OKI® MICROLINE® 310

Printer Handbook

P/N 59342501 Every effort has been made to ensure that the information Microsoft and MS-DOS are registered trademarks and in this document is complete, accurate and up-to-date. Oki Windows is a trademark of Microsoft Corporation in the Data assumes no responsibility for the results of errors and other countries. beyond its control. Oki Data also cannot guarantee that changes in software and equipment made by other Year 2000 Compliance manufacturers, and referred to in this handbook, will not affect the applicability of the information in this manual. All products currently sold by Oki Data are Year 2000 Mention of software products manufactured by other Compliant. Each product contains information technology companies does not necessarily constitute endorsement by that accurately processes date and time data between the Oki Data. years 1999 and 2000, and carries no issue for the September 9, 1999 (9999) programming concern. These © 2002 by Oki Data. products, when used in combination with products Written and produced by the Oki Data Training and purchased from other manufacturers, whose products Publications Department. Please address any comments on properly exchange data and time information, will this publication to: accurately process the date and time. All future products Training & Publications Dept. are committed to meeting the same Year 2000 compliance. Oki Data Americas, Inc. 2000 Bishops Gate Blvd. ENERGY STAR Mount Laurel, New Jersey 08054-4620 As an ENERGY STAR® Partner, Oki Data OKI, OKIDATA and MICROLINE are registered has determined that this product meets trademarks of Company, Ltd. the ENERGY STAR guidelines for energy ENERGY STAR is a registered trademark of the United States efficiency. Environmental Protection Agency. is a registered trademark of Epson Corporation (SEC), registered in the U.S. and other countries. Important Safety Instructions

Your OKI has been carefully designed to give you • Be certain that your power source matches the rating years of safe, reliable performance. As with all electrical listed on the back of the printer. If you aren’t sure, equipment, there are a few basic precautions you should check with your dealer or with your local power take to avoid hurting yourself or damaging the printer: company. • Carefully read all setup and operating instructions. Be • Your printer has a grounded, 3-prong plug as a safety sure to save all documents for future reference. feature. It will only fit into a grounded outlet. If you • Read and follow all warning and instruction labels on can not plug it in, chances are that you have an older, the printer itself. non-grounded outlet. Contact an electrician to have it • Place your printer on a firm, solid surface. If you put in replaced with a grounded outlet. Do not use an adapter on something unsteady, it might fall and be damaged. to defeat the grounding. • Avoid overheating the printer. Do not place it on a soft • To avoid damaging the power cord, do not put anything surface, such as a rug, sofa, or bed. The vents may be on it or place it where it will be walked on. If the cord blocked, causing the printer to overheat. becomes damaged or frayed, replace it immediately. • The printer must be installed near a power outlet which will remain easily accessible.

Printer Handbook: English | 3 • If you’re using an extension cord or power strip with the • Do not poke anything into the ventilation slots on the printer, make sure that the total of the amperes required sides of the printer. You could get a shock or cause a by all the equipment on the extension is less than the fire. extension’s rating. Generally, the total ratings of all • Aside from the routine maintenance described in this equipment plugged into any one power line should not document, don’t try to service the printer yourself. exceed 15 amperes. Don’t exceed this unless you know Opening the cover may expose you to shocks or other that the power line your equipment is plugged into has a hazards. Don’t make any adjustments other than those rating above 15 amperes. outlined in the document. You might cause damage • Unplug the printer before you clean it. Use only a damp requiring extensive repair work. cloth. Do not use liquid or aerosol cleaners. • If anything happens that indicates that your printer is • To protect your printer from overheating, make sure no not working properly or has been damaged, unplug it openings on the printer are blocked. Do not put the immediately and have your printer serviced. printer on or near a heat source, such as a radiator or These are some of the things to look for: heat register. If you put the printer in any kind of – The power cord or plug is frayed or damaged. enclosure, make sure it is well ventilated. – Liquid has been spilled into the housing, or the • The printhead can get quite hot when it has been printer has been exposed to water. printing for a length of time. Do not touch the printhead until it has had a chance to cool off. – The printer has been dropped or its cabinet has been damaged. • Do not use your printer near water. Do not spill liquid of any kind into it. – The printer doesn’t function normally when you’re following the operating instructions.

