Sample Book to Be Checked for Errors

This page is the CodyCross answer for the clue below from Futuristic City , Group 990, Puzzle 5 (Silicon Chips).

Question is: Sample Book to Be Checked for Errors

and the answer is: PROOFCOPY

Word Meaning:

PROOF — (countable) An effort, process, or operation designed to establish or discover a fact or truth; an act of testing; a test; a trial.

Definitions from Wiktionary.