Oki MICROLINE 720, Handbook

Page 1: ...MICROLINE 720 721 Printer Handbook...

Page 2: ...anual Mention of software products manu factured by other companies does not necessarily constitute endorsement by OKI OKI and MICROLINE are registered trademarks of OKI Electric Industry Company Ltd...

Page 3: ...er on or near a heat source such as a radiator or heat register If you put the printer in any kind of enclosure make sure it is well ventilated Do not put anything into the ventilation slots on the si...

Page 4: ...er hazards Don t make any adjustments other than those outlined in the manual you might cause damage requiring extensive repair work If anything happens that indicates that your printer is not working...

Page 5: ...ding Paper 9 Loading Single Sheet Paper 11 Loading Rear Feed Paper 14 Paper Handling 21 Tear Feature 21 Forms Tear off Feature 22 Paper Park Feature 22 Switching Paper Paths 23 Chapter 3 Operation 25...

Page 6: ...Printer Drivers DOS 50 Windows Printer Drivers 51 Chapter 5 Problem Solving Maintenance Service 53 Problem Solving 53 Maintenance 56 Replacing the Ribbon Cartridge 56 Clearing Paper Jams 59 Cleaning t...

Page 7: ...itutions 101 IBM International Character Substitutions 102 MICROLINE International Character Substitutions 103 Code Page Character Sets 104 Appendix E Interfacing 107 Pin Assignments for Parallel Inte...

Page 8: ...d Chapter 3 Operation describes how to control your printer from the front panel It also explains how to change the defaults how to test your printer and how to use bar codes Chapter 4 Working with So...

Page 9: ...2 Introduction...

Page 10: ...Unpacking Unpack your printer and make sure you have the following items If you are missing any of these items contact your dealer immediately for a replacement Printer Ribbon cartridge AC cord It is...

Page 11: ...tallation Removing Shipping Retainers 1 Open access cover by grasping tabs at either end and lifting 2 Remove printhead shipping retainer leave cover open for installation of rib bon Tab Shipping reta...

Page 12: ...tive material from the pull up roller assembly Installing Ribbon Cartridge 1 With access cover open grasp print head and slide it until it is centered on platen 2 Remove ribbon cartridge from its pack...

Page 13: ...nt quality Note When the setting is set at 2 5 the printer automatically slows down for better print quality with thicker multipart forms Important Be sure to use only ribbons specifically for use wit...

Page 14: ...your computer a In the case of parallel interface cable 1 Make sure both printer and computer are OFF 2 Locate interface port on back of printer 3 Plug parallel interface cable into port and secure i...

Page 15: ...g other end into grounded outlet 3 Turn printer on Printhead will cross back and forth along platen and POWER light will come on ALARM light will also come on but don t be concerned it s just telling...

Page 16: ...tions Top Feed Single sheets basis weight 14 to 24 lbs Single envelopes 24 lb maximum 6 5 to 9 5 wide Transparencies 8 5 x 11 Rear feed continuous forms only thickness to 0 014 0 36 mm Single part con...

Page 17: ...per Original plus 4 copies 10 to 12 lb paper with 9 lb carbon Minimum 3 wide 2 Continuous feed envelopes 24 lb maximum 6 5 to 9 5 wide envelope itself Labels minimum 3 wide 2 maximum 10 ML720 or 16 ML...

Page 18: ...the most accurate control of the paper To load in single sheets of paper If you have any continuous form paper in the paper path you must press the PARK button on the front panel to remove it from the...

Page 19: ...ire feed guide is nestled in separator 4 Adjust paper feed guides for width of paper and drop sheet of paper into separator Paper will automatically feed into printer If the sheet of paper doesn t fee...

Page 20: ...ted by red line on clear plas tic paper shield 6 If desired change TOF setting using control panel to set TOF further down on page hold SHIFT button while pressing FF LOAD button this will advance pap...

Page 21: ...eets long reports etc For graphics or charts it s best to use the single sheet paper path To load continuous form paper from the rear 1 If you have paper in paper path be sure to remove it before inst...

