Printer Cable Diagrams; Logic/Control Board To Print Head - IBM 4975 02L Maintenance Information

Printer Cable Diagrams
Connector
EC3 (Note 1.)
-
A01
A05
803
806
A04
A07
809
808
A10
A03
804
805
A09
A06
810
807
A08
801
Notes:
Key
A 8
Print head
connector EC3
Line name
Polarizing plug
+
24 Vdc
Wire drive 1
Wire drive 2
Wire drive 3
Wire drive 4
Wire drive 5
Wire drive 6
Wire drive 7
Wire drive 8
Wire 1 power
Wire 2 power
Wire 3 power
Wire 4 power
Wire 5 power
Wire 6 power
Wire 7 power
Wire 8 power
- Headlift
Connector
P4 (Note 2.)
802
A04
808
A05
AOE
807
810
A 11
A10
813
806
A06
A07
812
809
A12
A09
811
805
1. A02, A 11, A 12,
~02,
811 and 812 are not used on EC3.
Logic/ Control Board to Print Head
P10A P108
Plug positions
Logic/control board
connector P4
15 15
16 16
A 8
Connector
P10A
line name
1
Polarizing plug
2
+
5 Vdc
3
Ground
4
+
Left margin
Connector
P10B Line name
1 - Print emitter 1
2
- Print emitter 2
3
- Print emitter 3
4 Not used
Connector
P4
-
A13
814
A14
Connector
P4
815
A15
816
-
This diagram is for instructional purposes only.
2. A01, A02, A03, A 16, 801, 803 and 804 are not used on P4.
7 -8 SY34-0613