Bizhub 421 getting 1201 registration jams

[mhoward]

The machine has 1.4 mil on it. We've replaced the registration assembly and both clutches on the reg assembly (CL1&2). Getting same jam 1201 from both trays every 40-50 pages. Paper stops between the two sets of registration rollers at the sensor. Feed rollers and oneways were changed in both tray feeds as well. Just out of ideas. Any help is greatly appreciated.

Thanks

[CCS]

Check and re-seat PF units harness plugs

[JustManuals]

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Paul@justmanuals.com

[mhoward]

Think we got it solved. There's a one-way gear and sleeve on the back of the tray 2 feed assembly that drives the vertical transport. Didn't know there was one there. Replaced it a few days ago along with the clutch, haven't heard back.

gear 33T - 4030306401
sleeve - 4030306901
clutch - 50GA82020