HP LaserJet 4000N

How to Identify and Fix Common Problems ?

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The d in both cases means it can print duplex (front and back) printing The n is for wired networking. The w is for wireless (AND wired) networking.
The LaserJet Pro 400 M401n Network Monochrome Laser Printer from HP outputs up to 35 pages per minute. The printer`s high 1200 dpi resolution (black and color) and 50,000-page monthly duty cycle are ideal for small to mid-size offices looking to cut costs by printing in-house, saving the time and money of outsourcing.
HP 4200 Laserjet Printer at Rs 18000/piece | HP Laser Printer in Hubli | ID: 16665298633.
The average lifespan of a printer is around 3-5 years. With proper upkeep and maintenance, some printers can last longer, but eventually your machine will need an upgrade.
N = Network. This means that the printer will come with some form of network feature, usually wi-fi connectivity or an ethernet port.
A: dw = duplex & wireless, dn = duplex & network, nw = network & wireless. Where duplex means the printer will automatically print on both sides of the paper without having to re-insert a paper to print on the back. Network means printer will work on a wired network.
Print from virtually anywhere, using HP ePrint. 1 • Share printing resources with an Ethernet network. Automatic two-sided printing helps save paper. Boost productivity with print speeds up to 33 ppm A4 and 35 ppm letter.
Speed is 33 ppm A4 size and 35 ppm Letter-size.
Set up anywhere in the office using the LaserJet Pro 400 M401n built-in wireless networking and share printing resources on a network.
Quality: While inkjet printers are considered powerhouses when it comes to high-resolution color printing, laser printers do produce solid color and black and white results.
As print quality goes down over time, this will be a reason to replace the color printer. We find a black and white printer can sometimes last 10 years or more and most color laser printers are replaced every 3 to 5 years.
A good rule of thumb: if your printer is more than seven years old, you may want to start pricing new units. In this case, even a relatively inexpensive component is not worth the investment.
If you look at the back door cover of the printer there is a label that has your model number serial number and also includes the date of manufactuer. Hope this helps.
If you look at the back door cover of the printer there is a label that has your model number serial number and also includes the date of manufactuer. Hope this helps.

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ANSWER : What is the fuser? And how can it be changed?

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ANSWER : I have the same issue… I’ve tried everything above… I don’t believe it’s dust as this happens on and off occasionally… I think I may need to make a youtube video of me “fixing” this printer! I’m really frustrated with this thing!! If it doesn’t work soon, I’m gonna by the solution in the form of a hammer!

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HP LaserJet 4000N

HP 4101MFP Hard Drive Question
ANSWER : To initialize: turn off – Press start and hold down while turning on, release after all three light light, you should see initialize disk hit check, and allow to boot.

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HP LaserJet 4000N

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ANSWER : You can replace it by finding the slot of DIMM, where the existing HP4550N formatter board is installed. More info is available here

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HP LaserJet 4000N

Reseting the ink levels for hp c7280,
ANSWER : I held the # and 6 down long enough to start a complete re-set of the printer But the Black ink level still shows as depleted when it is actually still half full.

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HP LaserJet 4000N