When you attempt to print to some Hewlett-Packard Universal Serial Bus (USB) printers, some of the data sent to the printer may be lost.

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If the WritePort buffer size is larger than the buffer that was used on the previous call, the first buffer is freed and a new one is allocated. However, dwDataCompleted does not get reset to 0. This could cause data loss to the printer port.

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To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

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Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.

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