Question about HP LaserJet 4100dtn Printer

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HP 4100DTN Printer is putting jagged lines down the right had side of the page. I have changed the fuser and the transfer rollers but still getting the lines.

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  • ORD01 May 06, 2008

    Found out reason why.

    Need to change the toner cartridge because the drum has become damaged and leaves the lines.



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Run a half test. Start printing a few pages, as it prints open the cover, remove the toner and look down at the paper. Does it have lines on the right side? If yes - replace the toner cartridge.

Posted on Jan 24, 2010


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HP LaserJet 4Plus - just changed the fuser and rollers - was getting smudges and shadow on the printer paper. Now getting (on the left 1/4th of the page) light areas with little or no print. The shadow...

Take the toner cartridge out of the printer. Shake it side to side. Reinstall it and print something.
See if that fixes the output.
Could also be the transfer roller.

Jun 28, 2011 | HP LaserJet 4 plus Printer

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I have an HP 3500. I just replaced the fuser because of a fuser error. The printer only has 25000 pages on it and tells me transfer plate is 60% and it has all new toner in it. I keep getting lines...

Under Diagnostics run PQ Troubleshooting test.
Check to see if it's one color that is causing the marks.
Just because the cartridges are new, doesn't mean that they are good.
The same thing goes for the Transfer Unit (ITB)

Run the PQ test and try to isolate down to one cartridge.
If it's more than one cartridge, the ITB is probably the culprit.

Jun 13, 2011 | Office Equipment & Supplies

1 Answer

HP 4300 Black line on right side of paper, I have already changed the toner, cleaned the inside several times, still showing black line?

It is possible that your fuser is failing. Turn the printer off, turn it around and remove the back door by opening it and then pressing on the lower left side of the door to disengage the pin. Pull the door out and then remove the fuser by pressing the two blue tabs on either side. Look closely at the two rollers inside the fuser by looking at the side that faces into the printer. Chances are that the upper roller will be damaged. Depending on the page count of the pritner you might want to have the upper roller replaced, or if page count is over 180,000 you will be better off buying a maintenance kit which will also come with the required rollers for the printer.

Apr 20, 2011 | HP LaserJet 4300 Printer

1 Answer

I have an hp2430, it is pringinting shadows along the left edge of the papers and a line along the right side. I have printed a cleaning page 3 times and replaced the cartridge, running the cleaning page...

the line could be caused by a scratched DRUM unit or a contaminated trasfer roller... And the shadow is probably a broken MICA ROLLER in the FUSER,

To get rid of the line (if the drum is OK) you need a mantenance KIT for that model, (pickup roller, transfer roller, separating pads etc...), for the shadow you need a new FUSER


Mar 22, 2011 | HP LaserJet 2420 Printer

1 Answer

I have a HP LJ4250dtn it is leaving black streaks down left and right sides of pages...looks like shadow of what is actually on the this a drum or roller issue?

Most likely a drum cartridge. The fuser unit is good for 225,000 pages as is the transfer roller. The drum is good for 10,000 pages.

Dec 06, 2010 | HP LaserJet 4250dtn Printer

2 Answers

How do i stop my printer from leaving ink streaks down the right side of my pages?

I was going to suggest removing the fuser and looking at the rollers, but on this printer it's a major operation.
Instead let's run the half test. Put paper in the manual feed tray(tray 1). Print to the printer. When the sheet of paper gets pulled about 3/4 of the way in, open the top cover. Pull out the toner cartridge. Look down at the paper. Does it have a streak down the right side? If yes, replace the toner, if no, have the fuser replaced.

Oct 21, 2010 | HP LaserJet P2015dn Printer

2 Answers

I am experiencing lots of horizontal lines, changed the toner but still getting them?

clean inside of the printer and transfer roller , drum unit and shake the PU unit and check .........

Nov 17, 2009 | HP LaserJet P3005dn Printer

1 Answer

Light grey vertical line printing on left side of paper used the cleaning cycle and line in now doubled There is a black vertical line down left side of the page. I used the cleaning page but the line is...

Hi there,

I believe there are 3 possible causes for this issue; toner drum, fuser or transfer roller - more than likely I would dismantle the printer and check for lines on the fuser. But just in case remove the toner and carefully release the flap to reveal the toner drum - if that is scored and the lines correspond to those on the print-out thats the cause.

Rgds Colin

Dec 09, 2008 | HP LaserJet 2420 Printer

1 Answer

Hp 2420 vrtical line in page


This issue can be due to fuser. I am sure you have changed the toner cartridge.
To confirm its a fuser issue, please perform the following:
1. Try printing a configuration page from tray 1, pull the top cover, as soon as the media is 60-70% inside the printer.
This would stop the paper before reaching the fusing assy.
2. Remove the paper and check if the line exist.
If exists, fuser is not faulty.
If it does not, then transfer roller, laser/scanner assy is faulty

- If fuser is faulty, perform the cleaning page as following
1. go to configure device > print quality > create/process cleaning page
perform cleaning page 5-6 times, however, if the line is due to fuser, then fuser needs to be changed.

Let me know the next update.

- Nikhil

Nov 21, 2008 | HP LaserJet 2420 Printer

1 Answer

Vertical lines

Hi there you will have either a faulty transfer roller (Which would be the cheapest ) or the other thing is the fuser unit is worn and damaged. You can change this unit to check open the rear door and look at the two rollers the one on the top is the heat roller if worn or ripped replace but sometime there is no visible sign so best to try the transfer first then the fuser 99.9% sure.

Thanks J

Jan 25, 2008 | HP LaserJet 1000 Printer

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