Lexmark C77x Service Manual page 348

C77/c78 series
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5061
See
"System board" on page
Connector
JMMK1
Printhead—black mirror motor
JMMM1
Printhead—magenta mirror motor
JMPF1
MPF motor and sensor
JOPP1
Operator panel
5-16
Service Manual
5-7.
Pin no.
Signal
1
FUSE24V
2
Ground
3
Ground
4
+5 V dc (through fuse F12)
5
K_MMSTART
6
K_HSYN-SOS
7
K_MMLOCK
8
Ground
9
K_MMREF
10
N/C
1
FUSE24V
2
Ground
3
Ground
4
V_V5FUSE
5
M_MMSTART
6
M_HSYN-S0S
7
M_MMLOCK
8
Ground
9
M_MMREF
10
N/C
1
+5 V dc
2
MPF+Enc
3
Ground
4
MPF_Mtr-
5
MPF_Mtr+
6
Ground
7
+5 V dc
8
MPF Paper Out
9
MPF Paper Low
10
Ground
1
BUF_I2CDATA
2
+5V dc (through fuse 8)
3
BUF_I2CCLK
4
Ground
5
OP-Panel Interrupt (Active line)

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