Oki 490 - Manuals - manualsarea.com

Page 2 - Mailing Address; As an E; Partner, Oki Data has; guidelines for energy

2 Every effort has been made to ensure that the information inthis document is complete, accurate, and up-to-date. Oki Dataassumes no responsibility for the results of errors beyond itscontrol. Oki Data also cannot guarantee that changes insoftware and equipment made by other manufacturers andreferr...

Page 3 - Safety

3 Safety Your Oki printer has been carefully designed to give you yearsof safe, reliable performance. As with all electrical equipment,there are a few basic precautions you should take to avoidhurting yourself or damaging the printer: • Carefully read all setup and operating instructions. Be sure to...

Page 5 - Contents

5 Safety ............................................................................ 3 Chapter 1: Introduction ............................................. 7 Printer Features ............................................................................... 7 Chapter 2: Helpful Hints ...................

Page 7 - Chapter 1: Introduction; Oki Data on the Internet; You may reach Oki Data via the Internet at:; Printer Features; • Advanced paper handling, with built-in rear push tractor and

7 Chapter 1: Introduction Oki Data on the Internet The Oki Data Web Sites provide the most current informationavailable on your printer. On-line documents are available for viewing and downloadingvia Oki Data’s Web Sites. You may reach Oki Data via the Internet at: • www.okidata.com • my.okidata.com...

Page 8 - Chapter 2: Helpful Hints; Saving Time; Internet Support; Oki Data provides support via the Internet:; Paper Park; Note: This feature is normally turned off.

8 Chapter 2: Helpful Hints Saving Time Internet Support Oki Data provides support via the Internet: • www.okidata.com is the main web site, the gateway to Oki Data’s products and services. • http://my.okidata.com is a powerful area of Oki Data’s web site designed to help you personalize the informat...

Page 9 - Operation Tips; Turning the Platen Knob; When Limited Operation is selected, the; and; keys don’t work. This prevents these

Helpful Hints 9 Operation Tips Top of Form (TOF) Top of Form (TOF) sets the print start position. The factorydefault is 1" from the top. The Top of Form can be changed in increments of 1/180",either for a single print job or set to a new default. The overallamount of adjustment is limited to...

Page 10 - Chapter 3: Using Your Printer; Parts Identification: Rear Feed; Note: The serial number of your printer is on a label on the

10 Note: For rear feed, the paper lever must be forward. Chapter 3: Using Your Printer Parts Identification: Rear Feed (Continuous Forms) Note: The serial number of your printer is on a label on the back, beside “S/N.” Sheet Guide Paper Lever On-Off Switch Platen Knob Control Panel Acoustic Cover Ac...

Page 11 - Parts Identification: Top Feed; Paper Guides

Using Your Printer 11 Parts Identification: Top Feed (Single Sheets) Paper Guides Sheet Guide Paper Lever On-Off Switch Platen Knob Control Panel Acoustic Cover (open) Note: For single-sheet printing, the paper lever must be in the middle position.

Page 13 - Determining if Forms Tear-Off is Off or On

Using Your Printer 13 Determining if Forms Tear-Off is Off or On There are two ways to determine the status of the FormsTear-Off menu setting: • Print the Menu. • Use the TEAR key. To print the Menu: 1 Make sure paper is loaded. 2 Hold SHIFT (2), then press SEL (1) to enter the Menu Mode. 3 Press PA...

Page 14 - With paper loaded and the printer on and selected:; • Press; When you have the TOF set where you want it, press and; hold; Press; (1) to save the setting and place the printer

14 Microline 490/491 User’s Guide Setting Top of Form (TOF): Forms Tear-Off OFF (Default Setting) Important! If you turn the platen knob when the printer is on, the Top ofForm misaligns. Always turn the printer off before turningthe platen knob! Note: The first line prints at the red line (1) of the...

Page 15 - Forms Tear-Off Set to ON

Using Your Printer 15 Setting Top of Form (TOF): Forms Tear-Off Set to ON Important! If you turn the platen knob when the printer is on, the Top ofForm misaligns. Always turn the printer off before turningthe platen knob! Note: The first line prints at the red line (1) of the plastic paper shield on...

