WC7775 tray 1-2 detect wrong size of paper...

[blax]

hello, for a Wc7775 where can i find the paper size sensor to clean it? tray 1-2 detect wrong size of paper, i need open the tray several times, if i put 8.5x11" paper, sometimes detect smallest or biggest sizes... other times simply dont detect any paper inside..
thx!

[shinchan]

hello, for a Wc7775 where can i find the paper size sensor to clean it? tray 1-2 detect wrong size of paper, i need open the tray several times, if i put 8.5x11" paper, sometimes detect smallest or biggest sizes... other times simply dont detect any paper inside..
thx!

Take out the tray 1 and two.
then peek inside, you will find the paper size sensor inside.
A small brown colored PCB.
there is a screw holding the paper size sensor