Connector Connects to Pin no. Signal
JCVR1 Cover open switch 1 V_24V_CVR, +24 V dc
2 COVER_OPEN (cover open +0 V dc; cover closed
+24 V dc)
JFAN1 System fan 1 FAN_FG, +3.3 V dc
2 Ground
3 V_FAN_P3
JFUSES1
• Fuser
• Motor pins—1–4
• Thermistor—black wire 5–6
• Duplex sensor (S1)—7–9
• Thermistor—white wire 10–11
1 V_FUSER_PHA+, +24 V dc (doors closed)
2 V_FUSER_PHA–, +24 V dc (doors closed)
3 V_FUSER_PHB+, +24 V dc (doors closed)
4 V_FUSER_PHB–, +24 V dc (doors closed)
5 FUSER_HQ_THM, +2.3 V dc
6 FUSER_HK_THM_RTN, ground
7 +5V_SW, +5 V dc
8 Ground
9 S1_MPF_SNS, +3.3 V dc
10 BUR_THM, +2.5 V dc
11 FUSER_BUR_THM_RTN, ground
12 Ground, (no wire)
JHVPS1 Developer/transfer HVPS 1 M_DEV_PWM_OUT
2 K_DEV_PWM_OUT
3 C_DEV_PWM_OUT
4 CMY_CHG)PWM_OUT
5 Y_DEV_PWM_OUT
6 K_CHG_PWM_OUT
7 CMY_SRVO_OUT, +3.3 V dc
8 ITM_TX_PWM_OUT
9 CMY_TX_PWM_OUT
10 ITM_SRVO_OUT, +3.3 V dc
11 K_SRVO_OUT, +3.3 V dc
12 K_TX_PWM_OUT
13 +24 V dc
14 Ground
15 5V_HVPS_REF
16 Ground
5027
Component locations
309