Table of Contents
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Pin No.
Signal name
~
N/C
INIT
Direction
IN
13
25
– –
1) DTR/DSR Communication Mode
This signal indicates whether the printer is busy.
SPACE indicates that the printer is ready to receive
data, and MARK indicates that the printer is busy.
The busy condition can be changed by using DIP
SW -6 as follows:
Printer status
. During the period from when
the power is turned on (includ-
ing resetting using the interface)
to when the printer is ready to
receive data.
. During the self printing.
. When the cover is open.
. When the printer stops printing
due to a paper-end.
. During macro executing standby
status.
6. When an error has occurred.
. When the receive buffer becomes-
full.
2) X-On/X-Off Communication Mode
Always space, except during following condi-
tions:
• Period between reset and communication ena-
bled
• During self printing
Not used
Status of this signal is not checked.
14
Function
DIP SW 1-6
OFF
BUSY
BUSY
—
—
—
—
BUSY
1
D-sub 25 Pin
ON
BUSY
BUSY
BUSY
BUSY
BUSY
BUSY
BUSY
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