Lexmark 4227-X00 - Manual (Page 119)

5-16 Service Manual
4227-X00
Main Logic Board<-->Tractor PSet & Jam Sensors
Main Logic Board<-->Ribbon Motor
Main Logic Board<-->Auto Gap Motor
CN18
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6 TRPSS
TRPSG
TRJMP
TRJAM
TRJMG
DSET
CN19
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6 RBD
RBC
RBB
RBA
RBCOM
RBCOM
CN20
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6 GPD
GPB
GPC
GPA
GPCOM
GPCOM