Oki 390 User Manual
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Oki 390 User Manual

24 pin printer
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February 20, 2025

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Summary of Contents for Oki 390

  • Page 1 320T_tp.jpg User’s Guide 59336401...

  • Page 2: Copyright Information

    Disclaimer Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date. Oki Data assumes no responsibility for the results of errors beyond its control. Oki Data also cannot guarantee that changes in...

  • Page 3: Table Of Contents

    Saving Time: Moving Through the Menu ... 10 Operation Tips ... 11 Operation Tip: Top of Form ... 11 Operation Tip: Turning the Platen Knob ... 12 Operation Tip: Control Access to the Printer ... 12 Introduction ... 13 Printer Features ... 14 Parts Identification ... 15 Printer Serial Number ...15...
  • Page 4 Connecting to the Parallel Port ...38 Product Registration ...39 my.okidata.com ...39 Registering Your Printer ... 39 Microline 390/391 Turbo Using Your Printer ... 40 Top of Form (TOF) ... 40 Top of Form (TOF) and Forms Tear-Off ...41 Forms Tear-Off Status (ON or OFF) ...41 Setting Top of Form, Forms Tear-Off ON (Step A) ...42...
  • Page 5 My word processor files do not print the way I have the menu and front panel set..89 Problem 2: Nothing happens when I turn on the printer..90 Problem 3: The printer does not print when the computer sends data.
  • Page 6 The ALARM light is on and the Character Pitch 15 light is flashing..92 Problem 10: The printer needs paper, but the ALARM light is not on and I cannot load the paper..92 Problem 11: The Print Quality and Character Pitch keys on the front panel don't work.
  • Page 7 Regulatory and Safety Information ... 117 Safety Information ... 117 Regulatory Information ... 119 Year 2000 Compliance ... 119 Energy Star® ... 119 Federal Communications Commission (FCC) ... 120 Industry Canada (IC) ... 121 European Union Council of the European Communities 122 Index ...

  • Page 8: Helpful Hints

    Helpful Hints Your printer has many features and capabilities that will help you: • save money. • save time. • operate the machine. Microline 390/391 Turbo This section summarizes the features and capabilities directly connected to saving money and time.

  • Page 9: Saving Money

    The top of the page (perforation) is even with the tear bar. The tear bar is located under the clear top of the access cover. Paper remains in the tear-off position until the printer receives more data. Then, the paper moves back down for printing (retracts to the initial print position).

  • Page 10: Saving Time

    Saving Time Saving Time: Internet Support Oki Data provides support via the Internet. Oki Data’s main web site, www.okidata.com, is the gateway to Oki Data’s products and services. my.okidata.com is a powerful area of Oki Data’s web site designed to help you personalize the information and service you get from Oki Data.

  • Page 11: Operation Tips

    “Using Your Printer, Top of Form, Forms Tear-Off Status (ON or OFF).” Top of Form sets the print start position for the printer. It is adjustable in increments of 1/144 of an inch. The amount of adjustment is limited to avoid paper jams.

  • Page 12: Operation Tip: Turning The Platen Knob

    Operation Tip: Turning the Platen Knob If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! Microline 390/391 Turbo...

  • Page 13: Introduction

    An on-line version of this document is available for viewing and downloading via Oki Data’s Web Sites. You may reach Oki Data via the Internet at: • www.okidata.com • my.okidata.com For more information on the Oki Data Web Sites, refer to “Service and Support, Internet Support.” User’s Guide: English...

  • Page 14: Printer Features

    • Blazing print speeds: — Utility Mode 260 to 390 cps depends on selected characters per inch — Letter Quality Mode 87 to 174 cps depends on selected characters per inch • 100% backward compatible with Microline 390/391 printers. Microline 390/391 Turbo...

  • Page 15: Parts Identification

    The label says “S/N.” An example serial number is: 401A0154693. You will need your printer serial number if your machine requires servicing. A written receipt for the product, showing the date of purchase, dealer’s name, and both the model and serial...

  • Page 16: Parts Identification: Rear Feed (Continuous Forms)

    4 On-Off Switch 5 Platen Knob 6 Control Panel 7 Acoustic Cover 8 Access Cover Move the paper lever to the position marked “REAR.” For rear feed, the paper lever is towards the front of the printer. 32T-01c.eps Microline 390/391 Turbo...

  • Page 17: Parts Identification: Top Feed (Single-Sheet)

    3 Paper Lever 4 On-Off Switch 5 Platen Knob 6 Control Panel 7 Acoustic Cover (open) 8 Access Cover Move the paper lever to the position marked “TOP.” The paper lever is towards the back of the printer. 32T-15.eps User’s Guide: English...

  • Page 18: Front Panel Lights

    • paper lever is set to wrong position if 10 cpi light is also blinking. • Blinks = error condition. Turn printer off, then on; if light still flashes, contact service dealer. 6 10 / 12 / 15 / 17 / 20 / PROP: Indicate selected character pitch.

