Question about HP 4250 Monochrome LaserJet Printer

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Printer 4250n no print

Printer 4250 prints only logo , I have changed toner and fusor and print the same

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What do you mean by logo? Do you mean the Menu Page?

Posted on Jan 30, 2008

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Model 2820. How do I solve engine error?


Try Engine test:
turn on device open tray 1 and load paper (1 is the manual feeder)
when you open tray 1 there's an engine-test switch, found it and press it

Engine error are also cause too much resistance from toner, fusor or gears. Remove toner and check that it roll with your fingers on gears, and do same with fusor (could be very hot warning - should be hard move it but not too much) and with printer off and fusor removed check if you can move any gear manually (this can be harder but will help you determine if it's board error or resistance cause a gear problem).
Any previous error happened with the printer can help to diagnose (jams, power off while printing...)

Sep 17, 2015 | HP LaserJet Office Equipment & Supplies

2 Answers

Fax machine print light


When you see light print it can be from a few things. This is basically a laser printer with a fax machine so the same problems exist in both. The most common cause by far is simply low toner. If you take out the toner cartidge and gentl shake it side to side then put it back in. Now try printing again. This should be much darker. This may only last a few dozen pages (but can go a quite a bit more if you are lucky) but it shows you that you need to get a new toner cartridge. The other causes can be a image setting in the fax. In the control panel it will show you a setting for how dark it will print. Normally it is in the middle of the range. The last common thing is a fusor wire. This normally shows up as a error first but it can slowly fail. The fusor is the heater that bonds the toner to the paper. If it doesn't get hot enough then not all the toner sticks and you get light printing.

Normally the problem is low toner.

Jan 10, 2012 | Panasonic KX-FL511 Plain Paper Laser Fax

1 Answer

When printing or copying the ink can be rubbed off, this is usually down the middle of the paper. Any idea which part is at fault, jets, imaging drum ?


This is a problem with the fusor not heating in the middle for some reason. Either the fusor roller is damaged or the heating element is.
Toner is not like ink, it has to be heated onto the paper.
Take a good look at the roller...if it's not damaged, then the fusor itself has a problem and the unit in either case must be serviced.

Feb 23, 2011 | HP LaserJet 2840 Printer

1 Answer

I have a HP Laserjet 4250 that is printing dirty prints. I have replaced the toner and the fuser unit and cannot correct the problem. I have 2 of these printers and the toner and fuser unit works no...


Try printing from the manual feed tray(tray 1). Put a few sheets of paper in the tray. Print anything that is more than two or three sheets of paper. The paper path test is good, 10 sheets. As the paper gets about halfway into the printer, open the top door. Pull out the toner cartridge. Look down at the paper. If it's dirty it has to be the toner or the transfer roller. If it's clean it could be a dirty paper path or fuser.
Vacuum out the printer, if you have mounds of toner laying in the paper path, everything that comes out of the printer will be dirty.

Aug 02, 2010 | HP LaserJet 4250n Printer

1 Answer

Konica-Minolta 2400W is printing very faint. All 4 toner cartridges were recently replaced, and then the drum was replaced. About 50 pages have been printed and it is still very faint. The glass has been...


That could be a problem with either the fusor wire or just need to reset the darkness setting or you didn't gently shake the cartridge (or the toner was exposed to high humidity).

The fusor wire may not be getting hot enough to get all of the toner to stick to the paper and you get the faint page. The fusor assembly is wirth about $240 so you want to make sure if it might be covered by warranty and check the replacement price for the printer. The replacement price might be close to that and you would end up with a new printer with warranty.

Oct 24, 2009 | Konica Minolta magicolor 2430 DL Laser...

2 Answers

59.40 error code


That's a main motor error, something could be jammed in transport, or a generic toner cart. that is too hard to turn, try powering on with toner removed...

Aug 20, 2009 | HP 4250 Monochrome LaserJet Printer

1 Answer

Pink lines and background on all prints


I have seen this recently on an HP 4250 and the red toner cartridge was at fault. Can you replace it and try to print again?

Jan 14, 2009 | HP LaserJet 4650 Color Printer

1 Answer

Envelopes smudge


I have been informed that these fusers have a seperate heating element in the middle of the heat roller for envelopes to save energy and it's temperature is not sensed by the thermistor.If I trick the printer (with paper path tests) into printing envvelopes while thinking that it is letter the fusing is ok.

Feb 05, 2008 | HP 4250 Monochrome LaserJet Printer

3 Answers

Laser cartridges with chips


you need to replace the chips so it will read the amount of pages printed by the toner cartridge.This chip is only for measuring how many pages printed.

Mar 30, 2007 | HP Q2613A OEM Genuine Black Laser Toner...

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