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7541-03x
Printhead controller board
Connector
CN4
CN5
5-14
Service Manual
Connects to
Pin no.
Black printhead
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
171
18
19
20
21
22
23
24
Engine board
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Signal
HD5V
GND
HD5V
GND
HD5V
GND
HD5V
GND
HD5V
GND
HD3V
SO-K
SCK-K
STROBE-K
DATA_K0
DATA_K1
DATA_K2
DATA_K3
HSYNC-K
LOAD_K
GND
CLOCK-N-K
CLOCK-P-K
GND
MBUSY_IN
SUBRXD
SUBTXD
MOTOR_CLK1
MOTOR_CLK2
MOTOR_CLK3
MOTOR_CLK4
GND
HTNB1
PEPCNG
GND
THETALED
PRG_SW
LDPRG
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