SATO 9001226(A) Service Manual page 28

Section 3: Interface Specifications
3.3 IEEE 1284 PARALLEL INTERFACE (Cont'd)
3.3.3 Input and Output Signals
The details of each signal line for the Centronics standard (Compatible Mode) are as follows.
Note that each signal line complies with the IEEE1284 standard.
Pin No. Signal
1 STROBE
2~9 DATA 1 ~ DATA 8
10 ACK
11 BUSY
12 PE
13 SELECT
14 AUTOFD
17 CHASSIS GND
18 PERIPHERAL LOGIC
HIGH
19~30 SIGNAL GND
31 INIT
32 FAULT
33 SELECTIN
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I/O
Input Synchronization signal that requires low active pulse to read
DATA1 ~ DATA8
Input Data entry of 8bits parallel:
Output Low active pulse signal indicating the completion of receive
data import
Output High active signal indicating that the printer is not ready to
receive data
Output High active signal indicating paper shortage
Output High active signal indicating that the printer is ready to
receive data
Input Signal for the IEEE1284 standard
Connecting to framework ground
Output +5V voltage on the printer side
Connecting to each signal ground
Input Low active pulse signal requesting to reset the printer
Output Low active pulse signal indicating an error in the printer
Input Signal for the IEEE1284 standard
Description
DATA1 --LSB (lowest bit)
DATA8 --MSB (highest bit)
TG3 Series Service Manual