Lexmark C540 Service Manual page 209

Controller board connectors (continued)
Connector
JPH1
Printhead flat cable connector
(continued)
JPJ1
Paper jam detection
JSC1
SC cartridge
Pin no. Signal
22 D_VDO_2+
23 D_VDO_2–
24 Ground
25 D_VDO_5+
26 D_VDO_5–
27 Ground
28 D_VDO_1+
29 D_VDO_1–
30 Ground
31 D_VDO_4+
32 D_VDO_4–
33 Ground
34 D_VDO_0+
35 D_VDO_0–
36 Ground
37 I2CCLK_PH
38 VDO_LADJ1
39 I2CDATA_PH
40 VDO_LADJ0
1 +5V_SW
2 PAPER_JAM_DET
3 Ground
1 +3.3 V dc
2 DATA_SC
3 SCK_SC
4 Ground
5025-2xx, 4xx
5-7
Connector locations