Questions tagged [parallel-port]

The parallel port on a computer for connecting peripherals

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Matrix printer only receives ~one character when SEL is pressed

I'm trying to get an OKI microline 3390 to work, and manually sending text to it as demonstrated here: (thirty-minute video). I understand the printer has to be selected for it to work, which on my ...
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0 answers
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Dot matrix printer on Windows 10 using USB-to-parallel cable not working as expected

I'm trying to connect an OKI microline 3390 24-pin dot matrix printer to a windows 10 laptop, mainly to print PDFs. The printer only has a centronics 36-pin parallel port and the laptop only a USB one,...
1 vote
2 answers
163 views

What does serial really mean? Isn't USB3/SATA actually parallel? [duplicate]

As far as I understand. Serial means data is being sent one by one instead of parallel where multiple bits of data are streamed simultanously. Howewer connections like SATA and USB 3 actually have ...
2 votes
1 answer
283 views

Can I Use a Parallel Cable With Two Male Ends As a SCSI Cable?

I have an old SCSI Zip Drive that I want to use with my old Macintosh Plus as a replacement for a HDD. The Zip Drive has two female DB-25 SCSI ports on it, one for connecting to the computer, and the ...
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1 answer
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5.25 Through Parallel Through USB

I have managed to find an old external parallel 5.25" Drive, I have connected this up with a USB to Parallel cable. The cable is detected fine in Linux. I could spend hours browsing the web and or ...
31 votes
7 answers
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Is this an old school copy protection device?

Is this a parallel port dongle that's required to run certain old software (w/out modification)? If so, how do I determine for what software or publisher it is for, assuming it is possible to do so?
1 vote
1 answer
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PORT-MAPPED I/O (Parallel Port)

I was reading into linux device drivers and reading and writing from parallel ports. I read something to the effect of ioperm(from, num, turn_on) , where: from is the first port number to give ...
-2 votes
1 answer
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old Designjet 430 with Windows 10

How do you install windows 10 drivers for an old designjet 430 hp plotter? It has a parallels port (LPT port), no USB. I haven't been able to find Windows 10 drivers for it.
32 votes
4 answers
14k views

How do I transfer data between two old PCs using parallel or serial?

Recently, I found an old Gateway 2000 Colorbook laptop with MS-DOS6.22/Win3.1 that had no ports but PS2, parallel, and serial ports. My modern computer doesn't have any of these ports, so I am trying ...
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1 vote
1 answer
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Hasp dongle only temporarily recognized

On a Windows XP system, I have to use a proprietary software to pilot a wood cutting machine. The software is protected by a hasp dongle, plugged into a parallel port. It was previously set up on a ~...
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1 vote
1 answer
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Can't print to parallel port LPT1 on docking station in Win7

I have a POS printer MicroPOS ADP400. On a desktop PC I connect it to parallel port on MBO and print like this copy file.txt LPT1:and it works. On my HP Probook laptop with LPT port on a docking ...
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Windows 10 - USB to parallel software

I would like to use the outputs from a parallel port for home automation. To do this I need to be able to switch the pins individually but Win10 no longer supports the parallel port. Can I use a USB ...
45 votes
5 answers
8k views

How many port adapters, and which ones can be stacked up and actually work?

Someone posted this pic on twitter today: That won't work, right? Why, exactly? And, specifically, at which point the stack of adapters stops working?
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1 answer
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Driver for ZEON2 94V-0 PCI card?

I need to use a PCI card with a parallel port on it with my PC but I am not able to find a driver for it, so, how can I use this card? The only information I can read from the card is ZEON2 94V-0 on ...
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17 votes
1 answer
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Is serial port a 'male' or 'female'?

Usually, the "ports" on the computer are female but this one in specific appears to be a male port. I have never seen one and google images are also causing a confusion from seeing this: If that's ...
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PCI Simple Communications Controller Driver

I have a Compaq Presario CQ5320F desktop PC (Windows 7 64-bit OS). And it has an PCI extension card with a parallel port. But when I connected a printer that uses a parallel connection it didn't work, ...
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2 votes
0 answers
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Copy files from Linux to Windows 3.11 using parallel port

How can I copy files from a Linux machine to one running Windows 3.11 or DOS 6.22 using the LPT (parallel) port? Do I need a cable with a special adapter? I know I had this working a long time ago to ...
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4k views

Old DotMatrix Printer(parallel port) to USB

I have this printer. It has a 25 pin parallel port. To make it work with my pc,I purchased a Parallel to USB adapter. But nothing seems to work(the printer doesnt get detected) I have tried setting ...
0 votes
1 answer
104 views

Getting started with serial port (COM port) [closed]

I'm beginner in hardware building and curious about using my parallel port. Could someone suggest me how to start work with it? What cables I have to buy? How get simple I/O using COM port? How ...
0 votes
0 answers
922 views

No drivers for PCI-to-Parallel card due to invalid PID

I have a Moschip-based PCI to dual Parallel card, based on the Moschip MCS9815CV chip. This card looks exactly like this one and also same chip as the Rosewill RC-304. The back of the card has a ...
-1 votes
1 answer
49 views

Parallel data to file

this question is about catching printer data and writing it in a file. We use an old Unix system which is unfortunately crucial. This Unix system uses a matrix printer. This printer seems to get its ...
-1 votes
1 answer
678 views

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 ...
2 votes
3 answers
8k 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 ...
5 votes
4 answers
6k 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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1 answer
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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 ...
0 votes
0 answers
987 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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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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2 votes
1 answer
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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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8 votes
2 answers
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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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1 vote
2 answers
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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.
1 vote
1 answer
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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 machine. I ...
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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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1 vote
1 answer
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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 ...
0 votes
1 answer
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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 ...
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2 votes
1 answer
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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 ...
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1 vote
3 answers
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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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0 votes
0 answers
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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 ...
7 votes
2 answers
19k 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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2 answers
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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 USB-to-...
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1 answer
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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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1 vote
2 answers
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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 ...
2 votes
2 answers
587 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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1 answer
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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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1 answer
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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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19 votes
8 answers
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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 ...
1 vote
0 answers
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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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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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2 answers
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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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3 votes
2 answers
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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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3 votes
3 answers
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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 ...
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