I have a PTV916 Model # 60P8341A. I cleaned the lenses and the mirror inside the TV however, I can see alot of dust inside the actual lens. Is it possible to clean the inside of the lenses?

If this is a projection TV (DLP or LCD), dust could be on the lens or the mirror assembly. Moving a set can dislodge dust and dirt that's accumulated inside and deposit it onto the lense or mirror. A worst-case scenario would be dust on the LCD chips. Unless you're experienced and/or comfortable opening up the set, I'd recommend contacting a local TV serviceman.

Which menu were you in? Set has Customer, hidden tech, and hidden convergence.

the dark picture may be the lens dirty--clean them if you have not and the red picture may be adjustment of the screen controls just slightly off.

Hi,
I received a similar HP Laserjet Color Printer with same issue for repair/ maintenance.
Actually the problem is with the printer design not the cartridge and it needs professional hands for servicing and cleaning. The mirrors which reflect laser beam get covered with dust and toner. Laser beams are partially reflected due to dust. Hence the image is not produced properly. Note that first magenta goes off, followed by yellow, then cyan and lastly black. this is because of the mirrors placement inside the printer.

Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer. For cleaning, the printer's outer covers are required to be removed to reach the inside laser unit, mirror and lenses, which requires professional expertise.

Clean them yourself with dry, soft, lint-free cloth (if you are familiar with such tasks) or get it cleaned by any printer repair/ service professional. Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors.

If you need any help in cleaning mirrors and lenses let me know
Hope it helps! Good Luck! Thanks for using Fixya!
CreativeTECH

Hi,
If faded prints happen even after replacing the toner cartridge or if your current cartridge has enough toner, it is most likely be due to dust at the laser reflecting mirrors inside the printer.
I have worked/ serviced similar Laserjet Printer with same issue.
Actually, faded prints are due the the dust/ toner dust accumulated on the optics (mirrors and lenses) inside the printer, which refect the laser beams to form prints. Hence the image is not produced properly. This needs professional hands for servicing and cleaning of the optics inside the printer.
Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer. So, it is advised that you get the printer serviced by any printer repair/ service professional. (Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors).

Hope it would help. If you need any clarification, let me know
Good Luck!
CreativeTECH

Hi Tracy,
If faded prints happen even after replacing the toner cartridge or if your current cartridge has enough toner, it is most likely be due to dust at the laser reflecting mirrors inside the printer.
I have worked/ serviced similar Laserjet Color Printer with same issue.
Actually, faded prints are due the the dust/ toner dust accumulated on the optics (mirrors and lenses) inside the printer, which refect the laser beams to form prints. Hence the image is not produced properly. This needs professional hands for servicing and cleaning of the optics inside the printer.
Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer. So, it is advised that you get the printer serviced by any printer repair/ service professional. (Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors).

Hope it would help. If you need any clarification, let me know
Good Luck!
CreativeTECH

I received a similar HP Laserjet Color Printer with same issue for repair/ maintenance a few months back.
Actually the problem is with the printer design not the magenta cartridge and it needs professional hands for servicing and cleaning. The mirrors which reflect laser beam get covered with dust and toner. hence the image is not produced properly. note that first magenta goes off, followed by yellow, then cyan and lastly black. this is because of the mirrors placement inside the printer.

Rest assure that the printer requires ONLY CLEANING OF THE MIRRORS, which are inside the printer.

Clean them yourself with dry n soft cloth (if you are familar with such tasks) or get it cleaned by any printer repair/ service professional. Please note that the mirrors, lenses and scanner assembly inside such printers is extremely complex and can get damaged very easily especially the mirrors.

Hope it would help, looking forward

Clean the small front projection mirror. That mirror can get dust on it and will cause the projected image to appear dull and dim and cleaning that mirror will usually restore the brightness and crisp details in the image.

as i previously posted, my picture was dim, muddy looking after replacing lamp with osram lamp. i fixed mine by taking the screen off and cleaning the small mirror. it had a thick layer of dust on it, cleaned with a microfiber cloth. no water, no glass cleaners. i also used a very fine new small paint brush and dusted the projector lens which also had a dust film. brightness, contrast and clarity returned!

You can safely clean the mirror and lenses, it can greatly increase your picture if its dirty. If you unplug your tv you can safely remove the back and gain access to the lenses. All it takes is a philips screwdriver. After you remove the back, you can remove the light barrier between the upper and lower half to free up some room. Take a dry scratch-free cloth and wipe the dust from the lenses. If they're grimy, use a little lens cleaner (liquids used sparingly here, electronics don't like liquids, be careful) You can look up into the top and see if the mirror is dirty. A flashlight shined on it will illuminate the dust/dirt if its there. If you don't smoke you likely won't need to clean the mirror, but it may need it. Use windex or similar for tough grime.. I can usually reach up to get the whole mirror but I've heard of using a swiffer mop to reach the top. Removing the screen is difficult but possible if needed to get inside. Don't touch the back of the screen but lightly with a rag to get cobwebs, etc.

it's fairly easy to remove the screws on the back bottom portion of any rear-projector television. when the bottom part is removed, you will see both the mirror and the 3 lens. isopropyl alcohol or windex should do an efficient job. a soft lens rag can be found at any camera store. i'd spray the lens rag instead of the actual lens or mirror when doing this job.