Remove the ADF top door.
4.
Authentication PCBA removal
1.
Remove the large platen glass. See
Remove the sensor (FB platen length). See
2.
3.
Remove the FB CCD sensor assembly. See
Disconnect the two ribbon cables (A) from the authentication PCBA.
4.
Remove the four screws (B).
5.
Remove the authentication PCBA.
6.
"Large platen glass removal" on page
"Sensor (FB platen length) removal" on page
"FB CCD sensor assembly removal" on page
7558-xxx
4-231.
4-260.
4-224.
Repair information
4-223
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