That bit represents, at the time of reading, whether a single wire in the printer cable is at low or high voltage.
All that's left to do after this is to connect the power lead and your own printer cable.
When attached to a printer via a printer cable, it can print the weight on paper.
In the old days, it was hard just to find a standard printer cable; now you could buy them in stationery stores.
"Then much to my embarrassment I found that the printer cable had come unplugged from the back of the computer."
But even networked homes usually maintain one tether to the past: the printer cable.
We can print from anywhere without having to bother with printer cables.
I tried both the printer and the printer cable with another computer, and everything worked; clearly, the problem was related to the parallel port.
Quickly connecting the printer cable, he hit the print key just as weird, ghost-like images appeared.
Lots of others, like printer cables and that sort of thing.