4 | Safety Table of Contents

Setting Up ...... 6 Controlling the Printer...... 21 Components ...... 6 The Front Panel ...... 21 Remove the Shipping Materials ...... 7 Printer Driver ...... 23 Install/Replace the Ribbon Cartridge ...... 8 Appendix A: Replacement Parts ...... 25 Install the Platen Knob ...... 10 Install the Paper Separator ...... 10 Appendix B: Control Circuit Board Switches 27 Install the Power Cord ...... 11 Appendix C: Specifications ...... 29 Connect To the Computer ...... 11 Load Paper ...... 12 Index ...... 31 Loading Continuous Form Paper for Bottom Feed . 13 Loading Continuous Form Paper for Rear Feed ..... 16 Loading Single Sheets ...... 19 Run the Self Test...... 20

Printer Handbook: English | 5 Setting Up

Components Power cord Paper separator Unpack the box and check for the following: • Grounding screw (not illustrated: see “Connect to the ✔ Interface cables and paper are sold separately. Computer” later in this section) • CD (not illustrated) ML310 Printer Ribbon cartridge ✔ If any of these items is missing or damaged, see your Platen knob dealer for a replacement.

6 | Remove the Shipping 4 Pull up on the access cover to unsnap it, then remove it. Materials 1 Remove any packing tape. 2 Check for a protective film on the front panel, and remove it. 3 Lift off the acoustic cover.

5 Remove the shipping retainer that secures the printhead during shipment. Save it in case you ever need to ship the printer.

Printer Handbook: English | 7 2 Center the printhead (1) so that it’s away from the bail Install/Replace the Ribbon rollers. Make sure the bail is closed (lever back). Cartridge 1 If necessary, lift off the acoustic cover and remove the access cover. ë Caution! It is recommended that the printer be switched off prior to removing the access cover. The printhead can get very hot during extended periods of printing—be sure to let it cool off before you touch it.

à Leave the clear plastic ribbon shield (1) on the cartridge! Use only genuine Oki Data ribbon cartridges.

8 | Setting Up 3 If you are replacing the ribbon cartridge, grasp the ✔ If the ribbon won’t load easily, turn the knob slightly sides of the cartridge at either side of the printhead until the x-shaped notch on the bottom of the ribbon (Caution! printhead can be HOT!), then lift the used cartridge aligns with the x-shaped insert on the ribbon cartridge out and discard it. plate. 4 With the knob side up, tilt the new ribbon cartridge onto 5 Press on the cartridge until you feel it snap into place. the printhead plate so that it slides into the area of the plate that is closest to the front of the printer, then lower the ribbon shield over the printhead (Caution! Printhead may be HOT!), aligning the tabs with the inserts on the printhead plate.

6 If you are replacing the ribbon cartridge, put the access cover back on and press down until it snaps into place, then replace the acoustic cover.

Printer Handbook: English | 9 Install the Platen Knob Install the Paper Separator Insert the knob in the hole on the right side of the printer, Place the tabs (1) on the paper separator into the slots (2) lining up the notch in the knob with the pin on the shaft. on the printer, then press down to snap it in place.

10 | Setting Up Install the Power Cord Connect To the Computer 1 Make sure the printer is turned off. ✔ The interface cable is not supplied with the printer.

1 Insert the plug into the parallel port on the back of the printer (1) and secure it with the wire clips (2).

2 Plug the power cord supplied with your printer into the power socket (1).

2 If necessary, use the grounding screw suplied with the printer to attach the frame ground wire to the hole (3) at the right of the parallel port. 3 Connect the other end of the cable to the computer. à The outlet voltage must match the voltage marked 4 Turn the printer on. on the printer label.

3 Plug the opposite end into a grounded outlet.

Printer Handbook: English | 11 Load Paper Paper Lever Positions

✔ The maximum usable thickness of multi-part forms is 0.014 inch (0.36 mm). = Continuous Forms

Set the Printhead Gap Lever Before you load continuous paper, be sure to set the blue printhead gap lever (1) as follows: = Single Sheet

Bail Lever Positions

• position 1 for 1- or 2-part paper • position 2 for 3- or 4-part paper • position 3 for 5-part, extra-thick paper. Open Closed

12 | Setting Up Loading Continuous Form Paper for 2 Place the paper stack on the bottom of the printer stand. Bottom Feed ✔ If the printer is on and selected (SELECT light on), press the SELECT button to deselect it. ✔ If you are reloading paper, remove the acoustic cover and the access cover.

3 Pull the paper lever (1) forward (continuous forms position) and open the bail lever (2).

1 Set the printer on a slotted printer stand (optional, available from third party), aligning the opening in the base of the printer with the slot on the stand.

Printer Handbook: English | 13 4 Slide the paper through the opening in the base of the 6 Pull up the lock levers (1) to release the tractors and printer, then push the paper lever (1) back (single sheet open the tractor covers (2). position) and turn the platen knob (2) to move the paper up level with the paper bail (3).

