The parallel port on a computer for connecting peripherals

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Is there any reason to use serial port over parrallel port

Serial Port : Serial communication takes place asynchronously, meaning that no synchronization signal (or clock) is required: the data may be sent at random intervals. In return, the peripheral must ...
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46 views

Monitoring ports transfer (USB, Parallel)

I do not have enough information about ports, i want to know is there any way to monitor data transferring by ports (usb or parallel)? Somehow find out what are they transferring, or even capture ...
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471 views

Communicating with the LPT port through USB adapter

I have a proprietary hardware which accepts input on the parallel port. The problem is the PC which needs to communicate with the hardware doesn't have a parallel port and I can't change it's ...
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4answers
1k views

How to access parallel ports created by NET command in Windows XP?

I am trying to get a USB-to-Parallel IEEE-1284 cable which is showed as USB Printing Support in Device manager to work as a LPT port and tried the answer here. Using this command: NET USE LPT1: ...
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1answer
84 views

How can I install a printer driver to be shared across multiple printers with different connections

I have several printers (same model) with a parallel (printer) to USB cable. The printers are in different locations, but the portable PC's (Panasonic CF-19) running Windows 7 will install a new ...
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231 views

Extremely slow printing (1 cps or so) on linux

I have a generic printer (text only) connected to a linux PC via parallel port but suddently it will just refuse to print at a normal speed. Form a cople of pages per minute I'm stuck at a couple of ...
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127 views

How do I get a voltage on a PCIe Parallel Port?

I'm trying to use a PCIe Parallel port from C++. (http://www.amazon.com/StarTech-com-Express-Profile-Parallel-PEX1PLP/dp/B004G7O2AC) I can't seem to change the status of any of the registeres and my ...
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227 views

Enabling Bold and Color with LPT parallel printer

I know how to echo text to my HP Deskjet 420 printer on lubuntu with bash: echo -e "line of text" > /dev/lp0 Is there a way to print text that is bold or in color? Should I echo some sort of ...
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988 views

Is DB-25 port Serial or Parallel?

I would like to know whether the DB-25 port is a serial or parallel port. These ports are otherwise known as printer ports, aka LPT port. I'm very confused about this since, according to Wikipedia, ...
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2answers
842 views

Convert USB Port to LPT1

I have a GIF12 Card reader & software that connects to a computer via LPT1 port. I want to connect the card reader via a USB port. I need the computer to see the USB port as LPT1.
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1answer
9k views

How do I assign a LPT port for a usb to parallel adapter on Windows 7 [duplicate]

Possible Duplicate: How do I simulate a parallel (LPT) Printer with a USB Printer? I have a legacy DOS application that needs to print to a LPT port and only have USB ports on the host ...
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234 views

How to “get” a reliable parallel port on a laptop without a PCMCIA slot?

Usb-Parallel port (for an old, but reliable matrix printer that has its special use) connections (cables) are unreliable. They sometimes work, sometimes don't - and since I installed Windows 7 I can't ...
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1answer
349 views

MS-DOS application sending screen output to LPT printer

We have a MS-DOS application(coded in FoxPro), and recently had this glitch: the screen menu of the application without reason starts printing in an LPT Panasonic KX-1150 printer. It's a never ending ...
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1answer
995 views

Unable to output to lpt1: from cmd

I am running Windows 7 32-bit on an old laptop with an onboard parallel port. I have an Okidata Microline 320 printer connected to that port; the printer has been tested to work fine when printing ...
2
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1answer
653 views

Best way to connect an old printer

My old computer died... Well, not so much died, as got thrown out of the house by somebody who intentionally mistook it for a piece of old junk. And now I've no way to connect one old printer which ...
1
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2answers
344 views

How can I get a device with parallel interface to work on my laptop?

I have performed a product search for USB-to-parallel and ExpressCard-to-parallel adapters but when I read the reviews everyone complains that only work with printers. Where can I get an adapter ...
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460 views

Parallel port (LPT) file transfer software

I am looking for (preferably freeware/opensource) Windows (XP/Vista) based application which allows files to be transferred across two computers through their parallel ports, something like ...
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2answers
6k views

How do I print directly to LPT port in Ubuntu?