Page 16 - Important; to deselect the printer.; Press; to lower the position of the Top of Form.; Resetting Top of Form to the Factory Default; To reset the Top of Form to the factory default:; Remove paper from the paper path.; Turn the printer off.; Press and hold; while turning on the

16 Microline 490/491 User’s Guide Temporarily Changing the Top of Form Position Important Do not use the platen knob to change the Top of Form. If youturn the platen knob when the printer is turned on, the Top ofForm misaligns. Always turn the printer off before turningthe platen knob! To move the T...

Page 17 - Forms Tear-Off Feature; Note: This feature is normally turned off. To use Forms; Notes: The status of the Forms Tear-Off menu setting affects; Potential Problems with Software Packages; If this occurs, use the menu to turn off this feature, then use the; key to move the paper up to the tear position manually

Using Your Printer 17 Forms Tear-Off Feature Note: This feature is normally turned off. To use Forms Tear-Off, you must enter the menu and change thesetting to the desired time interval (see next page). The Forms Tear-Off feature allows a printed continuous formspage to be torn off without wasting p...

Page 18 - Changing the Forms Tear-Off Setting; Press; Manual Forms Tear Off; or

18 Microline 490/491 User’s Guide Changing the Forms Tear-Off Setting Note: The default setting for Forms Tear-Off is OFF. To change the Forms Tear-Off setting: 1 Press SHIFT (2) + SEL (1). 2 Press GROUP (3) repeatedly until the Rear Feed or Bottom Feed group shows in the first column of the printed...

Page 19 - Changing Paper Paths; Continuous Forms to; Tear off any printed pages, then press; Pivot the wire feed guide into the sheet guide.; then place a sheet of paper in the sheet guide.

Using Your Printer 19 Changing Paper Paths Continuous Forms to ÿ Single Sheets 1 Tear off any printed pages, then press PARK . 2 Raise the sheet guide (1) to the single-sheet feed position. 3 Pivot the wire feed guide into the sheet guide. 4 Move the paper lever (1) to the middle position marked “TO...

Page 21 - Setting; Printhead Gap

Using Your Printer 21 To adjust the gap, open the access cover and move the bluelever (1) to the recommended setting from the table. Setting Media 1 Regular paper 2 2-part form (with carbon) 3 3-part form (with carbon) 4 4-part form (with carbon) 5 Envelopes or extra thick paper Note: When the head ...

Page 22 - Print Quality; Utility

22 Microline 490/491 User’s Guide Print Quality Important! Front panel settings for print quality and character pitch arenormally overridden by software commands. Press PRINT QUALITY (1) to select: LQ: Letter Quality [LQ light on] • Highest quality, slowest speed • Choice of 7 typefaces Utility [UTI...

Page 23 - Typeface

Using Your Printer 23 Typefaces: LQ Mode Important! Front panel settings for print quality and typeface arenormally overridden by software commands. To select the typeface you wish to use, press PRINT QUALITY (1) until the appropriate front panel lights are on: Typeface Lights on Courier LQ and COUR...

Page 24 - Character Pitch; Set the character pitch by pressing

24 Microline 490/491 User’s Guide Character Pitch Important! Front panel settings for character pitch are normallyoverridden by software commands. Character pitch determines how many characters will print oneach line. You can choose a specific fixed width for eachcharacter of from 10 to 20 character...

Page 25 - Printer Reset; The; Emulations; Changing Emulations; The following line prints:

Using Your Printer 25 Printer Reset Clearing some error conditions requires that you reset(reinitialize) the printer. To do this: 1 Press and release SEL (1) to take the printer off-line. The SEL light goes out. 2 Press and hold SHIFT (2), then press RESET / CHARACTER PITCH . Important! Pressing SHI...

Page 26 - GROUP Key; ITEM Key; SET Key; PRINT Key; MENU Light; Menu Mode Keys

26 Chapter 4: Menu Mode GROUP Key Prints the next Group in the Menu. With the SHIFT key, prints the previous Group. ITEM Key Prints the next Item in the Group. With the SHIFT key, prints the previous Item in the Group. SET Key Prints the next setting for an Item. With the SHIFT key, prints the previ...