  • Page 19: Front Panel Keys

    7 QUIET: Turns Quiet Mode on and off. When held on power up, activates Rolling ASCII Test. 8 PRINT QUALITY: Selects print quality and typeface. 9 CHARACTER PITCH: Selects the character pitch. Used with SHIFT key to reset the printer and clear the buffer. PRINT QUALITY COURIER GOTHIC...

  • Page 20: Installation

    • Read and follow all warning and instruction labels on the printer itself. • Place your printer on a firm, solid surface. If you put in on something unsteady, it might fall and be damaged. If you place it on a soft surface (such as a rug, sofa, or bed) the vents may be blocked, causing it to overheat.

  • Page 21: Installation Overview

    • Protect your printer from overheating. Make sure the openings on the printer are not blocked. Do not put the printer on or near a heat source, such as a radiator or heat register. If you put the printer in any kind of enclosure, make sure it is well ventilated.

  • Page 22: Customizing The Installation

    Customizing the Installation Your printer has many settings (defaults) that do not need to be adjusted as part of a standard installation. However, you may need to adjust settings to fit your standards. Some settings you may need to adjust as part of your installation are: •...
  • Page 23 Top of Form (TOF) If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! The factory default setting for the Top of Form (where the printing should begin) is one inch down from the top of the page.

  • Page 24: Unpacking The Machine

    If any items are missing, contact your dealer immediately. Keep you packing materials and carton in case you ever need to ship or transport the unit. 1 Printer 2 Ribbon Cartridge 3 Power Cord 32t-14.eps Microline 390/391 Turbo...

  • Page 25: Shipping Restraints

    Shipping Restraints 1 Open the access cover (1). Remove the printhead shipping restraint (2) and tape. Turbo-1.eps 2 Remove the shipping restraint (1) behind the pull-up roller assembly. 32t-16.eps 3 Grasp the tabs and lift off the paper separator (1). Remove the shipping restraint (2).

  • Page 26: Ribbon Cartridge

    Important: Make sure you have the correct replacement ribbon for the ML390/391 Turbo Printers (P/N52104001). The wrong ribbon WILL NOT print when installed on the ML390/391 Turbo Printers. Microline 390/391 Turbo 1 Make sure the printer is turned OFF. 2 Center the printhead (1). 32T-18.eps...
  • Page 27 3 If you are replacing the ribbon: swing the front of the cartridge up off the printhead, then lift the cartridge out and discard it. Caution! The printhead may be HOT! 32T-19_up.eps 4 Unpack the ribbon cartridge. Important! DO NOT remove the ribbon shield from the ribbon! Ribbon Shield Grip Points...

  • Page 28: Ribbon Cartridge Handling

    • Ribbon ink on skin or clothing can usually be removed with soap and water. Microline 390/391 Turbo Ribbon Cartridge Emergency First Aid Contact occurs with eyes. Flush eyes with large quantities of water for 15 minutes, keeping eyelids open with fingers.

  • Page 29: Accessories

    Power Connections 1 Make sure both the printer and the computer are OFF. 2 Plug the power cord into the back of the printer (1), then into a grounded outlet (2). 59#11.eps and Plugin.eps 3 Turn on the printer.

  • Page 30: Paper Loading

    1 Lock Lever 2 Upper Tractor Cover 3 Pins 4 Lower Tractor Cover 32T-26.eps Microline 390/391 Turbo 1 Move the paper lever (1) to the position marked “REAR.” 2 Grasp the tabs and lift off the paper separator. 32T-11.eps 32T-23A.eps...
  • Page 31 3 Pull up on the lock levers and open the tractor covers. Then, move the right tractor to fit the width of the paper. 32T-27.eps 4 Place the first two holes in the paper over the tractor pins on either side. Close the tractor covers. 32T-29.eps 5 Move the left tractor to align the edge of the paper with the appropriate reference mark (1).

  • Page 32: Top Feed (Single Sheets)

    If you have continuous-form paper in the path, press PARK to remove it before loading single sheets. 1 Make sure the printer is on and deselected (SEL light off). 2 Place the paper lever in the position marked “TOP.” 3 Open the carriage cover. Raise the paper separator to the single-sheet position.
  • Page 33 The factory default setting for the Top of Form (where the printing should begin) is one inch down from the top of the page. To change the setting, see “Using Your Printer, Top of Form (TOF).” User’s Guide: English...

  • Page 34: Testing The Printer

    Testing the Printer Running the printer self tests is a good way to check the installation of your printer. The two self tests are: • Font Sample Test • Rolling ASCII Test Microline 390/391 Turbo Wide Carriage Model Microline 391 Turbo If you are using 8.5 inch paper to run the test, make sure...

