Canon ir2016, ir2020 マニュアル

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Chapter 3  
3-12
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3.5.2.2 Removing the Lower-right Cover
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1) Remove the five RS tightening screws (M3 x 8) [1]. Release the two hooks
[2], and then detach the lower-right cover [3].
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3.5.2.3 Removing the Upper-right Cover
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1) Remove the RS tightening screw (M3 x 8) [1], and then detach the upper-
right cover [2].
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3.5.2.4 Removing the Shift Tray
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1) Disconnect the connectors (J905) [1] and (J906) [2] on the finisher con-
troller PCB, and then remove the two screws with toothed washer (M3 x 6)
[3].
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2) Remove the three TP binding screws (M3 x 6) [4], and then remove the
Shift Tray [5] forward.
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When removing the tray unit, be careful not to get your hands hit or pinched.
Do not hold the tray. 
3.5.2.5 Removing the Stack Tray Lower Limit Sensor
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1) Disconnect the connector [1], and then remove the stack tray lower limit
sensor [2].
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3.5.3 Process Tray Paper Sensor
3.5.3.1 Removing the Top Cover
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1) Remove the three RS tightening screws (M3 x 8) [1], and then detach the
top cover [2].
[1]
[2]
[1]
[3]
[2]
[2]
[1]
[2]
[2]
[1]
[3]
[4]
[5]
[1]
[2]