Question about HP Color LaserJet CM1312nfi Laser Color Multifunction Printer - 12 ppm
Suddenly happened no software or other changes made that may have done this.
Posted by Anonymous on
I had this issue as well and parkerguy's transfer roller cleaning suggestion solved it! One point to mention though if you have the CM1312nfi MFP is that the transfer roller is attached to a cage on the back door of the printer. To remove the transfer roller, you do NOT need to remove the cage. Simply open the back door and locate the white plastic cap attached to the end of the transfer roller. You'll need to slightly pry up the white tab that extends down from that white cap in order to turn the cap clockwise to remove it. Once you've removed the white cap, follow the same process to remove the black cap from the other end. Once you have both the white and black caps off, simply slide the transfer roller toward the black cap end, ensuring to feed the pin through the hole so the pin at the white cap end comes out. Now the transfer roller is free and in-hand, ready for cleaning. Note that the transfer roller pins are shaped/sized differently to ensure the proper end is inserted into the proper hole, so you should note which end belongs on which side. To reinstall, simply reverse the process, sliding the appropriate transfer roller pin through the hole on the black cap end, then insert the other roller pin through the hole on the white cap end and reattach the caps, ensuring the tab on the cap is reseated properly. Close the back door and you should be in business!
Posted on Feb 17, 2013
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Posted on Jan 02, 2017
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
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
You must clean the mirror/optics in the laser scanner unit.
Because the magenta mirror is the lowest and facing up, there is most of the dust...
Laser scanner unit is a black plastic box, fixed with 3 screws.
You must remove rear cover , then almost all cables, right cower, circuitry on back together with metal plate to access it.
Almost 2 hours of work if you are a bit professional..
Hope it works
Posted on Jan 23, 2009
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
The problem is that the revolving drum doesn't contact the OPC drum proberly. You have to open the left side off the machine and replace the little white gear on the shaft that drive revolving drum. The gear has "jumped"one step and the revolving drum isn't parallell to the OPC drum. I fixed my 2840 last night it takes some time but now it works perfect.
Posted on May 27, 2009
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To adjust the default lighter/darker setting
1. On the LaserJet 3015, press MENU/ENTER.
2. Use the < or the > button to select Copy setup, and then press MENU/ENTER.
3. Use the < or the > button to select Def. Light/Dark, and then press MENU/ENTER.
4. Use the < or the > button to adjust the setting. Move the slider to the left to make all of the
copies lighter than the original, or move the slider to the right to make all of the copies
darker than the original.
5. Press MENU/ENTER to save the selection.
Page 48 of the User Guide has instructions for adjusting the light/dark setting during a copy job.
Also see the Troubleshooting section of the User Guide for other possible reasons for light/faded copies.
If your copies continue to come out too light, you may need to clean the insert a new toner cartridge or change brands of toner. I tried several "generic" toner cartridges and refills, but my prints and copies were always faded or streaky. After going back to genuine HP cartridges, I haven't had any print quality problems.
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