Self-test in Extended Service mode

If you perform a self-test from the Extended Service menu, the printed report will also show the firmware revision number and details.

Note

Print the internal reports before performing Extended Service mode tests. The reports contain a record of all settings and can assist you in restoring the product to its settings.

The table below lists the tests that are performed during a self-test and the actions to take when tests fail.

Extended Service mode self-test failures

	Test	If the test fails, take these actions:

	Configuration test #1	Replace the formatter.

	Fax memory test #1

	Program test #1	1 Cycle power by unplugging the power cord
		from the power source, waiting 10 seconds,
	Configuration test #2	from the power source, waiting 10 seconds,
	Configuration test #2	and then reconnecting the power cord.
		and then reconnecting the power cord.
	Configuration test #3	2 If the test fails again, clear all memory (see
	Configuration test #4	“Extended Service menu tree” on page 99).
		3 If the test fails again, replace the formatter.
	Fax memory test #2	3 If the test fails again, replace the formatter.

	Fax memory test #3

	Fax memory test #4

	Fax memory test #5

	Modem 1 test #1

	Modem 1 test #2

	Modem 1 test #3

100 Chapter 2 – Service mode

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.

HP LJ 4000, LJ 2100M Self-test in Extended Service mode, Extended Service mode self-test failures

Models: LJ 2100 LJ 1100SE LJ 1100A LJ 4000TN LJ 1100AXI LJ 1100ASE LJ 2100M LJ 2100TN LJ 4000