Connect Lpt Printer Serial Port
RS232 to USB Adapter: Connect USB printer to Serial port: US 95.00: SER2USB: Parallel to USB Adapter: Connect USB printer to LPT port: US 95.00: Shopping.
AN26: PortBox and Epson lx This paragraph describes how to use two PortBoxes to connect the printer to any serial device The Virtual Serial Port driver.
It is also known as a printer port or user programs from directly writing to or reading from the LPT without Parallel port; Serial port; USB;.
Pkmusicman wrote:
Bob:
I found one of your other posts helpful in solving a network printer problem after purchasing a new Dell with Windows 7. We have an HP450C that was formerly the local printer on an XP computer and I am currently trying to run it as a local printer on my new Dell. Your other post enabled me to print on it over the network by showing me how to get a driver, but I am not having any luck connecting directly to the plotter. I purchased a USB to RS232 adaptor hoping to accomplish this, but Windows 7 does not recognize the printer. It shows up as an Unspecified Device under Printers and Devices with the notation USB 2.0 to COM Device. I have found that simply plugging in the cable yields this message regardless of connection to or powering up of the plotter. There is also an alert symbol on the device icon which is there because of the absence of a driver. In following that trail, I have not found the way to bind the driver to which you led me that worked for the network setup to the device. I do see that the device is labelled Port_ 0002 Hub_ 0003 and am wondering if I need to set up a port some how. I have tried to set up a port, but ran into a road block there as well because the driver did not have a digital signature.
You seem like the person that would have the answer for this. Can you offer any suggestions.
Thanks,
Paul Kennedy
The Designjet 450c does have a serial connection capability, but you are likely to have much better chances of success with a parallel connection. There are just too many variations in serial connections, not to mention the baud rate and other things that need to be set correctly. Further, not many folks these days are using usb-serial connections for printers in Windows. As a result there are less cases to find of success.
I would suggest using a USB-parallel converter. The links here have posts where folks have models of converters successfully used with Windows 7.
For the Designjet you may have better results posting in the HP Designjet forum here.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the Accept as Solution button ------------V
If my answer was helpful please click the Thumbs Up to say Thank You --V
Bob hope you don t mind, but after reading all that you have written here, I feel as though I know you :
Performance is very finicky. Reminder of the facts -- Windows 7, HP DeskJet 722c, USB to parallel cable not sure of manufacturer, but it worked yesterday, and the driver for it is listed in devices connected to comport USB003. Applied your patch thanks again.
After some struggle Saturday and yesterday, it seemed to work fine until I disconnected the printer from the laptop, and now it seems that I can t do anything to get it to work. Yesterday while I was banging my head against the wall trying to get it to work, I tried different USB ports I know that if one works or doesn t work, the same should be true for the others, but I was desperate. USB 0001 didn t work. USB0002 didn t work. USB003 worked. Today when it didn t work, I tried switching them around again, to no avail.
I know that I am unreasonably attached to my old 722c, but it seems ridiculous to throw it away when it works great. I will if I have to, but I m hoping you can point me in the right direction before it comes to that.
Many thanks for your continuing assistance,
Caitlin
tocar
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Posts: 4
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09-18-2013
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08-04-2015
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Love your idea of pink valentines, variation of :
When life hands you a lemon, make lemonade.
Great, Well done.
Tocar.
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