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