Lexmark T640 Service Manual page 304

4061-xx0
System board (see "System board" on page
Connector
J15 HVPS
J16 Ethernet port
J17 Parallel port
J18 Front/bottom options
J20 Transport motor
5-4
Service Manual
5-1)
input sensor
Cartridge toner wheel sensor
Pin no. Signal
1 ATSERVO
2 TXENABLE
3 XFR
4 24 V dc switched
5 CHARGE
6 Ground
7 DEV
8 Ground
9 INPUTSENSX
10 +5 V dc switched
11 +5 V dc
12 TONER WHEELX
13 Ground
1
2
3
4
5
6
7
8
9
10
11
12
13
1 Ground
2 +24 V dc OTC OPT
1 BLDC_HALL 0
2 BLDC_HALL 1
3 BLDC_HALL 2
4 BLDC FG
5 Ground
6 +5 V dc switched
7 BLDC WIND
8 BLDC WIND 1
9 BLDC WIND 2