Oki ML421 Guide: User's, ML420/421 (English)

Oki ML421 Manual

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  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 1
    User's Guide 59348301
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 2
    ML 420/421 User's Guide P/N 59348301, Revision 1.2 February, 2006 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
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 3
    Safety 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: • Carefully read all setup and operating instructions. Be sure
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 4
    in "Service and Support" for having your printer serviced. These are printer has been exposed to water. - The printer has been dropped or its cabinet has been damaged. - The printer doesn't function normally when you're following the operating instructions. 4 Microline 420/421 User's Guide
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    Support 8 Paper Park 8 Operation Tips 9 Top of Form (TOF 9 Turning the Platen Knob 9 Controlling Access to the Printer 9 Chapter 3: Using Your Printer Tear-Off Feature 17 Potential Problems with Software Packages 17 Changing the Forms Tear-Off Setting 18 Manual Forms Tear Off 18 Paper Park
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    IEEE 1284 88 USB: Specification 1.1 Compliant 89 Loading Paper 89 Testing the Printer 90 Font Sample Test 90 Rolling ASCII Test 91 Hexadecimal Dump Mode 92 Emulations 92 Printer Drivers 92 Loading the OKI Driver 93 Using a Compatible Driver 93 Index 94 6 Microline 420/421 User's Guide
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    environments. Oki Data on the Internet The Oki Data Web Sites provide the most current information available on your printer. On-line documents are 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 7
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 8
    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 information and service you get from Oki Data. Paper Park Your printer
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    and CHARACTER PITCH keys don't work. This prevents these settings from being changed from the control panel when several people are using the printer. For more information, see "Changing the Menu Settings" in Chapter 3. For more information, see "Top of Form (TOF)" in Chapter 3. Helpful Hints
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    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 Access Cover Note: For rear feed, the paper lever must be
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    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. Using Your Printer 11
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    knob when the printer is on, the Top of Form misaligns. Always shut the printer off before turning of Form sets the print start position for the printer. It is adjustable in increments of 1/144 of Top of Form and Forms Tear-Off settings of your printer interact. How you set the Top of Form depends
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    , Bottom Feed or Top Feed-Forms Tear-Off appears in the Top Feed group only if the optional Roll Paper Stand is installed). Using Your Printer 13
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    knob when the printer is on, the Top of Form misaligns. Always turn the printer off before turning paper loaded and the printer on and selected: 1 Press SEL | MENU (1) to take the printer off line. The SEL /MENU (1) to save the setting and place the printer back on line. Note: To reset the Top
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 15
    the platen knob! Note: The first line prints at the red line (1) of the plastic paper shield on the printhead. With paper loaded and the printer on and selected: 1 Press PARK (6) to park the paper. The SEL light goes off and the red alarm light comes on. 2 Press SHIFT (2) and QUIET
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    of Form position lower for one page only: 1 Press SEL to deselect the printer. 2 Press LF to lower the position of the Top of Form. Resetting the paper path. 2 Turn the printer off. 3 Press and hold PARK + QUIET/TOF while turning on the printer. 4 Reload paper. 16 Microline 420/421 User's Guide
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    the optional pull tractor is engaged. Potential Problems with Software Packages If Forms Tear-Off is set to On and the software package you are using "pauses" for a long enough interval while sending data to the printer, Forms Tear-Off may be activated. No data is lost, but this causes uneven print
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    Mode and save the setting. 18 Microline 420/421 User's Guide Manual Forms Tear Off If you don't wish to engage manually by pressing TEAR (5). Paper Park Important! Never park labels! Paper park allows you to switch to single-sheet printing without removing continuous feed paper from the printer
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    sheet guide (1) to the single-sheet feed position. 4 Move the paper lever (1) to the middle position marked "TOP." 5 Adjust the paper guides (1) for the size paper you are using, then place a sheet of paper in the sheet guide. 3 Pivot the wire feed guide into the sheet guide. Using Your Printer
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    Forms 1 Press FF/LOAD to remove the single-sheet paper. 2 Lower the sheet guide into the continuous-forms position. 4 Move the paper lever to the appropriate position. • Rear feed: • Bottom feed: 3 Swing the wire feed guide over onto the pull-up roller. 5 If necessary, load continuous-form paper
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    Printhead Gap The printhead gap is the distance between the printhead and the platen. CAUTION! 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
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    • Lowest quality, highest speed (570 cps) • Gothic typeface only NLQ: Near Letter Quality • Highest quality, slowest speed (95 cps) • Courier or Gothic 22 Microline 420/421 User's Guide
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    letter i is assigned a narrower width than the letter m. This provides a more polished, typeset appearance. Note: To reset the printer to the factory default character pitch, deselect the printer, then press and hold the SHIFT key while pressing the CHARACTER PITCH key. Epson and IBM Emulations Set
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    LF (3). The following line prints: Printer Control Emulation Mode IBM PPR 4 Press TEAR (4) repeatedly until the emulation you wish to select prints in the right-hand column. 5 Press and hold SHIFT (2), then press SEL (1) to save your setting and exit the Menu Mode. 24 Microline 420/421 User's Guide
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    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. Menu Mode Keys GROUP Key Prints the next Group in the Menu.
