HP LaserJet 4L

How to Identify and Fix Common Problems ?

Our sources include academic articles, blog posts, and personal essays from experienced technical support :

This noise can be due to any one of the following: A piece of paper, or other obstruction, is stuck somewhere inside the printer. One of the toner cartridges or photo developer units may be installed incorrectly or may be damaged. A door or cover may not be closed completely.
A grinding sound is heard when the printer is turned on or when it is printing. Blinking lights may accompany the noise. The problem can be caused by a carriage stall or a paper jam.
A grinding noise is typically caused due to paper jam, carriage jam, loose gears and rollers.
When a computer fan spins loudly for a long period of time, there might be an issue with a fan, or the computer might be overheating. Adjust the power settings, clean the fan vents, check for suspicious processes, and then update the BIOS to help reduce the internal temperature.
That grinding noise means something is loose inside the hard drive, where there simply shouldn`t be anything loose at all. That typically means that when that thing becomes completely loose, it`s going to go flying around in there and cause all sorts of destruction within the drive itself.
making a sound of one hard thing moving against another. a grinding noise.
Dot matrix printers create noise when the pins or typeface strike the ribbon to the paper, and sound-damping enclosures may have to be used in quiet environments. They can only print lower-resolution graphics, with limited color performance, limited quality, and lower speeds compared to non-impact printers.
Laser printers are not very noisy in operation. Compared to the thump-thump of an inkjet and the shriek of dot-matrix machines they are generally quiet. Larger printers do tend to have a couple of cooling fans and there will be the usual noises of pickup rollers, paper moving, cogs churning and clutches operating.
The reason varies for inkjet printers and laser printers. In case of the inkjet printers, the noise occurs due to the ink cartridge alignment and for the carriage to move to the side of the printer. up of the fuser and certain internal process occurs.
IMPORTANT: If a drive is making a grinding sound during use, this could mean that physical damage is being caused to the drive`s platters by continued use. If you absolutely need any data on the drive, contact Data Recovery Services immediately before troubleshooting.
Grinding sounds are often from a lack of water moving through the pump. If your baskets are clear, then you probably have a problem somewhere else in the pump. For example, something may block a suction pipe. Or, something may have got in the way of the impeller inside the pump.
Clean the Air Vents

As time goes on, dust and debris can accumulate in and around the air vents. This can hinder airflow, cause abnormal fan operation and laptop overheating. So, you should clean the air vents to fix the issue of HP laptop loud fan.

If your HDD is failing, you will usually hear a grinding, clicking, or scratching noise. All of these are serious and can lead to data loss. If you hear these noises, immediately backup your data and stop using the drive. You should then buy a new HDD or take the opportunity to upgrade to an SSD.
Coils of wire in a magnetic field vibrate when subjected to alternating current. They vibrate more strongly when the current in the wire is increased. When the vibrating frequency goes up to the range that the human ear can hear, that causes the sound reported.
It can be scary to hear your computer make a grinding noise when you turn it on or even just suddenly after running it for a while. The only components that can make this kind of noise inside a computer are mechanical moving parts, such as cooling fans or drives (hard disk drives or optical disc drives).
If you hear grinding noises when stopping or slowing down, your brake pads are most likely the issue. Remember, over time your brake pads lose their thickness and begin to make squealing noises known as “brake scrubbing.” As your pads wear down further, you`ll hear a grinding noise instead.
Verb The corn is ground into meal. The steel grinds to a sharp edge. She kept grinding the car`s gears.
You`ll know the drum is dirty if you notice that the print quality has become blurry and features blank spots or oddly-colored spots despite having full toner cartridges. Horizontal lines across the printout when the paper passes over a dirty area are another sign that it`s time for some maintenance.
Dot matrix printers are noisy and slow.
The noise you are describing could be the carriage sticking or a small piece of debris inside the unit. You could go thought each of these documents step by step to clean out your printer to see if it resolves the issue.
Paper pushed too far into the input tray when it is loaded, might feed into the printer incorrectly, causing the paper to tear. Paper stacks loaded into the input tray with too many or too few sheets of paper, might feed into the printer incorrectly, causing the paper to tear.
The noise you are describing could be the carriage sticking or a small piece of debris inside the unit. You could go thought each of these documents step by step to clean out your printer to see if it resolves the issue.
Paper pushed too far into the input tray when it is loaded, might feed into the printer incorrectly, causing the paper to tear. Paper stacks loaded into the input tray with too many or too few sheets of paper, might feed into the printer incorrectly, causing the paper to tear.
HP LaserJet P3005/M3027MFP/M3035MFP Grinding

After replacing the fuser you may hear a rumbling sound from the rear side of the printer. This rumbling, or grinding, is due to the newly replaced gears working with the worn fuser drive gears.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Dead HP 4L
ANSWER : My old HP 4L didn’t power up after I had to shut it down for a couple of weeks. Not lights, no fan … my nice old clunky Laserjet dead?

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HP LaserJet 4L

HP 4L Printer Paper Jam
ANSWER : The paper jam pointer flashes after the printer sustained the second sheet of paper a couple of centimeters into the machine. The main page in the wake of driving on the printer after some time dependably gets printed, yet it gets stuck at all after pages.

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HP LaserJet 4L

M425 printer makes noise
ANSWER : Try starting you printer ON without the cartridges. If it still makes the same noise, then it is most probably you fusing unit gears are broken. Check also for objects that might been stucked to the gears inside.

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HP LaserJet 4L

HP Laserjet M3035xs RFU Upgrade
ANSWER : There’s no way.

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HP LaserJet 4L

HP Laserjet 4200 50.2 Fuser error
ANSWER : if you are using a good fuser the next part to try would be low voltage power supply

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HP LaserJet 4L

evenly spaced horizontal lines on hp laserjet III printout
ANSWER : The lines would be a toner cartridge problem. Which paper tray? The MF tray or the optional paper cassette?

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HP LaserJet 4L

HP laser jet 3015 "Upgrade Error Call HP Support"
ANSWER : rgtr

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HP LaserJet 4L

HP Laserjet 4250 – RFU LOAD ERROR
ANSWER : Italiano:

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HP LaserJet 4L