Q) We have an older model laptop computer with no usb port. Recently it became necessary to replace our printer and it seems all the low end models have no parallel or serial connections. Is there a cable or adapter that would plug into the computer’s parallel or serial port and the usb (female b type) port on the printer?
A) No, sorry there is no way to connect a USB device through a serial or parallel port. There are adapters for the reverse connection, from serial or parallel to USB.
There are cards you can install into most fairly recent computers to add USB or USB 2.0 ports. These adapters have varying support for computer Operating Systems (Mac OS9.x/OSX or Windows XP/2000/98SE) and you will need to make sure that either the drivers are supplied or the Operating System includes generic or specific drivers for the device or chipset used in the device.