  • Page 35: Font Sample Test

    The top of the printout has the Printer Model, Emulation, Country Code, Interface, and Firmware Revision Level for your printer. To run the test: • Turn the printer off, then press and hold the LF key while turning the printer back on. LF.eps Micro Feed...

  • Page 36: Rolling Ascii Test

    The top of the printout has the Printer Model, Emulation, Country Code, and Firmware Revision Level. Microline 390/391 Turbo To run the test: • Turn the printer off, then press and hold the QUIET key while turning the printer back on. QUIET.eps QUIET To exit the test: •...

  • Page 37: Emulations

    Printer, Emulations.” Printer Drivers ® Before you can use your printer, you must select the correct printer driver in your software. If you select the wrong driver, you will see strange characters, incorrect fonts, etc. See your software documentation for information on how to select a printer driver.

  • Page 38: Computer Connections

    If you purchased the Serial Interface option, see the instruction sheet provided with it. Microline 390/391 Turbo Connecting to the Parallel Port 1 Plug the interface cable into the parallel port (1) and secure it with the wire loops.

  • Page 39: Product Registration

    OKI printer. It represents our commitment to providing you with solutions, finding out the latest updates about your OKI products, and getting the details on OKI programs and services that can help your bottom line.

  • Page 40: Using Your Printer

    “Using Your Printer, Top of Form, Forms Tear-Off Status (ON or OFF).” Microline 390/391 Turbo Top of Form sets the print start position for the printer. It is adjustable in increments of 1/144 of an inch. The amount of adjustment is limited to avoid paper jams.

  • Page 41: Top Of Form (Tof) And Forms Tear-Off

    Top of Form (TOF) and Forms Tear-Off If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! Your software may print the first line of print above or below where TOF is set.

  • Page 42: Setting Top Of Form, Forms Tear-Off On (Step A)

    Setting Top of Form, Forms Tear-Off ON (Step A) If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! Always determine the status of the Forms Tear-Off menu setting BEFORE setting the Top of Form.
  • Page 43 9 Keep holding SHIFT and press QUIET/TOF a few times to set the Top of Form. 10 When the Top of Form is at the correct position, release all keys. PARK QUIET 11 Press SEL/MENU to place the printer on-line. PRINT 32T-18.eps User’s Guide: English...

  • Page 44: Setting Top Of Form, Forms Tear-Off Off (Step B)

    Status (ON or OFF).” Microline 390/391 Turbo 1 Turn the printer ON. 2 Press SEL/MENU (6) to take the printer off line. The SEL light goes out. 3 Press and hold SHIFT (1). Then, press LF / Micro Feed Down (2) or FF/LOAD / Micro Feed Up (3), depending on which direction you want to move the paper to align the tear-off position.
  • Page 45 6 Press SEL/MENU to place the printer on line. If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! For information on resetting the Top of Form to the factory default, refer to “Using Your Printer, Top of...

  • Page 46: Temporary Top Of Form Change

    Temporary Top of Form Change If you turn the platen knob when the printer is turned on, you will cause the Top of Form to mis-align. Always turn the printer off before turning the platen knob! The factory default setting for the Top of Form (where the printing should begin) is one inch down from the top of the page.

  • Page 47: Reset Top Of Form To Factory Default

    • with the printer ON. • with the printer OFF. Printer ON 1 With the printer ON, and paper parked (out of the printer) Press QUIET / TOF. Printer OFF 1 With the printer OFF, and no paper installed, Press and hold PARK + QUIET/TOF while turning on the printer.

  • Page 48: Problem

    Forms Tear-Off Status (ON or OFF).” For information on setting the Top of Form, refer to “Using Your Printer, Top of Form, Setting Top of Form, Forms Tear-Off (ON or OFF).” The Forms Tear-Off feature allows a printed page (continuous...

  • Page 49: Changing The Forms Tear-Off Setting

    The status of the Forms Tear-Off menu setting affects how you set the Top of Form. If the software package you are using “pauses” while sending data to the printer, Forms Tear-Off may be PARK QUIET activated (if it is enabled through the Menu). The pause must be for two seconds or more.

  • Page 50: Automatic Forms Tear-Off

    When printing stops, the paper advances to the tear-off position. TEAR Key and Automatic Forms Tear-Off If you press TEAR (1) when Forms Tear-Off is turned on (activated in the printer menu), the printer retracts the paper to the Top of Form position. 32T-FP.eps FF/LOAD...

  • Page 51: Manual Forms Tear-Off

    Manual Forms Tear-Off works when Forms Tear-Off is turned off (deactivated in the printer menu). When Forms Tear-Off is turned on (activated in the printer menu), and you attempt Manual Forms Tear-Off, the printer retracts the paper to the Top of Form position.

  • Page 52: Tear Key

    Microline 390/391 Turbo Forms Tear-Off set ON If you press TEAR (1) when Forms Tear-Off is turned on (activated in the printer menu), the printer retracts the paper to the Top of Form position. Forms Tear-Off CANNOT be used when the optional pull tractor is engaged.