Page 27 - Entering and Exiting Menu Mode; Note: Please print the current Menu Mode settings before you; Printing the Menu Settings; Printing the Current Menu Settings

Menu Mode 27 Entering and Exiting Menu Mode To enter or exit the Menu Mode, hold SHIFT while pressing SEL . Resetting the Menu to the Factory Defaults Note: Please print the current Menu Mode settings before you reset or change them. This is the only way to have arecord of the settings. To reset the...

Page 28 - Changing the Menu Settings

28 Microline 490/491 User’s Guide Changing the Menu Settings Note: Please print the current Menu Mode settings before you reset or change them. This is the only way to have arecord of the settings. 1 Press and hold SHIFT , then press SEL to enter the Menu Mode. 2 Use the GROUP , ITEM and SET keys to...

Page 29 - Menu Settings Table; Group; Settings (Defaults are set in bold italic)

Menu Mode 29 Menu Settings Table For a complete explanation of each menu item, see “Explanations of Menu Items” later in this chapter. The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bolditalic. Some groups or entries will...

Page 30 - Settings (Defaults are set in bold italic)

30 Microline 490/491 User’s Guide Menu Settings Table (Continued) Group Item Settings (Defaults are set in bold italic) Rear Feed Line Spacing 6 LPI, 8 LPI Form Tear-Off Off, 500 ms, 1 sec, 2 sec Skip Over Perforation No, Yes Page Width (wide model) 13.6", 8" Page Length 11", 11-2/3"...

Page 35 - Explanations of Menu Items

Menu Mode 35 Explanations of Menu Items These explanations are in alphabetical sequence to make iteasier to look them up. Some items only appear when optionalaccessories are installed; others appear in several groups in themenu. Auto CR, Default =No IBM Only. If you want the printer to automatically...

Page 37 - • Buffer Print: prints out the buffer contents before resetting.

Menu Mode 37 DTR Signal, Default = Ready on Power Up Appears only when the optional Serial Interface is installed.Change to Ready on Select if the DTR signal is required whenthe printer is selected (leave as Ready on Power Up if the DTRsignal is required when the printer is turned on). Emulation Mod...

Page 38 - Change to Limited Operation to deactivate the; buttons, so that these features can; key while turning on the printer.; Sets the signal on pin 18 to +5 volts or open.

38 Microline 490/491 User’s Guide Operator Panel Function, Default = Full Operation Change to Limited Operation to deactivate the PRINT QUALITY and CHARACTER PITCH buttons, so that these features can only be controlled through your software. This prevents thesefrom being changed from the control pan...

Page 39 - Choose the quality and typeface of printing.

Menu Mode 39 Power Save Time, Default = 5 min Sets the interval the printer waits for more data before it goesinto the power save mode. Power Saving must be set to enable(the factory default) for this to be effective. Power Saving, Default = Enable Change to Disable if you wish to prevent the printe...

Page 40 - Change to Double for double width and height printing.

40 Microline 490/491 User’s Guide Serial Data 7/8 Bits, Default = 8 Bits Appears only if the optional Serial Interface is installed.Change to 7 Bits if you systems uses a 7-bit data format. SI Select Pitch 10 cpi, Default = 17.1 cpi IBM emulation only. Sets the pitch to be engaged when theprinter co...

Page 41 - Make sure the printer is turned OFF.; Open the access cover and center the printhead.; Chapter 5: Maintenance; Replacing the Ribbon Cartridge; Ribbon Cartridge Handling

41 1 Make sure the printer is turned OFF. 2 Open the access cover and center the printhead. Chapter 5: Maintenance Replacing the Ribbon Cartridge Important! Make sure you have the correct replacement ribbon for theyour printer. The wrong ribbon will not print when installedin your printer. Ribbon Ca...

Page 42 - The printhead may be HOT!; Swing the used ribbon cartridge up off the printhead, lift it; If ribbon should contact the eyes:

42 Microline 490/491 User’s Guide CAUTION! The printhead may be HOT! 3 Swing the used ribbon cartridge up off the printhead, lift it out, and discard it. 4 Unpack the new ribbon cartridge and install it. Important! Do not remove the ribbon shield (1) from the ribbon! 5 Turn the take-up knob in the d...

