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Printing Information
- Acrodist pdf printing
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- Check if network printer available
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- Determining Printer IP Address
- How To Add a Printer and Make it the Default Printer
- How to clear a printer queue
- How to Send Carriage Return - Formfeed
- Image Viewer - Printer Using Shimgvw
- Install Printers using Batch Files
- Installing an LPR Printer Port
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- Print error 3383 Wait Parameter bad
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- Print Spooling - A Trick via DOS in Win95
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- Printers while in DOS
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- Remove Formfeed in Appended Files
- Seeing Persistent Network Printers
- Sending Control Sequences to a Printer
- Set Print Log Spooler Information Events
- Suppress WinNT print messages
- UDF to Delete a Printer Driver
- Using FileCopy to Print to a LPT Port or UNC
- Utility for Printing PRN Files
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How to Check if an LPT Port has a Device Attached
Keywords: LPT1
Question:
How do I check that a port (LPT1) has a device on it prior to trying to print to it?Answer:
One of our users reported the following:I remember using a program a few years ago called SAFESEND (Shareware) that was used to check and see if a Port (or disk drive, I used it to check to see if a drive letter was a hard disk or CD) existed, and then create a DOS Errorlevel that could be checked in a batch file.
The best part about this program is that it would NOT get the infamous Abort,Retry,Fail error if the device was not there and it could also send ANYTHING (Esc codes, etc.) to a printer.
I haven't seen it around for a while but you should be able to find it on one of the (MANY) Shareware file archives on the net.
Article ID: W13688
Filename: Check if LPT Port has a Device Attached.txt
File Created: 2000:05:08:10:12:56
Last Updated: 2000:05:08:10:12:56