Question about HP LaserJet M3035 MFP Printer
The left side of my page is printing about 40% lighter than the right side. I have tried ugrading the firmware and swapping the fuser and the toner. No change. Any suggestions? Thanks
It sounds like you have a bad charge transfer roller. This roller is located below the toner cartridge. Open the top and remove the toner. Look under where the toner come out from, you will see a black roller that goes from side to side. The roller should be black, if it appears gray or white that it is worn and is can not transfer the charge properly to the paper so the toner does not transfer either so you get faded print. Do not touch the roller with your bare fingers because the oils on your fingers will damage the roller. You can ge the transfer roller as a part or in a maintenance kit with the paper pickup rollers. It is best to install the maintenance kit if your printer is over a few years old and has not had it installed already. The maintenance roller kit is available here: http://www.ccl-la.com/catalog/product_info.php?products_id=172
Posted on Jul 14, 2013
Testimonial: "Thank you for the suggestion. I have replaced the transfer roller from another printer that I have. Once I swap the transfer rollers, the bad printer still prints light on the left side. No improvement. The other printer prints just fine even with the transfer roller installed from the bad machine. Any other suggestions? "
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Posted on Jan 02, 2017
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
SOURCE: MAGENTA TONER IS FADED
This problem is a fairly common one and it is a tough fix. The laser unit has 4 lasers inside that shine off mirrors. The magenta mirror is on the bottom facing up and so gathers the most dust. The black mirror also faces up but is higher up and seems to not collect as much dust but it can experience the same problem. If you go to this HP forum
you can read about the problem. Also you can search ebay for HP 2600 MAGENTA REPAIR and find a solution.
Posted on Jul 21, 2008
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.
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.
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.
Hope this helps you a lot more than the first response you receved. If so rate me with a FIXYA!
Posted on Oct 02, 2008
SOURCE: Page is printed but fade
The toner cartridge is faulty. It is possible that when you pulled out the strip that the whole thing didn't come out. Return the cartridge (with a couple of printed sheets to demonstrate printing) and the receipt and you should get a replacement.
Posted on Oct 28, 2008
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