Lexmark X925 - Page 402

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