Transfer of toner image

After printing a document on an HP LaserJet printer, folding it, and sending it through the mail, you might observe that a portion of the print image was transferred to opposing surfaces of the folded document.

The laser printing process uses a pigmented, plastic powder (toner) to form a print image that is first transferred to a sheet of paper (or other print medium) and then melted (fused) onto the surface of the paper to form a permanent image. Though paper is usually thought of as being “soft,” it is actually quite abrasive. When the printed page is folded, movement under pressure between a paper surface and the toner image might cause the paper to scratch the toner, causing a transfer of the toner material onto the opposing surface of the paper. This can be demonstrated by rubbing a print image against a clean sheet of paper.

Some machinery, such as that used by the U.S. Postal Service to sort mail, can apply the necessary pressure and agitation to cause this toner image transfer phenomenon.

To minimize this effect:

•Minimize the amount (or height) of toner used to produce the print image.

•Use a paper that is less abrasive.

•Ensure optimal fusing of the toner (print) image to the paper.

The amount of toner used to produce a print image is controlled by the print density dial, slide, or control panel settings in the

HP LaserJet printers. The print density should be adjusted for a lighter image to reduce the amount of toner prone to abrasive transfer.

HP LaserJet printers have been designed for optimum results with photocopier (laser) bond papers, such as HP paper. The properties of this type of paper (for example, surface roughness, composition, and moisture content) are such that the other causes of potential toner transfer are minimized. Photocopy papers are typically less abrasive than other types of media (such as writing bond) and are also formulated to ensure optimal fusing of the toner image. Using other

types of media will generally yield less than optimal results in laser 6 printers. For help in selecting media suitable for use in the HP LaserJet printers, see the HP LaserJet Printer Family Print Media Guide.

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HP LJ 4000TN, LJ 2100M, LJ 2100TN, LJ 1100AXI, LJ 1100SE, LJ 1100ASE manual Transfer of toner image
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LJ 2100, LJ 1100SE, LJ 1100A, LJ 4000TN, LJ 1100AXI specifications

The HP LaserJet series has long been recognized for its reliability and performance in the world of personal and office printing. Among its noteworthy models are the HP LaserJet 4000, LaserJet 2100TN, LaserJet 2100M, LaserJet 1100ASE, and LaserJet 1100AXI. Each model brings its own unique features, technologies, and characteristics that cater to various printing needs.

The HP LaserJet 4000 is a robust workhorse designed for medium to large office environments. It features a print speed of up to 20 pages per minute and a maximum print resolution of 1200 x 1200 dpi, ensuring crisp and clear text and graphics. Equipped with a 90 MHz processor and 8 MB of RAM, the 4000 can handle complex documents with ease. It supports HP’s built-in networking capabilities, allowing multiple users to share the printer effortlessly. Additionally, its versatility extends to various media sizes and types, making it suitable for diverse printing tasks.

The LaserJet 2100TN is another commendable model that offers both performance and value. With a print speed of 20 pages per minute and a resolution of 600 x 600 dpi, it’s an ideal choice for small to medium-size businesses. Its advanced HP Smart Printing technology increases its efficiency by optimizing print quality and minimizing paper wastage. The model comes with a 250-sheet tray and supports optional paper feeders, enhancing productivity for high-volume printing tasks.

The HP LaserJet 2100M features an intuitive design that emphasizes user-friendliness. It boasts the same print speed and resolution as the 2100TN but includes an additional 32 MB of RAM, allowing for enhanced processing power. The model supports direct printing from various devices, making it a versatile option for busy office environments.

The LaserJet 1100ASE and 1100AXI models are suited for smaller teams or home offices. Both models deliver reliable performance with print speeds of up to 10 pages per minute. The 1100ASE comes equipped with a parallel port for easy connectivity, while the 1100AXI includes USB support for modern devices. With a compact design, these printers fit perfectly in space-constrained environments without sacrificing print quality, with a maximum print resolution of 600 x 600 dpi.

Overall, the HP LaserJet 4000, 2100TN, 2100M, 1100ASE, and 1100AXI cater to a range of printing needs, offering diverse features and technologies. They are recognized for their durability, efficiency, and exceptional print quality, making them a standout choice for any printing requirement. Whether for high-volume office tasks or everyday documents, these models exemplify HP's commitment to excellence in laser printing.
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