Pin
no.
Signal
name
GND
In/Out
Description
13
SLCT
28
Out
Always HIGH when the printer
is on.
14
AFXT
30
In
Not used.
31
INIT
30
In
Set LOW to initialize the printer.
32
ERROR
29
Out
This signal is LOW when the
printer is in an error state.
36
SLIN
30
In
Not used.
18
Logic H
-
Out
This line is pulled up to +5V
through 3.9 k
Ω
resistance.
35
+5V
-
Out
This line is pulled up to +5V
through 3.3 k
Ω
resistance.
17
Chassis
-
-
Chassis GND.
16,33,
19-30
GND.
-
-
Signal GND.
15,34
NC
-
-
Not connected.
* In/Out shows the direction of signal flow as viewed from the printer.
Parallel interface (reverse channel)
Transmission mode:
IEEE-1284 nibble mode
Adaptable connector:
57-30360 (Amphenol) or equivalent
Synchronization:
Refer to IEEE-1284 specifications
Handshaking:
Refer to IEEE-1284 specifications
Signal level:
IEEE-1284 level 1 device
Data transmission
timing:
Refer to IEEE-1284 specifications
L
Sunflower-E
rev.D
A5 size Appendix
02/05/96
pass 2
A-14
Specifications, Command Summary, and Character Tables