iR5070 second side skewed via duplexer

[Dexor]

First page is ok but second sided copies are always skewed, not much but bad enough to be annoying for the customer - any clues?

[teckat]

First page is ok but second sided copies are always skewed, not much but bad enough to be annoying for the customer - any clues?

Check Horizontal Sensor and Check motor operation.

Check that the Steel roller,FB5-3322-020> item 25 which presses on the Foam roller,FB5-3321-000 item 24 is not excessively worn.
duplex.JPG

FS5-6488-000 - two washers #66
XG9-0192-000- two bearings # 78