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    (factory defaults): 1 Turn the printer off. 2 Press SEL + LF while turning the printer on. Printing the Menu Settings Make sure paper is loaded in the printer. 2 Press and hold SHIFT, then accessories installed: 1 Make sure paper is loaded in the printer. 2 Press and hold SHIFT, then press SEL to
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    the third column. 3 Press and hold SHIFT, then press 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. Mode Menu 27
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    appear when a specific emulation is engaged, as noted. Group Printer Control Font Item Emulation Mode Print Mode Symbol Sets DRAFT Mode Zero Character Code Page 28 Microline 420/421User's Guide Settings (Defaults are set in bold italic) IBM PPR, Epson FX, ML LQ Courier, LQ Roman, LQ Swiss, LQ
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    Menu Settings Table (Continued) Group Rear Feed Bottom Feed Item Line Spacing Form Tear-Off Skip Over Perforation Page Width (wide model) Page Length Line Spacing Form Tear-Off Skip Over Perforation Page Width (wide model) Page Length Settings (Defaults are set in bold italic) 6 LPI, 8 LPI Off,
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    , 128K No, Yes * Appears only when the optional Roll Paper Stand is installed. † Appears only when the MICROLINE emulation is selected. 30 Microline 420/421User's Guide
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    Menu Settings Table (Continued) Group Setup (cont..) Item Print Registration 1 Print Registration 2 7 or 8 Bits Data Word* Operator Panel Function Reset Inhibit Print Suppress Effective Auto LF Auto CR† CSF Bin Select** Print DEL Code* Settings (Defaults are set in bold
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    IBM emulation is selected. † Appears only when optional Cut Sheet Feeder is installed. ** Appears only if the Epson emulation is selected. 32 Microline 420/421User's Guide
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    Menu Settings Table (Continued) Group Serial IF* Item Parity Serial Data 7/8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time Settings (Defaults are set in bold italic) None, Odd, Even 8 Bits, 7
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    ", 14", 17", 5", 3.5", 4", 5.5", 6", 7", 8", 8.5" 6 LPI, 8 LPI Valid, Invalid 11", 11-2/3", 12", 14", 17", 5", 3.5", 4", 5.5", 6", 7", 8", 8.5" * Appears only when the optional Cut Sheet Feeder is installed. 34 Microline 420/421User's Guide
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    Data Word, Default = 8 Change this setting to 7 if your system uses 7-bit data word lengths. Auto CR, Default =No IBM emulation only. If you want the printer automatic line feed is always in effect: this item eliminates this potential problem. If your system uses pin 14 of the parallel interface to
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    Default = Valid Change to Invalid if you want the printer to ignore the bottom margin setting. CAUTION!! Setting the Bottom Margin to Invalid can cause loss of data and damage the printhead by allowing printing without paper. this to switch to Bin 2 as the default. 36 Microline 420/421User's Guide
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    = Wide To avoid paper jams, change this setting to Narrow if you are using the optional Cut Sheet Feeder on the wide model ML421 printer. Diagnostic Test, Default = No Appears only when the optional Serial Interface is installed. Select yes to perform a diagnostic test of the serial interface
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    the printer to ignore the I- the printer's printer. Important! This feature printer off, then hold down the SEL key while turning on the printer. Page Length, Default = 11" Selects the length of the paper you are using. This enables the printer the printer to acknowledge the menu setting
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    open. Pitch, Default = 10 cpi Choose the character width, in characters per inch (cpi). Power Save Time, Default = 5 min Sets the interval the printer waits for more data before it goes into the power save mode. Power Saving must be set to Enable (the factory default) for this to be effective. Power
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    printer will stop much sooner. Reset Inhibit, Default = No Select Yes if you wish the printer or through printer commands. Note switch to another. Serial Data 7/8 Bits, Default = data format. SI Select Pitch 10 cpi, Default = 17.1 cpi IBM emulation only. Sets the pitch to be engaged when the printer
