Figure 1-42 Duplexer circuit diagram Motor and fan control (DP) The duplexer has two motors and a fan. The motors are used for the media feeding and the fan is used for preventing a temperature rising inside the duplex unit. NOTE: The paper deck media size switch (SW1700) detects a media size in the paper deck.
Table 1-6 Fan (DP) Description Cooling area Type Speed Duplex cooling fan FM1501 Inside of the duplexer Intake Full Table 1-7 Motors (DP) Description Component driven Type Failure detection Duplex reverse m0tor M1501 Face-down delivery roller (in the product) Stepping motor No Duplex re-pick motor M1502 Side registration guide, duplex feed roller Stepping motor No 54 Chapter 1 Theory of operation ENWW +24V DC controller Duplexer +5V +24V M Motor +5V generation circuit Fan Sensor Duplex driver DC controller + gene cir 5V ration cuit Component Description Fan FM1501 Duplex cooling fan Motor M1501 Duplex reverse motor M1502 Duplex re-pick motor Sensor PS1501 Face up sensor PS1502 Duplex re-pick sensor PS1503 Side registration home-position sensor