Page 22: ...dbook 15 Tractors 6 Locate tractors 4 Hold up the middle of the paper sepa rator and pull upwards 5 Rotate the paper separator forward and stand against the pull up roller assem bly Paper separator Pu...

Page 23: ...ther tractor in order to ensure proper paper feed Paper holes on pins 7 Pull up on lock levers to release trac tors Position right hand tractor for width of paper you re loading The movement of the le...

Page 24: ...ML720 721 Printer Handbook 17 10 Replace the paper separator and insert until the paper separator and upper cover marks align mark mark Paper separator Upper cover...

Page 25: ...t tractor so that paper holes are centered on pins careful if paper is stretched too tight or left too loose it can jam and cause problems then lock right tractor in place by pushing back on lock leve...

Page 26: ...the SHIFT button and release the TEAR button to set TOF further down on page hold SHIFT button while pressing FF LOAD button this will advance paper up in micro increments to move TOF further up on pa...

Page 27: ...ght will come on To temporarily change the Top of Form setting for a particular print job deselect the printer and press the LF button until you reach the TOF position you want to use The printer will...

Page 28: ...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...

Page 29: ...hapter3 and choose one of the intervals Some programs such as high resolution graphics packages pause occasion ally while sending data to the printer If the pause lasts more than the selected interval...

Page 30: ...n 4 Move paper lever to position marked TOP 5 Load single sheet paper into paper separator To switch from top feed to continuous form tear or bottom optional push or pull tractor installed feed 1 Make...

Page 31: ...24 Loading Paper...

Page 32: ...m basic tasks including select ing typeface print quality selecting character pitch testing your printer and reset ting Top of Form to the factory default Control Panel Your printer s front panel lets...

Page 33: ...TER PITCH sections at the right on the front panel are used to select the quality and size of the printing See Performing Basic Tasks later in this chapter for information on how to use these buttons...

Page 34: ...int suppress mode or power saving mode Goes out when printer is deselected can t receive data 3 ALARM light Glows when error condition exists such as out of paper or paper jam Also glows when paper le...

Page 35: ...several functions depending on the mode in use Print Mode or Menu Mode on whether or not the printer is selected and on whether or not the optional Cut Sheet Feeder CSF is installed Most buttons also...

Page 36: ...us form paper to print position With printer deselected moves Top of Form setting down paper moves up on page in micro incre ments Moves continuous feed paper up for tear off or back down for printing...

Page 37: ...es Roll ing ASCII Test Activates Roll ing ASCII Test N A N A N A N A Resets Menu and Top of Form to factory default Button Print Mode Help on Power Up Move the print head to Reverse Ejects paper Move...

Page 38: ...QUIET PARK SEL FF LOAD N A Not applicable N A N A N A Resets Menu to factory default Resets Top of Form to factory default Activates hex dump mode Button Print Mode Help on Power Up N A N A N A With...

Page 39: ...ngth to 14 inches if you re printing on legal size documents or to 3 inches if you re printing on labels or small cards To place your printer in the Menu Mode hold the SHIFT button while pressing the...

Page 40: ...enu The menu is made up of groups of parameters Within each group is a list of items and each of those items has several possible settings Here s a sample Menu printout The first column lists the grou...

Page 41: ...cpi 17 1 cpi 20 cpi No Yes Normal Italics Single Double Set I Set II EPSON IBM mode Standard Line Graphics Block Graphics ML mode American French German Britishi Dan ish I Swedish Italian Spanish I J...

Page 42: ...Yes No Yes No Yes 17 1 CPI 15 CPI 20 CPI 12 CPI Valid Invalid No Yes DEFAULT MODE 1 MODE 2 Wide Narrow 17 1 CPI 20 CPI Enable Disable 5min 10min 15min 30min 60min Line Spacing Form Tear Off Skip Over...

Page 43: ...36 Operation Parallel I F Buffer Print Buffer Clear Invalid 5V Open Invalid Valid Enable Disable I Prime Pin 18 Auto Feed XT 3 Bi Direction Group Item Setting 3 EPSON mode Only...

