220-604：please download 220-604 in PDF format Demo
1. Which of the following is the process a scanner uses to scan images to a computer?
A. Light is shown through the image and onto the scanner head.
B. Light is reflected off a mirror onto the Charged Coupled Device (CCD).
C. Light is flashed off a mirror onto the CCD.
D. Light is reflected off the image and into a camera.
Answer: B
2. A technician is performing scheduled preventive maintenance on a laser printer. Which of the following should the technician clean or replace?
A. fuser
B. ozone filter
C. transfer corona
D. primary corona
Answer: B
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