Repair information 4-151
7500-432, -632, and -832
Scanner controller card assembly removal
1. Remove the rear upper cover. See “Rear upper cover removal” on page 4-15.
2. Remove the scanner top rear cover. See “Scanner top rear cover removal” on page 4-132.
3. Remove the large platen glass. See “Large platen glass removal” on page 4-150.
4. Gently move the scanner carriage assembly completely to the left to provide access to the screws.
5. Remove the six screws securing the cover (A) to the scanner unit assembly.
6. Move the cover (A) forward then upward in the direction of the arrow.
7. Remove the cover (A).
8. Remove the four card mounting screws (B) securing the scanner controller card assembly (C) from the
rear of the scanner unit assembly.
9. Disconnect all connections from the scanner controller card assembly (C).
10. Remove the eleven screws securing the scanner controller card assembly (C) to the scanner unit
assembly.
11. Remove the scanner controller card assembly (C).
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