Printing enabled/disabled signals and control conditions
The table below shows the relationship between printing being
enabled or disabled, the on line/off line status, and the receipt of the
data on/off control characters,
DC1
or DC3.
ON LINE SLCT IN DC1/DC3 ERROR BUSY
ACKNLG Printing
(Indicator
(Data
(Disabled/
on)
on/off
enabled)
control)
On line
Low (J9
DC1/DC3 High
High/Low Pulsed
Enabled
interface) (no effect)
ea. char.
(normal
cond.)
On line
High
DC1
High
High/Low Pulsed
Enabled
Recv’d
ea. char.
On line
High
DC3
High
High/Low Pulsed
Disabled*
Recv’d
ea. char.
Off line
High/Low DC1/DC3 Low
High
Not
Disabled
(no effect) (no effect)
generated
* While printing is disabled, character data is being received and acknowledged so
that the printer can look for another DC1 character, which would allow it to
resume printing.
Serial Interface
The built-in serial interface is an RS-232C asynchronous interface
with the following characteristics:
Data format
1 start bit
Data word length: 8 bit
Odd, even, or
no
parity
1 stop bit
Baud rate
300, 1200, 9600, 19200 bits per second
8-14
Technical Specifications
Содержание LQ-860 - Impact Printer
Страница 1: ...User s Manual EPSON 4 0 0 8 1 2 3 6 0 1 0 3 ...
Страница 2: ...E P S O N L Q 8 6 0 User s Manual ...
Страница 157: ...3 Push the paper release lever all the way back to the single sheet position 5 20 Using the Printer Options ...
Страница 190: ...Chapter 6 Maintenance Cleaning the Printer 6 2 Replacing the Ribbon 6 4 Transporting the Printer 6 9 Maintenance 6 l ...
Страница 197: ...8 Close the printer cover and the paper guide cover 6 8 Maintenance ...
Страница 299: ...Appendix Proportional Width Table A 2 Character Tables A 6 A l ...
Страница 305: ......
Страница 322: ......
Страница 324: ......
Страница 325: ...EPSON AMERICA INC 2780 Lomita Boulevard Torrance California 90505 EPSON Printed in Japan 90 09 4 ...