SENSORS 14 June, 2002
3-20
3.6 SENSORS
3.6.1 REPLACING THE ADF/MDF SENSORS AND SWITCHES
1. Open the ADF upper cover. (☛ 3.1.1.)
2. Remove the ADF front cover (! x 2).
3. Remove the pickup-roller unit.
4. Remove the ADF rear cover (! x 1).
5. Remove the upper guide plate (! x 4). (☛ 3.1.2.)
6. Release the pawls of the S1 [A], B4 [B], A3 [C] sensors (at the connector sides)
and remove the sensors (" x 1 each).
7. Release and remove the pawl located on the rear face of the ADF upper cover
switch [D] (" x 1).
H310R903.WMF
[A]
[B]
[C]
[D]
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