Canon i550 Service Manual page 38

CN508 (Purge sensor connector)
Pin No. Signal Name
1 POW
2 GND
3 SNS_PG
2.2.2 Carriage board
J1 (Carriage ribbon cable connector)
See page 3-8 (CN201 Carriage ribbon cable connector pin description)
J2 (Carriage ribbon cable connector)
See page 3-8 (CN202 Carriage ribbon cable connector pin description)
J3 (Carriage ribbon cable connector)
See page 3-8 (CN203 Carriage ribbon cable connector pin description)
J4 (Print head)
Pin No. Signal Name
1 - 40
Function
PG sensor illuminating side power supply
GND
PG sensor output
J3
36
1
Figure 3-5 Carriage Board
Function
See page 3-11 (Print head pin description)
3 - 10
J1
J2
44
8