Sub Logic Board<-->Printhead; Operator Panel Board<-->Ribbon Cover Sensor - Lexmark 4227 - Forms Printer B/W Dot-matrix Service Manual

4227-300
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Operator Panel Board<-->Ribbon Cover Sensor
6-14
Service Manual
Sub Logic Board<-->Printhead
CN1
RH8
RH8C
RH7
RH9C
RH6
RH9
RH7C
+5 V dc
RH6C
HDTHERMO
LH6C
LH9
LH7C
LH8
LH6
LH9C
LH7
LH8C
Pin 1
Pin 2
CN2
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Pin 16
Pin 17
Pin 18
Pin 19
Pin 20
CN1
C-Open
Signal Gnd
RH3
RH3C
RH2
RH4C
RH1
RH5C
RH2C
RH4
RH1C
RH5
LH1C
LH5
LH2C
LH4
LH1
LH5C
LH2
LH4C
LH3
LH3C