  • Page 53: Paper Park

    Paper park allows you to print a single sheet (cut-sheet) page FF/LOAD TEAR PARK QUIET Micro Feed Micro Feed SHIFT without removing continuous feed paper from the printer. MENU Down PRINT EXIT GROUP ITEM Press PARK (1) to retract rear-feed paper from the paper path.

  • Page 54: Changing Paper Paths

    4 Place the wire feed guide in the paper separator. 5 Move the paper lever to the position marked “TOP.” The paper lever is towards the back of the printer. 6 Place a sheet of paper in the paper separator.

  • Page 55: Printhead Gap

    Printhead Gap The printhead gap is the distance between the printhead and the platen. Make sure the printer is turned off before you open the access cover. To adjust the gap, open the access cover and move the blue lever (1) to the recommended setting from the table.

  • Page 56: Expanded Printhead Gap

    Expanded Printhead Gap Your printer can be used for dedicated bottom-feed printing on extra-thick multi-part forms. Extra-thick multi-part forms range from 0.017-inch (0.43 mm) to a maximum of 0.03 inch (0.79 mm). To print on extra-thick multi-part forms, you engage the expanded printhead gap feature. This expands the head gap settings for extra-thick forms and heavy card stock.
  • Page 57 5 Swing up the printhead clamp, then remove it by pushing forward (toward the platen) and to the left. 32T-hg01.eps and 32T-hg02.eps 6 Remove the printhead. 32T-hg03.eps 7 Lift the printhead plate off the carriage assembly (1). 32T-hg04.eps 8 Turn the printhead plate around and reinsert it on the other side of the carriage assembly (1).
  • Page 58 32T-hg06.eps CAUTION! Be sure the printhead is fully inserted before proceeding. Microline 390/391 Turbo 10 Reinstall the printhead clamp and swing it back over to lock the printhead in place. 32T-hg07.eps Important! The clamp must be between the black projection on the printhead and the metal plate on the carriage, on both sides.
  • Page 59 13 Change the printer's secondary menu (make sure paper is loaded!) to engage the expanded printhead gap: a) Press SEL + TEAR while turning the printer back on. b) Press LF to advance through the menu to the Technical group (last option in menu).

  • Page 60: Print Quality

    • Medium quality, medium speed ROMAN ORATOR • Gothic font only SWISS • Recommended for internal documents and high-volume data. To engage high speed 390 cps printing, select Utility for the Print Quality and 15 cpi for the Character Pitch.

  • Page 61: Typeface

    Typeface Important! Front panel settings for print quality and character pitch are overridden by software commands. The lights will always reflect the printer's state. 390 Panel.eps PRINT QUALITY COURIER UTILITY PRESTIGE When Letter Quality is engaged, the front panel lights indicate which typeface is selected.

  • Page 62: Character Pitch

    Press CHARACTER PITCH/RESET to select the width of characters in characters per inch, or Proportional. 390 Panel.eps CHARACTER PITCH RESET Microline 390/391 Turbo 10 cpi • Recommended for standard text 12 cpi • Recommended for standard text • Yields more text per page 15 cpi •...

  • Page 63: Printer Reset

    You will need to reset the printer to clear some error conditions To reset the printer: 1 Press and release the SEL key to take the printer off-line. The SEL light will be out. 2 Then, press and hold the SHIFT key and press the RESET (CHARACTER PITCH) key.

  • Page 64: Emulations

    Changing Emulations 1 Make sure paper is loaded. 2 Press SHIFT + SEL. The printer enters the Menu Mode. 3 Press LF. The following line prints: P r i n t e r C o n t r o l...

  • Page 65: Printer Drivers

    See your software documentation for information on how to select a printer driver. The drivers below are listed by decreasing compatibility with your printer. Use one as close to the top of the list as possible. Epson LQ Oki Data ML390/1T Epson...

  • Page 66: Obtaining Drivers

    Drivers are available for a variety of operating systems. You can obtain the drivers by downloading them from the web site at http://www.okidata.com Microline 390/391 Turbo Installing Printer Drivers Installation procedures vary according to the driver you select. Follow the instructions provided with the selected...

  • Page 67: Menu Mode

    In Menu Mode, you use the front panel keys to change the defaults for the printer parameters. The changes you make in the Menu Mode are automatically saved when you exit the Menu Mode and are retained, even when you turn the printer off. 32T-FP.eps...

  • Page 68: Entering And Exiting Menu Mode

    To enter or exit the Menu Mode, hold SHIFT while pressing SEL. Microline 390/391 Turbo Moving Through the Menu When the printer is in Menu Mode, you can move forward or backwards through the menu. Moving Forward To move forward, press GROUP, ITEM, or SET, whichever is appropriate.