✔ The pins (1) at either end of the platen are not used with the pull tractor installed. Please leave them locked in place.

5 Pull the paper lever forward.

14 | Setting Up 7 Slide the tractors to align them with the edges of the 10 Use the platen knob to advance the paper up to the paper, then set the paper holes on the tractor pins (1). second sheet, then move the paper up to where you Make sure the paper covers the groove on the left side want the first line of printing to begin (top of form). of the platen, then slide the tractor guide (2) to the The position you have selected will be set center of the paper. automatically when you turn the printer on. ✔ If the printer is on, press the TOF SET button while the printer is deselected (SELECT light off) to set the position as the top of form. 11 Put the access cover back on and press down until it snaps into place, then replace the acoustic cover.

8 Adjust the tractors so that the paper holes are centered on the pins, then close the tractor covers. 9 Space the rollers on the paper bail evenly across the paper, then close the bail lever.

Printer Handbook: English | 15 Loading Continuous Form Paper for 2 With the paper separator lying flat on the printer, slide the guides (1) to their widest position. Rear Feed

3 Pull the paper lever (1) forward (continuous forms position) and open the bail lever (2). 1 Place the paper stack behind the printer. ✔ If the printer is on and selected (SELECT light on), press the SELECT button to deselect it. ✔ If you are reloading paper, remove the acoustic cover and the access cover.

16 | Setting Up 4 Insert the paper in the slot in the paper separator and 5 Push the paper lever (1) back (single sheet position) and guide it into the printer underneath the platen. turn the platen knob (2) to move the paper up level with the paper bail (3).

6 Pull the paper lever forward.

Printer Handbook: English | 17 7 Pull up the lock levers (1) to release the tractors and 8 Slide the tractors to align them with the edges of the open the tractor covers (2). paper, then set the paper holes on the tractor pins (1). Make sure the paper covers the groove on the left side of the platen, then slide the tractor guide (2) to the center of the paper.

✔ The pins (1) at either end of the platen are not used with the pull tractor installed. Please leave them locked in place.

9 Adjust the tractors so that the paper holes are centered on the pins, then close the tractor covers. ë The paper may jam or cause other problems if it is stretched too tightly or left too loose on the pins. If the sprocket holes stretch or tear during printing, readjust the pins.

18 | Setting Up 10 Space the rollers on the paper bail evenly across the Loading Single Sheets paper, then close the bail lever. 11 Adjust the paper guides on the back of the paper ✔ If the printer is on and selected (SELECT light on), separator so that they are as close to the edges of the press the SELECT button to deselect it. paper as possible without touching it. 1 Use the platen knob to remove any continuous forms 12 Use the platen knob to advance the paper up to the paper from the print path. second sheet, then move the paper up to where you want the first line of printing to begin (top of form). 2 Remove the acoustic cover. The position you have selected will be set 3 Raise the paper separator to the upright position, then automatically when you turn the printer on. slide the guide (1) to the position marked for single sheets (2). ✔ If the printer is on, press the TOF SET button while the printer is deselected (SELECT light off) to set the position as the top of form. 13 Put the access cover back on and press down until it snaps into place, then replace the acoustic cover.

Printer Handbook: English | 19 4 Push the paper lever back (single sheet position). Switching Back to Continuous Forms 5 Insert a single sheet of paper. 1 Open the bail lever and move the paper lever to the 6 Remove the access cover and open the bail lever. continuous forms position. 7 Use the platen knob to wind the paper through to the 2 Remove the printed sheet from the printer. front of the printer, guiding it under the open bail, then 3 Load the continuous forms paper (see the appropriate close the bail lever. section under Load Paper in this manual). 8 Use the platen knob to adjust the place on the sheet where the first line of printing will begin (top of form). Run the Self Test The top of form you have selected will be set automatically when you turn the printer on. Hold down the LINE FEED button while turning on the printer. ✔ If the printer is on, press the TOF SET button while the printer is deselected (SELECT light off) to set ✔ The first line of the self test contains information on the the position as the top of form. version printer you’re using. If you should call for information or service, please have a self-test printout 9 Replace the access cover. handy so that our customer Service Representative can 10 Press the SELECT button to reselect the printer (the determine exactly what model printer you have. SELECT light will come on).

20 | Setting Up Controlling the Printer

The Front Panel

LINE FEED button: moves the paper up one line at a SELECT button: selects or deselects the printer. time. SELECT light: shows whether the printer is ready to FORM FEED button: moves the paper to the top receive data (on) or not (off). margin of the next page. ALARM light: indicates that paper is low or out, or that TOF SET button: sets the top margin at the current there is an internal printer problem. position — the SELECT light ( ) must be off. POWER light: indicates that the printer is plugged in and turned on.

