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SportsShooter.com: Member Message Board

Canon Mark IV Error 20 Anyone?
Bryce Vickmark, Photographer
Boston | MA | USA | Posted: 10:20 PM on 09.30.10
->> My Mark IV has been working flawlessly since I purchased it a few months ago. Then yesterday it started giving me trouble. When I shoot a still exposure, it turns into video mode and will not let me take another photo. When I try to do so it gives me the "you must remove the battery statement" with an error 20. I am going to call CPS tomorrow but I wanted to know if anyone else is experiencing this?

Thanks,
Bryce

http://www.vickmark.com
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G.J. McCarthy, Photographer
Dallas | TX | US | Posted: 8:28 AM on 10.01.10
->> Send it in. I've had this before and it sucks. Actually, it happened again right away after getting the camera back from Canon with a supposed fix. If I remember right, they said some sort of connection had worked loose. Then they said they'd fixed it. Ya right.

http://www.failhorn.com/

I'll let you know what they say this time, provided the fix actually works. If not, I'm asking for a new body since it's still under warranty. Or my name ain't Nathan Arizona.

Good luck,

- gerry -
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David Rossiter, Photographer
Lethbridge | AB | Canada | Posted: 11:08 AM on 10.01.10
->> I had this happen to me a few days ago on one of my Mark IV's. I removed the battery, but that didn't work, but when I removed the memory cards it did. I was worried that I had lost frames but fortunately they were all there. Hasn't happen since ....
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Mike Janes, Photographer
Attica | NY | USA | Posted: 7:09 PM on 10.01.10
->> Just started getting this a couple days ago, it's happened 4-5 times and haven't lost any images, just annoying - shutting it off worked, taking out the battery. CPS will be getting it when I get off the road and better fix any problems this time, the 400 (1x), 300 (3x), and III (4x) has been in and come back with new parts and all with a note saying what the problem "was", but then the problem is still there. Why is it I hear this all the time with CPS? A lot of people having to send it in multiple times before something is fixed.
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Brian Davies, Photographer
Eugene | OR | USA | Posted: 12:57 AM on 10.02.10
->> I've gotten quite a few Error 20's over the last several days and will be sending my Mark IV to CPS on Monday.

It doesn't seem to be related to a particular card, battery or lens.
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Brian Davies, Photographer
Eugene | OR | USA | Posted: 7:24 PM on 10.26.10
->> Just to bring a few of you up to date: My Mark IV went back to CPS today for the third time this month with the Error 20 problem.

It came back from the initial trip to CPS a week ago and I got an Error 20 within the first 100 frames. I shipped it back to CPS and it returned today.

I went to my first assignment and, within a dozen frames, it began with the Error 20's -- each time locking the camera until the battery was reinstalled.

So back to CPS it goes for the third time in two weeks.

And the problem is actually getting more frequent, not less.

Very disappointing {to say the least} in a camera that's five months old.
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Scott Schupbach, Photographer
Fenton | MI | U.S.A. | Posted: 9:57 PM on 10.26.10
->> Three times for the same problem? I would be asking for a replacement.
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Jeff Brehm, Photographer, Photo Editor
Salisbury | NC | USA | Posted: 9:49 PM on 11.05.10
->> My new Mark IV refurb from Adorama apparently wasn't refurbed enough. Four assignments after I got it, Err 20 reared its ugly head. I was able to defeat it the first time, but of course, it waited until I was three states from home before returning and rendering the camera completely useless.

Kudos to Jeff Snyder and Jack Gold at Adorama for being immediately willing to exchange it for another one. I wish they also had been able to expedite the exchange so I'd have a working unit in time for a shoot next Tuesday, but I understand needing to have more cash or the old unit in hand before sending another.

I wish Canon would either figure out that poor quality control will only cost them market share, no matter how many new features they add to new models, or just get the hell out of the business. I can't begin to describe how tired I am of the Nikon guys looking at me with pity as I curse the latest breakdown in my Canon gear. If I could afford to make the switch to Nikon, I'd probably be giving Canon users that look, too.
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G.J. McCarthy, Photographer
Dallas | TX | US | Posted: 7:28 PM on 11.06.10
->> Hey Brian:

I don't know what kind of relationship your rag has with Canon -- and I hope I'm not speaking out of turn for mine -- but my paper, being a mostly Canon outfit, does a decent amount of business with CPS.

So, that's the long-winded way of agreeing with Scott. Enough is enough, especially for something that's clearly under warranty.

Last time I sent my MkIV in for the Error 20 code -- which was RIGHT after I got it back from a previous "repair" of the same code -- I put something along the lines of this in with the repair:

"Fix it for real this time or replace the body. Thanks."

So far, thankfully, the repair has held.

