3.2 SWITCHES
Component Condition Symptom
Main Switch (SW1) OPEN The copier does not turn on.
SHORT The copier does not turn off.
Interlock Switch (SW2) OPEN The copier does not turn on.
SHORT
The copier does not turn off when the
upper unit is opened.
Tray Paper Size Switch (SW3)
OPEN
The copier detects the paper tray open
condition even if the paper tray unit is
closed.
SHORT
The copier detects the paper tray closed
condition even if the paper tray unit is
opened.
Right Vertical Guide Switch
(SW4)
OPEN User code U1 is displayed.
SHORT
The user code U1 will not be displayed
even if the right vertical guide is opened.
ELECTRICAL COMPONENT DEFECTS 20 December 1996
7-30
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