Printer doesn't pick up paper
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Some years ago, my printer didn't grab the paper anymore. It moved half an inch and stopped. I asked the seller, who told me off, saying I had bought the wrong paper (i.e. not in his shop) and that my printer was ruined.
After looking around, I found a solution which is still working.
Open the rear door. On the left side, past the rubber rollers, there is a grey striated roller which rests on the paper stack.
It is quite out of reach, but with a cotton swab wet with isopropyl alcohol, you can clean it. Make it roll, to clean all of it.
And that's all. Approximately every year, I have to do it again. It is easy and cheaper than a new printer.
Archived as not answerable by oldturkey03