Oki MICROLINE 591Elite User manual

User Guide
People to People Technology
MICROLINE
590/591Elite
IBM-/EPSON

i
Note To Customers
Everyefforthasbeenmadetoensurethattheinformationinthisdocumentiscomplete,
accurate and up-to-date. Mention of software packages manufactured by other
companies does not necessarily constitute endorsement by Oki. We do not assume
responsibility for errors beyond our control, nor can Oki guarantee that changes in the
softwareandequipmentmadebyothermanufacturersandreferredtointhisbookwill
not affect the applicability of information in this book.
© Copyright 1994 by Oki.
Oki is a registered trademark of Oki Electric Industry Co. Ltd.
Microline is a registered trademark of Oki Electric Industry Co. Ltd.
Epson is a registered trademark of Seiko Epson Corp.
IBM,IBM PC, PC XT andPC AT are registered trademarksof International Business
Machines Corp.
SWISS®is a trademark of Bitstream, Inc.

ii
Introduction
Oki ML590/91 Elite printers are now equipped with the latest Epson printer control
language called ESC/P2. While supporting ESC/P commands as its subset, ESC/P2
also provides:
– Fonts which can be defined by point size and pitch in one command.
– Fontscalingbetween8and64points(Courier,RomanandSwisstypefaces).
– Enhanced raster graphics mode.
YourMicroline590/591EliteincorporatesINTELLIGENTHEADTECHNOLOGY,
Oki’s proprietary method for improving paper handling and print quality. It
automatically senses the thickness of the loaded paper and adjusts the head gap prior
toprinting.Thereforewithawkwardmedialikeenvelopes,multipartformsetc.,itcan
compensate for changes in the thickness of paper. Auto head gap technology means
superior print quality, especially on multi-part forms. It is simple to use as no manual
adjustment is necessary when changing paper types.
Other features of the ML590/591 Elite include:
– Zero tear for better forms management.
– Elimination of the bail arm, for a clearer and more versatile paper path.
– Seven resident fonts (including draft).
– Optional colour ribbon kit.
– Optional bottom push tractor unit, with stand and metal tear bar.
– Optional roll paper stand (ML590 Elite only).
– Single and dual bin cut sheet feeder assemblies.
– Eight resident bar code fonts.
– Fast Letter Quality printing at 120 cps and Draft at 360 cps (at 12 CPI).

iii
Contents
Selecting Drivers ....................................................................................... vi
Chapter 1: Setup ....................................................................................... 1–1
Preliminaries .......................................................................................... 1–2
Connecting to Your Computer............................................................... 1–3
Installing the Ribbon Cartridge.............................................................. 1–4
Installing the Paper Guide...................................................................... 1–5
Self Adjust Function .............................................................................. 1–6
Loading Rear Feed Continuous–Form Paper......................................... 1–7
Loading Single Sheet Paper ................................................................... 1–9
Printable Area ........................................................................................ 1–10
Setting the Top Of Form (TOF)............................................................. 1–10
Paper Park .............................................................................................. 1–11
Printing on Continuous–Form Paper with the CSF Installed................. 1–12
Clearing Paper Jams............................................................................... 1–13
Running a Self Test................................................................................ 1–14
Optional Accessories ............................................................................. 1–15
Chapter 2: Operation................................................................................ 2–1
Using the Control Panel ......................................................................... 2–1
Basic Controls........................................................................................ 2–1
Switch Combinations ............................................................................. 2–2
Button Functions in Menu Select Mode .................................................2–3
Print Characteristics ............................................................................... 2–4
Using the Menu Select Mode................................................................. 2–7
Entering the Menu Select Mode ............................................................ 2–7
Menu Selections ..................................................................................... 2–9
Explanation of Menu Terms .................................................................. 2–14
Cleaning ................................................................................................. 2–19
Problem Solving..................................................................................... 2–20
Printer Specifications ............................................................................. 2–21

iv
Chapter 3: Control Code Reference................................................... 3–1
Print Quality ........................................................................................... 3–1
Select Typeface...................................................................................... 3–2
Italics...................................................................................................... 3–3
Outline and Shadow............................................................................... 3–3
Character Pitch ....................................................................................... 3–3
Pitch ....................................................................................................... 3–4
Proportional Spacing.............................................................................. 3–4
Double Width ......................................................................................... 3–5
Compressed Printing.............................................................................. 3–5
Double Height........................................................................................ 3–6
Colour Printing....................................................................................... 3–8
Underlining ............................................................................................ 3–8
Overscore ............................................................................................... 3–9
Sub-/Superscript..................................................................................... 3–9
Bar Code Selection ................................................................................ 3–10
Combined Commands............................................................................ 3–11
Select Font ............................................................................................. 3–13
National Characters................................................................................ 3–16
All Character Set.................................................................................... 3–21
Code Page .............................................................................................. 3–22
Set Left and Right Margins.................................................................... 3–24
Justification............................................................................................ 3–25
Horizontal Tabs...................................................................................... 3–26
Vertical Tabs.......................................................................................... 3–27
Horizontal Dot Position ......................................................................... 3–30
Space Backwards ................................................................................... 3–30
Line Feed ............................................................................................... 3–32
Line Spacing .......................................................................................... 3–34
Form Feed/Form Length........................................................................ 3–35
Top of Form ........................................................................................... 3–36
Carriage Return...................................................................................... 3–37
Backspace .............................................................................................. 3–37
Reset....................................................................................................... 3–37
Clear Buffer ........................................................................................... 3–38

