单选题An encoder sensor typically detects：（）A paper position.B shaft rotation.C magnetic flux.D laser beam strength.

题目
单选题
An encoder sensor typically detects：（）
A

paper position.

B

shaft rotation.

C

magnetic flux.

D

laser beam strength.

相似考题

1.The light from a laser, () in only one direction and () in a narrow beam, is much stronger.A.moves; concentratesB.moving; concentratingC.moving; concentratedD.moved; concentrates

2.A laser beam can completely destroy a cancerous growth without () any dangerous cells.A.leaving aloneB.leaving behindC.leaving outD.leaving off

3.The light from a laser () in a narrow beam.A.connectsB.contactsC.concentratesD.confines

4.A laser beam can be made narrow enough to () a single cell.A.focus onB.pay attention toC.concentrate onD.lay stress on

更多“单选题An encoder sensor typically detects：（）A paper position.B shaft rotation.C magnetic flux.D laser beam strength.”相关问题

  • 第1题：

    A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? ()

    A.Transfer roller

    B.Paper type

    C.Print head

    D.Fuser


    参考答案：A

  • 第2题：

    A laser printer prints pages with a gray background. Which of the following is the MOST possible cause of the problem? （）

    • A、Transfer roller
    • B、Paper type
    • C、Print head
    • D、Fuser

    正确答案:A

  • 第3题：

    Which of the following will MOST likely happen if a laser printer displays ‘15% fuser remaining’?（）

    • A、The printer will print according to specification.
    • B、The printer will stop printing immediately.
    • C、The printer will take longer to print.
    • D、The printer will print blank sheets of paper

    正确答案:A

  • 第4题：

    A user reports that the laser printer is constantly jamming on humid days. Which of the following is the MOST likely resolution to the problem?（）

    • A、Replace the paper with thinner paper.
    • B、Replace the toner cartridges.
    • C、Replace the fuser.
    • D、Replace the print heads.

    正确答案:A

  • 第5题：

    A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）

    • A、Replace the tray two paper sensor and run the printer self test.
    • B、Remove the tray two paper sensor and clean the printhead.
    • C、Check the tray two paper sensors for blockage and run the printer self test.
    • D、Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.

    正确答案:C

  • 第6题：

    A shipping department is reporting that a laser printer in the receiving area is becoming jammed because the printer attempts to pull several sheets of paper for each print. Which of the following may be the cause？（）

    • A、Humidity is causing the paper to stick together.
    • B、The paper is sticking to the corona wire and causing the jam.
    • C、A4 paper is being used and may not be supported by laser printers.
    • D、The fusion roller is dirty and pulling too many sheets of paper.

    正确答案:A

  • 第7题：

    单选题
    A user reports that the laser printer is constantly jamming on humid days. Which of the following is the MOST likely resolution to the problem?（）
    A

    Replace the paper with thinner paper.

    B

    Replace the toner cartridges.

    C

    Replace the fuser.

    D

    Replace the print heads.


    正确答案： D
    解析： 暂无解析

  • 第8题：

    单选题
    A laser printer keeps printing out crumpled pages from the third tray. Which of the following is the MOST likely explanation?（）
    A

    The pickup rollers need to be replaced.

    B

    The paper is too wide for the tray.

    C

    The toner cartridge is leaking.

    D

    The pickup assembly is missing.


    正确答案： D
    解析： 暂无解析

  • 第9题：

    单选题
    After the use of the laser beam, surgeons can perform operations which ______.
    A

    leave their patients with negative effects

    B

    can treat only human eye diseases

    C

    do little damage to their patients

    D

    make their patients need a long time to recover


    正确答案： D
    解析：
    事实细节题。此题用排除法。题干的意思是“使用激光束做手术时医生可以…”。根据文中第三段leave them feeling relaxed and comfortable提到“曾经一度让患者疲惫不堪，并且术后恢复时间漫长的手术现在让患者变得很轻松舒服”，可以排除A项和D项。由文中最后一句“也许一些癌症也能够用激光来治疗”可知B项不正确。C项意思为“使患者受到很小的伤害”，符合文章内容。

  • 第10题：

    单选题
    Which of the following item colorizes the paper using a two-component laser printer？ （）
    A

    toner

    B

    laser beam

    C

    developer

    D

    ribbon


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    A customer states that they cannot print from their laser printer. The printer displays a ‘Paper Jam’ error. Upon inspection there is no paper jam. The only indication is a clicking sound when the user tries to print. Which of the following is the MOST likely cause?（）
    A

    Feed roller gear is broken.