Page 44: ...dbook 37 Menu Mode Indicator Lights In the Menu Mode the following lights indicate your printer s status 1 POWER light Glows when printer is on 2 MENU light Glows when printer is in Menu Mode Menu Mod...

Page 45: ...one item hold the SHIFT button while pressing the ITEM button 3 SET button Press to change setting for the items Each time you press the SET button a line will print across the page showing the next...

Page 46: ...pending on MENU setting gives you sharp crisp characters for correspondence and important final documents that require a polished appearance HSD and SSD printing in Gothic gives the fastest printing b...

Page 47: ...or Proportional In the MICROLINE emulation the choices are 10cpi 12cpi 15cpi 17cpi or 20 cpi either non proportional or proportional proportional is se lected when both the light under the desired cpi...

Page 48: ...Hexadecimal Dump Test NLQ Courier NLQ Letter Gothic Utility Gothic High Speed Draft Gothic Bar Code Super Speed Draft Gothic 10 cpi 12 cpi 15 cpi 17 cpi 20 cpi Proportional 10 cpi 12 cpi 15 cpi 17 cpi...

Page 49: ...42 Operation Font Test The Font Test provides a printout containing samples of available typefaces Here s a portion of a Font Test printout...

Page 50: ...urning printer on IF printer simply turns on without starting to print you didn t hold down LF button long enough Rolling ASCII Test The Rolling ASCII Test produces a continuous printout of all ASCII...

Page 51: ...on long enough Hexadecimal Dump Test If you want to test the data your computer is sending to the printer you can place the printer in the Hexadecimal Dump Mode When the printer is in the Hex Dump Mod...

Page 52: ...send data to the printer while it is in the Hexadecimal Dump Mode When you re done you can exit the Hexadecimal Dump Mode by either pressing the SEL button or by turning the printer off then on again...

Page 53: ...ar codes along with a sample printout for each one UPC A Bar Code UPC Universal Product Code bar coding is used in the supermarket industry UPC A coding contains ten digits the first five digits repre...

Page 54: ...igits and contains the same number of bars as UPC A The thir teenth digit combined with the twelfth digit provides a code representing a country Code 39 Also known as 3 of 9 Code code 39 is used in no...

Page 55: ...t codes are also available for use within the bar code to indicate a change in the code set engaged as required Interleaved2 of 5 Inerleaved2 of 5 bar coding is used mainly in the distribution industr...

Page 56: ...e printer which guide and control its operation Printer commands tell the printer what character pitch to use what font to use what margins to use whether to use single or double spacing when to en ga...

Page 57: ...lly means that you will be selecting a driver that provides commands to access most but not all of the available functions however the commands that are available will perform properly with your print...

Page 58: ...he table be sure to check it thoroughly for print features such as boldface underline and changes in pitch Don t be surprised if bold faced items are printed twice underlines are misplaced wide spaces...

Page 59: ...52 Working with Software...

Page 60: ...nothing happens when I turn on the printer 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 C...

Page 61: ...manufacturer to see if they have added any additional drivers since you purchased your software If you have embedded any printer commands in your software check to be sure that you entered them corre...

Page 62: ...Character Pitch button I need to load paper but the Alarm light is not on If the Alarm light is off the printer thinks it has paper loaded To correct this problem press and release the SEL button the...

Page 63: ...used this option to make sure the printer is always set properly static electricity causes the paper to stick In cold dry weather static charges can build up on continuous form paper This can make th...

Page 64: ...remove 4 Swing front end of cartridge up off printhead then lift cartridge out and discard it 5 Remove new ribbon cartridge from its packaging do NOT remove clear plastic ribbon shield 6 Hold ribbon c...

Page 65: ...58 Ploblem Solving Maintenance Service 7 Lower front end of cartridge over printhead until it snaps into place Turn knob in direction of arrow clock wise to take up any slack in ribbon M 1 2 3 Knob...

