Microsoft KB Archive/101850

= MS-DOS Application Prints Incomplete Pages =

Article ID: 101850

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Windows 2000 Server
 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q101850



All MS-DOS application printing is done through the Windows NT spooler system. In order to know when to send a job to the spooler, there is a time-out on the printer port. Once something has been printed to the port, if this time-out passes with no more data presented to the port, the print job is sent to the spooler. On a slow computer running a complex calculation to produce the print job, it is possible that the time-out can expire during this calculation. This will cause the printout to appear over multiple pages instead of a complete page. To solve this problem, increase the time-out. Change the registry setting to the following:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\WOW\LPT_timeout

The default value is 15 seconds.

Additional query words: prodnt

Keywords: kbprint KB101850

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