In December 2000 HP shipped its 50-millionth LaserJet printer.

Support office printing workflows efficiently with color laser printers

Brother HL-L2340DW Compact Laser Printer, Monochrome, Wireless, Duplex Printing, Amazon Dash Replenishment Enabled

  • Review
  • TAG : Laser Printers at Office Depot and OfficeMax
  • Meet your environmental goals, boost your bottom line. One of the most energy-efficient laser printers on the planet, this HP LaserJet features resource-saving technologies. The compact design uses less space and creates less packaging waste.

    Introducing the all-new HP LaserJet printers, built around a breakthrough in
    toner chemistry – new Original HP Toner cartridges with JetIntelligence.

  • Affordable, shared, wireless HP LaserJet printing in the home or office, using one of the most energy-efficient laser printers on the planet. Print from virtually anywhere with HP ePrint.

    The mechanism inside a laser printer is somewhat delicate and, once damaged, often impossible to repair. The drum in particular is a critical component: it must not be left exposed to ambient light for more than a few hours, as light is what causes it to lose its charge and will eventually wear it out. Anything that interferes with the operation of the laser such as a scrap of torn paper may prevent the laser from discharging some portion of the drum, causing those areas to appear as white vertical streaks. If the neutral wiper blade fails to remove residual toner from the drum's surface, that toner may circulate on the drum a second time, causing smears on the printed page with each revolution. If the charge roller becomes damaged or does not have enough power, it may fail to adequately negatively charge the surface of the drum, allowing the drum to pick up excessive toner on the next revolution from the developer roll and causing a repeated but fainter image from the previous revolution to appear down the page.

    HP LaserJet printer type
    Control panel message
    HP LaserJet 4 and 4m printers:
    HP LaserJet 4 Plus, 4m Plus, 4v, 4mv:
    HP LaserJet 5/5n/5m and the original Color LaserJet:
    HP LaserJet 4Si/4Si MX:
    MIO MENU 1 or MIO MENU 2

    Type Monochome laser printer
    Function Print
    Print technology Laser

    Page maximizer technology helps HP LaserJet color printers work with HP JetIntelligence toner cartridges to intelligently detect cartridge system wear, providing improved performance and ultimately more pages to the customer.

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Color printing adds complexity to the printing process because very slight misalignments known as registration errors can occur between printing each color, causing unintended color fringing, blurring, or light/dark streaking along the edges of colored regions. To permit a high registration accuracy, some color laser printers use a large rotating belt called a "transfer belt". The transfer belt passes in front of all the toner cartridges and each of the toner layers are precisely applied to the belt. The combined layers are then applied to the paper in a uniform single step.