Page 66: ...n platen knob to back paper out of printer Remove any ripped pieces of paper 3 Reload paper turn printer back on and press FF LOAD button If your paper keeps jamming the chances are excellent that you...

Page 67: ...tate 6 Fold some single sheet continuous feed paper over three times to produce page four sheets thick Tractor covers Remove pull up roller assembly Quadruple thick paper 7 Load this quadruple thick s...

Page 68: ...the paper lever in agreement with the Rear mark before the installation 11 Reload regular paper open tractor cov ers place paper on pins close tractor covers 12 Swing access cover and paper separa to...

Page 69: ...l up roller assembly to provide access to remove any ripped pieces from around carriage Button Feed Jams If bottom feed paper jams 1 Turn off printer and use platen knob to back paper out carefully 2...

Page 70: ...y loose particles of paper Note The built up of dust or paper powder in the printer which may be occurred by some environmental settings or media used may cause a mulfunction so execute cleaning ac co...

Page 71: ...d up to 100 sheets of standard 20 lb paper With cable for connection to printer Push Tractor Bottom Feed Converts printer for feeding continuous form paper from the bottom Use of bot tom feed eliminat...

Page 72: ...place of access cover Roll Paper Stand Adapts ML 720 printer for use with roll type paper not supplied Not usable on ML 721 Includes stand and support With cable for connection to printer Serial Inte...

Page 73: ...m Solving Maintenance Service Replacement Parts Replacement Part Access Cover ML 720 Access Cover ML 721 AC Cord Poll up Roller Assembly ML 720 Poll up Roller Assembly ML 721 Platen Knob Printhead Rib...

Page 74: ...Line CPL Setting ML720 ML721 10 cpi 80 cpl 136 cpl 12 cpi 96 cpl 163 cpl 15 cpi 120 cpl 204 cpl 17 1 cpi 137 cpl 233 cpl 20 cpi 160 cpl 272 cpl Emulations EpsonFX IBMProprinter OKIMicrolineco residen...

Page 75: ...E EAN 8 EAN 13 Inter leaved 2 of 5 Code 128 Postnet Receive Buffer Size MAX 128K Reliability Mean Time Between 20 000 hours at 25 duty cycle and 35 Failures MTBR Page density Mean Time to Repair MTTR...

Page 76: ...to 10 ML721 3 to 16 ML720 3 to 10 ML721 3 to 16 ML720 3 to 10 ML721 3 to 16 ML720 3 to 10 ML721 3 to 16 6 5 to 9 5 6 5 to 9 5 N A 8 5 x 11 Top only Rear Bottom Rear Bottom Rear Bottom Bottom only Top...

Page 77: ...5 x 153 mm Weight ML 720 16 4 lb 7 5Kg ML 721 20 8 lb 9 5Kg Environmental Requirements Operating Temperature 41 to 95 F 5 to 35 C Storage Temperature 14 to 122 F 10 to 50 C Operating Humidity 20 to 80...

Page 78: ...SSD 10 cpi 12 cpi 15 cpi 17 1 cpi 20 cpi No Yes Normal Italics Single Double Set I Set II EPSON IBM mode Standard Line Graphics Block Graphics ML mode American French German Britishi Danish I Swedish...

Page 79: ...Yes No No Yes No Yes Bin 1 Bin 2 No Yes 17 1 CPI 15 CPI 20 CPI 12 CPI Valid Invalid No Yes DEFAULT MODE 1 MODE 2 Wide Narrow 17 1 CPI 20 CPI Enable Disable 5min 10min 15min 30min 60min Line Spacing F...

Page 80: ...2 3 12 14 17 5 3 3 5 4 5 5 6 7 8 8 5 I Prime Pin 18 Auto Feed XT 3 Bi Direction Parity Serial Data 7 8 Bits Protocol Diagnostic Test Busy Line Baud Rate DSR Signal DTR Signal Busy Time Line Spacing B...

Page 81: ...t or Yes Determines whether or not your printer will automatically be selected after you load in paper With the factory default No en gaged the printer will be deselected so that you can set the Top o...

