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Printer Off-Line Causes Computer To Lock When |
The information in this document applies to:
WordPerfect® 5.1 for DOS
Problem
Symptoms: A customer's computer locks if the printer is not ready (off-line, turned off, out of paper) when a print job is sent. Solutions: When WordPerfect prints to a port using the Print BIOS, WP sends a byte down to the printer. It waits for a response from the printer as to whether the printer was able to receive the byte or not. In either situation, WP waits for a response. If the mode for the port is set to retry, the computer will infinitely try to send the byte. If it is never able to send it, the message that the printer cannot accept data will never be returned to WP. This is the locking problem that the customer is experiencing. A work around was suggested of using the Print to Hardware Port option. This bypasses the Print BIOS. Instead of WP waiting for the computer to tell it when the printer is ready, it will allow you to continue in the program. This happens because using Print to Hardware port removes WP from polling the port, and instead waits for the computer to say when it is ready. |
Answer:
Details:
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