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The Offical Epson 8350 Owners Thread - Page 263

post #7861 of 8636
Quote:
Originally Posted by JustAnEE View Post


The 3010 has a panel alignment feature (unlockable from maintenance menu, that I just found on this forum last week) where it will let you adjust the pixel alignment of the different panels.

Interesting. It would make sense to have a way to make an (electronic or digital) adjustment.

 

How do we access the Service Mode Menu on the 8350?

 

The alignment on my 8350 is fine. I understand the 3010 (and others in that series) are newer tech, but it wouldn't hurt to take a peak.

post #7862 of 8636
Quote:
Originally Posted by Tesla1856 View Post

How do we access the Service Mode Menu on the 8350?
I don't know if there is such a feature, sorry, maybe someone else would know for sure. The 5010 (and the 3020/5020, etc) have the panel alignment option available by default but someone posted in the forum here how to enable it also on the 3010, where it is not available by default.
post #7863 of 8636
Quote:
Originally Posted by tshepp View Post


so I am still shooting it at a Taupe painted wall

Light beige wall should be fine.

 

Try something 1080p. Either Blu-ray or 1080 MKV. VLC Player will work if you don't have anything better (like XBMC).

post #7864 of 8636
How does the BenQ w1070 compare to the 8350 in just 2D?
post #7865 of 8636
Mine seems to be doing the samething... Going to call them myself so was wondering what kinda question routine do they make you go through before they decide to send out a new bulb etc... was it a hassle etc... Thanks
post #7866 of 8636
Quote:
Originally Posted by PappaSmurf View Post

Mine seems to be doing the samething... Going to call them myself so was wondering what kinda question routine do they make you go through before they decide to send out a new bulb etc... was it a hassle etc... Thanks

I had to call twice to get my bulb replaced. First person said 90 day lamp warranty only.... Second was aware they match the warranty of the projector (2yr), and sent me one even though it was ~29months. If you get a rep that starts out saying only cover lamp for 90 days, just hang up and call back. This was before I even gave the projector serial number/name/anything. It was very easy to get the bulb replaced with the second person I talked to, although it took a few attempts of "can you make an exception" because it was past 24months.

However, I now have a red band on top and blue on bottom, which they can't repair/replace since it's past 24months.... I'm working on DIY fix attempts when I have time or considering maybe a new PJ.
post #7867 of 8636
I compared BenQ W1070 to the 8345 (essentially same as 8350).
BenQ has less motion blur but noticebly less bright compared to 8345.
The 8345 was very easy to situate with the lens shift.
Ultimately decided on Optoma HD33: very bright and very little motion blur.
post #7868 of 8636
As others have reported - the bulb on my 8350 recently failed prematurely (960 hrs) and Epson agreed to replace it. The Epson rep went over several conditions that could have contributed to early bulb failure, and recommended changes to my setup and operating procedures. Some of these changes would be undesirable, inconvenient or seem to contradict general projector advice I’ve read in searching these and other forums. So I would like to get your opinions, especially as they apply to this particular projector.

(1) Clearance & temperature: my projector is hanging from a ceiling mount with at least 5 feet clearance on all sides except the rear, which is ~4 inches from the wall. The rep said I need at least 2 feet in the rear. From what I’ve read, 2 feet seems excessive for an air intake, especially since there are no obstructions to the top/bottom or sides. I also never saw the temperature warning light go on before the bulb failed. I can potentially move the projector a few inches more away from the wall and still fill my screen. But I would have to radically change my setup to get 2 feet clearance. How much clearance is really necessary?

A related question is, if cooling is a concern, would it help to point a room fan at the projector? The reason I ask is I suspect room temperature rather than air flow through the projector could be a concern. I live in Houston where it gets very hot and humid in the Summer. I usually set the A/C at 78 F under those conditions, which reduces humidity without putting excessive strain on the AC. But I’ve noticed that my laptop can sometime overheat under those conditions (with internal fans at maximum speed and unobstructed) unless I place it under a ceiling fan. Is 78 F too hot?

