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edscoble
Sorry, was referring to the groupset generically and yes it is a 4703 with the bigger cage - it shifts up twice (you can see the large chainring lined up in the middle of the cage in the photos) but the second upshift just doesn't seem to be able to push the chain up.
On second thought, would turning the whole mech (it is band-on) so that the tail of the cage points further outwards help? Wonder if the issue is that the cage may not be perfectly parallel with the chainring (or going further, if it being slightly skewed towards the outside of the bike might help with shifting).