Oki C9800 Series, Service & Troubleshooting Manual

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Using the Motor & Clutch Test
Enter Service Mode by holding down the menu up / menu down and help buttons
at the same time while powering up the machine. (This may take up to 60 seconds.)
From Diagnostic Mode Down arrow to “Motor & Clutch Test” and press “Enter”
From this menu, pressing the Down Arrow Key will scroll through the following table
of tests. Simply select “Enter to execute and “Cancel” to terminate the selected test.
Image Drum / Toner / Waste Toner Tests
Item Tested Remark
K-ID Motor Runs black image drum motor for 10 seconds
C-ID Motor Runs Cyan image drum motor for 10 seconds
M-ID Motor Runs Magenta image drum motor for 10 seconds
Y-ID Motor Runs Yellow image drum motor for 10 seconds
ID UP/DOWN Runs Image Drum Up/Down Motor for 10 Seconds
DISPOSAL TONER TUBE Runs Disposal Toner Tube for 10 Seconds
TONER SUPPLY MC Runs the Magenta / Cyan Toner Supply Motor
TONER SUPPLY C Runs the Cyan Toner Supply Motor
TONER SUPPLY M Runs the Magenta Toner Supply Motor
TONER SUPPLY KY Runs the Black / Yellow Toner Supply Motor
TONER SUPPLY Y Runs the Yellow Toner Supply Motor
TONER SUPPLY K Runs the Black Toner Supply Motor
Printer Paper Feed Tests
Item Tested Remark
TRAY1 GEARED MOTOR Runs the Tray 1 geared motor for 10 seconds
TRAY1 MOTOR Runs the Tray 1 motor for 10 seconds
M-ID Motor Runs Magenta image drum motor for 10 seconds
JOB OFFSET Runs the job offset mechanism for 10 seconds
REGISTRATION SHUTTER Activates the Regis. solenoid ON/OFF for 10 seconds
FACEDOWN SOLENOID Face Down solenoid ON/OFF for 10 seconds
EXIT SOLENOID Exit solenoid ON/OFF for 10 seconds
MPT LIFT UP Runs the MPT tray lift up motor
MPT MOTOR Runs the MPT tray paper feed motor
REGIST CLUTCH Runs the registration clutch for 10 seconds
REGIST MOTOR Runs the registration motor for 10 seconds
FUSER RLS Rotates the fuser rollers in steps
FUSER MOTOR REVERSE Runs the fuser motor in reverse for 10 seconds
FUSER MOTOR Runs the fuser motor for 10 seconds
BELT MOTOR Runs the transfer belt motor for 10 seconds
Duplex Tests
Item Tested Remark
DUP FAN Runs the Duplex Fan for 10 seconds
DUP MOTOR Runs the Duplex Motor for 10 seconds
High Capacity Paper Feeder Tests
Item Tested Remark
TRAY5 GEARED MOTOR Runs the Tray 5 geared motor for 10 seconds
TRAY4 GEARED MOTOR Runs the Tray 4 geared motor for 10 seconds
TRAY3 GEARED MOTOR Runs the Tray 3 geared motor for 10 seconds
TRAY2 GEARED MOTOR Runs the Tray 2 geared motor for 10 seconds
TRAY5 ROLLER CLUTCH Runs the Tray 5 roller clutch for 10 seconds
TRAY4 ROLLER CLUTCH Runs the Tray 4 roller clutch for 10 seconds
TRAY3 ROLLER CLUTCH Runs the Tray 3 roller clutch for 10 seconds
TRAY2 ROLLER CLUTCH Runs the Tray 2 roller clutch for 10 seconds
TRAY5 FEED MOTOR Runs the Tray 5 feed motor for 10 seconds
TRAY4 FEED MOTOR Runs the Tray 4 feed motor for 10 seconds
TRAY3 FEED MOTOR Runs the Tray 3 feed motor for 10 seconds
TRAY2 FEED MOTOR Runs the Tray 2 feed motor for 10 seconds
TRAY5 MOTOR Runs the Tray 5 motor for 10 seconds
TRAY4 MOTOR Runs the Tray 4 motor for 10 seconds
TRAY3 MOTOR Runs the Tray 3 motor for 10 seconds
TRAY2 MOTOR Runs the Tray 2 motor for 10 seconds