af-250 or gest-3225

[T911]

adf not recognizing 8 1/2 x 11 r original. it will start to scan and stop in the same spot all the time. trays are set correctly for the same direction, 3 trays on this one set up to lanscape, portrait and legal and all correctly recognized. checked my sensors in sp mode for the dp and when i put the original in the letter r direction it recognizes 5 1/2 x 8 1/2 size all other directions in the dp are ok. swapped sensors around but no luck. checked user settings and sp modes for adjustments or resets but no luck.. i did find a reset for dp and performed the reset but no luck. any help appreciated. thanks t

[tcs04]

Try cleaning the contact strips under the ADF side guides, if they are dirty on the edges you may find trouble only with certain widths of paper.

[Ltd]

I agreed

Try cleaning the contact strips under the ADF side guides, if they are dirty on the edges you may find trouble only with certain widths of paper.

I agreed with this suggestion.

[stephend]

Also check the Relay Harness - Original Width Sensor and try to replace the 2 bottom plate sensors connected to this harness.
Another suggestion is related with this AW01 0074 Photosensor - PS-R50D1-B...Good luck

[mikadonovan]

Try cleaning the contact strips under the ADF side guides, if they are dirty on the edges you may find trouble only with certain widths of paper.

I have had to do this also. It is something to try.