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    . Time Out Print, Default = Valid If your software spends a long time processing between portions of data it feeds to the printer, change the setting to Invalid to keep your printer from dumping the received data while it is waiting for more. Wait Time, Default = 1 sec Sets the amount of time
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 42
    the Ribbon Cartridge Important! Make sure you have the correct replacement ribbon for the your printer. The wrong ribbon will not print when installed in your printer. Look for the printer model number on the ribbon package. Ribbon Cartridge Handling • Leave unused ribbon cartridges in their
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    the ribbon shield (1) from the ribbon! 6 Close the access cover and turn the printer back on. CAUTION! If ribbon should contact the eyes: Flush eyes with large quantities of information See the Material Safety Data Sheet in your Warranty, Regulatory, and Safety Information booklet. Maintenance 43
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    Note: These instructions assume you have ready access to the back of the printer. If you do not, skip down to "Loading Rear Feed Paper from the Front of the Printer." 1 Make sure the paper lever is forward (position marked "REAR"). 2 Open the access cover (1). 44 Microline 420/421 User's Guide
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    . Lift it slightly, then slide it back. 4 Pivot the sheet guide forward and gently rest it against the roller assembly. Careful! If you push the sheet guide too hard against the roller assembly, it may dislodge it. If it does, be sure to reseat the roller assembly before continuing. Maintenance
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    ) to the reference mark (2) matching the width of the paper you are loading. Then close the lock lever on the right tractor: ML421 ML420 Note: The movement of the right tractor is limited to ensure that the paper covers the paper sensor. 7 Open the tractor covers. 46 Microline 420/421 User's Guide
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    8 Place continuous forms paper on the first two pins of either tractor. Important! You must keep the number of paper holes engaged on either pin the same. If you don't the paper will skew and jam. 10 Adjust the left tractor until the holes in the paper are centered on the pins then lock the lever
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    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 (where the printing should begin
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 49
    : These instructions assume you do not have ready access to the back of the printer. If you do, go back to "Loading Rear Feed Paper from the Rear of the Printer" earlier in this chapter. Lock Lever Upper Tractor Cover Pins 2 Open the access cover (1). 3 Grasp the tabs and lift off the sheet guide
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    paper out sensor. 5 You will find reference marks (1 in illustration below) on the printer for the two most common paper sizes: ML420: ML421: 7 Open the tractor covers and place continuous forms paper on the first two pins tractor to fit the width of the paper. 50 Microline 420/421 User's Guide
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    8 Adjust the position of the right tractor to center the holes in the paper on the pins. Then, close its tractor cover and push back 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. Maintenance 51
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    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 the page. To change the setting, see "Top of Form (TOF)" in Chapter 3. 52 Microline 420/421
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    Feed (Single Sheets) Note: 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 center position (marked "TOP"). 3 Open the acoustic cover (1) and raise the
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 54
    4 Adjust the paper feed guides (1) for the width of the paper, then place a sheet of paper in the separator. The paper will feed into the printer. Important! If the paper does not feed in, remove it. Check the the setting, see "Top of Form (TOF)" in Chapter 3. 54 Microline 420/421 User's Guide