Page 43 - Loading Paper; Note: If you have any paper in the paper path, remove it; of the Printer

Maintenance 43 Loading Paper Rear Feed Note: If you have any paper in the paper path, remove it before installing rear feed paper. Lock Lever Upper Tractor Cover Pins Loading Rear Feed Paper from the Back of the Printer Note: These instructions assume you have ready access to the back of the printer...

Page 45 - Note: The movement of the right tractor is limited to ensure; Open the tractor covers.

Maintenance 45 6 Open the lock levers (1) and move the right tractor (as viewed from the back of the printer) to the reference mark(2) matching the width of the paper you are loading. Thenclose the lock lever on the right tractor: Note: The movement of the right tractor is limited to ensure that the...

Page 46 - Note: If the paper is too loose or too tight it can cause jams.

46 Microline 490/491 User’s Guide 8 Place continuous forms paper on the first two pins of either tractor. Important! You must keep the number of paper holes engaged on eitherpin the same. If you don’t the paper will skew and jam. 9 Close the right tractor cover. 10 Adjust the left tractor until the ...

Page 47 - 1 Lower the sheet guide and slide it toward the front of the; printer until the marks align.; 2 Place the wire guide (“1” in the illustration for the step; Note: The factory default setting for the Top of Form (where

Maintenance 47 11 Lower the sheet guide and slide it toward the front of the printer until the marks align. 12 Place the wire guide (“1” in the illustration for the step above) in the sheet guide on the pull-up roller assembly. 13 Press FF/LOAD . Note: The factory default setting for the Top of Form...

Page 48 - Loading Rear Feed Paper from the; Make sure the paper lever is forward (position marked

48 Microline 490/491 User’s Guide Loading Rear Feed Paper from the Front of the Printer Note: These instructions assume you do not have ready access to the back of the printer. If you do, go back to “LoadingRear Feed Paper from the Rear of the Printer” earlierin this chapter. Lock Lever Upper Tracto...

Page 49 - Note: The movement of the left tractor (as viewed from the; You will find reference marks (1 in illustration below) on the; printer for the two most common paper sizes:; Move the left tractor to the position to match your paper size

Maintenance 49 Note: The movement of the left tractor (as viewed from the front of the printer) is restricted to ensure that thepaper covers the paper out sensor. 5 You will find reference marks (1 in illustration below) on the printer for the two most common paper sizes: ML490: ML491: 6 Move the le...

Page 50 - Adjust the position of the right tractor to center the holes in; Reinstall the sheet guide.

50 Microline 490/491 User’s Guide 8 Adjust the position of the right tractor to center the holes in the paper on the pins. Then, close its tractor cover and pushback the lock lever. Do not stretch the paper. Note: If the paper is too loose or too tight it can cause jams. 9 Reinstall the sheet guide.

Page 51 - 0 Place the wire guide (1) in the sheet guide on the pull-up

Maintenance 51 10 Place the wire guide (1) in the sheet guide on the pull-up roller assembly. 11 Press FF/LOAD . Note: The factory default setting for the Top of Form (where the printing should begin) is 1" down from the top of thepage. To change the setting, see “Top of Form (TOF)”in Chapter 3.

Page 52 - Open the acoustic cover (1) and raise the sheet guide to the; Note: If you have continuous form paper in the path, press; to remove it before loading single sheets.; Place the paper lever in the center position (marked “TOP”).

52 Microline 490/491 User’s Guide 3 Open the acoustic cover (1) and raise the sheet guide to the single-sheet position. Pivot the wire feed guide (2) up intothe sheet guide. Top Feed (Single Sheets) Note: If you have continuous form paper in the path, press PARK to remove it before loading single sh...

Page 53 - Adjust the paper feed guides (1) for the width of the paper,; hold the; key and press the

Maintenance 53 4 Adjust the paper feed guides (1) for the width of the paper, then place a sheet of paper in the separator. The paper willfeed into the printer. Important! If the paper does not feed in, remove it. Check the paper leverposition. Make sure the ALARM light is on: if it is flashing, hol...

