Connector Connects to Pin no. Signal
J54 Main cooling fan 1 S_MAIN_FAN_ENC_C
2GND
3 S_MAIN_FAN_C
J56 Control panel interlock sensor 1 S_COVER_CLOSED_C
2GND
3 S_COVER_LED_C
J57 Printhead mirror motor 1 MM_REFCLK_C
2 MM_LOCK*_C
3 MM_START*_C
4GND
5 +24V_FUSE_B
J58 Toner cartridge smart chip contact 1 S_CART_SDA_C
2V_CART
3S_CART_SCL_C
4GND
5 S_LD_RELAY_HI_C
6 S_LD_RELAY_RET_C
J73 Image density sensor 1 S_TDS_LED_PWM*_C
2 S_A_TDS_C
3GND
4S_TDS+5V_C
J80 Top option interface cable 1 +24V_TOP_OPT_C
2GND
3 S_RXD_PP_TOP_C
4GND
5 S_TXD_PP_TOP_C
6GND
J81 Lower option interface cable 1 +24V_BOT_OPT_C
2GND
3 S_RXD_PP_BOT_C
4GND
5S_TXD_PP_BOT_C
6GND
7463
Component locations
654