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Oki ML490 Series, User Manual

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Oki ML490 Series User Manual Download Page 44

44

Microline 490/491 User’s Guide

3 Grasp the sheet guide. 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.

Summary of Contents for ML490 Series

Page 1: ...User s Guide 59348401...

Page 2: ...it Mention of software products manufactured by other companies does not necessarily constitute endorsement by Oki Data Copyright 2003 2007 by Oki Data All rights reserved Written and produced by the...

Page 3: ...ches the rating listed on the back of the printer If you aren t sure check with your dealer or with your local power company Your printer has a grounded 3 prong plug as a safety feature It will only f...

Page 4: ...des of the printer You could get a shock or cause a fire Aside from the routine maintenance described in this document don t try to service the printer yourself Opening the cover may expose you to sho...

Page 5: ...Tear Off 12 Determining if Forms Tear Off is Off or On 13 Setting Top of Form TOF Forms Tear Off OFF Default Setting 14 Setting Top of Form TOF Forms Tear Off Set to ON 15 Temporarily Changing the Top...

Page 6: ...Chapter 6 Troubleshooting 59 General Information 59 Problems Solutions 60 Appendix A Parts Accessories 65 Purchasing Parts Accessories 65 Replacement Parts 66 Accessories 67 Appendix B Printer Control...

Page 7: ...om Printer Features Super reliable durable operation 20 000 hours Mean Time Between Failures MTBF at 25 duty cycle and 35 page density Advanced paper handling with built in rear push tractor and zero...

Page 8: ...er Park in Chapter 3 Using Your Printer Saving Money Forms Tear Off The Forms Tear Off feature allows a printed continuous forms page to be torn off without wasting paper or adjusting the printer When...

Page 9: ...the Platen Knob Important Always turn the printer off before turning the platen knob If you turn the platen knob when the printer is on the Top of Form misaligns Controlling Access to the Printer You...

Page 10: ...ward 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 Plat...

Page 11: ...1 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...

Page 12: ...is adjustable in increments of 1 180 of an inch The amount of adjustment is limited to avoid paper jams The first line prints at the red line of the plastic paper shield 1 on the printhead Top of Form...

Page 13: ...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 setting in the paper feed group you are using Rear Feed Bottom Feed or Top Feed Forms Tear Off...

Page 14: ...EL light goes out 2 Press and hold SHIFT 2 then Note When you begin pressing the Micro Feed key the printhead will move to the right Press LF Micro Feed Down 3 to set the TOF higher the paper moves do...

Page 15: ...t briefly until the paper moves up to the tear position then press and hold TEAR 5 The paper moves to the current TOF 5 Keep holding TEAR then press and hold SHIFT 2 and release TEAR 6 Continue to hol...

Page 16: ...To move the Top 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 Top of Form to the Factory Default The factor...

Page 17: ...ff automatically moves the paper to align the perforation with the tear bar located under the access cover after the time interval which you selected through the menu Paper remains in the tear off pos...

Page 18: ...e third column Rear Feed Form Tear Off 1 Sec 5 Press SHIFT 2 SEL 1 to exit Menu Mode and save the setting Manual Forms Tear Off If you don t wish to engage the Forms Tear Off feature you can advance r...

Page 19: ...pages then press PARK 2 Raise the sheet guide 1 to the single sheet feed position 3 Pivot the wire feed guide into the sheet guide 4 Move the paper lever 1 to the middle position marked TOP 5 Adjust...

Page 20: ...D to remove the single sheet paper 2 Lower the sheet guide into the continuous forms position 3 Swing the wire feed guide over onto the pull up roller 4 Move the paper lever to the appropriate positio...

Page 21: ...arbon 3 3 part form with carbon 4 4 part form with carbon 5 Envelopes or extra thick paper Note When the head gap is set to 2 3 4 or 5 the printer automatically slows down for better print quality wit...

Page 22: ...ally overridden by software commands Press PRINT QUALITY 1 to select LQ Letter Quality LQ light on Highest quality slowest speed Choice of 7 typefaces Utility UTILITY light on Medium quality medium sp...

Page 23: ...software commands To select the typeface you wish to use press PRINT QUALITY 1 until the appropriate front panel lights are on Typeface Lights on Courier LQ and COURIER Gothic LQ and GOTHIC Orator LQ...

Page 24: ...ed width for each character of from 10 to 20 characters per inch CPI The higher cpi settings are often used for spreadsheets In LQ mode you can select proportional PROP which sets character widths bas...

