Blotches on images especially images with a light background eg.

You need to replace your color wheel. Part# BP96-00674A. This has been a common problem with the samsung dlp's. I hope this helps.

Take it to reapair and ask budget, then evvaluate

replace all three image units.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

ahve you cleaned the prineter heads?

get damp cloth wipe the relevant visiable bits

also check if the paper is not damp

This is a delamination of one of the LCD panels, requires factory authorized service.

Most likely some developer or ink spilled in the ribed plastic ares between the bypass and the processor. If you have a shop vac or something like that. remove the drum and toner and vacuum that area. You can also try just using the crevas tool and sliding it back and forth where the paper feeds into the bypass.
Or your cadr stock is flipping and knocking developer out of the housing. If that is the case, there is most likely not much you can do, other than try turning the paper over and seeing if there is excessive curl in the paper.

Lamp need to be replace and re-calibrate.

Are you using the software from HP? It sucks. Use the one provided my your operating system works great. Go your Control Panel, Printer and other Hardwares and click Scanners, make a shortcut to your task or start menu and Scan Away!!!!

Some types of paper can contaminate the image drum, suggest you clean it.

both ..sometimes it does happen..set ur display properties and the screen resolution..and initialize ur driver for graphics card if u have any...and intal few media codecs..

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