Around 2 years ago I bought a HP Laserjet 4050DTN for £15 on eBay. It turned out to be a very good investment as it does a whole host useful things like double-sided printing etc, albeit in black & white- plus I have never had to replace the toner and it still reckons it has 75% left!
Anyway, I don't really know anything about laser printers and it has recently started to leave a big black smudge down the left hand side of the page. (It doesn't do it if the writing/ picture is only on the right hand side however). I was wondering what the problem could be? There are tons of cheap spare parts on ebay so I was wondering what I should try? Many thanks in advance
Thanks guys. None of that seemed to work... it's not all bad news though. I began to run out of paper this morning so bought some new stuff (Xerox copier paper like I always do) and the smudge has gone! So I tried the old paper again and the smudge was there.... put the new stuff in again and it's gone! Very strange considering it's the same brand, type and grade of paper- can't explain it!
No reason it would have become damp that I can think of. The printer holds around 1000 sheets, so it's always stored in one of the trays. Doesn't feel damp either- perhaps the paper was contaminated with some chemical or another- oh well, another of lifes little mysteries.