Question about Mamiya 645 Pro TL Medium Format Camera

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Mamiya 645 counter not working, and now winding crank not engaging

THe camera seemed to be working properly so we loaded the film, but the counter stayed at 13, then when we turned the film winder crank, it ran through the roll. The numbers never changed. Once the film was removed, the winding crank isn't engaging and the shutter release button is stuck as well. There's a new battery in the camera.

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Posted on Jan 02, 2017

Saigua
  • 981 Answers

SOURCE: shutter stays open on mamiya 645 M

Get any crud from the battery out of the works with pH-neutral stuff and q-tips or lint-free towels, and see if it works (without film; might as well check current drain with a bench supply instead of a battery, too) once you've done a satisfactory job of that.  Then visit a shop so they can see if the shutter timing is tolerable...and perhaps sometime you can load film in again.

Posted on Jul 31, 2008

Gryfox
  • 216 Answers

SOURCE: Mamiya M645j film counter not advancing to start when roll loaded

It's a common problem in the 645 - if you want to do it yourself, without a permanent fix, put a DROP ( not a lot ) of lighter fluid, or rubbing alcohol on the tip of a fine screwdriver and apply it to the gear you use to rewind the camera, and turn back and forth a few times. If that doesn't loosen it, it'll have to be disassembled.

Posted on Jan 08, 2009

cammedic
  • 667 Answers

SOURCE: Pro-S film back doesn't advance film properly.

There is good chance that the back needs a spring replaced. I've seen them fail many times.

Posted on Dec 07, 2009

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1 Answer

Mamiya RB67 Pro S: film counter does not advance, but the film does advance purchase another back same problem. Is there a switch that I'm missing??


If the problem is on the magazine's counter and if the spacing of frames is correct then the counter dial is loose. two screws on the outside front of the top of magazine, two screws in the film chamber hold the top cover. remove leather cover on winding lever loosen screw and remove. you can then remove the complete top housing to expose the counter mechanism.

Oct 30, 2013 | Mamiya Rb67 Pro S Medium Format Camera-...

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Just got a 645= shutter "release jammed:, I put in new battery and also missing the crank arm, must have had a motor handle before. its like new, meter in prism works new battery,have old 645 J to...


if the shutter is jammed just off the device,and slightly pull the shutter door with your hand 3-4 times.apply a drop of oil on both the sides.and then on the device.and check it will work.
and for the replacement off the handle you will have to check on the old device that where are locks in the back you just have to remove that locks,also check for the hidden screws in the centre or back of the handle.which may be blocking it to be removed easily.

thanks.

Oct 11, 2008 | Mamiya Cameras

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Hello. I just got a Mamiya C330, looks really nice but I note that the little release botton in front of the camera is inside I can;t take it out. my question is this could affect to take picture or I...


This button you speak of is an alternate way of depressing the shutter it is also a way in which you can use a shutter release cord to take pictures. the button itself is not meant to come out of the camera. Once you load your film or 2 empty film spools (to test to see if the camera is working properly) into the camera and wind the film crank then you will be able to depress that button and fire the shutter.

http://www.butkus.org/chinon/mamiya/mamiya_c330f_prof/mamiya_c330f_prof.htm

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I bought a second hand Mamiya 645 Af but as soon as I load a film it shows a error message ERR 01 .... what is that ?


From the manual:
"If the error display is not canceled when the shutter release button is pressed again, insert the Dark slide, half-press the shutter release button while pressing the roll film holder's manual film advance button to wind up the film, then contact your nearest Mamiya agent or service center."

If you need a manual, you can download one from
http://butkus.org/chinon/mamiya/mamiya_645af/mamiya_645af.htm

Aug 04, 2011 | Mamiya 645AF Medium Format Camera

1 Answer

Pro-S film back doesn't advance film properly.


There is good chance that the back needs a spring replaced. I've seen them fail many times.

Nov 14, 2009 | Mamiya RB67 Pro SD Medium Format Camera

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My Mamiya RB67 triggers and shutter lease lever works but film advance lever doesn't move. Trigger button fired several times but film advance still showing 1.


This is not the best solution as it indicates a faulty film back. The film should advance without resorting to activating the film-wind release lever. That is only for intentionally advancing a partially exposed roll of film. Make sure the multi-exposure lever is not engaged and that the counter does advance and the red mark disappears as you advance to an unexposed frame.

Nov 09, 2009 | Mamiya RB67 Pro SD Medium Format Camera

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I have a mamiya 645 pro camera I can't remove the old film spool from the camera ? JoAnn


Squeeze the two handles on either side of the "120" or "220" label on the film holder to pull it out, then the spool is easily removed.

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1 Answer

Mamiya M645j film counter not advancing to start when roll loaded


It's a common problem in the 645 - if you want to do it yourself, without a permanent fix, put a DROP ( not a lot ) of lighter fluid, or rubbing alcohol on the tip of a fine screwdriver and apply it to the gear you use to rewind the camera, and turn back and forth a few times. If that doesn't loosen it, it'll have to be disassembled.

Jan 07, 2009 | Mamiya 645 Medium Format Camera

1 Answer

Wind / shutter issue (2nd try to post)


It sounds like there is a problem with the frame counter in the film back itself. Try operating the camera with the back removed and on multi-exp to check the shutter functions.

Aug 10, 2008 | Mamiya Photography

1 Answer

Shutter stays open on mamiya 645 M


Get any crud from the battery out of the works with pH-neutral stuff and q-tips or lint-free towels, and see if it works (without film; might as well check current drain with a bench supply instead of a battery, too) once you've done a satisfactory job of that.  Then visit a shop so they can see if the shutter timing is tolerable...and perhaps sometime you can load film in again.

Jul 31, 2008 | Mamiya 645 Medium Format Camera

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