正确答案：
MEMO
To: All packing machine operators
From: Production Manager
Subject: Check the machine settings
We have experienced some problems in the packaging department. The 82K machines have not all been set correctly for the new packaging. Please ensure you check all settings before using the now packaging.
本题要求写一篇备忘录，身份是生产经理，需要写给工人们，主要内容是要求工人们检查机器设置问题，备忘录主体部分需要包括以下三个要点：
1. 解释现在的问题，
2. 说明哪些机器有问题，
3. 让他们检查机器的设置。
