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Epson EPL-7000 User Manual - Page 221

Interface, Specifications, level is HIGH, and cannot accept data

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Interface Specifications Signal Pin RS-232C 20 DTR RS-422 Direction Description OUT Data terminal ready. This pin indicates whether or not the printer is ready to receive data. If the printer ready protocol is not selected, this pin is always HIGH (i.e. the printer is ready to receive data). If printer ready protocol is selected, the printer can accept data when the pin level is HIGH, and cannot accept data when the pin level is LOW. When the DTR signal goes LOW the host computer must stop sending data within 128 characters. Can be set HIGH or LOW with SelecType. • Although RTS, CTS, DSR, DTR, and DCD are designated as RS-232C signals, they can also be used when RS-422 is selected with SelecType. Technical Specifications 8-15

Section	Page
FRONT MATTER	1
TABLE OF CONTENTS	8
INTRODUCTION	11
FINDING YOUR WAY AROUND	18
CHAP 1-SETTING UP THE PRINTER	20
Finding a Place for the Printer	21
Opening the printer cover	23
Unpacking the Printer	25
Carrying the printer	29
Assembling the Printer	30
Installing the cleaning pad	30
Installing the imaging cartridge	32
Installing the paper cassette	38
Attaching the power cord	40
CHAP 2-TESTING AND CONNECTING YOUR PRINTER	42
The Control Panel	43
Display	43
Indicator lights	44
Buttons	45
Testing the Printer	47
Loading paper a test print 250	47
Turning on the printer	50
Selecting and running a test print	51
Printing a status sheet	54
Adjusting print density	55
Connecting the Printer to Your Computer	58
Sharing the printer	58
Choosing an interface	59
Connecting the parallel interface cable	59
Connecting the serial interface cable	61
CHAP 3-SELECTYPE	64
SelecType Overview	65
SelecType Level 1 functions	66
SelecType Level 2 functions	67
Using SelecType	68
The control panel	68
The display	68
Buttons	69
Steps to using SelecType	70
Selecting Channel and Mode	75
Channels	75
Available printer modes	75
Setting the Channel and Printer mode with the CH CONFIG Option	76
SelecType Options	78
Level 1 options	78
Level 2 options	87
Choosing a Font	99
HP emulation mode	99
LQ and FX emulation modes	100
Using the SUB CONFIG Option	101
HP emulation mode	101
LQ and FX emulation modes	104
CHAP 4-PAPER HANDLING	111
Choosing Paper	112
Choosing a Paper Size	115
Choosing Printing Methods	116
Paper delivery method	116
Paper feed method	117
Loading Paper in the Cassette	119
Loading Paper Manually	123
CHAP 5-APPLICATION SOFTWARE	126
Using Your Printer with Application Software	127
Using printer selection menus	127
Printing a test file	129
Controlling the Printer	130
Word processors	130
Spreadsheets	130
Graphics programs	131
Integrated packages	132
Desktop publishing programs	132
CHAP 6-MAINTENANCE AND TRANSPORTATION	133
TONER LOW Message	134
TONER OUT message	134
Removing the imaging cartridge	134
Cleaning the transfer charger wire	136
Cleaning the glass lens	138
Replacing the cleaning pad	139
Replacing the imaging cartridge	142
Routine Cleaning	146
Replacing the ozone filter	146
Cleaning inside the printer	148
Cleaning the roller in the paper path	149
Cleaning the paper feed roller	151
Removing spilled toner	152
Cleaning the printer case	153
Transporting Your Printer	154
Packing for transportation	154
Unpacking the printer after transportation	157
CHAP 7-TROUBLESHOOTING	158
Status and Error Messages	159
Troubleshooting Directory	167
Paper Jam Problems	169
Clearing a feed jam	169
Clearing a paper jam	172
Power Supply	177
Test Print	178
Printing Problems	179
Problems with Graphics	183
SelecType Problems	185
Paper Handling	188
Decline in Print Quality	193
Options	200
Using Data Dump Mode	205
CHAP 8-TECHANICAL SPECIFICATION	207
Printer Specifications	208
Printing	208
Paper and paper delivery	209
Consumable products	212
Mechanical	213
Electrical	214
Environmental	214
Interface Specifications	215
Parallel interface	215
Serial interface	218
Initialization	222
Default settings in HP emulation mode	223
Default settings in LQ and FX emulation modes	225
Option Specifications	227
Lower paper cassette	227
Face-up output tray	228
APPENDIX A-OPTIONS	229
The Font Cartridges	230
Compatible font cartridges	230
Inserting a font cartridge	232
Selecting a font with your application program	234
Selecting a font with SelecType	235
Removing a font cartridge	236
Recovering from a cartridge error	237
The Lower Paper Cassette	238
Installing the lower paper cassette	238
Loading the paper	244
Operating the lower paper cassette	247
Cleaning the feed rollers	250
The Face-up Output Tray	252
Installing the face-up output tray	252
Removing the face-up output tray	257
Memory Options	258
When to increase the printer memory	259
The Memory Chip Set	260
Removing the controller board	260
Installing the chip set	262
Reinstalling the controller board	267
Checking the chip set	268
The Memory Expansion Boards	270
Installing a board	272
Checking the board	275
APPENDIX B-CHARACTER SAMPLES AND SYMBOL SETS	276
Available Fonts and Symbol Sets	277
Resident fonts	277
Symbol sets	278
HP Emulation Mode	279
Resident fonts	279
LQ and FX Emulation Modes	287
Resident fonts	287
Character sets	287
Converting Hexadecimal Numbers to Decimals	291
APPENDIX C-PRINTER MODES	292
Available Printer Modes	293
HP Emulation Mode	294
Operating as an HP LaserJet series IIP printer	294
HP emulation command summary	296
LQ and FX Emulation Modes	302
Operating as an LQ or FX series printer	302
LQ and FX emulation mode command summary	302
GLOSSARY	309
INDEX	317
QUICK REFERENCE	323