HP Inc. announced a definitive agreement to acquire Samsung Electronics Co., Ltd.’s printer business in a deal valued at $1.05 billion.   The acquisition positions HP to disrupt and reinvent the $55 billion copier industry, a segment that hasn’t innovated in decades. Copiers are outdated, complicated machines with dozens of replaceable parts requiring inefficient service and maintenance agreements. Customers are frequently frustrated with the number of visits needed to keep copier machines fun...