Page 82: ...00 ms factory de fault or 1 sec SetsthelengthofthebusysignalwhentheReady Busyprotocol factorydefault isengaged Centering Position Used to limit printhead travel when printing narrow columns Select Mod...

Page 83: ...i directional factory default or Uni directional Bi directional graphics print faster than uni directional graphics but uni directional graphics have better print registration Bi directional graphics...

Page 84: ...trol page length by actual physical page length by Menu Setting Control page length by logical page length Page Width Appears in Menu for wide carriage model only Choose a page width of 13 6 or 8 Pape...

Page 85: ...bles print sup press command The factory default enables the print suppress command the printer will ignore all data it receives after it accepts the print suppress command Change to No to cause your...

Page 86: ...when it comes within one inch of the bottom of the page If your software has its own page formatting controls keep this item set to No to avoid interface Style Choose Normal factory default or Italic...

Page 87: ...80 Appendix B Menu Selections...

Page 88: ...C n data ESC f Ln Hn Pk Pm Ps Lv Hv Pc ESC f Ln Hn DATA ESC 7 ESC 6 ESC Ln Hn ESC n ESC n ESC TLn Hn 0 0 Hcp Lcp 0 DC2 ESC ESC g ESC SI SI ESC S 1 ESC S 0 ESC T IBM Function ASCII Code 27 16 65 m n1...

Page 89: ...ect Paper SO DC4 ESC W 1 ESC W 0 ESC Ln Hn m1 mk ESC P1 ESC P0 ESC Vn ESC 0 ESC I n ESC G ESC H ESC E ESC F ESC G ESC H ESC 1 ESC 0 ESC 1 ESC 0 ESC DEL F Pn0 Pn Lp Hp ESC I Ln Hn Hfid Lfid Hfwd Lfwd f...

Page 90: ...ESC K Ln Hn data ESC L Ln Hn data ESC Y Ln Hn data ESC Z Ln Hn data BS CR ESC X n m HT ESC D n1 n2 nk 0 ESC D 0 0 ESC B n1 n2 n3 n4 ESC DLE Pn A1 A2 P1 P2 P3 P4 ESC Ln Hn ESC U 1 ESC U 0 ESC d Ln Hn E...

Page 91: ...tial Conditions Incremental print mode On Off Software I Prime Stop Printing ESC 3 n ESC 9 n ESC A n ESC DLE H Pno A1 A2 P1 P2 P3 ESC 2 VT ESC B n1 n2 nk 0 ESC R CAN ESC n ESC 8 ESC 9 ESC Q STX ESC Q...

Page 92: ...h Printing Line by Line Double Width Printing On Double Width Printing Off ESC DLE A m n1 n8 ESC DLE B m n data ESC DLE C n data ESC B Ln Hn Pk Pm Ps Lv Hv Pc DATA ESC R n ESC t n ESC 6 or ESC I 1 ESC...

Page 93: ...ensity Graphics Quadruple Density Graphics ESC w n ESC p 1 ESC p 0 ESC SP n ESC n ESC x n ESC y Pn ESC X Pn Lp Hp ESC k n ESC n ESC 4 ESC 5 ESC E ESC F ESC G ESC H ESC 1 ESC 0 ESC 0 n1 n2 a data ESC 0...

Page 94: ...t Line Spacing to n 72 SetLineSpacington 144 ESC m Ln Hn data ESC m n ESC m Ln Hn data BS CR ESC l n ESC Q n HT ESC D n1 n2 nk 0 ESC D 0 0 ESC DLE Pn A1 A2 P1 P2 P3 P4 ESC Ln Hn ESC Ln Hn ESC U 1 ESC...

Page 95: ...hin Line Justification ESC 3 n VT ESC B n1 n2 nk 0 ESC DLE H Pno A1 A2 P1 P2 P3 ESC B 0 ESC b m n1 n2 nk 0 ESC n ESC U Ln Hn Pn ESC C Ln Hn Lp Hp ESC c Ln Hn Lt Ht Lb Hb CAN ESC n DEL ESC ESC s 1 ESC...

