Question about HP LaserJet 4si Printer

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I have tried 3 different toner cartridges on my laserjet 4Si; each one is making strange toner patterns along the edges of my paper

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Posted on Jan 02, 2017

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HP 1300 -- toner is smudged along the left edge after crinkly sound


Hi:

This is a common problem with some HP printers. The fuser sleeve inside the fuser assembly gets torn along the edge and print can no longer be fused in that area and the paper will crinkle there. The only solution would be to replace the fuser, which for that printer it would not be worth repairing.

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There is either something in the paper path (burned in probably) or the paper path is extremely dirty. The paper path can include the cartridge. I
ve seen this problem alot with rebuilt cartridges. I would turn off the printer (unplug) open all the doors, take out the cartridge and toner waste bottle(s). Now with a flashlite and a vacuum cleaner go after all the dirt you can find inside. If you do find caked toner on a roller, use rubbing alcohol to remove it. Once you're sure there is nothing in the paper path then reassemble and try the printing. If the same problem is there the cartridge is definately suspect. Good luck

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Print 3 pages. Use the manual feed tray. As they print, open the cover, remove the toner and look down at the paper in the printer. Do you see marks along the edge? If no...replace the fuser. If yes...it could be the transfer roller.

Jan 07, 2010 | HP P3005d Monochrome LaserJet Printer

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I have three horizontal lines across the printed document


Hello,

Here is the print defect information from the service manual.

1. Toner Cartridge.
The circumference of the photoconductive drum is 3.75 inches (94mm). The circumference of the developer roller is 2 inches (51mm). If a defect appears in the print image at these intervals, assume the defect is associated with the Toner Cartridge. Replace the Toner Cartridge.
2. Fuser Assembly.
The Fuser Roller’s circumference is approximately 2.5 inches (63mm) for the LJ4, and 3-1/8 (79mm) for the LJ4+/5. If a defect
appears at this interval, assume the defect is associated with the Fuser Assembly. Clean the Fuser Assembly rollers. Replace the assembly if necessary.
3. Dirty Roller.
Any dirty roller along the paper path may result in a pattern of
repetitive print image defects. Examine and clean rollers along the
paper path.

We have the full service manual download available for $6.95 if you need it. We also carry all repair parts for your printer.

I hope this helps, if so please rate my solution.

Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of PC and printer support/repair

Jun 29, 2009 | HP LaserJet 4 plus Printer

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Old LaserJet 4L working perfectly. Just bought new generic toner cartridge and now getting shading over entire page, turning paper an almost-even gray, darkest at left edge. I'm suspecting cheap cartridge...


You're right about the cartridge and I suppose cleaning it means all the toner that the generic cartridge dumped. Turn off the machine, take out the cartridge and use a vacuum cleaner and a soft brush to get that extra toner out. After that use a soft cloth (not terry) to wipe down the inside.

Apr 06, 2009 | HP LaserJet 4L Printer

1 Answer

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hi,,

try to replace a different toner of your printer..

Oct 29, 2008 | HP LaserJet 4si Printer

1 Answer

Black smudge marks along left side edge of paper.


Its probably a defective toner. If the film on the toner drum is scratched it can cause toner to stick to the drum everytime it spins causing the constant marks.

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Black strip over all printed papers


Check your Drum cartridge, if you see your strip replace it....If it's not the problem you may have a bad Fuser ....

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