Sharp AR-6020V Service Manual page 87

(4) Rails
1) Remove the table glass.
2) Grease each rail.
Be careful not to allow grease to come in contact with drive
wires.
If grease contacts drive wires, clean wires thoroughly.
(5) Mirror, Reflector, Scanner lamp
1) Remove the table glass.
2) Clean the No. 2 mirror, and the No. 3 mirror.
3) Clean the reflector, the scanner lamp, and the No. 1 mirror.
AR-6020V DISASSEMBLY AND ASSEMBLY 10 – 4
(6) Lens, CCD
1) Remove the table glass.
2) Remove the dark box, and the cover.
3) Clean the lens, and the CCD.
(7) LED PWB, LED driver PWB
1) Remove the table glass.
2) Shift the lamp unit to the notch section of the scanner base
plate.
3) Remove the lamp guide. Disconnect the connector from the
LED driver PWB.