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Author Message   Denny Tinkerer Username: Denny Post Number: 114 Registered: 08-2009 Rating: N/A Votes: 0 Posted on Friday, August 24, 2012 - 07:43 pm:    Following up on Barnum's comment, I use a MagLite and screw the heat all the way of so that the bulb is completely exposed. Then in the darkroom just move the light fore and aft and any pinholes will light right up. I did try a 120 spool in my Senior 620 and no way will it fit, so trimming or sanding will be necessary. Keep in mind, after sanding a 120 down to fit, there isn't the "safety factor" of the flange extending significantly past the film, so keep it in minimal light until loaded. Basically don't trim any further than necessary to avoid the possibility of edge fogging. And finally, if you don't process the film yourself as Br1078lum indicated, try to get the 620 take up spool back. I have read where some even go to the extent of re-rolling the exposed film back onto a 120 spool if they aren't sure of getting the spool back. Good luck and have fun with it.