I note you say computer is a few years old so is it a USB or old style parallel?
Could be you see you have set the incorrect port
LPT1 old style
USB Printer new style
Also change the cable[which ever it is]
OnePlus 5 review
See the work of famous artists playing with toys
iPad Pro 10.5in (2017) review
Comment faire une capture d’écran sur un Mac ?