Ports - Selecting LPT1 As Opposed To Other

DocumentID: 645367
Revision Date: 29-Feb-96 8:19:04 PM

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

Problem

Solutions: The main difference between selecting LPT1 as a port over selecting Other and typing a device name of LPT1 is error checking. When a default port is selected, DOS will make BIOS checks for any I/O Error, Printer Ready, and Paper Out messages from the printer. When Other is selected and a device name is entered, DOS will open and close a file named LPT1 (or whatever port was entered for the device name). If this is the situation, the Printer Ready command is all that DOS will check for. The option to do background features is lost when a device is chosen. One customer printing through a sharing device used this method to stop an extra page with odd characters on it from printing at the first of each print job.

Answer:

Details:

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