REV.-A
GENERAL DESCRIPTION
The standard 8-bit parallel interface has the following specifications:
Data Format
Synchronization
Handshaking
Signal Level
Connector
Data Transmission Timing
8-bit parallel
By STROBE pulse
By BUSY and ACKNLG signals
TTL-compatible
57-30360 (Amphenol) or equivalent
See Figure 1-7.
BUSY
ACKNLG
DATA
STROBE
min.
min.
min.
typ.
typ.
Figure 1-7. Data Transmission Timing
Table 1-9 shows the connector pin assignments and
signal functions of the 8-bit parallel interface.
Table 1-9. Connector Pin Assignments and Signal Functions
Pin No.
Signal Name
Return
Pin No.
Dir.
Functional Description
1
STROBE
19
In
Strobe pulse to read the input data. Pulse width must
be more than 0.5
Input data is latched at the fall-
ing edge of this signal.
2
DATA 1
20
In
Parallel input data to the printer.
3
DATA 2
21
In
“HIGH” level means data “1.”
4
DATA 3
22
In
“LOW” level means data “0.”
5
DATA 4
23
In
6
DATA 5
24
In
7
DATA 6
25
In
8
DATA 7
26
In
9
DATA 8
27
In
10
ACKNLG
28
o u t
This pulse indicates data was received and the printer
is ready to accept more data. Pulse width is 11
approximate.
11
BUSY
29
out
“HIGH” indicates the printer cannot accept more
data.
LQ-510
1-13
Summary of Contents for AP-4000
Page 1: ...LQ 510 AP 4000 T E C H N I C A L M A N U A L EPSON ...
Page 4: ...REV A REVISION SHEET iv LQ 510 ...
Page 103: ...REV A PRINCIPLES OF OPERATION LQ 510 Figure 2 68 A D Converter Circuit 2 61 ...
Page 125: ...OPTIONAL EQUIPMENT REV A 3 16 Figure 3 12 Lubrication Points 2 LQ 510 ...
Page 167: ......
Page 192: ...MAINTENANCE REV A L __ w w n Figure 6 3 LQ 510 Lubrication Points 6 3 LQ 510 ...
Page 202: ...APPENDIX REV A Table A 6 E01A05 Pin Functions A 8 LQ 510 ...
Page 212: ...3 L CN 1 ...
Page 213: ...REV A APPENDIX Figure A 25 SANPSE Board Component Layout LQ 510 A 19 ...
Page 214: ...REV A APPENDIX J Figure A 26 SANPSE Board Circuit Diagram A 20 LQ 510 ...
Page 215: ...REV A APPENDIX Figure A 27 SANPNL W Board Circuit Diagram LQ 510 A 21 ...
Page 216: ... w 3 0 4 CN1 14 18 22 I IP I9 3 1 2LSl39 2 6 8 2 4 9 TOM4 BOARD Y 4 5 4 2 0 9 0 0 0 0 0 ...
Page 220: ...h i ...
Page 221: ...REV A APPENDIX 506 Figure 14 32 Model 5710 Printer Mechanism Exploded Diagram A 29 ...
Page 222: ...APPENDIX REV A Figure A 33 C80006 Pull Tractor Exploded Diagram A 30 LQ 510 ...
Page 223: ... Y ...
Page 224: ...APPENDIX REV Figure A 35 LQ 510 Printer Cover A Case Outline Drawing A 32 LQ 510 ...
Page 225: ...APPENDIX REV A J 2 7 J Bl Figure A 36 LQ 510 Printer Cover B Case Outline Drawing LQ 510 A 33 ...
