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User's Guide 54
Parallel (Centronics)
Pin Configuration
The parallel port is a standard 36-pin Centronics.
Pin Direction Definition Pin Direction Definition
1 In /STROBE 13 Out SELECT
2 In Data 1 14,15 NC
3 In Data 2 16 - Ground
4 In Data 3 17 - Ground
5 In Data 4 18 NC
6 In Data 5 19 to 30 - Ground
7 In Data 6 31 NC
8 In Data 7 32 Out /Fault
9 In Data 8 33 to 36 - NC
10 Out /ACK
11 Out BUSY
12 Out PE
Auto Polling
Both the serial and parallel ports are active at the same time on this printer. Data can be received on
either one, however no provision is made for port contention. If data is transmitted to both ports
simultaneously, it will cause the data in the received buffer to be corrupted.