  • Page 69: Resetting Menu To Factory Defaults

    Printer, Menu Mode, Printing the Menu Settings.” To reset the Menu to the standard settings (factory defaults): 1 Turn the printer off. 2 Press SEL + LF while turning the printer on. Printing the Menu Settings ALWAYS print the current Menu Mode settings before you reset or change the Menu settings.

  • Page 70: Changing The Menu Settings

    Press SET until the setting you want appears in the third column. 3 Press SHIFT + SEL to exit the Menu Mode and save your settings. Important! If you turn off the printer without first exiting the Menu Mode, the changes you have made will be lost.

  • Page 71: Menu Settings Table

    Menu Settings Table For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.” The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic.
  • Page 72 Menu Settings Table (Continued) For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.” The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic.
  • Page 73 Menu Settings Table (Continued) For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.” The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic.
  • Page 74 Menu Settings Table (Continued) For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.” The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic.
  • Page 75 Menu Settings Table (Continued) For a complete explanation of each menu item, refer to “Using Your Printer, Menu Mode, Explanations of Menu Items.” The table below shows the items which may appear in the menu. Settings which are engaged at the factory (defaults) are set in bold italic.

  • Page 76: Explanations Of Menu Items

    Explanations of Menu Items Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure. Auto CR (IBM). If you want the printer to automatically add a carriage return when a Line Feed is received at the end of a line, change the setting to Yes.
  • Page 77 Explanations of Menu Items (Continued) Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure. I-Prime. Determines what the printer will do when it receives the I-Prime signal from the software. Buffer Print prints out the buffer contents before resetting.
  • Page 78 Explanations of Menu Items (Continued) Refer to “Using Your Printer, Menu Mode, Menu Settings Table” for an overview of the menu structure. Print Suppress Effective. If your system uses the DC1 and DC3 codes for something other than the print suppress mode, change the setting to No.

  • Page 79: Maintenance

    • web site • “Installation, Ribbon Cartridge.” For the best results, use genuine OKI ribbons. For information on obtaining consumables, refer to “Accessories.” For information on the web site, refer to “Service and Support, Internet Support.”...

  • Page 80: Printer Cleaning

    Never use solvents or strong detergents on the cabinet: they could cause damage. 1 Turn off the printer. Then, use the platen knob to back the paper out of the printer. 2 Open the access cover. Remove the pull-up roller assembly.

  • Page 81: Paper Jams

    Paper Jams Rear-Feed Paper Jams 1 Turn off the printer. Then, use the platen knob to back the paper out of the printer. 32T-01B.eps and 32T-37BK.eps Make sure the printer is turned off before you open the access cover. 2 Open the access cover. Remove the pull-up roller assembly.
  • Page 82 Make sure you lock the tractor covers (2). 32T-23A.eps 5 Install the paper separator. Install the pull-up roller assembly. Close the access cover. 32T-23A.eps and 32T-04DN.eps Microline 390/391 Turbo 6 Turn on the printer. 7 Press FF/LOAD. 32T-01a.eps FF.eps...
  • Page 83 Replace the paper with a fresh stack. Misaligned Paper 1 Turn off the printer. Then, use the platen knob to back the paper out of the printer. 2 Tear off a couple of sheets of paper, leaving a new, clean, square-cut edge.
  • Page 84 5 Use the platen knob to draw the quadruple-thick page around the platen. This clears any jammed bits of paper. 32T-42R.eps Microline 390/391 Turbo 6 Remove any paper pieces. Then, use the platen knob to back the paper out. 32T-42R.eps 7 Load regular paper (making sure the tractor covers are closed).
  • Page 85 8 Install the pull-up roller assembly. Close the access cover. 10 Press FF/LOAD. 32T-04DN.eps FF.eps FF/LOAD Micro Feed ITEM 9 Turn on the printer. 32T-01A.eps User’s Guide: English...

  • Page 86: Single-Sheet Paper Jams

    32T-43.eps 3 Open the access cover. Remove the pull-up roller assembly. 32T-44Up.eps Microline 390/391 Turbo 4 Remove any torn pieces from around the carriage. 5 Install the pull-up roller assembly. Close the access cover. 32T-44Dn.eps 6 Turn on the printer. Load paper.

  • Page 87: Troubleshooting

    Internet Support Oki Data provides support via the Internet. Oki Data’s main web site, www.okidata.com, is the gateway to Oki Data’s products and services. my.okidata.com is a powerful area of Oki Data’s web site designed to help you personalize the information and service you get from Oki Data.

  • Page 88: List Of Problems

    The ALARM light is on and the Character Pitch 15 light is flashing. Problem 10: The printer needs paper, but the ALARM light is not on and I cannot load the paper. Problem 11: The Print Quality and Character Pitch keys on the front panel don't work.

  • Page 89: Problem 1

    The initialization string contains codes that override the panel and menu settings. To change your printer to ignore the reset code, enter the Menu Mode, go to the Set-Up group and change the setting for Reset Inhibit to Yes. Refer to “Using Your Printer, Menu Mode.”...

