Question about HP LaserJet 4p Printer

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Paper Qualty I replace the toner on the printer, and now when i print the whole paper comes out black

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Did you forget to take the small piece of tape off of the cartridge? Also, make sure the cover is latched all the way (sometimes you have to give it a good "slam".

Posted on Jan 11, 2008

  • brian c
    brian c Jan 11, 2008

    Something else I forgot to ask.. are you using an OEM HP cartridge'?



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Black line coming while printing on hp m5025mfp

the problem is in fuser or in toner cartidge.
print a page when the printer start to pull the paper more than a half page stop the printing by open the door
remove the toner and look the paper
if you see the line the problem is from toner replace toner cartidge if you see the image ok means the problem begins when the paper go into the fuser so replace fuser.

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My HP 6500 Printer jammed and now everything it prints has a line running down the side. Each segment is about 1/2 inch long and runs down the whole page.

This type of line is cause by a scratch or smudge on the toner cartridge's image drum. You will need to replace the toner cartridge.

Nov 01, 2017 | HP Officejet 6500 Wireless All-in-One...

1 Answer

Am trying to print but it comes out black blank paper

If the whole page is black then the drum unit has failed and needs to be replaced.
If the page is coming out blank remove the toner, shake it and replace. the toner may simply have hit a air pocket.
Regards GM

Jul 01, 2011 | HP LaserJet CM1312 All-In-One Printer

1 Answer

My HP 4ML has been printing fine until recently. Every print job, big or small, the first couple of pages print the pages mostly black, then start to fade the more pages I print in the same print job. ...

You didn't say that you swapped out the toner.
Let's come back to that point later.

Put paper in the manual feed tray.
Print something.
As soon as the paper feeds halfway into the printer, open the top cover.
Pull out the toner, look down at the paper. Is it mostly black?
If the answer is yes....replace the toner.
Vacuum out the inside of the printer and print again.
I think you have a bad toner cartridge

Feb 01, 2011 | HP LaserJet 4ML Printer

1 Answer

Hello, our printer prints with lots of black smears on the paper. I am using white paper and it comes out looking like I colored the whole page with black crayons. How can I fix this?

Try changing the toner first, if you have one accesible. If the toner is coming off the paper on your hand you need to replace the fuser.

Jan 17, 2011 | Dell 1320c Laser Printer

1 Answer

Black smudges on paper on printing

Almost all print defects on any laser printer come from either the toner cartridge, or the area of the printer called the `fuser'. This is the area that heats and presses the toner into the paper, and is near the paper exit.
I would suspect the toner cartridge if it is a refill.
If you replace the toner and the problem remains, you will need to have the fuser replaced. This will cost more than a new printer.

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1 Answer

OKI Laser Printer C5300 printing on paper with black flecks

IF you are using after market black toner then we found your problem. Putting a real toner on now wont help cause dodgy toner is now in the drum, you need to replace Black drum and use real toner. If you are using gen OKI toner, then just replace the Black (K) drum.

Clean led head and these printers dont need a teco, they are designed for wearing parts to replaced by operator ie Transfer belt, fuser, drums and toners.

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5 Answers

Docucolor 12 error code HELP

Black toner problem.Probably You have low toner sensor defect.
But try first to vacuum and clean black toner dispenser.You must vacuum whole path wich is used to transport black toner to developer unit.Then if printing B/W print only, you must print 10 full color sheets every 100 copies.

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