to resolve them? Any guidance on troubleshooting or relevant documentation would be greatly appreciated.

Our Infra >>

App >> Load balancer >> Active passive Print Servers -----------------> printer ------> Print output.
(Paper cut NG installed for logging)

We are not able to pin point the where is the issue from.

Thank you!

Windows for business | Windows Server | User experience | Print, fax, and scan

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Anonymous
2024-12-18T09:34:55+00:00

Hello,

Thank you for posting in the Microsoft community forum.

According to the description, you are experiencing the issue of the same document being printed multiple times when printing. You can open the print-related log in the Windows Event Viewer to find out if there are any errors or warnings related to the print spooler.

In addition, you can try the following solutions:

  1. Sometimes, due to network delay or slow response of the printer, clicking "Print" multiple times leads to repeated submission of tasks, or the same task is accumulated in the printing queue, resulting in the printer continuing to work. You can open Control Panel > Devices & Printers, right-click the printer that has the problem, and select View Print Queue to check whether there are duplicate print jobs in the print queue.
  2. Incompatible or corrupted printer drivers may throw an error resulting in duplicate printing issues. Updating or reinstalling the driver usually resolves the problem.
  3. The printer may be incorrectly set to copy or print multiple times, resulting in the output of many documents. In this case, you need to check the printer settings and change them to the correct settings.
  4. Sometimes patch updates for Windows may cause problems with the printer. You can try installing the latest patch to fix the issue.
  5. Check and adjust the connection status between the printer and the computer, make sure the connection is stable, including USB connection and network connection, and check if the firewall and antivirus software are blocking the communication between the printer and the computer.
  6. Hardware failure of the printer: For example, the print head is blocked, the ink cartridge is faulty, or the sensor is malfunctioning, etc., which may cause the printer to be unable to accurately identify and control the printing task, resulting in repeated printing.
  7. Session persistence allows the load balancer to forward subsequent requests to the same server based on the client's session information, which ensures that the same print job will be routed to the same server.  You can do this by configuring session persistence based on client IP. If your print jobs have a fixed server to process them, you can also configure a load balancer to use static routing to always send specific job requests to a specific server.

I hope this helps.

Best regards

Jacen

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