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    back the paper all the way out of the printer. CAUTION! Make sure the printer is turned off before you open the access cover. 3 Open the access cover (1) and remove the pull-up roller assembly (2). Remove any torn pieces of paper. 5 Lift the sheet guide (1) and reload paper. Make sure you lock the
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    paper all the way out of the printer. CAUTION! Make sure the printer is turned off before you open the access cover. 3 Open the access cover (1) and remove the pull up roller assembly (2). Then grasp the tabs (3) on the sheet guide (4) and lift it off the printer. 56 Microline 420/421 User's Guide
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    and lock the covers. 8 Load regular paper, close and lock the tractor covers. 9 Install the sheet guide, then install the pull-up roller assembly and close the access cover. 6 Use the platen knob to draw platen knob to back the paper out. 10 Turn the printer on and press FF/LOAD. Maintenance 57
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    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). 58 Microline 420/421 User's Guide 4 Remove any torn pieces from around the carriage. 5 Reinstall the pull-up roller assembly and
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    use strong solvents or strong detergents on the cabinet-they could damage the housing. 1 Turn off the printer. 2 Use the platen knob to back the paper out of the printer. CAUTION! Make sure the printer is turned off before you open the access cover. 3 Open the access cover (1) and remove the pull
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    are some general things to check before proceeding with detailed troubleshooting. • Is the printer plugged in and turned on? • Are the connections ? • Is an Oki ribbon being used? • Is the printhead gap correctly set? • Are the correct printer drivers being used for the printer? Note: Settings in
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    " in Chapter 4. Problem Nothing happens when I turn on the printer. Solution Check the power cord connection to the outlet and to the printer. If you are using a power strip, make sure it is turned on, and that the fuse hasn't blown or that the circuit breaker hasn't tripped. Troubleshooting 61
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    be sure that it is firmly seated in the printer. Problem I'm getting strange symbols, incorrect fonts, etc., when I try to print a document. Solutions 1 Check to be sure that the printer driver you have selected in your software matches the printer emulation. • Press SHIFT and SEL keys, then press
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 63
    position. Enter the Menu and set the Centering Position to MODE 1. See "Using Your Printer, Menu Mode." For the wide-carriage printer, if MODE 1 doesn't work, try setting the Centering Position to MODE 2. Problem I've installed a new ribbon and the printing is smeared and streaked. Solution The
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    setting. If that doesn't help, the printhead may be damaged; call for service. Problem 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 The ALARM light is on and the Character Pitch 10 light is flashing
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    Try moving the paper guides together so that the paper rests on the guides rather than on the separator. Problem The Print Quality and Character Pitch keys on the front panel don't work. Solution The Operator Panel Function in the printer menu can be used to disable these buttons (Limited Function
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 66
    • Consult the dealer where your purchased your printer. • Locate an Authorized Oki Data Reseller by visiting one of our web sites http://my.okidata.com (allows you to register your product and personalize your own support needs) http://www.okidata.com (provides general information) • In the United
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 67
    Models Ribbon Cartridge 42377801 Platen Knob 51902220 Power Cord 56631801 Printhead 41923901 Model ML420 Access Cover 42115401 Sheet Guide 51009509 Pull-Up Roller Assembly 42044701 Model ML421 Access Cover 42115301 Sheet Guide 51009410 Pull-Up Roller Assembly 42045701 Accessories 67
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    Tractor, Top-Mount 70030501 Push Tractor, Bottom-Mount 70030701 Roll Paper Stand 70023301 Model ML421 Pull Tractor, Top-Mount 70030601 Push Tractor, Bottom-Mount 70030801 Both Models Cut 6010 10 Base-T Ethernet External Print Server (not shown 70034401 68 Microline 420/421 User's Guide