Page 25: ...e printer to the factory defaults For information on resetting the printer to the factory defaults see Resetting the Menu to the Factory Defaults later in this chapter Emulations Epson LQ factory sett...

Page 26: ...py of all the Menu settings With the SHIFT key prints the current settings for the Group selected MENU Light Glows when the printer is in the Menu Mode Note Please print the current Menu Mode settings...

Page 27: ...he printer off 2 Press SEL LF while turning the printer on Printing the Menu Settings Printing the Current Menu Settings 1 Make sure paper is loaded in the printer 2 Press and hold SHIFT then press SE...

Page 28: ...he GROUP ITEM and SET keys to make your changes a Press GROUP until the Group you wish to change appears in the first column b Press ITEM until the Item you wish to change appears in the second column...

Page 29: ...nter Control Emulation Mode EPSON LQ IBM PPR IBM AGM Font Print Mode LQ Courier LQ Roman LQ Swiss LQ Swiss Bold LQ Orator LQ Gothic LQ Prestige Utility HSD Pitch 10 cpi 12 cpi 15 cpi 17 1 cpi 20 cpi P...

Page 30: ...I Form Tear Off Off 500 ms 1 sec 2 sec Skip Over Perforation No Yes Page Width wide model 13 6 8 Page Length 11 11 2 3 12 14 17 5 3 3 25 3 5 4 5 5 6 7 8 8 5 Bottom Feed Line Spacing 6 LPI 8 LPI Form T...

Page 31: ...al Page Length Set Up Graphics Bi directional Uni directional Receive Buffer Size 1 Line 32K 64K 128K Paper Out Override No Yes Print Registration 1 0 range to 0 25 mmm to the right or left set in 0 0...

Page 32: ...F No Yes Auto CR No Yes CSF Bin Select Bin 1 Bin 2 SI Select Pitch 10 cpi 15 cpi 17 1 cpi SI Select Pitch 12 cpi 12 cpi 20 cpi Time Out Print Valid Invalid Auto Select No Yes Graphics Speed Low High C...

Page 33: ...rial IF Parity None Odd Even Serial Data 7 8 Bits 8 Bits 7 Bits Protocol Ready Busy X On X Off Diagnostic Test No Yes Busy Line SSD SSD DTR RTS Baud Rate 19200 bps 9600 bps 4800 bps 2400 bps 1200 bps...

Page 34: ...Bin 1 Line Spacing 6 LPI 8 LPI Bottom Margin Valid Invalid Page Width Wide model 8 13 6 Page Length 11 11 2 3 12 14 17 5 3 5 4 5 5 6 7 8 8 5 CSF Bin 2 Line Spacing 6 LPI 8 LPI Bottom Margin Valid Inv...

Page 35: ...are wired in such a way that automatic line feed is always in effect this item eliminates this potential problem If your system uses pin 14 of the parallel interface to control automatic line feed cha...

Page 36: ...aracter Set Default IBM Set I Use this to switch character sets to IBM Set II Code Page Default USA Choose the Code Page character set you wish to use USA Canada French Multilingual Portugal Norway BR...

Page 37: ...i directional you can optimize the registration using the Print Registration setting in the Menu Graphics Speed Default Low Change to High for faster printing when optimum print quality is not an issu...

Page 38: ...Control Default by Menu Setting Change the setting to by Actual Page Length if you wish to print on single sheets longer than 17 inches When by Actual Page Length is selected the menu setting for Top...

Page 39: ...mode change the setting to No Proportional Spacing Default No Change the setting to Yes to engage proportional spacing of characters Protocol Default Ready Busy Appears only if the optional Serial Int...

Page 40: ...Default No Change to Yes if you want the printer to go to the next page when it comes within 1 25 mm of the bottom of the page Keep it set to No if your software has its own page formatting controls S...

Page 41: ...ant Make sure you have the correct replacement ribbon for the your printer The wrong ribbon will not print when installed in your printer Ribbon Cartridge Handling Leave unused ribbon cartridges in th...

Page 42: ...e take up knob in the direction of the arrow to take up any ribbon slack 6 Close the access cover and turn the printer back on CAUTION If ribbon should contact the eyes Flush eyes with large quantitie...

Page 43: ...Lever Upper Tractor Cover Pins Loading Rear Feed Paper from the Back of the Printer Note These instructions assume you have ready access to the back of the printer If you do not skip down to Loading...

Page 44: ...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 I...

