Instruction/ maintenance manual of the product Microline 521 OKI
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Chapter 0 Manual Front Cover MICROLINE ® 520/521 Printer Handbook 59256804 Printed in USA Division of Oki America, Inc. ML520/521 ( 96-02-04 ).
Chapter 1 Unpacking Unpacking Choose a sturdy table, desk or printer stand to place your printer on when you remove it from the carton. Be sure to save all packing materials in case you need to ship the printer again. Check the box for these contents: 1) Printer 2) Ribbon cartridge 3) Power cord Note: Interface cable and paper are sold separately.
Remove The Protective Film Remove The Protective Film Peel the clear protective film from the carriage cover (1). Lift up on the ridged area at either end of the carriage cover ( 2 ), and peel the clear protective film from the access cover ( 3 ). Press the carriage cover back into place.
Remove The Shipping Retainers Remove The Shipping Retainers Open the access cover ( 1 ) by grasping the tabs at either end and lifting. Remove the printhead shipping retainer ( 2 ), leaving the cover open. Grasp the front edge of the paper separator ( 3 ) and pull it up.
Install (or Replace) The Ribbon Cartridge Install (or Replace) The Ribbon Cartridge Note: Be sure to use only ribbons specifically for use with MICROLINE 520/521 printers. For best results, use genuine OKIDATA ribbons, Part No. 52107001. With the access cover open, slide the printhead ( 1 ) to the center of the platen.
ML520/521 ( 96-02-04 ).
Connect to Power and Computer Connect to Power and Computer You must supply the cable for connecting your printer to your computer. A shielded cable is required in order to ensure compliance of this equipment with FCC regulations. Make sure both the printer and the computer are OFF.
Power Up Power Up Turn the printer on. The printhead will cross back and forth along the platen, and the pins will gently fire to determine the printhead gap setting. The POWER light will come on. The ALARM light will also come on, but don't be concerned: it's just telling you that there is no paper loaded.
Chapter 2 Loading paper Your printer has provision for · Single sheets (top feed) · Continuous-forms (rear feed) You can also install options: · Cut Sheet Feeder, for top feed, holds 100 sheets · .
Loading Rear- Feed Paper Loading Rear- Feed Paper The rear-feed path is recommended for printing reports, etc., on single-thickness, continuous-form paper.
marks ( 7 ) on the printer indicate the left edge position for the two most common paper sizes. Lock the left tractor in place by pushing back on the lock lever.
Loading Single-Sheet Paper Loading Single-Sheet Paper The single sheet path is best for letterhead stationery, memos, and envelopes and is recommended for printing graphs and charts because it provides the most accurate control of the paper.
ML520/521 ( 96-02-04 ).
Setting Top of Form Setting Top of Form Make sure the printer is deselected (SEL light off if necessary, press SEL button to deselect printer). Hold down the SHIFT button ( 1 ) and press: FF/ LOAD but.
Temporarily Changing Top of Form Setting Temporarily Changing Top of Form Setting To temporarily change the Top of Form setting for a particular print job, deselect the printer (press SEL button) and press the LF button (1 ) until you reach the TOF position you want to use.
Resetting Top of Form to Default Resetting Top of Form to Default To reset the Top of Form to the factory default, turn off printer, then hold down the QUIET ( 2 ) and PARK ( 3 ) buttons while turning printer back on.
Tear Feature Tear Feature When you're using continuous forms with either the built-in rear-feed tractor or the optional bottom- feed push tractor, you can use this feature to advance the forms up to the tear position so you can easily tear off a printed sheet without wasting paper or readjusting the printer.
Forms Tear- off Feature Forms Tear-off Feature Note: Never Engage the Forms Tear-off when printing on labels! The Forms Tear-off feature can be engaged to automatically move the paper up to the tear position after the selected interval (500 milliseconds, 1 second, or 2 seconds).
Paper Park Feature Paper Park Feature To switch from continuous form paper to another paper path, tear off the printed pages, then press the PARK button ( 1 ).
Switching Paper Paths Switching Paper Paths To switch to single-sheet feed, tear off any printed pages, then press PARK. Swing the wire guide up into the paper separator, and swing the separator upright. Move the paper lever to TOP. Load single sheet paper.
Clearing Paper Jams - Rear Feed Jams Clearing Paper Jams Note: Always turn the printer off before you turn the platen knob! Clearing Rear Feed Jams To clear a rear- feed paper jam, turn off printer then turn the platen knob to back the paper out of the printer.
Clearing Single Sheet Feed Jams Clearing Single Sheet Feed Jams Turn the printer off, then rotate the platen knob to back the jammed paper out of the carriage. If necessary, open the access cover and lift off the pull-up roller assembly ( 1 ) to provide access to remove any ripped pieces from around the carriage.
Chapter 3 Testing Your Printer: Rolling ASCII & Font Sample Tests After you've installed ribbon and paper, you're ready to run the self tests.
Chapter 4 Basic Terminology Printer Commands Basic Terminology Printer Commands Printer commands are signals sent by your computer to the printer which guide and control the operation. They usually begin with the ESC character and can be sent in decimal, ASCII, or hexadecimal form.
Emulations Emulations Your printer has three emulations: · IBM Proprinter III (factory default) · Epson FX · OKIDATA Microline Standard ML520/521 ( 96-02-04 ).