Page 54 - Clearing Paper Jams; Turn off the printer.; lock the tractor covers.; Lower the sheet guide, then install the pull-up roller; assembly and close the access cover.; Turn on the printer and press

54 Microline 490/491 User’s Guide Clearing Paper Jams Rear-Feed Paper Jams 1 Turn off the printer. 2 Use the platen knob to back the paper all the way out of the printer. CAUTION! Make sure the printer is turned off before you open the accesscover. 3 Open the access cover (1) and remove the pull-up ...

Page 55 - Bits of Paper Stuck in the Paper Path

Maintenance 55 Bits of Paper Stuck in the Paper Path 1 Turn off the printer. 2 Use the platen knob to back the paper all the way out of the printer. CAUTION! Make sure the printer is turned off before you open the accesscover. 3 Open the access cover (1) and remove the pull up roller assembly (2). T...

Page 57 - Single-Sheet Paper Jams

Maintenance 57 Single-Sheet Paper Jams 1 Turn off the printer. 2 Use the platen knob to back the paper out. 3 Open the access cover (1) and remove the pull-up roller assembly (2). 4 Remove any torn pieces from around the carriage. 5 Reinstall the pull-up roller assembly and close the access cover.

Page 58 - Cleaning the Housing

58 Microline 490/491 User’s Guide Cleaning the Housing You should clean the printer housing every six months (or afterabout 300 hours of operation). CAUTION! Never use strong solvents or strong detergents on thecabinet—they could damage the housing. 1 Turn off the printer. 2 Use the platen knob to b...

Page 59 - Chapter 6: Troubleshooting; General Information; Note: Settings in your software application will normally

59 Chapter 6: Troubleshooting General Information Here are some general things to check before proceeding withdetailed troubleshooting. • Is the printer plugged in and turned on? • Are the connections (power and interface) secure? • Is the product being operated under the proper ambient conditions? ...

Page 61 - Is the; Check that the interface cable is securely connected to both; Problem; Check to be sure that the printer driver you have selected in; If you have embedded any printer commands in your

Troubleshooting 61 Problem The printer does not print when the computer sends data. Solutions 1 Is the SEL light on? If not, press the SEL key. 2 Check that the interface cable is securely connected to both the printer and the computer. 3 If you have the optional serial interface board installed, ch...

Page 63 - There are dots missing in my printouts.; key and correct the

Troubleshooting 63 Problem There are dots missing in my printouts. Solution The head gap may not be set correctly. Try moving the headgaplever to a lower setting. If that doesn’t help, the printhead maybe damaged; call for service. Problem The ALARM light is flashing. Solution Try turning the printe...

Page 64 - Press and release the; Press and hold the; light comes on and you can now load paper.

64 Microline 490/491 User’s Guide Problem The printer needs paper. The ALARM is not on. I can’t loadpaper. Solution 1 Press and release the SEL key. 2 Press and hold the SHIFT key and press the RESET / CHARACTER PITCH key. 3 The ALARM light comes on and you can now load paper. Problem Continuous-for...

Page 65 - Purchasing Parts & Accessories

65 Appendix A: Parts & Accessories Purchasing Parts & Accessories Before you purchase, know your printer model number (see thefront of the unit) and have the correct part number anddescription of the item. Item descriptions and part numbers areprovided in this section. • Consult the dealer w...

Page 66 - Replacement Parts; Item; Both Models

66 Microline 490/491 User’s Guide Replacement Parts Item Part Number Both Models Ribbon Cartridge ( ) ------------------------------- 42377801 Platen Knob ( ) ------------------------------------- 51902220 Power Cord ( ) ------------------------------------- 56631801 Model ML490 Printhead ( ) ------...

Page 67 - Accessories; Option

Accessories 67 Accessories Option Part Number Model ML490 Pull Tractor, Top-Mount ( ) ----------------------- 70030501 Push Tractor, Bottom-Mount ( ) ----------------- 70030701 Roll Paper Stand ( ) ------------------------------- 70023301 Model ML491 Pull Tractor, Top-Mount ( ) ---------------------...

