Magnetic Clutches - Ricoh FT7770 Service Manual

30
April, '89

5. Magnetic Clutches

To energize a magnetic clutch, the main board supplies +3 volts at CN-1.
When the dc drive board receives this signal at CN-2, it drops CN-3 to 0
volts to turn on the solenoid.
Name
Duplex Paper Feed
Lower Paper Feed
Registration
Toner Supply
Upper Paper Feed
Duplex Tray Drive
Symbol CN-1
MC-3 CN202-A15 CN302-B5 CN301-B5
MC-2 CN202-A14 CN302-B4 CN301-B4
MC-4
CN202-B14 CN302-A5 CN301-A5
MC-5 CN202-B15 CN302-A6 CN301-A6
MC-1 CN202-B13 CN302-A4 CN301-A4
CN201-A11 CN302-B7 CN301-B7
MC-6
2-108
CN-2 CN-3