  • Page 90: Problem 2

    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, check to be sure that it is firmly seated in the printer. Microline 390/391 Turbo Problem 4: I'm getting strange symbols, incorrect fonts, etc., when I...

  • Page 91: Problem 5

    If it is missing, find it and install it. Problem 7: The ALARM light is flashing. Solution: Try turning the printer off and then back on again. If the light still blinks, call for service. Problem 8: The ALARM light is on and the Character Pitch 10 light is flashing.

  • Page 92: Problem 9

    This indicates a paper jam. Press the SEL key and correct the paper jam situation. Refer to “Maintenance, Paper Jams.” Problem 10: The printer needs paper, but the ALARM light is not on and I cannot load the paper. Solution: Press and release the SEL key.

  • Page 93: Specifications

    Characters Characters Mode per Inch per Second Utility 10 cpi 260 cps 12 cpi 312 cps 15 cpi 390 cps 17.1 cpi 223 cps 20 cpi 260 cps Letter 10 cpi 87 cps Quality 12 cpi 104 cps 15 cpi 131 cps 17.1 cpi...
  • Page 94 Interface Standard: Centronics parallel, IEEE-1284 compliant Optional: RS-232C serial Graphics Resolution 360 x 360 dpi maximum (24-dot, hex density) Receive Buffer Size 23 K Microline 390/391 Turbo Resident Fonts ML391 Turbo Print Quality 136 cpl Letter Quality 163 cpl Utility...
  • Page 95 Resident Typefaces Mode/Font Size LQ Courier 10 & 12 cpi, Proportional 10 & 12 cpi, Superscript/Subscript Proportional Superscript/Subscript LQ Letter Gothic 10 & 12 cpi, Proportional 10 & 12 cpi, Superscript/Subscript Proportional Superscript/Subscript LQ Prestige 10 cpi, 12 cpi, Proportional LQ Orator 10 cpi, 12 cpi, Proportional LQ Roman...
  • Page 96 Paper Specifications Microline 390 Turbo Paper Type: Cut Sheet Feed: Weight: 14-24 lb. (52.5-90 g/m Width Range: 7.2" to 8.5" (182.8 to 215.9 mm) Paper Type: Single-part, continuous forms Feed: Rear, Bottom Weight: 12-24 lb. (45-90 g/m Width Range: 3" to 10" (76.2 to 254 mm)
  • Page 97 Paper Specifications Microline 391 Turbo Paper Type: Cut Sheet Feed: Weight: 14-24 lb. (52.5-90 g/m Width Range: 7.2" to 14.3" (182.8 to 363.2 mm) Paper Type: Single-part, continuous forms Feed: Rear, Bottom Weight: 12-24 lb. (45-90 g/m Width Range: 3" to 16" (76.2 to 406.4 mm) Paper Type: Carbonless continuous forms Feed:...

  • Page 98: Printer Dimensions

    17.25 x 16.1 x 5.75 inches 436 x 409 x 145 mm ML391 Turbo 23.1 x 16.1 x 5.75 inches 587 x 409 x 145 mm Microline 390/391 Turbo Printer Weight ML390 Turbo: 16.5 lbs. (6.5 kg) ML391 Turbo: 19.8 lbs. (8.9 kg) Environmental Requirements...

  • Page 99: Service And Support

    Service and Support General Information Oki Data offers service and support to you through a variety of methods. Please chose the service and support method that is best for you. Oki Data’s service and support methods are: • the documentation provided with your machine •...

  • Page 100: Documentation

    Follow the prompts for your product, and you will find the on-line versions of all of these documents. Microline 390/391 Turbo Purchase Location The store location where you purchased your machine provides an excellent, local means of support for you and your machine.

  • Page 101: Internet Support

    OKI products and services available to you. You can use our web site to • get Web-based support for all OKI products: 24 hours a day, 7 days a week—no waiting! • download the printer drivers you need.

  • Page 102: Telephone Support

    Our Customer Support Professionals are trained on all current OKI products. They can answer your questions regarding: • Locations of sales and service dealers • Installation of your machine •...

  • Page 103: Oki Data Service Centers

    Oki Data Service Centers Oki Data Authorized Service Providers Oki Data has over 2,000 local Authorized Service Providers in North and South America. For the most comprehensive, up-to-date listing of Oki Data authorized Service Centers: • Consult our web site at www.okidata.com •...

  • Page 104: Service And Support: United States And Canada

    Sales and Service Dealers: United States and Canada Consult the store location where you purchased your machine, or contact Oki Data for the location of the nearest Authorized Oki Data Service Dealer. • Prices and minimum charges may vary. • Proof of purchase is required for warranty work. Be sure to...

  • Page 105: Service And Support: Latin America

    Our CAS’s are trained and certified to provide the best service and support possible to our customers. Make sure that you are close to your machine when you call one of our OKI authorized service centers (OKI-CAS) so that you can describe your problem more accurately.

