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Interfaces
In the tables below, the column heading “Direction” refers to the direction
of signal flow as viewed from the printer.
Parallel B Interface
The parallel B (IEEE 1284-I compliant) interface connector pin
assignments are shown in the table below.
Pin Direction Compatibility Nibble
1IN
nStrobe HostClk
2IN DATA1
3IN DATA2
4IN DATA3
5IN DATA4
6IN DATA5
7IN DATA6
8IN DATA7
9IN DATA8
10 OUT
nACK PtrClk
11 OUT Busy PrtBusy
12 OUT PError AckDataReq
13 OUT Select Xflag
14 IN
nAutoFd HostBusy
15 — NC
16 — GND
17 — CG
18 OUT Peripheral Logic High
19 - 30 — GND
31 IN nlnit
32 OUT
nFault nDataAvail
33 — GND
34 — NC
35 OUT +5V
36 IN
nSelectln IEEE1284active
Specifications
A-5