The most common and most likely answer to this crossword clue is the 8 letter word PLAYBOOK
I've seen this crossword clue in The Guardian
P
L
A
Y
B
O
O
K
Buddy explains!
The straight part
We know that "It’s printed with parts" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s printed with parts = playbook.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 PLAYBOOK mean?
PLAYBOOK noun- A book containing the text of a play or plays.
- A book of games and amusements for children.
- A book of strategies (plays) for use in American football.
- (by extension) A set of commonly employed tactics and strategies.