Thank you "All Office"!! You say: "This is a very difficult repair (not for the weak hearted), and you would need to be tech savy or have a repair center do it." ...but is there somewhere to read or learn what this difficult repair involves? .I am tech savvy and willing to give it try if I could find out more details of cartridge carousel alignment??
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Re: Prints on Right Half of the page... HP 2820
Here's a copy of the complete HP service manual for your machine. Your problem is the indexing or alignment of the carousel gears. There are timing marks on both sides of the carousel that must mach up with the drive gearing. Kinda like timing chain marks on your car. When the gearing has jumped it increases the gap between the drum and cartridges and prevents the toner from the cartidge from being properly attacting to the drum.
Here's a copy of the complete service manual on your machine. If this helped you, please leave me a FIXYA. I'm just a 13 year veteran tech trying to help people out when I have the time.
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to get to the root cause of the problem . you can try printing from the notepad and check it prints fine from the notepad . if it prints fyn then there can be some issues with the software compatibility.. which version you have for microsoft office.
There are 3 parts to the imaging process that could cause your issue. You have the toner (x4), the imaging drum unit (Q3964A) and the fuser unit. If you are getting streaks from all colors, one or more these parts are the issue.
Let's start with the easy stuff:
Open the cover as if you were replacing toner where you can "visually" inspect the toner and imaging drum. Pull the drum out and pull back the "plastic shutter" on the top, this will expose a green drum CAUTION! Too much exposure to light and touching it can cause damage. Just take a quick look trying to see if any of the lines on your page match any marks on the drum. Check the bottom half of the unit as well there should be a white section across the bottom, expect that as well.
Next look at the toner, if you can look at any other color but black it will help you look for the streak marks a lot easeier. If you couldn't see any streaks on the drum on toner cartridges, it's time to look at the fuser unit. Power the machine down and turn it around, unplug it then fold down the blue clips and CAUTION! the fuser heats the toner to the page so if it's been used recently it may be hot. once the clips are down, just pull straight back and look for the streak marks.
Yes, you will need to replace the drum unit as well. be sure to shop around so you can get the best price because some people mark up the price for that part. You can check the status of your supplies from the printer itself by pushing the "menu" button the printer and scrolling through until you see something about supplies status then press the check mark button.