Oki ES3640MFP Service & Troubleshooting Manual page 23

Fan Tests
Item Tested
FAN ID
FAN BELT
FAN FUSER
FAN PU-BOARD
FAN POWER
Inverter Tests
Item Tested
INV REGIST CLUTCH
INV PRESSURE SOLENOID
INV SEPARATER
INV MOTOR B
INV MOTOR A
2.5 Accessing the Switch Scan Test
The "Switch Scan Test" under the "Diagnostics" menu in service mode can be an important tool in
assisting in the diagnosis of service related issues in the ES3640 / CX3641 MFP. The test gives you
the ability to test the operation of all of the sensors, and switches in the Printer, Large Capacity
Feeder, Duplexer, and finisher that are indicated below.
For additional information, see "Electronic Components and Functions" in this manual.
Remark
Runs black image drum Fan for 10 seconds
Runs the Transfer Belt Fan for 10 Seconds
Runs the Fuser Fan for 10 Seconds
Runs the PU Board Fan for 10 Seconds
Runs the Power Supply Fan for 10 Seconds
Remark
Inverter Registration Clutch ON/OFF for 10 seconds
Inverter Pressure solenoid ON/OFF for 10 seconds
Inverter Separator Clutch ON/OFF for 10 seconds
Runs the Inverter Motor B for 10 Seconds
Runs the Inverter Motor A for 10 Seconds