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    CD. To access it: 1 Place the CD in your CD-ROM drive and wait for it to AutoPlay. 2 Select your printer model, then click Continue. 3 Click Documentation and follow the on-screen prompts to view the file. IBM Proprinter III Commands IBM Command Backspace Carriage Return
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    74 n 27 93 27 53 49 27 53 48 27 48 27 49 27 65 n 27 50 27 37 57 n 27 51 n 70 Microline 420/421 User's Guide
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    ESC _ 1 ESC _ 0 Paper Out Sensor Off Paper Out Sensor On ESC 8 ESC 9 Print Quality, Select HSD ESC # 0 Print Suppress Mode On ML420 ML421 Print Suppress Mode Off ESC Q ETX ESC Q SYN DC1 Proportional Spacing On ESC P 1 Proportional Spacing Off ESC P 0 Reset: Clear Print Buffer CAN Decimal 27
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    27 87 48 27 69 27 70 27 71 27 72 27 116 48 27 116 49 27 52 27 53 12 72 Microline 420/421 User's Guide
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    Epson FX Commands (continued) Epson Command Form Length n Inches (n = 1 to 22) n Lines (n = 1 to 127) Horizontal Tab Justification Left Center Right Full Line Feed, Execute Select 10 cpi Select 12 cpi w/ Carriage Return n/216" (n = 0 to 255) n/144" (n = 0 to 127) Reverse, n/216" (n = 0 to 255)
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    107 49 27 120 48 27 115 49 27 115 48 19 17 27 112 49 27 112 48 74 Microline 420/421 User's Guide Epson Command ASCII Reset Printer Clear Buffer & Initialize ESC @ Clear Print Buffer CAN Skip Over Perforation, Cancel ESC O Software I-Prime ESC } NUL Subscript On ESC S 1 Superscript On
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    MICROLINE Standard Commands Oki Command Backspace Carriage Return Character Pitch Select 13 30 28 27 103 29 27 35 51 27 33 48 27 33 49 27 33 50 27 33 90 Oki Command Slashed Zero Unslashed Zero Double Height On Double Height Off Double Width Printing Emphasized Printing On Emphasized Printing Off
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    0 Decimal 10 27 18 27 37 53 n 27 10 27 54 27 56 27 37 57 n 27 71 n n 27 37 83 48 Oki Command Paper Out Sensor Off Paper Out Sensor On Print Quality Select HSD/SSD Select NLQ Courier Select NLQ Gothic Select Utility Print Speed, Set 62 27 60 19 17 27 89 27 90 24 76 Microline 420/421 User's Guide
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    MICROLINE Standard Commands (continued) Oki Command Shift-In Shift-Out Software I-Prime Subscript Printing On Subscript Printing Off Superscript Printing On Superscript Printing Off Underline Printing On Underline Printing Off
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    Appendix C: Specifications Note: Specifications are subject to change without notice. Print Method Impact dot matrix Printhead 9 pins, 0.30 mm (0.0118") diameter, with thermal protection Interfaces Standard: Centronics parallel, IEEE-1284 compliant USB 1.1 Optional: RS-232C Serial Ethernet Print
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 79
    Emulations (co-resident) • IBM Proprinter III • Epson FX • Oki MICROLINE Standard Print Speed Mode Super Speed Draft (SSD) High Speed Draft (HSD) Utility Near Letter cpi 17.1 cpi 20 cpi ML420 80 cpl 96 cpl 120 cpl 137 cpl 160 cpl ML421 136 cpl 163 cpl 204 cpl 233 cpl 272 cpl Specifications 79
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    Graphics Resolution Emulation IBM, Epson Oki MICROLINE Density Single Double Quadruple Single Double Quadruple Max. Resolution (Dots per inch) 60 x 216 dpi 120 x 216 " (0.36 mm) maximum Bottom Feed: 0.017" (0.44 mm) max. Requires optional push or pull tractor. 80 Microline 420/421 User's Guide
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    Paper Specifications: ML420 Single (Cut) Sheets Feed: Top Only Weight: 14 to 24 lb. US Bond (52.6 to 90 g/m2) 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/m2) Width Range: 3" to 10" (76 to 254 mm) Carbonless
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 82
    Paper Specifications: ML421 Single (Cut) Sheet Feed: Top Only Weight: 14 to 24 lb. US Bond (52.6 to 90 g/m2) Width Range: 7.2" to 14.3" (182.8 Weight: Max. 100 lb. Index (180 g/m2) Width Range: Not applicable * Bottom feed requires optional pull or push tractor 82 Microline 420/421 User's Guide
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    W idle Physical Specifications Note: Height dimensions do not include the acoustic cover. ML420 Size (WxDxH): 17.1" x 16.1" x 6" (434 x 409 x 153 mm) Weight: 16.7 lbs. (7.6 kg) ML421 Size (WxDxH): 23.1" x 16.1" x 6" (588 x 409 x 153 mm) Weight: 21.1 lbs. (9.6 kg) Specifications 83
