Question about HP LaserJet 4250n Printer

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My laser printer is leaving a big streak mark and i think its the roller how do i clean it?

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I concur with antiochpc its the fuser. The fuser heats up the particles found in the toner that melt onto the page to make printing possible.

Posted on May 28, 2009

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If it is the same pattern on every page you print, it is your fuser; and there is no cleaning it. The fuser needs to be replaced.

Posted on May 28, 2009

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1 Answer

I have a Lexmark E232 laser printer. I have just had a faint unwanted mark on my print-out which repeats itself on each page printed. I found a horizontal streak across the green photoconducter. Can this...


All laserjet printers and laserject function on the same basic principles and unwanted marks, streaks, line etc, which are repeated in a pattern are mostly due to the deterioration of the cartridge parts(photoconductor and PCR roller mainly). The problem can be fixed by correctly identifying the faulty part and replacing it. This saves the cost of buying a new toner. However, sometimes cleaning the visible inside of the printer and cartridge roller greatly helps, which can be easily done using dry lint-free cloth and gently cleaning the photoconductor etc. Good Luck!

Hope it Helps!
CreativeTECH

Nov 26, 2010 | Lexmark E232 Laser Printer

1 Answer

I'm getting black streaks down the left side of the paper. There is plenty of toner left in the cartridge. We've vacuumed out the printer, cleaned the drum - nothing helps.


black streaks the toner cartridge is leaking from the left side which is easy to check pull the tone and look at the gears on the left side to see if toner is present. if these gears have toner on them the cartridge is leaking replace it. check the fuser for wear marks on the hot roller which is the top roller when these get worn through the outer coating they will create black streaks

Dec 05, 2009 | Lexmark E238 Laser Printer

1 Answer

Lexmark laser printer leaving a white streak 2-3


take a q-tip and clean the scanner window. this is located in a 3/16' opening on the roof of the printer cavity it will be about 8inchs long. pull the toner cartridge and feel with your fingers on the roof of the cavity this will be located above the transfer roller slightly towards the front of the printer. white lines like this mean the laser is being blocked usually by a bit of toner or other dirt of some kind

Nov 30, 2009 | Lexmark E232 Laser Printer

1 Answer

I have a Minolta CS Pro EP 1031 Printer that makes streak marks


Drum cleaning blade has gone bad. Especially true if the streaks seem to get progressively worse as you run multiple copies. In other words run 10 copies. If the last one out is worse than the first one out it is the drum cleaning blade. Cheap part...around $25

Oct 12, 2009 | Minolta EP1031/1031F CS/PRO Copier

1 Answer

Black streaks on paper on samsung ml 2150 laser printer


Could you describe these marks for us please.

Are they small specks or blotches? Bad Toner Cartridge

Are they lines:
Horizontal - Transfer Roller or Charge Roller
Vertical - Bad Toner OR Bad Fuser.

Note: A bad toner cartridge can render all of the parts listed here useless. Check for build up or lines on the cartridge reflective drum. Avoid light, as with film.

If they are a mix of both, the device needs to be cleaned with a can of compressed air. You must remove the cartridge, paper tray(s, and fuser to create clear path.


Apr 28, 2009 | Samsung ML-2510 Laser Printer

1 Answer

Color Laser Jet 3800 leaving roller marks on paper


Pull out the fuser at the rear of the machine.

Feb 07, 2009 | HP Color LaserJet 3500 Printer

2 Answers

What causes the toner to leave color streaks on the paper? It's leaving red streaks and I've replaced the magenta & black developers....but could it be the PCU causing the problem?


The developers almost never streak. I would be looking at your PCUs. Developers have a tendency to leave voids and dust the paper. PCUs tend to streak as the cleaning blade and charge roller wears out.

Jan 24, 2009 | Ricoh Aficio CL7200 Laser Printer

1 Answer

My printer- Brother HL1250- is making grey streaks on the paper


More than likely the grey streaks are from dirty fuser rollers open the fuser area and insect the fuser rollers i think they should be grey take silicone lubricant and wiat ntil rollers cool down and clean with a coton cloth do not scrape with anything sharp if this does not work then you ned to remove the glass platen and clean the optics( mirror and lens with tissue and glass cleaner wen machine is not hot also insect expsoure lamp( do not touh lamps because the oil from your hands will cause the lamp to get extremly hot and burn out good luck

One other thought is there could be marks from the stripper fingers at the fuser section look for build up of toner on them if so clean with q tip and alcohol

Dec 04, 2008 | Brother HL 1440 Laser Printer

1 Answer

Two dots on right side of page


if you replaced the cartridge and the streaks are still there then it's the fuser. you can try to clean the "fuser" roller with a little alcohol and your finger nail (after it's cooled down) to scratch off the toner, if it's an actual scratch on the roller you need to replace the fuser as it will pickup toner again and leave marks.

hope this helps
thanks for rating

Jan 09, 2008 | Lexmark Optra SC 1275 Laser Printer

1 Answer

Horizontal streaks on pages


Streaks at 2.82 inch intervals: Horizontal marks at this interval are the result of a mark on the fusing roller of the printer. In some cases, these marks can be cleared up by running a cleaning page through the unit. Laser Printer Cleaning sheets can be purchased at your local printer/office supply store. If the marks persist, this can indicate a more serious problem with the fusing roller that would require service attention.

Streaks at 3.74 inch intervals: Horizontal marks at this interval are the result of a mark on the image drum of the printer. There is no way to repair a damaged photosensitive image drum, so in the case that it is scratched or otherwise damaged, the entire CRU (toner/drum cartridge) would require replacement to clear up these marks.

Dec 03, 2007 | GCC Technologies Elite 12/1200N Laser...

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