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Mode Command For COM1 And Redirecting LPT1 To
DocumentID: 646719
Revision Date: 29-Feb-96 8:19:16 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Symptoms: The printer was not printing through LPT1. The customer was using a mode command for COM1, and was then redirecting LPT1 to go to COM1. He had the printer set for LPT1 in WordPerfect and was using MS-DOS 5.0. Solutions: Since the customer is printing through LPT1, WP is going to be calling the LPT1 interrupt. It is up to the system to redirect the LPT1 output to the COM1 port and initialize the port correctly. WP cannot initialize the port to a COM port because WP is printing to LPT1. The customer was instructed to set the port to COM1, and allow WP to set the port correctly and write the information to the correct address. This resolved the problem.

One customer experiencing this problem was using the HP LaserJet IIID printer.

Answer:

Details:


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