SATO CG412DT Service Manual page 28

Section 3: Interface Specifications
3.3 IEEE 1284 PARALLEL INTERFACE (cont'd)
3.3.3 Input/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.
Signal
STROBE
DATA 1 ~ DATA 8
ACK
BUSY
PE
SELECT
AUTOFD
CHASSIS GND
PERIPHERAL LOGIC
HIGH
SIGNAL GND
INIT
FAULT
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)
CG4 Series Service Manual