Page 45: ...o the reference mark 2 matching the width of the paper you are loading Then close the lock lever on the right tractor Note The movement of the right tractor is limited to ensure that the paper covers...

Page 46: ...p the number of paper holes engaged on either pin the same If you don t the paper will skew and jam 9 Close the right tractor cover 10 Adjust the left tractor until the holes in the paper are centered...

Page 47: ...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 print...

Page 48: ...cess 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 1 Make sure the paper lever is for...

Page 49: ...common paper sizes ML490 ML491 6 Move the left tractor to the position to match your paper size and push back on the lever to lock it in place then move the right tractor to fit the width of the pape...

Page 50: ...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 tigh...

Page 51: ...n 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...

Page 52: ...t position Pivot the wire feed guide 2 up into the sheet guide Top Feed Single Sheets Note If you have continuous form paper in the path press PARK to remove it before loading single sheets 1 Make sur...

Page 53: ...paper does not feed in remove it Check the paper lever position Make sure the ALARM light is on if it is flashing hold the SHIFT key and press the CHARACTER PITCH RESET key Reload the sheet of paper N...

Page 54: ...ake 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 4 Lift the sheet guide 1 and relo...

Page 55: ...grasp the tabs 3 on the sheet guide 4 and lift it off the printer Rear Feed Repeating Paper Jams If the paper keeps jamming you may have defective paper misaligned paper bits of paper stuck in the pa...

Page 56: ...d lock the covers 6 Use the platen knob to draw the quadruple thick page around the platen This brings out jammed pieces of paper 7 Remove the paper pieces Then use the platen knob to back the paper o...

Page 57: ...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 4 Remove any torn pieces from around the carriage 5 Reinstall the pull u...

Page 58: ...y 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 acc...

Page 59: ...mbient conditions Does the paper being used meet the specifications for this product Is the paper properly installed Is the ribbon properly installed Is an Oki ribbon being used Is the printhead gap c...

Page 60: ...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 The I Prime signal will automati...

Page 61: ...alled check to 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 driv...

Page 62: ...tering 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...

Page 63: ...nter 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 Solution This indicates that the paper lever is se...

Page 64: ...and make the paper cling to the sheet guide 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...

Page 65: ...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...

Page 66: ...Ribbon Cartridge 42377801 Platen Knob 51902220 Power Cord 56631801 Model ML490 Printhead 42124201 Access Cover 42115401 Sheet Guide 51009509 Pull Up Roller Assembly 42044701 Model ML491 Printhead 4212...

Page 67: ...91 Pull Tractor Top Mount 70030601 Push Tractor Bottom Mount 70030801 Both Models Cut Sheet Feeder 70030101 Serial Interface 70012801 OkiLAN 6120i 10 100 Base T Ethernet Internal Print Server not show...

Page 68: ...D 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 Epson LQ Commands Epson Command ASCII De...

Page 69: ...7 49 Double Width Off ESC W 0 27 87 48 Double Width for One Line SO 14 or ESC SO or 27 14 Emphasized Print On ESC E 27 69 Emphasized Print Off ESC F 27 70 Epson Command ASCII Decimal Enhanced Print On...

Page 70: ...n n 60 n 0 to 127 ESC A n 27 65 n 1 6 ESC 2 27 50 1 8 ESC 0 27 48 Epson Command ASCII Decimal Margins Set Left Margin n 0 to 255 ESC 1 n 27 108 n Set Right Margin n 0 to 255 ESC Q n 27 81 n Paper Out...

Page 71: ...ver Perforation ON ESC N n 27 78 n n 1 to 127 Skip Over Perforation OFF ESC O 27 79 Software I Prime ESC NUL 27 125 0 Subscript On ESC S 1 27 83 49 Superscript On ESC S 0 27 83 48 Subscript Superscrip...

Page 72: ...Outline ESC q 1 27 113 49 Shadow ESC q 2 27 113 50 Outline with Shadow ESC q 3 27 113 51 IBM Command ASCII Decimal Double Width On ESC W 1 27 87 49 Off ESC W 0 27 87 48 for One Line SO 14 Emphasized...

Page 73: ...n 27 37 52 n Reverse ESC 27 93 Auto Line Feed On ESC 5 1 27 53 49 Auto Line Feed Off ESC 5 0 27 53 48 IBM Command ASCII Decimal Line Spacing Set Spacing to 1 8 ESC 0 27 48 Set Spacing to 7 72 ESC 1 27...

