according to job specifications. Perform routine maintenance on printing equipment, such as cleaning, lubricating according to job specifications. Perform routine maintenance on printing equipment, such as cleaning, lubricating according to job specifications. Perform routine maintenance on printing equipment, such as cleaning, lubricating according to job specifications. Perform routine maintenance on printing equipment, such as cleaning, lubricating according to job specifications. Perform routine maintenance on printing equipment, such as cleaning, lubricating