Writing
Fusing
Development
Transfer
第1题：
A.Charging
B.Developing
C.Exposing
D.Transferring
第2题：
A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）
第3题：
A. Surge protector
B. UPS
C. RJ-45 connector
D. Toner
第4题：
Which of the following is a reason black toner is used in color printers？（）
第5题：
Which of the following item colorizes the paper using a two-component laser printer？（）
第6题：
Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper.(71) printer is also a nonimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a(72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a(73). Laser printer creates, by means of a laser beam directed on a(74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a(75) of each page.
A．Hot
B．Warm
C．Heat
D．Thermal
第7题：
Which of the following should be avoided when installing a laser printer?（）
第8题：
A.Transfer roller
B.Paper type
C.Print head
D.Fuser
第9题：
Which of the following functions is associated with the developer unit？（）
第10题：
Which of the following stages in the laser print process attracts toner to the latent image on the photoconductor？（）