Page 74: ...press Mode Off DC1 17 Proportional Spacing On ESC P 1 27 80 49 Proportional Spacing Off ESC P 0 27 80 48 IBM Command ASCII Decimal Skip Over Perforation On n 1 to 255 ESC N n 27 78 n Skip Over Perfora...

Page 75: ...Optional RS 232C Serial Ethernet Print Servers 6120i 10 100 Base TX Internal 6020e 10 100 Base T External 6010e 10 Base T External Receive Buffer Size Maximum 128K Reliability Ribbon Life 4 million ch...

Page 76: ...ity LQ 10 cpi 105 cps 12 cpi 126 cps 15 cpi 157 cps 17 1 cpi 180 cps 20 cpi 210 cps Characters per inch Characters per second Characters per Line cpl Setting ML490 ML491 10 cpi 80 cpl 136 cpl 12 cpi 9...

Page 77: ...l Superscript Subscript 8 point Normal Scalable 11 to 64 points LQ Letter 10 cpi 12 cpi Proportional Normal Gothic LQ Prestige 10 cpi 12 cpi Proportional Normal LQ Orator 10 cpi 12 cpi Proportional No...

Page 78: ...idth Range 3 to 10 76 to 254 mm Interleaf continuous forms orig 4 copies Feed Rear Bottom Weight 10 to 12 lb paper 9 lb carbon Width Range 3 to 10 76 to 254 mm Labels Feed Bottom Only Weight Not appli...

Page 79: ...6 76 2 to 406 4 mm Interleaf continuous forms Feed Rear Bottom Weight 10 to 12 lb paper 9 lb carbon Width Range 3 to 16 76 2 to 406 4 mm Labels Feed Bottom Only Weight Not applicable Width Range 3 to...

Page 80: ...e 5 to 95 RH Electrical Requirements 120 volts ac 6 15 50 or 60 Hz 2 78 W Typical 10 W idle 230 ac 15 14 50 or 60 Hz 2 78 W Typical 10 W idle Physical Specifications Note Height dimensions do not incl...

Page 81: ...n knob and the various paper feed paths Make sure a suitable grounded power outlet is available nearby Unpack If any items are missing contact your dealer immediately Keep your packing materials and c...

Page 82: ...y 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 2 Remove the printhead shipping restraint 3 Remove the shipping...

Page 83: ...o 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 dow...

Page 84: ...cover and turn the printer on Install 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 prin...

Page 85: ...rinter Computer Connections Parallel LPT IEEE 1284 Requires bidirectional cable max length 6 ft 1 8 m not supplied Printer has 36 pin socket 1 Make sure the printer and computer are both turned off 2...

Page 86: ...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 3 Turn the...

Page 87: ...nches Otherwise printing on the platen may damage the printer See Chapter 4 Menu Mode for more information The Font Sample Test prints a sample of the fonts standard to the printer The top of the prin...

Page 88: ...inuous printout of all 96 ASCII characters in a rolling pattern in whatever typeface is selected default LQ Courier The top of the printout shows the Printer Model Emulation Country Code and Firmware...

Page 89: ...e the Hexadecimal Dump Mode 1 Make sure paper is loaded 2 Turn off the printer 3 Hold the SEL and FF LOAD keys for several seconds while turning on the printer To exit the Hexadecimal Dump Mode Press...

Page 90: ...Next 3 Insert 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 infor...

Page 91: ...less continuous forms 78 79 Card Stock 78 79 Centering printhead position 62 Character Pitch 38 Selecting 24 Character Set 29 36 Character Width 38 Characters Per Second CPS 7 Code Page Character Set...

Page 92: ...Set 36 Commands 72 81 Emulation 29 Initialization string 60 Interleaf Continuous Forms 79 Interleaf continuous forms 78 Interleaved 2 of 5 77 Italics 29 40 L Labels 78 79 Language 29 Length Page Rear...

Page 93: ...kip over 30 40 Pitch character 29 38 Platen knob part number 66 Postnet 77 Power rating 3 PRINT Menu Mode 26 Print Method 75 Print Mode 29 39 Print Registration 31 39 Print Server Option 67 Print Serv...

Page 94: ...cter Set 29 Static charges and paper 64 Symbol Sets 29 37 T TEAR Front Panel key 18 TEAR feature 17 Temperature Specifications 80 Tests ASCII Test 88 Font Sample Test 87 Hex Dump 89 Thickness Paper 76...

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