A user is having problems printing. The technician believes the printer may be out of ink. Which of the following troubleshooting steps should be performed NEXT?（）A. Establish a plan of action to resolve the problemB. Implement the solutionC. Test the theory to determine causeD. Verify full system functionality

单项选择题

A user is having problems printing. The technician believes the printer may be out of ink. Which of the following troubleshooting steps should be performed NEXT?（）

A. Establish a plan of action to resolve the problem
B. Implement the solution
C. Test the theory to determine cause
D. Verify full system functionality

220-701