Page 68 - Appendix B: Printer Control Codes; Place the CD in your CD-ROM drive and wait for it to; Epson LQ Commands; Epson Command

68 Appendix B: Printer Control Codes This section lists the most commonly used printer controlcodes. You will find a comprehensive listing of the control codes(English only), on your Printer CD. To access it: 1 Place the CD in your CD-ROM drive and wait for it to AutoPlay. 2 Select your printer mode...

Page 72 - IBM Proprinter X24e / XL24e and

72 Microline 490/491 User’s Guide IBM Proprinter X24e / XL24e and IBM X24e AGM / XL24e AGMCommands IBM Command ASCII Decimal Backspace BS 8 Cancel CAN 24 Carriage Return CR 13 Character Pitch, Select 10 cpi DC2 18 12 cpi ESC : 27 58 15 cpi ESC g 27 103 Condensed Print ESC SI, or SI 27 15, or 15 Char...

Page 75 - Appendix C: Specifications; Note: Specifications are subject to change without notice.; Print Method; Impact dot matrix; Printhead; Ethernet Print Servers:; Receive Buffer Size; Ribbon Life

75 Appendix C: Specifications Note: Specifications are subject to change without notice. Print Method Impact dot matrix Printhead 24 pins, 0.20 mm (0.0079") diameter, with thermalprotection Interfaces Standard: Centronics parallel, IEEE-1284 compliant USB 1.1 Optional: RS-232C Serial Ethernet Pr...

Page 76 - Print Speed; Mode; Graphics Resolution

76 Microline 490/491 User’s Guide Emulations (co-resident) • Epson LQ • IBM Proprinter X24e / XL24e • IBM X24e AGM / XL24e AGM Print Speed Mode Pitch Speed High Speed Draft (HSD) 10 cpi* 420 cps† Utility 10 cpi 315 cps 12 cpi 378 cps 15 cpi 472 cps 17.1 cpi 269 cps 20 cpi 315 cps Letter Quality (LQ)...

Page 77 - Resident Fonts; Bar Codes

Specifications 77 Resident Fonts Print Quality Available Fonts Letter Quality Courier, Gothic, Orator, Prestige,Roman, Swiss, Swiss Bold Utility Gothic Bar Codes • Code 39 • UPC A, UPC E • EAN 8, EAN 13 • Interleaved 2 of 5 • Code 128 • Postnet Resident Typefaces Mode/Font Size: Style LQ Courier 10 ...

Page 78 - Paper Specifications: ML490; Labels

78 Microline 490/491 User’s Guide Paper Specifications: ML490 Single (Cut) Sheets Feed: Top Only Weight: 14 to 24 lb. US Bond (52.6 to 90 g/m 2 ) Width Range: 7.2" to 8.5" (183 to 216 mm) Single-part, continuous forms Feed: Rear, Bottom* Weight: 12 to 24 lb. US Bond (45 to 90 g/m 2 ) Width R...

Page 79 - Paper Specifications: ML491; Carbonless continuous forms

Specifications 79 Paper Specifications: ML491 Single (Cut) Sheet Feed: Top Only Weight: 14 to 24 lb. US Bond (52.6 to 90 g/m 2 ) Width Range: 7.2" to 14.3" (182.8 to 363.2 mm) Single-part, continuous forms Feed: Rear, Bottom* Weight: 12 to 24 lb. US Bond (45 to 90 g/m 2 ) Width Range: 3"...

Page 80 - Environmental Requirements; Temperature; Electrical Requirements; Note: Height dimensions do not include the acoustic cover.

80 Microline 490/491 User’s Guide Environmental Requirements Temperature Operating: 41 to 95°F (5 to 36°C) Storage: 14 to 122°F (-10 to 50°C) Humidity Operating: 20 to 80% RH Storage: 5 to 95% RH Electrical Requirements • 120 volts ac, (+6%, -15%) 50 or 60 Hz (±2%)78 W Typical, 10 W idle • 230 ac, (...

