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Epson LQ-850 User Manual - Page 145

access to the optional interface connector., printer to allow

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Interface Boards 6. Slip the control panel back through the upper case. With the control panel free of the upper case, tilt the case straight back to detach the rear hinges, and then lift it off. 7. Remove the shield plate at the back of the printer to allow access to the optional interface connector. 7-27

Section	Page
FRONT MATTER	1
CONTENTS	4
ABOUT THIS GUIDE	9
INTRODUCTION	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	18
Assembling the Printer	19
Installing the platen knob	19
Installing the ribbon	20
Attaching the paper guide	22
Testing the Printer	24
Loading a sheet of paper	24
Running the self test	27
Connecting the Printer to Your Computer	30
The parallel interface	31
The serial interface	32
CHAP 2-PAPER HANDLING	33
Using Single Sheets	34
Reloading during printing	37
Using Continuous Paper	38
Positioning your continuous paper supply	43
Switching Between Continuous and Single	44
Switching back to continuous paper	47
Printing on Special Paper	48
The paper thickness lever	48
Multi-part forms	50
Labels	50
Envelopes	51
CHAP 3-USING THE PRINTER	53
Operating the Control Panel	54
Lights	54
Buttons	55
SelecType	56
Other control panel features	57
Setting the DIP Switches	58
Page Length	61
Skip Over Perforation	62
Adjusting the Loading Position	64
The loading position	64
Micro adjustment	64
Short Tear Off	66
Selecting Typestyles	68
Character fonts	68
Character pitch	70
Condensed mode	71
If SelecType does not work	71
Selecting Character Sets	72
Choosing a character set	72
Choosing a character table	73
CHAP 4-SOFTWARE AND GRAPHICS	77
Software	78
Choosing from a menu	78
A quick test	79
Computer-printer communications	79
Word processors	80
Spreadsheets	82
Graphics programs	83
Graphics	84
The print head	85
The graphics command	88
Column reservation numbers	89
A simple graphics program	90
Using hand-calculated data to print graphics	90
Individual graphics options commands	94
Reassigning command	95
User-Defined Characters	96
Designing your characters	96
Sending information to the LQ	100
Printing user-defined characters	103
Copying ROM characters to RAM	103
Letter Quality characters	104
CHAP 5-MAINTENANCE	107
Replacing the Ribbon	108
Transporting the printer	110
Cleaning the Printer	112
CHAP 6-TROUBLESHOOTING	113
Troubleshooting	114
Problems and solutions	114
Data dump mode	117
CHAP 7-USING PRINTER OPTIONS	119
The Cut Sheet Feeder	120
Assembly	121
Installation	122
Setting the sheet feeder mode	125
Recommended paper	125
Paper loading	126
Envelope	128
Using the cut sheet feeder	129
Software operation	129
Setting up your software	130
Control panel operation	131
Testing the printer in the cut sheet feeder mode	132
Switching between cut sheet feeder and continuous paper	132
The Pull Tractor	134
Installation and use	135
When you are finished printing	140
Using the pull tractor alone	140
Removing the pull tractor	141
Interface Boards	142
Compatible interfaces	142
Installing the interface board	143
The Multi-Font Module	152
Using the Multi-Font Module	154
The Emulation Module	156
CHAP 8-TECHNICAL SPECIFICATIONS	157
Printer Specifications	158
Printing	158
Paper	159
Mechanical	160
Electrical	161
Environment	161
Interface Specifications	162
Parallel interface	162
Serial interface	165
CHAP 9-COMMAND SUMMARY	167
The Command Summary	168
Commands in Numerical Order	171
Commands Arranged by Topic	174
Printer Operation	174
Data Control	179
Vertical Motion	179
Horizontal Motion	184
Overall Printing Style	188
Print Size and Character Width	189
Print Enhancement	192
Word Processing	197
Character Tables	198
User-defined Characters	199
Graphics	201
GLOSSARY	204
INDEX	211
QUICK REFERENCE	216