v
Delete One Character............................................................................. 3–38
Automatic Line Feed.............................................................................. 3–38
Unidirectional Printing........................................................................... 3–39
Printing Speed........................................................................................ 3–39
Print Suppress Mode.............................................................................. 3–40
Paper Out Sensor.................................................................................... 3–40
Emulation Mode..................................................................................... 3–40
Insert Page.............................................................................................. 3–41
Eject Page............................................................................................... 3–41
Cut Sheet Feeder Control....................................................................... 3–41
Chapter 4: ESC/P2 Command Summary............................................... 4–1
All Character Mode................................................................................ 4–1
Set Unit .................................................................................................. 4–1
Set Page Length ..................................................................................... 4–1
Set Page Format ..................................................................................... 4–2
Relative Vertical Print Position ............................................................. 4–2
Absolute Vertical Print Position ............................................................ 4–3
Set Font By Pitch And Point.................................................................. 4–3
Set Font Of Pitch And Point .................................................................. 4–4
Set Horizontal Motion Index (HMI) ...................................................... 4–4
Set Character Table................................................................................ 4–5
Set Raster Graphics Mode ..................................................................... 4–5
Print Raster Graphics ............................................................................. 4–6
Appendix A: Control Code Tables .......................................................... A–1
Appendix B: Character Code Tables ...................................................... B–1
IBM Character Sets................................................................................ B–1
Epson Character Sets ............................................................................. B–9
Appendix C: Interfacing........................................................................... C–1
Parallel Interfacing ................................................................................. C–2
Serial Interfacing (RS-232C) ................................................................. C–5
Serial Interfacing (RS-422A)................................................................. C–7
Menu Selections for Serial Interfacing .................................................. C–10
Local Tests ............................................................................................. C–11
Communication Procedures ................................................................... C–12

vi
Selecting Drivers
Printerdriversareusuallywrittenforaparticularmodelofprinterandidentifiedbythe
name of that printer. Although most packages offer several selections, they cannot
havedriversforeveryprinter.Therefore, youmay havetochooseadriverthatwas not
specifically written for the ML590/591 Elite but is compatible or nearly so. Installing
adriver is normally a simpleprocess of making a selectionfrom a menu. Look forone
ofthe following printers on your software’sprinterdriver selection. As you go further
down each list, you will have access to fewer ML590/591 Elite features.
The ML590/591 Elite is the successor to the ML390/391 but with added features. It is
thereforepossibletousetheML390/391printerdriverinplaceoftheML590/591Elite
driver.
IBM EPSON
EMULATION EMULATION
Oki ML590/591 Oki ML590/591
ML390/391 ML390/391
IBM PPR (XL24E) Epson (LQ-850, LQ-1050, LQ-870 and
LQ-1170)
IBM AGM

vii
IMPORTANT
The wires in this mains lead are coloured in accordance with the following code:
GREEN AND YELLOW EARTH
BLUE NEUTRAL
BROWN LIVE
Asthecoloursofthewiresinthemainsleadofthisapparatusmaynotcorrespondwith
the coloured markings identifying the terminals in your plug—PROCEED AS
FOLLOWS:
The wire coloured GREEN AND YELLOW must be connected to the terminal in the
plug marked with the letter E or by the safety earth symbol or coloured GREEN or
GREEN AND YELLOW. The wire coloured BROWN must be connected to the
terminal marked with the letter L or coloured RED. The wire coloured BLUE must be
connected to the terminal marked with the letter N or coloured BLACK or BLUE.
Ensure that the mains socket outlet is situated near your printer, for easy access.
WARNING: THIS APPARATUS MUST BE EARTHED
Ensure that your equipment is connected correctly. If you are in any doubt consult a
qualified electrician.

1 – 1
Choose a sturdy table, desk or printer stand to place your printer on when you remove
it from the carton box. Remove the styrofoam sides – be sure to save all packing
materials in case you need to ship the printer again – and check the box for these
contents:
●Oki Microline 590/591 Elite printer
●Paper guide
●AC mains cable
●Platen knob (fitted)
●Ribbon cartridge
●Printer handbook
Note: If any of these items is missing or damaged, see your dealer for a
replacement.
Interface cable and paper are sold separately.
If paper guide is not found in the accessories pack, it may already
be installed in the printer.
Setup 1
SEL
SEL
MENU SHIFT
LF
MICROFEED
DOWN
FF/LOAD
MICROFEED
DOWN
TEAR PARK TOP
TOF
TOF
PRINT QUALITY
CHARACTER PITCH
AC Mains cable
Platen knob
Printer
Paper guide
Ribbon
☞

1 – 2
Preliminaries
Open the access cover and remove the shipping retainer. (Save the shipping retainer
with the packaging materials, in case you need to ship the printer).
The platen knob should already be installed, however, if this is not the case , or it has
been removed for any reason, the flat side of the shaft should be lined up with the flat
side of the knob (see diagram).
POWER
SEL
MENU SHIFT
LF
MICROFEED
DOWN
FF/LOAD
MICROFEED
DOWN
TEAR PARK
QUIET
TOF
SEL
PRINT
SET
ITEM
GROUP
ALARM
PRINT QUALITY
CHARACTER PITCH
TOF
Shipping retainer
Platen knob
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1
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