HP AIS Certification Exam HP0-239

Which of the following statements is TRUE?

A. The function of the erase lamp assembly is to erase and clean toner particles.
B. The fusing assembly has a thermal sensor to prevent overheating and fires.
C. If a page comes out of the printer completely black, it means that the toner cartridge
has given to much toner.
D. Problems associated with HP0-207 poor-quality output do not involve the transfer corona,
cheap paper, or problems with the high-voltage power supply.
Answer: B
Explanation:
Fusing assembly provides the heat and pressure necessary to bond plastic toner particles
to paper. It also has a thermal sensor to prevent overheating and fires.

Incorrect Answers
A: After the image is developed and transferred to paper, the erase assembly removes the
latent image, clears, and resets HP0-216 the EP drum. It does not erase and clean toner particles.
C: If a page comes out of the printer completely black, the most likely culprit is a
problem with the primary corona wire. This may also be a failure in the internal
electronics of the writing assembly.
D: A black or dark streak would more likely mean that the EP surface isn't being
correctly erased. Other problems associated with poor-quality output involve the transfer
corona, cheap paper, or HP0-239 problems with the high-voltage power supply.

Reference:
James G. Jones and Craig Landes, A+ Exam Cram 2 (2nd Edition), QUE Publishing,
Indianapolis, 2003, p. 378