问题:单选题An encoder sensor typically detects:()A paper position.B shaft rotation.C magnetic flux.D laser beam strength.
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问题:单选题The proper safety guidelines for handling any device specific consumables can be found in which of the following documentation?()A Material Safety Data SheetsB Installation GuidesC Consumer ReportsD Devices Parts Catalog
问题:单选题Using the CMYK color model, the color purple is produced by combining cyan and which other color?()A GreenB MagentaC YellowD Black
问题:单选题The customer has a dedicated ink jet fax machine that is used to send and receive faxes only from the corporate office. The user complains of streaks on the received faxes while the internal self-prints are fine. Which of the following should a technician recommend?()A Clean the scanner glass on the distant machine.B Clean the scanner glass on the local machine.C Clean the printer head on the local machine.D Call the telephone company to increase the line signal level.
问题:单选题Which of the following utilities could be used to determine a subnet mask?()A PINGB NSLOOKUPC TRACERTD IPCONFIG
问题:单选题Which of the following components is part of the ink dispersion system?()A Print HeadsB Cleaning headsC Pickup RollerD Charge Assembly
问题:单选题A customer is concerned about excessive media jamming in their device. Which of the following is the FIRST thing a technician should check?()A Media feed rollersB Cassette drawersC Fusing sectionD Device log data
问题:单选题Which of the following devices can route electrical signals only when activated by an external control signal?()A SolenoidB RelayC ClutchD Capacitor
问题:单选题Which of the following failed components would be responsible for the fuser unit not heating properly?()A Halogen lampsB Ball bearingC Hot rollerD Pressure roller
问题:单选题A polygon mirror is part of which of the following assemblies?()A Laser unitB Developer unitC Charge assemblyD Fuser assembly
问题:单选题Which of the following is the FIRST step a technician should take when troubleshooting a device issue?()A Gather information from the customer.B Isolate the problem on the device.C Read the service documentation for possible causes.D Check the parts life counters.
问题:单选题Which of the following functions is associated with the developer unit?()A Supplies toner to the photoconductorB Charges the surface of the photoconductorC Writes the latent image on the photoconductorD Cleans the photoconductor
问题:单选题Which of the following is a reason black toner is used in color printers?()A It decreases the print speed in color laser printers.B It prevents moir patterns when printing color photographs.C It reduces the cost per page when printing gray scale documents.D It makes the color toner resistant to smudging when wet.
问题:单选题Which of the following types of media would MOST likely cause above normal amounts of machine jamming?()A EnvelopesB Colored mediaC LetterheadD Pre punched
问题:多选题During the photoconductor preparation step, residual charge can be removed by which of the following?()APressureBOilCLightDGravityEElectrical Charge