And yes, I posted this on a public forum in the hopes that someone from Canon would read.

Please try to keep us and the other Canon papers happy ... please. It's not like our patience hasn't been tried before.

[two words]

Mark Three.

Good luck, amigo,

- gerry -
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Bryce Vickmark, Photographer
Boston | MA | USA | Posted: 10:54 PM on 11.06.10
->> To follow-up. I did end up sending my Mark IV into CPS. They said that they could not locate the actual cause of the error but that they replaced some parts anyway. This did not exactly fill me with confidence but so far I have not had any more errors with my camera. Let's hope it stays that way.

Bryce

http://www.vickmark.com
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Jeff Brehm, Photographer, Photo Editor
Salisbury | NC | USA | Posted: 1:09 AM on 11.07.10
->> They couldn't find the problem and just replaced some parts anyway?

Wow. That should really bolster your confidence in the product.

NASA astronaut: "Did you find the problem?"

Chief engineer: "Naw, but we did replace some random parts. That should be enough."

Astronaut: "Good, because you're coming with us."

Engineer: "Maybe we should replace a few more....."
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Mike Janes, Photographer
Attica | NY | USA | Posted: 3:58 AM on 11.07.10
->> Bryce - I got the same exact response, said they replaced the screen and some parts. Only shot today with it since getting it back, looked OK result wise, but confidence is not going through the roof here. With 7 games in 3 days will really give it a go off the bat, then a lot of assignments till the end of the month so will see just how well the blind fixing did.
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Dennis Wierzbicki, Photographer
Plainfield | IL | USA | Posted: 2:03 PM on 11.11.10
->> @Bryce: "They said that they could not locate the actual cause of the error but that they replaced some parts anyway."

Back in my days of being a test engineer, we would call this "Easter egg hunting"...just picking something up and replacing it, hoping this would randomly solve whatever the problem was. Not exactly a confidence-inspiring way to reliably fix anything.
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Mark Peters, Photographer
Highland | IL | USA | Posted: 2:02 PM on 11.12.10
->> Dennis' Easter egg hunt comment raised an interesting possibility for me....

Perhaps they are batching the returns and trying fix a for group a and fix b from group b etc. Then watching for the rate of subsequent returns from each group. This would explain a seemingly high rate of return repairs and the statement that they haven't determined the cause. Seems they haven't finished their root cause analysis.
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Paul Zoeller, Photographer
Summerville | SC | USA | Posted: 3:48 PM on 11.12.10
->> Everyone I work with who owns a MK IV has sent their camera in with the same error message. They all told me it was the shutter and after Canon replaced it there were no problems. Sure enough, it happened to me as the worst possible moment!

I am not saying this is a permanent fix or that it will work on all cameras but it saved my butt. After taking of and putting the lens back on, I noticed a bit of play between the lens and the body. If I twisted the lens all the way on and kept pressure on it, the camera would fire. If I locked the lens in place and let go, it was like the camera contacts became misaligned with the lens. I locked the lens into place applying pressure as I shot and survived the game without too much trouble.

Long story short, I had to apply a sort of band aid to my $5,000 paper weight so it would be a camera again. I don't know what that fix has to do with the shutter but that's my story.
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Brian Davies, Photographer
Eugene | OR | USA | Posted: 8:50 PM on 11.12.10
->> Update: Canon replaced the shutter box on my Mark IV this time around and that seems to have taken care of the problem.
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Mat Gdowski, Photographer
Las Vegas | NV | USA | Posted: 12:48 AM on 11.14.10
->> Wow...this is really scaring me. I was thinking of moving up to a MK III or a MK IV, but I keep reading about all of these focus problems and now this Error 20 code and all this stuff. I'm seriously thinking about just keeping my MK II-N and dealing with it being old. LOL

I mean, really, you would expect a major competitor like Canon would have better QC and/or be able to fix the issues and/or test these new cameras prior to production. I mean, I'm sure they do, but apparently they don't test production cameras or they would have seen this issue come up earlier, not after a ton of people bought the bodies & have to return them.

Admittedly, I've never had any issues with any of the bodies/lenses I've own from Canon (10D, 40D, 1D, 1D MKIIN), but it seems like all of the new stuff (at least the 1D series) has had nothing but issues and problems. Like everyone said...not exactly a confidence booster.