While screwing around my garage, I've found an ancient matrix printer, Epson LX-1050. Ubuntu recognised it without problems, and I was able to print several pages using it via CUPS. Now, for some ...
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2answers
3k views

Use serial port (COM) as LPT1

I have a device that needs to be plugged in to LPT1 to run a legacy software. I am trying to find a workaround to get it running in a latptop (without parallel port, obviously). I have HL-340 ...
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1answer
639 views

Read dot matrix printer data through parallel port

Current setup: I have a PLC that, under certain conditions, will print information to a dot-matrix printer that it is connected to. Desired setup: Replace the printer with a PC (which has a ...
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2answers
1k views

Software to create a virtual parallel port in Windows XP?

I am writing a program that will eventually be used on a computer with a physical parallel port and will need to set certain pins high or low in order to signal to an external device. However, the ...
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2answers
435 views

printing takes long time while consuming all CPU

My HP 500 C printer is suddenly extrem slow. The last action was the Microsoft update at the weekend. No other software change at the system. Symptoms: Slow output of pages (3 minutes for one page) ...
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1answer
560 views

How to handle parallel ports in win 7 64bit?

I am trying to use an application that is sending some data to LPT1 and it is working well on winXP but on win7(64bit) i get this exception The system cannot find the file specified. (Exception from ...
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1answer
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Windows 7 (Ultimate 64bit) + Virtual PC (XP Sp3) + PCI Parallelport Card + Parallelport Dongle

I got a Windows 7 64-bit computer with an "XP-mode"-Virtual PC. I installed a PCI parallel port card and all drivers. The card is correctly installed under Windows 7. In Virtual PC however the card ...
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6answers
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How do I simulate a parallel (LPT) Printer with a USB Printer?

I have some legacy software that only prints on printers connected via an LPT port. The machine I need to use, however, doesn't have a parallel port. Plus my printer is a USB device. How do I trick ...
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753 views

HP LaserJet 4L not recognized using HPLIP on Ubuntu 32 bit

I can't get my Laserjet 4L to install using hp-setup on Ubuntu 10.04 32 bit. I have installed all the prerequisites from http://hplipopensource.com/hplip-web/install/manual/distros/ubuntu.html and I ...
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242 views

pinouts on a parallel port

Why are there so many grounds for the parallel port? Are they paired up with the signal pins or are they all just a common ground and we just have a bunch of them?
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914 views

How much current can I draw from the data pins of a parallel port?

I want to power something using the parallel port of on an old Dell Dimension 8200. How much current can be drawn from each of the 8 the data pins? I have pulled a maximum of 78mA/pin so far, but what ...
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2answers
2k views

USB to LPT adapter?

I'm bummed out, pretty much all of our computers here lack parallel ports. I have an EETools ChipMax programming tool that has one of the old-school Centronics connectors on the back. I figured that ...
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3answers
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Anybody still making inkjet printers with parallel port interfaces?

I need small inkjet printers with parallel port interfaces. Unfortunately, it looks like all the big manufacturers have moved fully to USB and ethernet/wireless. Adapters won't work. These are for ...
3
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3answers
11k views

Will Parallel-port dongle work on USB-to-Parallel Adapter?

We have a niche program running on a Win2K laptop that uses a security dongle connected to a parallel port for authentication. The laptop is getting creaky and I spent a frustrating night last night ...
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1answer
910 views

USB-to-Parallel adapter rated as USB 1.1 - will its driver lower speed of USB 2.0 bus?

I need to connect a printer with a parallel port to a computer with only a USB 2.0 bus. I'd like to do so without lowering the USB 2.0 bus speed to USB 1.1. All the USB-to-Parallel adapter cable ...
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6answers
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No LPT port in Windows 7 virtual machines

Windows 7 has MS virtual PC integrated, the VM settings don't give a parallel LPT port mapping to the physical machine. Where did it go? Has anyone else noticed this, and found a solution? Update: ...
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Using a printer in Dosbox

I'm trying to find a way to run an old Dos based application that uses a printer connected to the parallel port, I don't think Dosbox supports lpt. I am interested both in using that printer and in ...
3
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2answers
2k views

How can I plug my LPT printer into a motherboard with no parallel port?

I have a new computer with a Asus P5QL Pro motherboard and wanted to plug my old HP DeskJet 950C printer into it only to discover that the motherboard has no LPT/Parallel port. What is the best ...