Epson ActionLaser 1100 User Manual - Page 59

to this printer can be carried out only after receipt, the ACKNLG signal or when the level

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Signal Pin 19-30 Return Pin - Signal GND 31 - NC 32 - ERROR 33 - GND 34 - NC 35 - +5v 36 - SLCTIN Direction - OUT - IN Description Twisted-pair return signal ground level. Not used This signal level goes LOW when the printer is: 1, Out of paper 2. In on error state Some as for Pins 19-30 Not used Pulled up to +5 V through 3.3 resistance. Available only for bidirectional use. Note: All interface conditions are based on TTL level. Both the rise and fall times of each signal must be less than 0.2 microseconds. Data transfer must be carried out by observing the ACKNLG or BUSY signal. (Data transfer to this printer can be carried out only after receipt of the ACKNLG signal or when the level of the BUSY signal is LOW.) The column heading "Direction" refers to the direction of signal flow as viewed from the printer. Return denotes the twisted-pair return to be connected at signal ground level. For the interface wiring, be sure to use a twisted-pair cable for each signal and to complete the connection on the return side. The ACKNLG puke width varies. Technical Specifications A-7

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Signal
Return
Pin
Pin
Signal
Direction
Description
19-30
-
GND
-
Twisted-pair return signal
ground level.
31
-
NC
-
Not used
32
-
ERROR
OUT
This signal level goes LOW
when the printer is:
1, Out of paper
2. In on error state
33
-
GND
-
34
-
NC
-
35
-
+5v
-
36
-
SLCTIN
IN
Some as for Pins 19-30
Not used
Pulled up to +5 V through
3.3
resistance.
Available only for
bidirectional use.
Note:
All
interface conditions are based on TTL level. Both
the rise and fall times
of
each signal must be less than 0.2 microseconds.
Data transfer
must be
carried out by observing the ACKNLG or
BUSY
signal. (Data
transfer
to this printer can be carried out only after receipt
of
the ACKNLG signal or when the level
of the
BUSY signal is
LOW.)
The
column heading “Direction“ refers to the direction of signal flow as
viewed from
the printer.
Return denotes the twisted-pair return to be connected at signal ground
level. For
the
interface wiring, be
sure to
use a twisted-pair cable for each
signal and to
complete
the connection on the return side.
The ACKNLG puke width varies.
Technical Specifications
A-7