Page 96: ...ight Printing Off Select Print Mode Proportional Spacing On Proportional Spacing Off SetIntercharacterSpacing ESC DLE A m n1 n8 ESC DLE B n data ESC DLE C n data ESC 0 ESC 2 ESC 1 ESC n ESC T Ln Hn 0...

Page 97: ...t Eject Cut Sheet Feeder Bin 1 or Bin 2 Selection Graphics Single Density Graphics DoubleDensityGraphics DoubleSpeed Quadruple Density Graphics ESC 0 ESC 0 ESC 1 ESC 3 ESC DLE F Pn0 Pn Lp Hp ESC ESC E...

Page 98: ...ESC n1 n2 ETX BS CR HT ESC C n1 n2 n3 ESC R n1 n2 n3 n4 ESC F n1 n2 n3 n4 ESC E n1 n2 n3 n4 ESC B n1 n2 n3 n4 ESC DEL Pn a1 a2 P1 P2 P3 P4 ESC HT x y z CR ESC HTX x y z w CR ESC HT CR ESC ESC ESC G H...

Page 99: ...s Mode On Print Suppress Mode Off Software I Prime Incremental print mode On Off ESC 5 n ESC LF ESC 8 ESC 6 ESC 9 n VT VT n DC4 SP SP n SP SP ESC DLE H Pno A1 A2 P1 P2 P3 CAN ESC CAN ESC ESC ESC n ESC...

Page 100: ...ML720 721 Printer Handbook 93 Lower ASCII Character Sets Lower ASCII Character Sets 1 4 Appendix D ASCII Character Codes...

Page 101: ...94 Appendix D ASCII Character Codes Lower ASCII Character Sets 2 4...

Page 102: ...ML720 721 Printer Handbook 95 Lower ASCII Character Sets 3 4...

Page 103: ...96 Appendix D ASCII Character Codes Lower ASCII Character Sets 4 4...

Page 104: ...ML720 721 Printer Handbook 97 Upper ASCII Character Sets Upper ASCII Character Sets 1 4...

Page 105: ...98 Appendix D ASCII Character Codes Upper ASCII Character Sets 2 4...

Page 106: ...ML720 721 Printer Handbook 99 Upper ASCII Character Sets 3 4...

Page 107: ...100 Appendix D ASCII Character Codes Upper ASCII Character Sets 4 4...

Page 108: ...ML720 721 Printer Handbook 101 Epson International Character Substitutions...

Page 109: ...102 Appendix D ASCII Character Codes IBM International Character Substitutions...

Page 110: ...ML720 721 Printer Handbook 103 MICROLINE International Character Substitutions...

Page 111: ...104 Appendix D ASCII Character Codes Code Page Character Sets Code Page Character Sets 1 3...

Page 112: ...ML720 721 Printer Handbook 105 Code Page Character Sets 2 3...

Page 113: ...106 Appendix D ASCII Character Codes Code Page Character Sets 3 3...

Page 114: ...ound High Level To Printer Strobe Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 Data 8 Acknowledge Busy Paper End Select Auto Feed Not used 0V Chassis Ground 5V 0V Input Prime Fault 0V Not used Not...

Page 115: ...ter Side B Receptacle Upstream Input to the USB Device Cable Side Series B Plug 2 Cable Cable Length Max 5 m A cable must be met USB Spec Rev 1 1 for normal opera tion Note Cable is not provided 3 Tab...

Page 116: ...ugged before you install the board 2 Holding board by cable connector with components facing away from parallel interface gently slide it into opening against guides at top and bottom Press firmly int...

Page 117: ...r com puter Be sure to tighten screws on both ends of cable to keep it in place Important Make sure that you do not have a parallel cable connected to the printer when you re using the serial inter fa...

Page 118: ...Printer From Printer From Printer Protective Ground Transmitted Data Received Data Request to Send Not used Data Set Ready Signal Ground Not Used Supervisory Send Data Not Used Data Terminal Ready No...

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