Page 81 - Appendix D: Installation; Location

81 Appendix D: Installation Location • Place your printer on a firm, solid surface. • Allow enough space around the printer to easily access the platen knob and the various paper feed paths. • Make sure a suitable grounded power outlet is available nearby. Unpack • If any items are missing, contact ...

Page 83 - remove the shipping restraint.; Reinstall the sheet guide: insert the clips on either side of the

Installation 83 4 Use the tabs (1) to lift and remove the sheet guide, then remove the shipping restraint. 5 Reinstall the sheet guide: insert the clips on either side of the separator into the notches marked with a triangle, then pressdown to secure the separator in place.

Page 84 - Unpack the new ribbon cartridge and install it on the; arrow to take up any ribbon slack.; Close the access cover and turn the printer on.; Install the Ribbon Cartridge

84 Microline 490/491 User’s Guide CAUTION! The printhead may be HOT! 3 Unpack the new ribbon cartridge and install it on the printhead. Important! Do not remove the ribbon shield (1) from the ribbon! 4 Turn the take-up knob (1) in the direction of the molded-in arrow to take up any ribbon slack. 5 C...

Page 85 - Power Connection; Make sure both the printer and the computer are OFF.; Plug the power cord into the back of the printer, then into a; Computer Connections; • Printer has 36-pin socket; Turn the printer and computer back on.

Installation 85 Power Connection 1 Make sure both the printer and the computer are OFF. 2 Plug the power cord into the back of the printer, then into a grounded outlet. 3 Turn on the printer. Computer Connections Parallel (LPT): IEEE 1284 • Requires bidirectional cable, max. length 6 ft. (1.8 m), no...

Page 86 - Attach a suitable USB cable to the printer. Then attach the; cable to your computer.; Turn the computer and printer back on.

86 Microline 490/491 User’s Guide USB: Specification 1.1 Compliant • Requires USB 1.1 cable, maximum length 19.7 ft. (5 m), not supplied. • Printer has USB “B” receptacle. 1 Make sure the printer and computer are both turned off. 2 Attach a suitable USB cable to the printer. Then attach the cable to...

Page 87 - Testing the Printer; • Font Sample Test; Font Sample Test; Make sure paper is loaded.; key while turning the printer back on.

Installation 87 Testing the Printer • Font Sample Test • Rolling ASCII Test • Hexadecimal Dump Mode Font Sample Test Important! Wide carriage Model ML491: If you are using 8.5" paper torun the tests, make sure the paper width selection in theprinter menu is set to 8.5 inches. Otherwise, printing...

Page 88 - Rolling ASCII Test; Make sure continuous forms paper is loaded.; key while turning the printer

88 Microline 490/491 User’s Guide Rolling ASCII Test Important! Wide carriage Model ML491: If you are using 8.5" paper torun the tests, make sure the paper width selection in theprinter menu is set to 8.5 inches. Otherwise, printing on theplaten may damage the printer. See Chapter 4: Menu Modefo...

Page 89 - Hexadecimal Dump Mode; Note: In the ASCII format, all non-printable characters will be

Installation 89 Hexadecimal Dump Mode When the printer is placed in the Hexadecimal Dump Mode, alldata received, including text and printer commands, is printedin both hexadecimal and ASCII format. For example, the following line of BASIC code LPRINT CHR$ (27);0;CHR$ (30);This is an example of a ...

Page 90 - Loading the OKI Driver; Parallel Interface; Select your printer model.; USB Interface; Turn the printer on.; The Windows Add New Hardware Wizard window displays.; Follow the on-screen instructions to install the software for; Using a Compatible Driver; Note: See your software documentation for information on

90 Microline 490/491 User’s Guide Loading the OKI Driver Parallel Interface 1 Insert the CD into your CD-ROM drive. Note: If the CD does not AutoPlay, click Start ® Run ® Browse, then browse to your CD-ROM drive,double-click Install.exe and click OK. 2 Select your printer model. 3 When the Menu Inst...

Page 91 - Index

91 A Accessories ............................................. 67Alignment problems ................................. 9ASCII Test .............................................. 88Auto Carriage return ............................... 35Auto LF (Line Feed) ........................ 32, 35Auto Select ......