Fan locations The following figure shows the product fan locations. Figure 1-5 Fan locations FM1 FM2 FM3 Table 1-3 Fan locations Fan Speed FM1 Full/Mid/Low FM2 Full FM3 Full Failure detection The DC controller determines if the fan has failed and notifies the formatter when the fan stops rotating for a specified time during start-up. ENWW Engine control system 9 Cooling area Type Rear fan Product inside and low-voltage power supply area Exhaust Front fan Product inside Intake Fuser fan Fuser area Intake