56. During the laser printer’s conditioning phase a uniform charge of _____ is placed on the photosensitive drum.

A. +1000 volt
B. +600 volts
C. -600 volts
D. -1000 volts
E. + 12 volts

57. A dialog box with a bomb appears oh a Macintosh screen. What type of problem has occurred?

A. A RAM problem
B. A software problem
C. A ROM problem
D. An ADB problem
E. None of the above