PRINTEX P250 Manual page 11

1)
printer is busy. SPACE indicates that the printer get ready to receive data, but
MARK indicates that the printer is busy. Changing the Memory Switch setting to
be used as a signal for printer busy.
2)
Offlin
e
Outpu
4 RTS
t
3) When XON/XOFF control is selected:
Signal indicates whether the printer is correctly connected and is ready to
receive data. SPACE indicates that the printer is ready to receive data.
The signal is always SPACE except in the following cases:
□ During the period from when the power is turned on to when the printer
is ready to receive data
□ During the self-test
Signal ground
7 SG
Signal assignments and functions (continued)
Sign
Signal
al
Pin No.
Direct
Nam
ion
e
This signal indicates whether the host computer can receive data. SPACE
indicates that the host computer can receive data, and MARK indicats the host
6 DSR Input
computer can't receive the data.
When DTR/DSR control is selected, the printer transmits data after confirming this
signal (except when transmitting data by DLE EOT and GS a) .
When XON/XOFF control is selected, the printer does not check this signal.
Changing the DIP switch setting enables this signal to be used as a
PRINTEX P250 User Manual
When DTR/DSR control is selected, The signal indicates whether the
Printer Status
1.During the period from when the
power is turned on to when the
printer is ready to receive data.
2. During the self-test.
3. When the cover is open.
4. During paper feeding using the
paper feed button.
5. When the printer stops printingdue
to a paper-end.
6. During macro executing standby
status.
7. When an error has occurred.
8. When the receive buffer becomes
full.(*1)
Function
Memory SW1-3 Status
ON OFF
BUSY BUSY
BUSY BUSY
—
BUSY
—
BUSY
—
BUSY
—
BUSY
—
BUSY
BUSY BUSY
5