(2) Cycling projector on/off - I normally turn on my projector continuously for 2-5 hrs (to watch one or two movies). The Epson rep said I shouldn’t run it continuously, but rather should turn it off between movies and wait at least 30-60 min before turning it back on. He seemed to be suggesting that it would put more stress on the bulb to be running hot for more than ~2 hrs at a time, and that the projector wasn’t designed to be run continuously. But my understanding is that each time you start the lamp you are shorting the bulb life by 30 min – 2 hr (depending on which post I read), and it is therefore best to avoid cycling the projector on and off unless you know you won’t be using it for an hour or two. Who’s right?
post #7869 of 8636
Thanks fhorrigan for that post. Requiring 2 feet behind the projector really screws up the idea of a rear wall shelf mount, which was one of the reasons the 8350 is on my short list. Unless of course I build a 3' plus rear shelf
post #7870 of 8636
David, I should mention the user manual for the 8350 is rather vague on this point stating only:

"Make sure there is plenty of space for ventilation around and under the projector. Do not
set the projector on top of loose materials that could block the vents underneath."


I wasn't able to find any clearer statement on the Epson website. Therefore I am wondering if the rep was just giving me a "definitely safe" recommendation rather than something that is actually required.
post #7871 of 8636
2 hours and then off for 1 hour.. I don't think so. If that is their advice they best be prepared for a lot of people switching companies next time around.
post #7872 of 8636
Yeah, that's ridiculous. I run mine for 10+ hours at a time every once in awhile with no problems yet. I bought a back up lamp that I'm using now in case I have an issue.
post #7873 of 8636
The biggest joke: what constitutes "running it hot"?

Surely the lamp is up to its normal operating temp within 5-10 minutes?

What a joke.

James
post #7874 of 8636
"Projector not designed to run continuously"? Tell that to all the sports bars running their projectors 16/7.
post #7875 of 8636
Thanks for the comments. I know projectors are capable of running continuously. My question is whether running continuously (vs intermittently) reduces bulb life. I suspect maximizing bulb life is not the main concern at a sports bar. But I agree with the comment that the bulb has probably reached a steady operating temperature by 5-10 minutes, so it's unclear why running continuously should be a problem. That said, I've seen several posts on various websites claiming that procedures like 2 hr ON 1 hr OFF or giving the projector "a rest" prolongs bulb life. So I wanted to make sure I wasn't missing something. The only thing that I can think of is that running continuously might allow other components in the projector to slowly overheat and indirectly reduce bulb life(?). But maybe it's just an urban myth or Epson wants an excuse in case the bulb fails again.

Any comments on my clearance & cooling questions?
post #7876 of 8636
The thing I don't understand about the 8350 is when you turn it off the fan only runs for a few seconds. Is this normal for a HT projector? With business projectors they run for quite some time after you turn them off to prolong bulb life!
post #7877 of 8636
I wonder if this is why Epson recommended a 2 hr ON cycle:
"Lamp life is measured to industry standards, specifying a 2 hours on and 15 minutes off cycle."
(from http://www.birdvilleschools.net/tims/techsvcs/resources/pdf/Projector.Care.pdf)

I guess it would be safe to recommend that if I follow the standard bulb testing procedure then I should get the rated lifetime. Of course I wasn't expecting to use this as an expensive bulb testing machine. And it still doesn't answer the question whether there is any disadvantage to running continuously for longer periods.

I notice the same reference also says regarding clearance "Keep the exhaust vent at least 2 feet from any object". But that is not a problem in my setup since the 8350 exhaust is in the front of the projector. There is no similar clearance recommendation for the intake, just "Do not obstruct the air intake or exhaust vent. Nothing should obstruct the air flow to the vents." I have yet to find a reference that says how close the intake can be from a wall before it obstructs air flow.
post #7878 of 8636
Got a new 8350.

