Lexmark C77x Service Manual page 343

C77/c78 series
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"System board" on page
Connector
J16
ITU/black BLDC motors
J17
Fuser interface
5-7.
Pin no.
Signal
1
K_ON_OUT
2
ITU_ON_OUT
3
+5V dc (Through fuse F8)
4
+5V dc (Through fuse F8)
5
K_DIR_OUT
6
ITU_DIR_OUT
7
+24V_K_AND_ITU (Through fuse F4)
8
+24V_K_AND_ITU (Through fuse F4)
9
Ground
10
Ground
11
K_CLK_OUT
12
ITU_CLK_OUT
13
K_HALL_IN
14
ITU_HALL_IN
15
N/C
16
N/C
1
EXIT_SENSOR_IN
2
FUSER_CAM_1_IN
3
Ground
4
OILER_ENC_A_IN
5
OILER_ENC_B_IN
6
HR_THERM_IN (hot roll thermistor)
7
BR_THERM_IN (backup roll thermistor)
8
Ground
9
+5V_SWITCHED
10
ZERO_XING_IN
11
HR_HEAT_ON_OUT (hot roll control)
12
BR_THERM_ON_OUT (backup roll control)
5061
5-11
Connector locations

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C76xC780nC78xC770nC772nC782n

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