Question about HP CP3525N Color LaserJet Printer

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When printing just black on a cp3525, the left side of page fades all the way down. When using color the black does not fade.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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Inky
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SOURCE: HP Color Laserjet 3500 printer - no black on left side of page

I would suggest you try replacing the dev unit itself. This should rectify the loss of density on the one side. If you need a service manual for assistance with changing the dev unit, try http://www.TheServiceManualShop.com they will likely have one. I presume you have also checked the laser lens to see there is no toner spilled onto it? This usually only accounts for thin areas of blank print.

Posted on Sep 29, 2007

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SOURCE: Print fading down right hand side

I was able to fix it by taking off the top of the printer. This involved taking off 4 screws on the top of the printer. I then had to disconnect the wires going to the control panel by unhooking them from the right side. I then located a thin rectangular box which I'm assuming houses the laser. I removed this with 4 more screws and turned it over. There was a little metal flap that I moved back and below was the mirror the lasers shoot on before going onto the toner.

In the same spot where I was having fading, I noticed a lot of toner on the mirror, so I cleaned it of, put it back together, and the fading was gone.

This was after I tried a new toner and maintenance kit.

Hope this helps

Posted on May 01, 2008

  • 138 Answers

SOURCE: Hp 2300dtn Poor quality printing

Well lets start with DISREGARD ALL THE ABOVE BULL in the above brainless clarification request first noted. Here's a little good advice for you from a 14 year veteran printer tech.

Lets start with the cheapest and easiest moving to the more difficult or more expensive. Your problem can be caused by a few differnt things.

Print a configuration page (on the printer menu press check button, scroll to info menu, press check, scroll to print configuration, press check. Once you have the look for the page count on the page.

Try fresh good paper from a sealed ****. If your paper has picked up moisture this will show up as light or uneven print.

Next if the printer is over 100K page count, replace the transfer roller (foam roller inside printer under the toner cartridge). Lets try cleaning it first if your under 100K or to see if it improves at all. Any improvement will verify the transfer roller as bad. Review the photo below as it shows the transfer roller end inside the printer. The screwdriver is showing where the release white clips are (two). Press the tabs and lift the left side. The right will come out of the hole socket on its own but note where the hole on the right is for replacement. Try not handling the roller with your bare hands any more than you must as oil from your hands can cause slight imaging defects if your hands are sweaty or damp.

b1cf285.jpg
Using a clean rag (like t-shirt material) dampened (not soaking) with 99% alcohol (not 70%) lets clean the roller. Gently but firmly scrub the talc and paper dust buil-up from the roller. Once you've removed the build up it should return to a dark grey color. Let the 99% alcohol dry (5 minutes or so)and reinstall.

Try printing again. If the problem is solved your done. If not and it has improved, you will need a new transfer roller. They are available on Ebay much cheaper than from a dealer. The part number to search for is RM1-0343. Here's a link to ebay for one at around $20.00 landed.
http://cgi.ebay.com/LJ-2300-Transfer-Roller-New-OEM-RM1-0343-Unopened_W0QQitemZ270247145853QQcmdZViewItem?_trksid=p3286.m20.l1116

If the problem is the same, your problem is more than likely a dirty laser scanner lense. You'll need to remove the covers from the printer to accomplish this. The laser scanner can be located under the top cover. It's the larger black box on the top side of the printer. Once the scanner has been located, remove the top cover. DO NOT TOUCH THE MULTI SIDED SPINNING MIRROR TO THE REAR OF THE SCANNER. You will be cleaning the clear lenses and mirror towards the front. You clean this gently with a CLEAN and DRY Q-tip. Use a few Q-tips rather than re-applying a dirty one. Heck they are cheap!

Re-assemble the printer and try printing again. One of the steps above should resolve your issue. I am enclosing a link to a free service manual for your printer to help you through the disassembly and in the rare case that your issue remains.

http://www.feedroller.com/Store/Service%20Manual/LASERJET%202300%20Service%20Manual.pdf

Hope this helps you a lot more than the first response you receved. If so rate me with a FIXYA!

Thanks.




Posted on Oct 02, 2008

  • 1 Answer

SOURCE: not printing on left side of page

ADD PRINTER TO LAPTOP

Posted on Feb 25, 2009

  • 1 Answer

SOURCE: Faded red / pink on HP Color Laserjet 2605

you have to clean the image mirrors you can find a how to guide on hp's web site titled "fading red tones on color laserjet2600' process takes about 30mins to do.

Posted on May 11, 2009

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1 Answer

Faded print on right side of page. When I copy/print in black, why is the black print faded on the right side of the paper?


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Hello
The color of HP LJ 2600n fades due to following reasons
1. the color cartridge near to empty 2. due to dust on reflection mirrors inside the printer
if the color cartridges are OK, then you need help of HP technician support, because cleaning of mirrors is very technical in nature for 2600n.
Dusty Environments can lead to Laser Scanner Contamination. The dust layer on the mirrors prevents proper transmission of the laser output in the imaging system leading to faded colors on the printed page. The initial stages of this failure typically occur in the magenta or yellow color planes as faded or light color. Often the left side is more faded than the middle.
You may need to contact the nearest Authorized Service Tech and get teh Laser Scanner replaced with the new released service part that has a mirror in a location where the dust ideally cannot reach easily.
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