  • Page 106: Accessories

    Microline 390/391Turbo • Consult the dealer where your purchased your machine. • Locate an Authorized Oki Data Reseller by visiting one of these web sites - http://my.okidata.com Allows you to register your product and personalize your own support needs - http://www.okidata.com...

  • Page 107: Accessories: Part Numbers

    Pull Tractor, Top-Mount (2) --------------------------- 70030601 Push Tractor, Bottom-Mount (3) --------------------- 70030801 Both Models Cut Sheet Feeder (5) ------------------------------------ 70030101 (Cut Sheet Feeder sold only with printer; not available separately) Serial Interface (Not Shown) -------------------------- 70012801 OkiLAN 6010e 10 Base-T Ethernet External...

  • Page 108: Replacement Parts: Part Numbers

    Acoustic Cover (2) ------------------------------------- 53077001 Paper Separator (3) ------------------------------------- 51009510 Pull-Up Roller Assembly (4) -------------------------- 50411101 32T-Knob.tif and PowrCord.eps Both Models Platen Knob (5) ----------------------------------------- 51902220 Power Cord (6) ------------------------------------------ 56631801 Printhead (7) --------------------------------------------- 50114701 32T-CVR2.tif and 32T-CVR1.tif 32T-Head.tif Microline 390/391Turbo...

  • Page 109: Documentation: Part Numbers

    Documentation: Part Numbers Document User's Guide ----------------------------- refer to my.okidata.com Reference Manual ---------------------- refer to my.okidata.com Warranty, Material Safety Data Sheet ----------------------- refer to my.okidata.com If you cannot locate your hardcopy documentation or the CD provided with your machine, go to www.okidata.com or my.okidata.com.

  • Page 110: Printer Control Codes

    You may view this document by: • accessing the document on the CD provided with your machine • using the Oki Data web sites http://www.okidata.com my.okidata.com Microline 390/391Turbo The Microline Reference Manual is ONLY available in...

  • Page 111: Epson Lq Commands

    Inches (n = 1 to 22) 27 113 51 n Lines (n = 1 to 127) 27 119 49 Horizontal Tab or 27 31 48 Initialize Printer 27 119 48 or 27 31 49 Epson_LQ_2.doc ASCII Decimal ESC W 1...
  • Page 112 (n = 0 to 255) ESC 3 n n/60” (n = 0 to 127) ESC A n 1/6” ESC 2 1/8” ESC 0 Microline 390/391Turbo Decimal Epson Command Margins 27 97 48 Set Left Margin 27 97 49 (n = 0 to 255)
  • Page 113 Epson LQ Commands (Continued) Epson Command ASCII Print Speed Half-Speed On ESC s 1 Half-Speed Off ESC s 0 Print Suppress Mode On Print Suppress Mode Off Proportional Spacing On ESC p 1 Proportional Spacing Off ESC p 0 Skip Over Perforation ON ESC N n (n = 1 to 127) Skip Over Perforation OFF...

  • Page 114: Ibm Proprinter X24E / Xl24E And Ibm X24E Agm / Xl 24E Agm Commands

    Shadow ESC q 2 Outline with Shadow ESC q 3 Double Width ESC W 1 ESC W 0 for One Line Microline 390/391Turbo Decimal IBM Command Emphasized Printing On Emphasized Printing Off Enhanced Printing On Enhanced Printing Off Form Feed...
  • Page 115 IBM Proprinter X24e / XL24e and IBM X24e AGM / XL 24e AGM Commands (Continued) IBM Command ASCII IBM Character Set Select Set I ESC 7 Select Set II ESC 6 Print One Character from IBM Set III (n = 0 to 255) ESC ^ n Italic Printing On ESC % G...
  • Page 116 ML391T ESC Q # Print Suppress Mode Off Proportional Spacing On ESC P 1 Proportional Spacing Off ESC P 0 Microline 390/391Turbo Decimal IBM Command Skip Over Perforation On 27 95 49 (n = 1 to 255) 27 95 48...

  • Page 117: Regulatory And Safety Information

    Regulatory, and Safety Information Safety Information Your OKI printer has been carefully designed to give you years of safe, reliable performance. As with all electrical equipment, there are a few basic precautions you should take to avoid hurting yourself or damaging the printer: •...
  • Page 118 Do not touch the printhead until it has had a chance to cool off. • Do not use your printer near water. Do not spill liquid of any kind into it. • Do not poke anything into the ventilation slots on the sides of the printer.

  • Page 119: Regulatory Information

    ® NERGY As an E Partner, Oki Data has determined that this NERGY product meets the E guidelines for energy NERGY efficiency.

  • Page 120: Federal Communications Commission (Fcc)

    It is the responsibility of the user to obtain the required shielded cable in order to ensure compliance of this equipment with FCC regulations. Changes or modifications not expressly approved by Oki Data may void your authority to operate this device.

