Originally Posted by
blazebusiness
That's a pretty basic / easy to troubleshoot issue for an experienced tech.........Check the jam history in service mode. If all cassettes are having some jams in the vertical transport area......you can eliminate the cassettes as the cause
If , as you already said, all other cassettes feed fine and the only time you experience jamming is from cassette #2 you can obviously eliminate the vertical transport as the culprit and just focus on the cassette feed unit. Remove it, inspect and clean sensors and replace rollers and rough up the shaft under the one-way. Reinstall and see if feed issues are gone.
(Also, the separation rollers develop flat spots causing all kinds of intermittant jams such as what you are describing)
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