    B

    Feed rollers are dirty.

    C

    Fuser has overheated.

    D

    Toner cartridge needs to be replaced.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    A user reports that printed pages are smearing after the pages come out of a laser printer. Which of the following is the MOST likely problem?（）
    A

    The corona wire is not supplying the correct voltage.

    B

    The fuser is not reaching the correct temperature.

    C

    The paper is card stock and is too thick.

    D

    The paper has a humidity content that is too low.


    正确答案： B
    解析： 暂无解析

  • 第13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


    正确答案：C

  • 第14题：

    A user reports that printed pages are smearing after the pages come out of a laser printer. Which of the following is the MOST likely problem?（）

    • A、The corona wire is not supplying the correct voltage.
    • B、The fuser is not reaching the correct temperature.
    • C、The paper is card stock and is too thick.
    • D、The paper has a humidity content that is too low.

    正确答案:B

  • 第15题：

    An encoder sensor typically detects：（）

    • A、paper position.
    • B、shaft rotation.
    • C、magnetic flux.
    • D、laser beam strength.

    正确答案:B

  • 第16题：

    Which of the following item colorizes the paper using a two-component laser printer？ （）

    • A、toner
    • B、laser beam
    • C、developer
    • D、ribbon

    正确答案:A

  • 第17题：

    A color laser printer is producing pages where the ink smears when touched. Which of thefollowing components should be replaced?（）

    • A、Paper tray
    • B、Fuser
    • C、Toner
    • D、Drum

    正确答案:B

  • 第18题：

    单选题
    A laser printer has an error tray two paper jam but tray two does not have any paper in it. Which of the following should the technician do FIRST? （）
    A

    Replace the tray two paper sensor and run the printer self test.

    B

    Remove the tray two paper sensor and clean the printhead.

    C

    Check the tray two paper sensors for blockage and run the printer self test.

    D

    Check the tray two paper rollers for blockage, clean the printhead, and run the printer self test.


    正确答案： B
    解析： 暂无解析

  • 第19题：

    单选题
    A laser printer keeps displaying, ‘Paper Jam – Front Door’. It does not matter which tray or paper type the printer is using. Which of the following is the MOST likely reason why the printer is having this issue?（）
    A

    The printer fuser assembly needs to be replaced.

    B

    The pickup rollers no longer have pickup grip.

    C

    Something is stuck inside of the pickup assembly.

    D

    The printer needs to have the toner cartridge replaced.


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    The reason why the laser beam is very strong is that ______.
    A

    it is artificially illuminated

    B

    it is made up of a concentrated beam of light

    C

    it sends out heat in all directions

    D

    its heat is increased by the heat of the sun


    正确答案： D
    解析：
    事实细节题。由关键词why the laser beam is very strong定位第二段最后一句可知“能量被集中到一起而变得强大”。故答案为B项。

  • 第21题：

    单选题
    Which of the following is the recommended maintenance for a laser printer？ （）
    A

    Clean all fan filters； wipe down the paper path and re-adjust the corona wire.

    B

    Clean all pickup rollers； re-adjust the corona wire and replace the fuser assembly.

    C

    Clean all pickup rollers； replace the fuser assembly and clean all fan filters.

    D

    Clean all pickup rollers； wipe down the paper path and clean all fan filters.


    正确答案： B
    解析： 暂无解析

  • 第22题：

    单选题
    A shipping department is reporting that a laser printer in the receiving area is becoming jammed because the printer attempts to pull several sheets of paper for each print.Which of the following may be the cause？（）
    A

    The paper is sticking to the corona wire and causing the jam.

    B

    Humidity is causing the paper to stick together.

    C

    A4 paper is being used and may not be supported by laser printers.

    D

    The fusion roller is dirty and pulling too many sheets of paper.


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following will MOST likely happen if a laser printer displays ‘15% fuser remaining’?（）
    A

    The printer will print according to specification.

    B

    The printer will stop printing immediately.

    C

    The printer will take longer to print.

    D

    The printer will print blank sheets of paper


    正确答案： C
    解析： 暂无解析

  • 第24题：

    单选题
    An encoder sensor typically detects：（）
    A

    paper position.

    B

    shaft rotation.

    C

    magnetic flux.

    D

    laser beam strength.


    正确答案： B
    解析： 暂无解析

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