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19
Parallel port connector (26-pins 2.54mm pitch pin-header with
housing): CN3
Pin # Assignment Pin # Assignment
1 Line Printer Strobe 2 Auto Feed
3 PD 0, Parallel Data 0 4 Error
5 PD 1, Parallel Data 1 6 Initialize
7 PD 2, Parallel Data 2 8 Select
9 PD 3, Parallel Data 3 10 Ground
11 PD 4, Parallel Data 4 12 Ground
13 PD 5, Parallel Data 5 14 Ground
15 PD 6, Parallel Data 6 16 Ground
17 PD 7, Parallel Data 7 18 Ground
19 ACK, Acknowledge 20 Ground
21 Busy 22 Ground
23 Paper Empty 24 Ground
25 Select 26 NC
y Figure:
Power fan connector: CN4
Pin # Assignment
1 Ground
2 +12V
3 Fan Status Signal
y Figure:
25
26
1
2
1
3