Oki ES3640MFP Component Replacement Manual page 12

1.2 Fans
A number of fans are used to circulate air throughout the printer.
Caution: when servicing a fan, note the orientation of the Fan label before removal.
• Top Cover Fan located above the Cyan LED Head in the Top Cover
• Card Cage Fan located behind the Right Rear Cover
• Fuser Fan located at the upper left rear corner underneath the Top Cover
• Imaging Unit Fan located behind the Control Panel
• Transfer Unit Fan located below the Imaging Unit Motors
• Fiery Control PCB Fan located in the Card Cage
• LVPS Fan located in the LVPS
• Duplex Unit Fan inside the Duplex Unit
Duplex Fan
Image Drum Fan
***** Use the "Motor Clutch Test" in Chapter 2 to test fan operation*****
Top Cover Fan
Fuser Fan
Fiery Controller / Image Processor Fan
Transfer Unit Fan
Card Cage Fan
LVPS Fan