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Epson LQ 870 User Manual - Page 126

Interface Timing, The below shows the timing for the parallel interface.

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Interface Specifications Interface timing The figure below shows the timing for the parallel interface. BUSY AKm D A TA STROBE Technical Specifications 7-13

Section	Page
FRONT MATTER	1
CONTENTS	6
INTRODUCTION	8
Features	8
Options	9
Finding Your Way Around	10
Warnings, Cautions, and Notes	10
Printer Parts	11
CHAP 1-SETTING UP THE PRINTER	14
Unpacking the Printer	15
Checking the Parts	15
Removing the Protective Materials	16
Choosing a Place for the Printer	17
Assembling the Printer	19
Installing the Ribbon Cartridge	19
Attaching the Paper Guides	22
Testing the Printer	23
Plugging in the Printer	23
Running the Self Test	24
Connecting the Printer to Your Computer	27
Configuring Your Software for the Printer	28
Choosing from a menu	28
CHAP 2-PAPER HANDLING	29
Selecting a Paper Feeding Method	30
Setting the Paper-Release Lever	30
Using Single Sheets	32
Loading Single Sheets from the Top	32
Loading Single Sheets from the Front	34
Using Continuous Paper	36
Tractor Position and Available Paper Paths	36
Changing Tractor Positions	37
Loading Continuous Paper with the Front Push-Tractor	40
Removing Continuous Paper from the Front Push-Tractor	42
Loading Continuous Paper with the Rear Push-Tractor	43
Removing Continuous Paper from the Rear Push-Tractor	45
Loading Continuous Paper with the Pull-Tractor	46
Removing Continuous Paper from the Pull-Tractor	49
Switching Between Continuous and Single Sheets	50
Switching to Single Sheets	50
Switching to Continuous Paper	52
Printing on Special Paper	53
Setting the Paper-Thickness Lever	53
Multi-Part Forms	54
Labels	55
Envelopes	56
CHAP 3-USING THE PRINTER	57
Control Panel	58
Lights	58
Buttons	59
Other Control-Panel Features	61
DIP Switches	62
Changing a DIP-Switch Setting	62
DIP-Switch Tables	63
DIP-Switch Functions	65
Micro Feed	69
Using Micro Feed	69
Adjusting the Loading Position	70
Tear Off	72
Using the Tear-Off Mode	72
Using the TEAR OFF Button	73
Adjusting the Tear-Off Position	74
Typestyles	75
Character Fonts	75
Character Pitch	78
Data Dump Mode	79
CHAP 4-USING THE PRINTER OPTIONS	80
Cut-Sheet Feeders	81
Installing a Cut-Sheet Feeder	81
Loading Paper with the Single-Bin Cut-Sheet Feeder	82
Loading Paper or Envelopes with the High-Capacity Cut-Sheet Feeder	85
Assembling the Dduble-bin Cut-Sheet Feeder	88
Switching Between Continuous Paper and the Cut-Sheet Feeder	90
Additional Tractor Unit	92
The Tractor Positions and Paper Paths	92
Using Two Tractor Units in Combination	93
Interface Card _.	95
Installing an Interface Card	95
C823051 / C823061 Serial Interface Card	97
CHAP 5-MAINTENANCE AND TRANSPORTATION	98
Cleaning the Printer	99
Replacing the Ribbon Cartridge	100
Transporting the Printer	101
CHAP 6-TROUBLESHOOTING	102
Problems and Solutions	103
Power Supply	104
Printing	105
Paper Handling	109
Options	112
CHAP 7-TECHNICAL SPECIFICATIONS	114
Printer Specifications	115
Printing	115
Paper	117
Mechanical	120
Electrical	121
Environmental	122
Interface Specifications	123
Specifications and Pin Assignments	123
Interface Timing	126
Option Specifications	127
Cut-Sheet Feeders	127
Initialization	129
Default Settings	129
CHAP 8-COMMAND SUMMARY	130
Using the Command Summary	131
Commands Arranged by Topic	132
General Operation	132
Paper Feeding	132
Page Format	133
Print Position Motion	134
Font Selection	135
Font Enhancement	136
Spacing	138
Character Handling	138
Bit Image	140
Graphics	141
APPENDIX	142
Character Tables	143
Italic Character Table	143
Graphics Character Tables	144
International Character Sets	147
GLOSSARY	148