^ Both are correct. Which one you would use might depend on what your intentions are towards the old printer....
If you plan to repair the old printer and continue using it, or to sell it, you might say you're not using it now because the heads have
clogged, or the heads are
If you've given up on the thing and thrown it away, that would be because the heads had
clogged, or the heads were
Are these correct? I have 'before' here, so do I use 'haven't' or 'hadn't'? How do you know?
1. But I haven't used it before.
2. But I had’t used it before.
Both are correct, depending on context.... they have different meanings.
used it before means just what it says.... as of now, you haven't used it.
used it before', however, refers to something you hadn't used at the time you are referring to, but which you have
Example.... as of today, I have never used a gromble, though I bought one yesterday, and I plan to use it tomorrow. I used a wemble yesterday for the first time ever. So....
I'm quite exited about using my new gromble tomorrow. I haven't
used it before.
Last week, I was excited about using my wemble, as I hadn't
used it before. Frankly, it was a big disapointment.