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 84
    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 Keep your packing materials and carton in case you ever need to ship or transport the printer. • Interface cable and paper are sold separately
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    1 Remove any packing tape, then grasp the tabs (1) at either end of the access cover and pivot it toward the front of the printer as far as it will go. 3 Remove the shipping restraint from the pull-up roller assembly (1). 2 Remove the printhead shipping restraint. Installation 85
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    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 press down to secure the separator in place. 86 Microline 420/421 User's Guide
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 87
    ; the ribbon ink may cause permanent stains. • Ribbon ink on skin or clothing can usually be removed with soap and water. 1 Make sure the printer is turned OFF. 2 Open the access cover and center the printhead (1). CAUTION! The printhead may be HOT! 3 Unpack the new ribbon cartridge and install
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 88
    1 Make sure the printer and computer are both turned off. 2 Attach a suitable bidirectional cable to the parallel connector on the back of the printer. Then attach and secure the cable to your computer. 3 Turn on the printer. 88 Microline 420/421 User's Guide 3 Turn the printer and computer back
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 89
    , 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 your computer. Loading Paper For instructions on loading paper, see "Loading Paper" in
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 90
    Important! Wide carriage Model ML421: If you are using 8.5" paper to run the tests, make sure the paper width selection in the printer menu is set to 8.5 inches. Otherwise, printing on the platen may damage the printer. See Chapter 4: Menu Mode for more information. 90 Microline 420/421 User's Guide
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 91
    Rolling ASCII Test Important! Wide carriage Model ML421: If you are using 8.5" paper to run the tests, make sure the paper width selection in the printer menu is set to 8.5 inches. Otherwise, printing on the platen may damage the printer. See Chapter 4: Menu Mode for more information. The Rolling
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 92
    : • Press the SEL key. or • Turn the printer off, then on again. The Oki driver for your printer is provided on the CD included with the printer. You can either load the Oki driver or select one of the compatible drivers listed below in your software application. 92 Microline 420/421 User's Guide
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 93
    the CD into your CD-ROM drive. 4 Follow the on-screen instructions to install the software for your printer model. Using a Compatible Driver Note: See your software documentation for information on how to select a printer driver. The drivers below are listed by decreasing compatibility with your
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 94
    Index A Accessories 68 Alignment problems 9 ASCII Test 91 Auto Carriage return 35 Auto LF (Line Feed Per Second (CPS 7 Code Page Character Set 36 Codes, Printer Control 69 Commands Epson FX 72-74 IBM Proprinter III 69-71 Oki Microline Standard 75-77 Control Codes 69 Cut Sheet Feeder 68
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 95
    F Factory defaults, menu mode 26 Font Sample Test 90 Fonts Embedded Printer Commands 62 Resident 80 Selecting 40 Forms Tear-Off 37 Changing 18 Top of Form 12, 17 Wait Time 41 Front Panel Keys 9 Menu Mode
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 96
    Oki MICROLINE Standard Commands 75-77 Operator Panel Function 65 Options 66 P Page Length Rear Feed 29 Top Feed 30 Page Width 39 Bottom Feed 29 Rear Feed 29 Setting in the Printer 31, 40 Printer Control Codes 69-77 Printer Drivers, Selecting 92-93 Printer Parameters 25 421 User's Guide
  • Oki ML421 | Guide: User's, ML420/421 (English) - Page 97
    Option 62 Server, Print Option 68 Sheet Guide 67 Single Sheet Cut Sheet Feeder Option 68 Jams 58 Loading 53 Skip Over Perforation 29 Software Embedded commands 62 Matching drivers to emulations ......... 62 Software vs. printer settings 61 Specifications 78 Standard Character Set 28
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User’s
Guide
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