单选题A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? （）A
题目
单选题
A customer reports that the laser printer produces poor quality printouts. Having arrived onsite, the technician has a discussion with the customer and reviews some examples of their print jobs. Which of the following should the technician do NEXT? （）
A
Clean the toner cartridge.
B
Change the paper.
C
Replace the fuser.
D
Print a test page.