Printer Handbook: English | 21 The Front Panel (continued)

PITCH button: selects the size of the printed characters MODE button: selects the type of printing, indicated by — 10, 12, or 17 characters per inch (cpi), indicated by the lights next to the button: the lights next to the button. • NLQ (Near Letter Quality): high-resolution printing in two passes of the printhead; not available at 17 cpi. • UTILITY: Normal printing. • HSD (High-Speed Draft): fast printing for drafts; underlining is the only printing feature available with HSD.

22 | Controlling the Printer Disk, then browse to the appropriate directory on the Printer Driver CD and double click the inf file: • For Windows XP: \Drivers\Win XP\Oemprint.inf • For Windows 2000 \Drivers\Win2k\Oemprint.inf The printer driver is in the Drivers folder on the CD • For Windows Me supplied with your printer. \Drivers\Win9xme\English\Oemprint.inf • For Windows 98 To install the driver on Windows systems other \Drivers\Win9xme\English\Oemprint.inf than Windows 3.1x • For Windows 95 Use the Add Printer Wizard to install the driver: \Drivers\Win9xme\English\Oemprint.inf 1 Place the ML310 CD in your CD-ROM drive. • For Windows NT 4.0 2 Click Start ® Settings ® Printers. \Drivers\WinNT40\English\Printer.inf 3 Click Add Printer. 6 When you get back the the window asking for the The Add Printer Wizard appears. manufacturer and model: click Next to continue. 4 Follow the on-screen instructions to load the driver. 7 Follow the on-screen instructions to finish loading the 5 When you get to the window which asks you to select driver. the manufacturer and model of your printer, click Have

Printer Handbook: English | 23 To install the driver in Windows 3.1x 1 Place the ML310 CD in your CD-ROM drive. 2 In the Main window, double-click Control Panel. 3 Double click Printers. 4 Click Add. 5 Click Install. 6 Click Browse and go to the following directory on the CD: \drivers\win31\english. 7 Click OK twice. The Add Unlisted or Updated Printer dialog box appears with OKI DATA ML310 listed. 8 Click OK The ML310 appears in the Installed Printers box. 9 Click Setup and select Tractor under Paper Source, then click OK. 10 To use a port other than LPT1:, click Connect and select another port, then click OK. 11 With OKI DATA ML310 selected in the Installed Printers box, click Set as Default Printer. 12 Click Close.

24 | Controlling the Printer Appendix A: Replacement Parts

Item OKI Number Ribbon Cartridge ...... 52102001 Item OKI Number Printhead...... 50063802 Acoustic Cover ...... 53450001 Platen Knob ...... 40673402 Pull Tractor ...... 50044701

Item OKI Number Access Cover ...... 42178701 Item OKI Number Paper Separator...... 42017901 Upper Cover ...... 42014601 Printer Handbook: English | 25 Item OKI Number Fuses 1.5A Fuse (logic board)...... 56301701 1A Fuse (power board) ...... 56301501 Item OKI Number Option AC Cord, 120V ...... 56631801 Roll Paper Stand Assembly ...... 70007701 ✔ For 220V AC cords, contact your OKI dealer. Manual Printer Handbook ...... 59342501

26 | Replacement Parts Appendix B: Control Circuit Board Switches

Switches Language/Page Length 1, 2, 3 4, 5 USA English, 11" OFF, ON, OFF OFF, ON French, 11 Inches ON, ON, OFF OFF, ON German, 11 Inches OFF, OFF, ON OFF, ON British, 11 Inches ON, OFF, ON OFF, ON Danish 1, 11 Inches OFF, ON, ON OFF, ON ✔ Factory default settings are printed in bold italics. Swedish 1, 11 Inches ON, ON, ON OFF, ON Italian, 11 Inches OFF, OFF, OFF ON, ON Spanish, 11 Inches ON, OFF, OFF ON, ON Japanese, 11 Inches OFF, ON, OFF ON, ON Norwegian, 11 Inches ON, ON, OFF ON, ON

Printer Handbook: English | 27 Switches (continued)