And worse yet, I'm the type of person that can't afford a second body yet, so that means if it goes out on me on assignment, I'm totally screwed! :-(
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David Rossiter, Photographer
Lethbridge | AB | Canada | Posted: 2:15 PM on 01.13.11
->> Update on the ERROR 20 issue for one of my Mark IV cameras ... it happened again about a week ago so I called CPS they had a loaner in my hands the next morning, (Alberta to Ontario), they had the camera in the shop for a 2 days and got it back to me quickly --- they replaced a faulty mirror box according to the work order. Canon paid for the repair, cleaning, & courier air shipping coming and going.
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Ric Tapia, Photographer, Photo Editor
Los Angeles | CA | USA | Posted: 2:42 AM on 02.20.11
->> One of my 1D mk IV experienced an Error 20 this week. Very disappointing. I dropped it off the Canon Repair Center in Irvine, CA. They were very helpful and its covered under warranty. I am not happy it happened but at least its getting fixed.
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Sam Morris, Photographer
Henderson (Las Vegas) | NV | USA | Posted: 2:45 PM on 04.21.11
->> For any of you whom Canon replaced the shutter box, what did the repair invoice say? Did it say they replaced it, or, like the invoice I just got back with my MK IV, did it say, "Clean and repair to good working order?"

Also, for those that had the problem, did you ever have an experience with a fully charged battery being completely dead all of a sudden? I suspect that something was turning Live View on, locking the mirror up and leaving it on which drained the battery, but I don't know for sure.
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Daniel Goncalves, Photographer
Jacksonville | FL | USA | Posted: 12:39 PM on 06.15.12
->> I'm having the dreaded error 20 On my mk IV. Pretty frustrating works with more than one lens. It seems to start haPpening while shooting outside in the heat of the sun as it doesn't produce the same issue at home by I haven't tested it much indoors. Guess she has to go in. Pretty frustrating as its past the warranty period. Wonder if they'll fix it on the first try. I hope. Have they narrowed it down to the mirror box?
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Jesse Beals, Photographer
Tracyton | WA | USA | Posted: 5:25 PM on 06.17.12
->> I have a Mark 4 with issues. Went into custom functions and was setting up the camers and the CF 10 function was switched to (1) Disable - Multi Controll from (0) Normal (Enable). Since this was switched over the top dial and back dial will not change any settings on the camera. It's as if I am frozen in all settings on the camera.

Tried pulling the battery out, tried pulling memory cards out, taking the lens off. Nothing will allow me to go back and get the top dial or back dial to turn and change any settings.

Any ideas? I know the older cameras you could hold down 2-3 buttons and do a camera re-set s there an option for the Mark 4?
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Daniel Goncalves, Photographer
Jacksonville | FL | USA | Posted: 2:38 PM on 07.03.12
->> Update, Canon replaced the mirror box. It was a guess-fix. I hope they guessed right because it was approx a $680 repair, about $450 after cps discount. Ouch.

Just hope my MK IV works and goes back to being dependable. I'll have to shoot it outdoors with the 400/2.8 to see if it the problem returns as those were the conditions in which the dreaded error 20 started it's appearance.

Fingers crossed.
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Al Goldis, Photographer
East Lansing | MI | USA | Posted: 4:55 PM on 07.03.12
->> The good news is now since it was "fixed" it will have a repair warranty. If CPS guessed wrong then their subsequent guesses will be at no charge.
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Daniel Goncalves, Photographer
Jacksonville | FL | USA | Posted: 3:47 AM on 07.08.12
->> So far so good shooting in studio. Haven't field tested it in he heat with the 400 yet but looks like it will hopefully hold up.
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Andrew Katsampes, Photographer
Melrose | MA | USA | Posted: 9:20 PM on 07.22.13
->> I have a 1D Mark IV, which I routinely use with a 400mm f2.8. After each game, I disconnect lens from body for transport. I updated the firmware from 1.1.2 to 1.1.3. I started getting the Error 20. Shut down and remove battery would resolve. I cleaned the contacts (pencil eraser), still happened. I cleaned the contacts, better (q-tip with a mist of isopropyl alcohol), and it seems to be resolved.
In summary, before you send it off to CPS clean the contacts for both the lens and the body.
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Steve Conner, Photographer
Eagle | iD | USA | Posted: 3:33 AM on 07.23.13
->> I had that, mirror box and shutter replaced. Issue gone.
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Bob Levey, Photographer
Richmond/Houston | TX | USA | Posted: 8:33 AM on 07.23.13
->> I just had the same error.... Canon replaced the mirror box and shutter... I had 304K on that baby.. So I guess the 300k limit is about right!! :)


Bob
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John Korduner, Photographer
Baton Rouge | LA | United States | Posted: 6:13 PM on 07.23.13
->> "Update, Canon replaced the mirror box. It was a guess-fix. I hope they guessed right because it was approx a $680 repair, about $450 after cps discount. Ouch."

They must have replaced more than the mirror box. I got mine back today and the mirror box replacement was $279 minus the 60%.

...now how my 17TS that went in for a clean and check, but came out with a $370 repair bill is a mystery.
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Thread Title: Canon Mark IV Error 20 Anyone?
Thread Started By: Bryce Vickmark
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