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Epson LQ-860 User Manual - Page 250

when the, BUSY signal. Data transfer to this printer can be carried out only

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l The column heading "Direction" refers to the direction of signal flow as viewed from the printer. l "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. These cables should be shielded and connected to the chassis of the host computer and the printer. l All interface conditions are based on TTL level. Both the rise and the fall times of each signal must be less than 0.2 microseconds. l 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. Intevface timing The figure below shows the timing for the parallel interface. Technical Specifications 8-13

Section	Page
FRONT MATTER	1
CONTENTS	6
INTRODUCTION	9
Features	9
Options	10
About This Manual	12
Application Notes	14
Where to Get Help	14
CHAP 1-SETTING UP THE PRINTER	15
Unpacking the Printer	16
Checking the Parts	16
Removing the Protective Materials	17
Choosing a Place for the Printer	20
Assembling the Printer	22
Installing the Platen Knob	22
Installing the Ribbon Cartridge	23
Attaching the Paper Guide	28
Testing the Printer	30
Plugging in the Printer	30
Running the Self Test	30
If the Self Test Doesn’t Print If the self test does not print properly, check the control panel and the print head area. If paper is jammed, turn off the printer and remove the paper using the platen knob. See that all packing material and shipping rest	37
Connecting the Printer to Your Computer	41
The Parallel Interface	42
The Serial Interface	43
Setting Up Your Application Software	46
Choosing From a Menu	46
CHAP 2-PAPER HANDLING	47
Selecting a Paper Feeding Method	48
Using Single Sheets	49
Loading Paper	49
Reloading During Printing When you print a document of more than one page using single- sheet paper, the printer stops printing when it reaches bottom of the page. Your application program may take printer off line automatically. However, if the light re	53
Using Continuous Paper	54
Positioning Your Continuous Paper Supply	54
Loading Continuous Paper	55
Switching Between Continuous and Single Sheets	62
Switching to Single Sheets	62
Switching Back to Continuous Paper	66
Printing on Special Paper	69
The Paper Thickness Lever	69
Multi-part Forms	73
Labels	74
Envelopes	76
CHAP 3-USING THE PRINTER	78
Operating the Control Panel	79
Lights	79
Buttons	80
SelecType	81
Other Control Panel Features	82
Setting the DIP Switches	83
Changing a DIP Switch Setting	83
The DIP Switch Tables	84
The DIP Switch Functions	87
Adjusting the Loading Position	91
The Loading Position	91
Using Micro-adjustment	92
Using Short Tear-off	94
Using the DIP Switch	94
Using the Tear off Button	96
Adjusting the Tear-off Position	97
Selecting Typestyles	98
Character Fonts	98
Character Spacing	101
Selecting a Character Set and Table	103
Selecting an International Character Set	103
Choosing a Character Table	105
Using the Data Dump Mode	106
CHAP 4-SOFTWARE AND GRAPHICS	108
Enhancing Your Printing	109
Print Quality and Fonts	109
Character Spacing	110
Character Size	111
Special Effects and Emphasis	112
Graphics	115
Color Graphics	116
The Print Head	116
The Graphics Command	118
Column Reservation Numbers	119
A Simple Graphics Program	120
Designing Your Own Graphics With	121
User-defined Characters	126
Designing Your Characters	126
Defining Your Characters	128
Sending Information to Your Printer	130
Printing User-defined Characters	133
Copying ROM Characters to RAM	134
Letter Quality Characters	135
Mixing Print Styles	136
CHAP 5-USING THE PRINTER OPTIONS	138
The Cut Sheet Feeder	139
Installation	139
Loading Paper	144
Testing the Printer in the Cut Sheet Feeder Mode	147
Loading Envelopes	149
Operating the Cut Sheet Feeder	151
Using Continuous Paper	153
Loading Single Sheets	158
Removing the Cut Sheet Feeder	159
The Pull Tractor	162
Installation	162
Paper Handling	165
Removing the Pull Tractor	171
The Multi-Font Module	174
Installation	178
Selecting a Font	179
The Interface Boards	181
Choosing an Interface	181
Compatible Interfaces	181
Installation	182
CHAP 6-MAINTENANCE	190
Cleaning the Printer	191
Replacing the Ribbon	193
Transporting the Printer	198
CHAP 7-TROUBLESHOOTING	201
Problems and Solutions	202
Power Supply	204
Printing	205
Paper Handling	216
Options	227
CHAP 8-TECHNICAL SPECIFICATIONS	238
Printer Specifications	239
Printing	239
Paper	241
Mechanical	245
Electrical	246
Environment	247
Interface Specifications	248
Parallel Interface	248
Serial Interface	251
Option Specifications	253
Cut Sheet Feeder and Single sheet: (82g/m) paper	253
Initialization	255
Default Settings	256
CHAP 9-COMMAND SUMMARY	257
Data Flow Process	258
Using the Command Summary	259
Examples	260
Control Key Chart	261
Commands in Numerical Order	262
Commands Arranged by Topic	265
Printer Operation	265
MSB Control	268
Data Control	269
Vertical Motion	270
Horizontal Motion	276
Overall Printing Style	279
Print Size and Character Width	282
Print Enhancement	286
Word Processing	291
Character Tables	292
User-defined Characters	294
Graphics	296
APPENDIX	299
Proportional Width Table	300
Character Tables	304
GLOSSARY	306