The most common and most likely answer to this crossword clue is the 5 letter word REPRO
I've seen this crossword clue in The Times
R
E
P
R
O
More clues leading to the result REPRO
- Theatre men going over imitation
- Copy, somewhat inferior perhaps, on reflection
- Copy material crook regularly supplied
- Criticism of missing copy
- Copy as alternative to period
- Agent bringing round gold copy, shortly
- Such furniture needs a bit of care, probably
- Imitation gold for every Rolls
- Come-uppance for Queen virtuoso’s imitation
- Theatre roof’s western section’s not original
Buddy explains!

The straight part
We know that "Copy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case copy = repro.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does REPRO mean?
REPRO noun- The proof prepared in offset printing, with all elements positioned on the page.
- To reproduce (a bug or problem).
- The act of reproducing new individuals biologically.
- The act of making copies.
- A copy of something, as in a piece of art; a duplicate.
- The reproduction, reprinting and copying of graphics, especially using electromechanical or photographic methods