Connection Circuit Check For Printhead And Sp/Lf Motor - Oki ML420 Maintenance Manual

6.4

Connection Circuit Check for Printhead and SP/LF Motor

(1) Printhead
Signal
HEAD1
HEAD2
HEAD4
HEAD6
HEAD8
0V
HTEMP
+50V
+50V
+50V
HEAD9
HEAD7
HEAD5
HEAD3
NC
42113901TH01 Rev.3
Connector pin number
CN1
1
2
3
4
5
6
Thermistor
7
8
9
10
11
12
13
14
15
Oki Data CONFIDENTIAL
#1
#2
#4
#6
#8
(5KΩ at 25°C)
#9
#7
#5
#3
100 /