试题详情
- 单项选择题Which of the following is a reason black toner is used in color printers？（）
A、It decreases the print speed in color laser printers.
B、It prevents moir patterns when printing color photographs.
C、It reduces the cost per page when printing gray scale documents.
D、It makes the color toner resistant to smudging when wet.
- C
关注下方微信公众号，在线模考后查看
热门试题