Cannot Print to Hewlett-Packard 4000 Printer in Windows NT

• Microsoft Windows NT Server version 4.0
• Microsoft Windows NT Workstation version 4.0
• Microsoft Windows NT Server Enterprise Edition version 4.0

SYMPTOMS

When you attempt to print to a Hewlett-Packard (HP) 4000-series printer connected to printer port LPT1, you may receive one of the following error messages:

• Error writing to LPT1: For <document name>. Access denied.
• Error writing to LPT1: For <document name>. The requested resource is in use.
• The handle is invalid.

CAUSE

This behavior can occur when you install the drivers for an HP 4000-series printer that are included with the HP Complete Printing System for Windows NT 4.0 from Hewlett-Packard.

RESOLUTION

To work around this issue, rename the Hpdcmon.dll file in the %SystemRoot%\System32 folder. To do so, type the following line at a command prompt:

   ren c:\%SystemRoot%\System32\Hpdcmon.dll Hpdcmon.xxx

STATUS

Microsoft is researching this issue and will post new information here in the Microsoft Knowledge Base as it becomes available.

MORE INFORMATION

The third-party product discussed in this article is manufactured by a vendor independent of Microsoft; we make no warranty, implied or otherwise, regarding this product's performance or reliability.