Switches Switches Language/Page Length 1, 2, 3 4, 5 Language/Page Length 1, 2, 3 4, 5 Danish 2, 11 Inches OFF, OFF, ON ON, ON Swedish 3, 12 Inches ON, OFF, ON ON, OFF Dutch, 11 Inches ON, OFF, ON ON, ON Swedish 4, 12 Inches OFF, ON, ON ON, OFF Swedish 2, 11 Inches OFF, ON, ON ON, ON Turkish, 12 Inches ON, ON, ON ON, OFF Swedish 3, 11 Inches ON, ON, ON ON, ON Swiss 1, 12 Inches OFF, OFF, OFF OFF, ON USA English, 12 Inches OFF, OFF, OFF OFF, OFF Swiss 2, 12 Inches ON, OFF, OFF OFF, ON French, 12 Inches ON, OFF, OFF OFF, OFF Auto LF Switch 6 German, 12 Inches OFF, ON, OFF OFF, OFF Disengaged OFF British, 12 Inches ON, ON, OFF OFF, OFF Engaged ON Danish 1, 12 Inches OFF, OFF, ON OFF, OFF Swedish 1, 12 Inches ON, OFF, ON OFF, OFF Zero Character Switch 7 Italian, 12 Inches OFF, ON, ON OFF, OFF Unslahsed OFF Spanish, 12 Inches ON, ON, ON OFF, OFF Slashed ON Japanese, 12 Inches OFF, OFF, OFF ON, OFF Switch 8: Unused Norwegian, 12 Inches ON, OFF, OFF ON, OFF Danish 2, 12 Inches OFF, ON, OFF ON, OFF Dutch, 12 Inches ON, ON, OFF ON, OFF Swedish 2, 12 Inches OFF, OFF, ON ON, OFF 28 | Switches Appendix C: Specifications

✔ Specifications subject to change without notice. Characters Per Line at 10 cpi: 80 Print Speed at 12 cpi: 96 Utility: 200 cps @ 10, 12, 17.1, 20 cpi at 17.1 cpi: 132 100 cps @ 5, 6, 8.5 cpi High Speed Draft: 240 cps @ 10 and 17.1 cpi 300 cps @ 12 cpi Electrical Characteristics Voltage: 120V AC ±10% NLQ: 50 cps @ 10, 12, 17.1, 20 cpi or 25 cps @ 5, 6, 8.5 cpi 220/240V AC ±10% Emulation Epson® ESC/P

Printer Handbook: English | 29 Reliability Physical Dimensions Mean Time Between Size: 381 mm (15 inches) wide Failures (MTBF): 6000 hours at 25% duty cycle, 378 mm (14.9 inches) deep 35% page density 128 mm (5 inches) high Mean Time To Repair Weight: 4.5 kg (10 lb.) (MTTR): 15 minutes Ribbon Life: 3 million characters Paper Specifications Printhead life: 400 million strokes per wire No. of copies: Original plus 4 copies Basis Weight: 16 to 20 lb. (60 to 75 g/m2)

30 | Specifications Index

A E L ALARM light ...... 21 Electrical specifications ...... 29 Language setting ...... 27, 28 Auto line feed setting...... 28 Emulation ...... 29 Lever positions ...... 12 Lever, printhead gap ...... 12 C F LINE FEED button ...... 21 Components ...... 6 FORM FEED button...... 21 Loading paper Computer connection...... 11 Front panel ...... 21, 22 bottom feed ...... 13–15 Connections lights...... 21, 22 rear feed ...... 16–19 power...... 11 Fuses, replacement...... 26 single sheets ...... 19–31 Connections, computer ...... 11 M Control board circuit switches ..... 27–28 H Control panel ...... 21, 22 HSD light ...... 22 MODE button ...... 22 lights...... 21, 22 N D NLQ light...... 22 Driver, printer ...... 23

Printer Handbook: English | 31 P R T Page length setting ...... 27, 28 Replacement parts ...... 25 Testing the printer ...... 20 Paper, loading Ribbon TOF SET button ...... 21 bottom feed ...... 13–15 installation ...... 8–9 rear feed ...... 16–19 replacement ...... 25 U single sheets ...... 19–31 shield ...... 8 UTILITY light ...... 22 Paper separator installation ...... 10 S Z Parts, replacement ...... 25 SELECT Zero character setting ...... 28 PITCH button ...... 22 button ...... 21 Platen knob light ...... 21 installation ...... 10 Self test ...... 20 replacement ...... 25 Separator, paper ...... 10 POWER light ...... 21 Setting Up ...... 6–20 Print speed ...... 29 Shield, ribbon ...... 8 Printer Shipping materials ...... 7 dimensions ...... 30 Specifications ...... 29–30 driver ...... 23 characters per line ...... 29 weight ...... 30 dimensions ...... 30 Printhead electrical ...... 29 gap lever ...... 12 print speed ...... 29 shipping retainer ...... 7 reliability ...... 29 weight ...... 30 Switches, control board ...... 27–28

32 | Index