Port Driver Download Portable - Wch Ch382l Parallel

Complete Guide to WCH CH382L Parallel Port Driver Download The WCH CH382L is a high-performance chipset designed by Nanjing Qinheng Microelectronics that converts a PCI-Express bus into dual serial ports and a single printer/parallel port. Whether you are setting up legacy industrial equipment, CNC machines, or older printers, finding the correct driver is essential for system compatibility. 1. Where to Download the WCH CH382L Driver

Download and compile official driver

wget http://www.wch.cn/downloads/CH382LINUX_ZIP.html unzip CH382LINUX_ZIP.zip cd CH382LINUX/driver make sudo make install sudo modprobe ch382 wch ch382l parallel port driver download

What is the WCH CH382L Parallel Port Driver? Complete Guide to WCH CH382L Parallel Port Driver

“The CH382L driver v3.2 on Windows 10 constantly reset my AXIS CNC controller. Upgrading to v3.6 from the WCH site fixed it. Also had to force IRQ 7 via the config tool.” – CNC enthusiast What is the WCH CH382L Parallel Port Driver

Issue B: The Port is Detected, but Software (Mach3, CNC, Scanner) doesn't see it.

The WCH driver often assigns a virtual LPT port number (e.g., LPT3) that your legacy software is not looking for.

Last updated: 2025. For the most current driver, always visit the official WCH download page and filter by "CH382L" or "CH38X series."

Open Device Manager.
Expand Ports (COM & LPT).
Right-click the CH382L LPT port → Properties.
Go to the Resources tab.
Note the I/O range (e.g., 0378 – 037F is standard LPT1).
In the Port Settings tab, you can enable EPP or ECP mode depending on your legacy device requirements.