Just watched 2 movies on it. Looks great. Big improvement over my last DLP system.

So I just noticed that the LAMP HOURS says 0.

I went into the Service Menu and it says 4.

Whats the deal? Anyone seen this issue before?
post #7879 of 8636
I don't know how the service menu works. But having just replaced my bulb today I know that the manual says after reseting the timer that:
"the lamp usage timer shows 0H until you've used the lamp for at least 10 hours"
post #7880 of 8636
My image is a bit unclear (friends have commented).

Could the throw distance of 18 feet for a 92 inch screen be too much??

It's firmly connected to the ceiling (had pros do it).
post #7881 of 8636
Quote:
Originally Posted by fhorrigan View Post

I don't know how the service menu works. But having just replaced my bulb today I know that the manual says after reseting the timer that:
"the lamp usage timer shows 0H until you've used the lamp for at least 10 hours"

Thanks.... I guess they did that so you can fire it up and return it? So a test fired projector in the factory looks "new" when purchased? I'll check in once I have exceeded 10hr is if it is still showing zip. Picture is great. i wish I had more detail in the blacks, but the picture is outstanding on all other measurements.
post #7882 of 8636
Thread Starter 
Quote:
Originally Posted by umairsemail View Post

My image is a bit unclear (friends have commented).

Could the throw distance of 18 feet for a 92 inch screen be too much??

It's firmly connected to the ceiling (had pros do it).

Yes...about as far as possible. Obviously you had a reason...but too bad somebody didn't ,"reason" you out of that.

Too often peoplw (even Installers) place PJs in inappropriate locations for convience, which is lazy. If done out of necessity...then it siply amounts to being unfortunate.

As for the lack of claity, I think your issue lies in the Screen surface. Distance and the resulting loss in lumen (foot lambert) can affect the rendering of detail. The 8350 has a good set of optics, so the issue has to lie with the signal source or screen surface.
post #7883 of 8636
Quote:
Originally Posted by umairsemail View Post

My image is a bit unclear (friends have commented).

Could the throw distance of 18 feet for a 92 inch screen be too much??

It's firmly connected to the ceiling (had pros do it).

Bad convergence or misfocus can cause softness. I doubt it is the distance but it would be easy to tell. Hold up something closer to the projector and focus on it. Is it sharper?
Salem
post #7884 of 8636
Quote:
Originally Posted by eyekode View Post

Bad convergence or misfocus can cause softness. I doubt it is the distance but it would be easy to tell. Hold up something closer to the projector and focus on it. Is it sharper?
Salem

Lol I don't have a giant wall that I can hold up in front of it.
post #7885 of 8636
Quote:
Originally Posted by umairsemail View Post

Lol I don't have a giant wall that I can hold up in front of it.

A piece of paper and a willing helper should be enough to judge sharpness.
post #7886 of 8636
I definitely don't have convergence tho
post #7887 of 8636
Quote:
Originally Posted by umairsemail View Post

My image is a bit unclear (friends have commented).

Could the throw distance of 18 feet for a 92 inch screen be too much??

 

I am at 18 ft. from wall/screen = (96" or 8ft diag. image) . My picture is good.

 

Are you using HDMI? What source material? Try at night. Try at normal/full power. What screen? Focus knob is very sensitive and exact. Is front of lense parallel to screen surface?

post #7888 of 8636
Hdmi
Standard 92 inch elite screens fixed
It is better at night
Parallel
post #7889 of 8636
Quote:
Originally Posted by umairsemail View Post

Hdmi
Standard 92 inch elite screens fixed
It is better at night
Parallel

Ok and the rest?

 

ECO mode works fine at night, but I run Normal/Full instead ... on Cinema.

 

Source material? Try real 1080p (newer release) BD in real Blu-Ray player.

post #7890 of 8636
Is there a post or two with the most recommended settings? Just moved and set it up in a basement room and now need to configure for it...
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