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Reviewing the Centronics Parallel Pin Assignments
Pin No. Signal Direction Description
1
______ Strobe
In
A LOW pulse greater than 1 µs
causes the printer to read one
byte of data.
2 Data 0 In Data bit 0
3 Data 1 In Data bit 1
4 Data 2 In Data bit 2
5 Data 3 In Data bit 3
6 Data 4 In Data bit 4
7 Data 5 In Data bit 5
8 Data 6 In Data bit 6
9 Data 7 In Data bit 7
10 ______ Acknlg
Out
A
LOW pulse is sent by the printer
to indicate that a byte of data has
been accepted and that it is ready
for more data.
11 Busy Out A HIGH logic level is sent to the
printer to indicate to the host that
it cannot receive data due to data
entry, error status, or a full buffer.
12 Paper Error Out Low = OK, High = media error
13 Ready Out Low = off-line, High = on-line
14, 15 Not Used
16 Sig Gnd
17 Chassis Gnd
Continued on the next page
Persona® C25 Card Printer User Guide (Rev. 4.0)
60