Changing Emulations Changing Emulations Your printer is set at the factory for the IBM Proprinter III emulation. To change the emulation, enter the Menu mode by holding the SHIFT button while pressing the SEL button.
Printer Drivers Printer Drivers Commercial software packages use printer drivers to control the appearance of printed documents. A printer driver is a set of printer commands which cause the printer to perform various functions at the request of the software.
Selecting a Printer Driver Selecting a Printer Driver The drivers in the table below are listed by decreasing compatibility with your printer: use one as close to the top of the list as possible.
Chapter 5 Control Panel Indicator Lights Control Panel Indicator Lights ML520/521 ( 96-02-04 ).
Control Panel Buttons: Print Mode Control Panel Buttons: Print Mode ML520/521 ( 96-02-04 ).
Control Panel Buttons: Menu Mode Control Panel Buttons: Menu Mode ML520/521 ( 96-02-04 ).
Print Mode Print Mode The seven buttons to the left on your control panel are multi-function buttons. In the print mode, they are used to manipulate the paper (see the illustration on the first page of this chapter).
Selecting Print Quality Selecting Print Quality Press the PRINT QUALITY button successively until the light underneath the print quality you wish to engage is lit: Note: Your printer also prints bar codes accessible through printer commands.
Selecting Character Pitch Selecting Character Pitch Note: If the SI command is received from your software, the character pitch selected on the control panel will be overridden by the SI command. Character pitch determines the width of the individual characters and is measured in characters per inch (cpi).
Available Fonts Available Fonts Typeface Spacing NLQ Courier 10 cpi*, 12 cpi, 15 cpi, 17 cpi, 20 cpi, Proportional NLQ Letter Gothic 10 cpi*, 12 cpi, 15 cpi, 17 cpi, 20 cpi, Proportional Utility (Goth.
Menu Mode Menu Mode When your printer is in the Menu Mode, you can use the front panel controls to change the defaults for the printer parameters, including emulation, page length, line spacing, typeface, pitch, etc.
The Menu Mode: Entering, Exiting and Reseting Entering The Menu Mode To place your printer in the Menu Mode hold the SHIFT button while pressing the SEL button. The MENU light will come on and, if the printer was selected, the SEL light will go out. Exiting The Menu Mode To exit the Menu Mode, hold the SHIFT button and press the SEL button.
Sample Default Menu Printout Sample Default Menu Printout Note: To print out a list of your current Menu settings, enter the Menu Mode, then press the PRINT button.
Summary of Menu Settings Summary of Menu Settings The table below details all possible entries in the printer Menu. The defaults are the First Item in the Settings. Group Item Settings Printer Control Emulation Mode IBM PPR, Epson FX, ML Font Print Mode Utility, NLQ Courier, NLQ Gothic, HSD Font Pitch 10 cpi, 12 cpi, 15 cpi, 17.
Bottom Feed Gap Control Auto Gap,Semi Auto Gap, 1, 2, 3, 4, 5, 6, 7, 8, 9 Top Feed Line Spacing 6 LPI, 8 LPI Top Feed Bottom Margin Valid, Invalid Top Feed Page Width* 13.
Explanation of Menu Items Explanation of Menu Items These explanations are in alphabetical sequence. Line Spacing, Form Tear-Off, Skip Over Perforation, Page Length, and Gap Control appear several times in the menu. 7 or 8 Bit Graphics. Choose graphics your system uses: 7 or 8 (factory default) dots in each column printed.
then hold down theSEL key while turning the printer on. Page Length. Selects the length of the paper you're using. Page Width (Model 521 only). Choose 8 for letter- size paper. Paper Out Override. Senses when less than one inch of paper remains and stops printing.
Chapter 6 Problem Solving Problem Solving Problem: Nothing happens when I turn on the printer. Solution: The printer may not be plugged in. Check the power cord connection to the outlet and to your printer. If you're using a power strip, make sure it's turned on.
Problem: The first line is printing too far down on the page and I can't get it any higher using the SHIFT and LF/MicroFeed Down buttons. Solution: The setting for the Top of Form (TOF) will be restricted if you have the Forms Tear- Off feature engaged when you set the TOF.
Maintenance Cleaning the Housing Maintenance Cleaning the Housing You should clean the printer every six months (or after about 300 hours of operation).Turn the printer OFF and remove the paper from the path. Open the access cover and remove the pull- up roller assembly ( 1 ).
Appendix A Specifications Printhead 9 pins, 0.34 mm diameter, automatically adjusting to paper thickness, with thermal protection Print Speed Mode Characters per second at 10 Cpi High Speed Draft (HSD.
Paper Specifications Dimensions (W ´ ´ D ´ ´ H) Model 520: 17 ´ 15 ´ 6½ inches (431 ´ 380 ´ 166 mm) Model 521: 23 ´ 15 ´ 6½ inches (585 ´ 380 ´ 166 mm) Weight Model 520: 17 lb.
An important point after buying a device OKI Microline 521 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought OKI Microline 521 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data OKI Microline 521 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, OKI Microline 521 you will learn all the available features of the product, as well as information on its operation. The information that you get OKI Microline 521 will certainly help you make a decision on the purchase.
If you already are a holder of OKI Microline 521, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime OKI Microline 521.
However, one of the most important roles played by the user manual is to help in solving problems with OKI Microline 521. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device OKI Microline 521 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
