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User’s
Guide
59348301
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ML 420/421 User’s Guide Trademark Information P/N 59348301, Revision 1.2 OKI and MICROLINE are registered trademarks of Oki Electric Industry February, 2006 Company, Ltd. Every effort has been made to ensure that the information in Epson is a registered trademark of Epson America, Inc. this document is complete, accurate, and up-to-date. Oki Data IBM is a registered trademark of International Business Machines assumes no responsibility for the results of errors beyond its Corp.
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Safety Your Oki printer has been carefully designed to give you years Be certain that your power source matches the rating listed of safe, reliable performance. As with all electrical equipment, on the back of the printer. If you aren’t sure, check with your there are a few basic precautions you should take to avoid dealer or with your local power company. hurting yourself or damaging the printer: Your printer has a grounded, 3-prong plug as a safety feature. It will only fit into a grounded
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Unplug the printer before you clean it. Use only a damp If anything happens that indicates that your printer is not cloth. Do not use liquid or aerosol cleaners. working properly or has been damaged, unplug it immediately. Then, follow the procedures in “Service and To protect your printer from overheating, make sure no Support” for having your printer serviced. openings on the printer are blocked. Do not put the printer on or near a heat source, such as a radiator or heat register. If The
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Contents Top of Form (TOF) ....................................................................... 12 Safety............................................................................ 3 Top of Form (TOF) and Forms Tear-Off.................................... 12 Chapter 1: Introduction ............................................. 7 Determining if Forms Tear-Off is Off or On .............................. 13 Printer Features .......................................................................
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Chapter 4: Menu Mode ............................................ 25 Appendix B: Printer Control Codes ....................... 69 Menu Mode Keys ....................................................................... 25 IBM Proprinter III Commands ..................................................... 69 Entering and Exiting Menu Mode ............................................. 26 Epson FX Commands ................................................................... 72 Resetting the Menu to the
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Chapter 1: Introduction Printer Features Oki Data on the Internet Super reliable, durable operation: 20,000 hours Mean Time The Oki Data Web Sites provide the most current information Between Failures (MTBF) at 25% duty cycle and 35% page available on your printer. density On-line documents are available for viewing and downloading Advanced paper handling, with built-in rear push tractor and via Oki Data’s Web Sites. zero-tear forms capability. You may reach Oki Data via the Internet at: B
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Chapter 2: Helpful Hints Saving Money: Forms Tear-Off Saving Time The Forms Tear-Off feature allows a printed continuous forms Internet Support page to be torn off without wasting paper or adjusting the Oki Data provides support via the Internet: printer. www.okidata.com is the main web site, the gateway to Oki When printing stops, Forms Tear-Off automatically moves the Data’s products and services. paper to align the perforation with the tear bar (located under the access cover), after a time
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Turning the Platen Knob Operation Tips Top of Form (TOF) Important! Always turn the printer off before turning the platen knob! If Top of Form (TOF) sets the print start position. The factory you turn the platen knob when the printer is on, the Top of default is 1" from the top. Form misaligns. 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 overall Controlling Access to the Printer amount of adjustment is limited to avoid paper
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Chapter 3: Using Your Printer Note: For rear feed, the paper lever must be forward. 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 10
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Note: For single-sheet printing, the paper lever must be in the Parts Identification: Top Feed middle position. (Single Sheets) Paper Guides Sheet Guide Paper Lever On-Off Switch Platen Knob Control Panel Acoustic Cover (open) Using Your Printer 11
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Top of Form (TOF) and Forms Tear-Off Top of Form (TOF) Note: Your software may print the first line of print above or Important! below where TOF is set. You may need to adjust the If you turn the platen knob when the printer is on, the Top of TOF to meet your software’s requirements. Form misaligns. Always shut the printer off before turning the platen knob! The Top of Form and Forms Tear-Off settings of your printer interact. How you set the Top of Form depends on whether Note: The factory defa
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To use the TEAR key: Determining if Forms Tear-Off is Off or On 1 Make sure paper is loaded. There are two ways to determine the status of the Forms Tear-Off menu setting: 2 Press TEAR (3). If the paper moves up, Forms Tear-off is off. Print the Menu. Use the TEAR key. If the paper moves down, Forms Tear-off is on. 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 PARK (4) to print the menu. 4 Look for the Form Tear-Off s
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With paper loaded and the printer on and selected: Setting Top of Form (TOF): 1 Press SEL | MENU (1) to take the printer off line. Forms Tear-Off OFF (Default Setting) The SEL light goes out. Important! 2 Press and hold SHIFT (2), then If you turn the platen knob when the printer is on, the Top of Form misaligns. Always turn the printer off before turning Note: When you begin pressing the Micro Feed key, the printhead will move to the right. the platen knob! Press LF | Micro Feed Down (3) to s
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2 Press SHIFT (2) and QUIET/TOF (7) to reset the current TOF. Setting Top of Form (TOF): 3 Press FF/LOAD (4) to load the paper. Forms Tear-Off Set to ON 4 Wait briefly until the paper moves up to the tear position, Important! then press and hold TEAR (5). If you turn the platen knob when the printer is on, the Top of The paper moves to the current TOF. Form misaligns. Always turn the printer off before turning 5 Keep holding TEAR, then press and hold SHIFT (2) and the platen knob! release TEAR.
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Temporarily Changing the Top of Form Resetting Top of Form to the Factory Default The factory default setting for the Top of Form (where the Position printing should begin) is 1" down from the top of the page. Important To reset the Top of Form to the factory default: Do not use the platen knob to change the Top of Form. If you turn the platen knob when the printer is turned on, the Top of 1 Remove paper from the paper path. Form misaligns. Always turn the printer off before turning 2 Turn the p
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Notes: The status of the Forms Tear-Off menu setting affects Forms Tear-Off Feature how you set the Top of Form: see “Top of Form (TOF) Note: This feature is normally turned off. To use Forms and Forms Tear-Off” earlier in this chapter. Tear-Off, you must enter the menu and change the Do not use Forms Tear-Off with labels or multipart setting to the desired time interval (see next page). forms! The Forms Tear-Off feature allows a printed continuous forms page to be torn off without wasting paper
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Changing the Forms Tear-Off Setting Manual Forms Tear Off If you don’t wish to engage the Forms Tear-Off feature, you Note: The default setting for Forms Tear-Off is OFF. can advance rear-feed continuous forms loaded on the built-in tractor or bottom-feed continuous forms loaded on the optional push tractor up to the tear off position manually by pressing TEAR (5). Paper Park To change the Forms Tear-Off setting: Important! 1 Press SHIFT (2) + SEL (1). Never park labels! 2 Press GROUP (3) re
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4 Move the paper lever (1) to the middle position marked Changing Paper Paths “TOP.” Continuous Forms to Single Sheets 1 Tear off any printed pages, then press PARK. 2 Raise the sheet guide (1) to the single-sheet feed position. 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 19
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4 Move the paper lever to the appropriate position. Single Sheets to Continuous Forms 1 Press FF/LOAD to remove the single-sheet paper. Rear feed: 2 Lower the sheet guide into the continuous-forms position. Bottom feed: 3 Swing the wire feed guide over onto the pull-up roller. 5 If necessary, load continuous-form paper. 6 Press FF/LOAD. 20 Microline 420/421 User’s Guide
