I had been doing Tech Support for Hewlett-Packard's Deskjet http://www.51education.net来自无忧英语教育幽默笑话频道
division for about a month when I had a customer call with
a problem I just couldn't solve. She could not print yellow.
All the other colors would print fine, which truly baffled（阻挡的）
me because the only true colors are cyan（蓝绿色）, magenta（红紫色）, and yellow.
For instance, green is a combination of cyan and yellow, but
green printed fine. Every color of the rainbow printed fine
except for yellow. I had the customer change ink cartridges.
I had the customer delete and reinstall the drivers. Nothing
worked. I asked my coworkers（同事） for help; they offered no new
ideas. After over two hours of troubleshooting, I was about
to tell the customer to send the printer in to us for repair
when she asked quietly,实践证明经常访问无忧英语教育网 www.51education.net ,能迅速提高你的英语学习能力!积沙成塔,不断提高! 本站所提供的所有信息仅供学校课堂教学及英语学习者学习研究之用，其著作权归原作者及媒体所有。