Recalibration of the document scanner

Recalibrate the document scanner if you notice that copies, items scanned to the computer, or faxes you send have black or white lines running through them.

To recalibrate the document scanner

1Clean the HP LaserJet 3100/3150 product before recalibrating it. (See “Maintenance” in the product service manual.)

2Before recalibrating the document scanner, open the document scanner and place a page that contains the black or white lines between the guides just above the contact image sensor glass. The black or white line points to a portion of the glass that requires extra attention.

3Clean the contact image sensor glass at the point indicated by the black or white line.

CAUTION

If toner is the contaminant, you might have to scrape it off of the glass. Be careful not to scratch the glass.

4Print a demonstration page by pressing VOLUME and CONTRAST simultaneously.

5Copy the demonstration page.

6If the vertical black or white line appears on the copy of the demonstration page, continue with steps 7 through 12 below.

7On the control panel, press ENTER/MENU.

8Press < once to display SERVICE, and then press ENTER/MENU.

9Use < and > to select SCAN CORRECTION, and then press

ENTER/MENU.

10Insert a blank, bright white piece of letter-sized paper into the document-feeder tray.

The HP LaserJet 3100/3150 product pulls the piece of paper through and prints a calibration graph.

108 Chapter 2 – Service mode

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HP LJ 4000TN, LJ 2100M, LJ 2100TN, LJ 1100AXI Recalibration of the document scanner, To recalibrate the document scanner
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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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