  • Page 121: Industry Canada (Ic)

    Oki Data may void your authority to operate this device. Industry Canada (IC) IC Radio Interference Statement for 120-Volt Models This Oki Data apparatus complies with the Class B limits for radio interference as specified in the Industry Canada Radio Interference Regulations.

  • Page 122: European Union Council Of The European Communities

    Statement of Safety Conformance for 230/240-Volt Models This product is in conformity with Directive 73/23/EEC on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits. Microline 390/391 Turbo...

  • Page 123: Index

    Brazil 103, 124 British (Language) 71 Buffer Clearing 19, 77 Print 77 Receive Buffer Size 73, 78, 95 Cable Length 38 Parallel 38 Serial Interface 38 Shielded 38 Canada Service 102, 104 Service Center (Oki Data) 103 User’s Guide: English...
  • Page 124 Computer connections 38 Consumables Part Numbers 107, 109 Ribbon Cartridge 107 Ribbon Life 95 Contact Information for Oki Data 2 Contents list, unpacking the printer 24 Continuous Feed Carbonless Forms 96, 97 Changing to single-sheet feed 54 Extra-thick forms 55...
  • Page 125 Drivers Oki Data Web Site 66 Operating Systems 66 Dutch (Language) 71 E-mail address for Oki Data 2 EAN 13 94 EAN 8 94 Efficiency. See Time, Saving Electrical Requirements 98 Electromagnetic Conformance 133 Emulation 64, 71 Changing 64 Choices 37, 64, 94...
  • Page 126 Keys 12, 19, 74 Alternate Functions 19 Won't work 12, 74, 77 Lights 18 Menu Mode 67 German (Language) 71 Gothic Microline 390/391 Turbo Font 61, 94 Utility Print Quality 60 Front Panel Light 18 Graphics Printing 76 Bi-directional 73...
  • Page 127 Line Spacing 77 Bottom Feed 72 Rear Feed 72 Top Feed 73 Lock Lever (graphic) 30 Mailing address for Oki Data 2 Maintenance Cleaning the printer housing 80 Replacing the ribbon cartridge 79 Margin, Bottom 73, 76 Mean Time Between Failures (MTBF)
  • Page 128 Moving through the menu 10 Multilingual 71, 76 my.okidata.com 39, 101 Norwegian 76 Code Page 71 Language 71 Microline 390/391 Turbo Off-line, SEL key 19 Oki Data e-mail address 2 Latin America Information 103 Mailing address 2 Service Centers 103...
  • Page 129 Thickness 98 Types, and Printhead Gap 55 Weight 96, 97 Widths 96, 97 Setting in the Printer Menu 73, 77 Paper Feed Continuous to single-sheet feed 54 Cut Sheet Feeder (Option) 107 FF/LOAD key 19 LF key 19 PARK key 19...
  • Page 130 Standard 62 Print Speed 14, 93 Fastest 62 Medium (Utility) 60 Slowest (LQ) 60 Print Start Position Microline 390/391 Turbo Reset to factory default position 47 Temporary adjustment 46 Top of Form 40, 46, 47 Print Suppress 74, 78 Printer...
  • Page 131 Rolling ASCII Test 19 Roman Font / Typeface 61, 94 Front Panel Light 18 RS-232C Serial Interface 94 Safety, General Information 117 Saving Money. See Money, Saving Saving Time. See Time, Saving Security. control printer access 12 User’s Guide: English...
  • Page 132 Documentation 100 General Information 99 Internet Support 101 Purchase Location 100 Registering your product 39 Telephone Support 102 Microline 390/391 Turbo Service Centers Authorized Service Centers 103 Oki Data 103 Set, Menu Mode 67 SHIFT Front Panel Key 19 Shipping...
  • Page 133 Forms Tear-Off OFF 52 Forms Tear-Off ON 52 TEAR feature 48 does not work 48, 49, 50, 51, 52 Telephone Oki Data Support 102, 103, 106 Latin America 103 Temperature Specifications 98 Tests ASCII Test 36 Font Sample Test 35...
  • Page 134 Menu Setting changes are lost 70 Narrow forms 91 New ribbon 91 Oki Data Suppport (Telephone) 102, 103, 106 Latin America 103 Oki Data Suppport (Web Site) 101, 103, 105 Paper jams, continuous feed 92 Paper Out 92 Perforation skip over 78 POWER lit 18...
  • Page 135 Volume High-volume print quality 60 Wait Time 73, 78 Web Site, Oki Data 2 Weight Paper 96, 97 Printer 98 Width Character 77 Double width printing 78 Page (Bottom Feed) 72 Page (Rear Feed) 72 Page (Top Feed) 73 Paper 96, 97...

This manual is also suitable for:

391Ml390turboMl391turboMicroline 390 turboMicroline 391 turboMircoline 391 turbo

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