Laser Printer, Storage, and 3-D Printer Insights
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Questions and Answers

When a user tries to print a document on a laser printer, vertical lines appear on the printout. Which of the following should the technician replace?

  • Fuser
  • Toner
  • Mirror
  • Drum (correct)
  • A customer wants to archive a large number of photos and does not plan to retrieve them often. What is the least expensive storage option per gigabyte?

  • NVMe SSD
  • 5,400rpm HDD (correct)
  • SCSI RAID
  • 15,000rpm SAS
  • A user is printing a part with a thermoplastic polyurethane (TPU) filament on a 3-D printer. The first layer on every print job is not adhering properly. What should the user do to improve adherence on the first layer?

  • Increase the print speed
  • Raise the filament flow amount (correct)
  • Lower the print bed temperature
  • Adjust the RPM of the cooling fan
  • When a user tries to print a document on a laser printer, vertical lines appear on the printout. Which of the following should the technician replace?

    <p>Drum</p> Signup and view all the answers

    A customer wants to archive a large number of photos and does not plan to retrieve them often. Which of the following should the technician suggest for the least expensive storage option per gigabyte?

    <p>5,400rpm HDD</p> Signup and view all the answers

    A user is printing a part with a thermoplastic polyurethane (TPU) filament on a 3-D printer. The first layer on every print job is not adhering properly. Which of the following should the user do to improve adherence on the first layer?

    <p>Raise the filament flow amount.</p> Signup and view all the answers

    Study Notes

    Laser Printer Maintenance

    • Vertical lines on a laser printer printout indicate a damaged drum unit.
    • The drum unit transfers toner to the paper based on an electrostatic image.

    Storage Options

    • Hard disk drives (HDDs) are the most cost-effective storage option per gigabyte.
    • A 5,400rpm HDD is suitable for archiving large amounts of data that won't be accessed frequently.
    • NVMe SSDs, SCSI RAIDs, and 15,000rpm SAS are more expensive options.

    3-D Printer Troubleshooting

    • The first layer of a 3-D print not adhering properly indicates an issue with filament flow.
    • Increasing the filament flow amount (extrusion multiplier) can improve first-layer adhesion by ensuring enough filament is extruded.
    • Lowering the print bed temperature can decrease adhesion and lead to warping or curling, especially with TPU filaments.
    • Cooling fan adjustments are not a significant factor for first-layer adhesion, and may even cause damage to TPU prints.
    • Increasing print speed can worsen adhesion issues with flexible filaments like TPU.

    Laser Printers

    • Vertical lines on a laser printer printout are usually caused by an issue with the drum unit
    • The drum unit is responsible for transferring the electrostatic image to the paper
    • Damage or defects on the drum surface cause uneven toner distribution, resulting in vertical lines on printouts

    Storage Devices

    • 5,400rpm HDD offers the lowest cost per gigabyte, making it ideal for archiving large amounts of data that are not accessed often
    • NVMe SSD, SCSI RAID, and 15,000rpm SAS offer higher performance but come at a higher cost per gigabyte

    3D Printing

    • TPU filament requires adjusting the filament flow amount to ensure proper first layer adhesion on a 3D printer
    • Increasing the flow amount ensures that enough filament is extruded to create a strong bond with the print bed
    • Lowering the print bed temperature might decrease adhesion
    • Adjusting the cooling fan RPM usually has minimal impact on first layer adhesion
    • Increasing print speed might worsen the first layer adhesion

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    Description

    This quiz covers essential maintenance and troubleshooting tips for laser printers, storage options, and 3-D printing issues. Learn about drum unit importance, cost-effective storage types, and how to ensure successful 3-D print adhesion. Test your knowledge and improve your technical skills in these areas.

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