Safety Switches - Ricoh FT7770 Service Manual

5. Safety Switches

When the top cover or front cover is opened, the respective safety switch
opens the 100 volt ac line to the sorter motor.
5 (top cover safety) or CN113-6 (front door safety) changes from 0 volts
to +5 volts, informing the sorter's CPU that a cover is open.
CPU sends the OPEN COVER signal to the copier CPU, and the copier
CPU then turns on the Close Cover indicator.
At the same time, CN113-
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April, '89
The sorter