ADF
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10. Pull out the CIS unit [A] from the ADF unit.
The CIS unit can be easily removed by pushing it from behind.
When reattaching the ADF inner cover, make sure that the shaft [A] fits into the groove (this is the shaft of
the lock lever for the friction pad on the back side of the cover). If the shaft does not fit, the ADF top cover
will not be closed.
When reattaching the ADF inner cover [A], move it under the coupling shaft (marked by the dashed circle)
of the original feed unit, and then you can install the ADF inner cover correctly.