Bet the friction drive is worn, if this is a 62 air electronic mine did the same. Its like a slipping clutch. Can you check the model number? It will be on the machines id plate on right side near power plug socket. 62 is the SU. You may find some help from fellow Elna owners at the group called,Elna Heirlooms in groups at yahoo dot com, I have seen othets discuss a way to roughen up the outside of the drive wheel with sandpaper.
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Bet the friction drive is worn, if this is a 62 air electronic mine did the same. Its like a slipping clutch. Can you check the model number? It will be on the machines id plate on right side near power plug socket. 62 is the SU. You may find some help from fellow Elna owners at the group called,Elna Heirlooms in groups at yahoo dot com, I have seen othets discuss a way to roughen up the outside of the drive wheel with sandpaper.