Oki 791 manual

MICROLINE 790/791 Printer Handbook[...]

Every effort has been made to ensure that the information in this document is com- plete, accurate and up-to-date. OKI assumes no responsibility for the r esults of errors beyond its control. OKI also cannot guarantee that changes in software and equip- ment made by other manufacturers, and referr ed to in this handbook, will not affect the applica[...]

Important Safety Instructions Y our OKI printer has been carefully designed to give you years of safe, r eliable per- formance. As with all electrical equipment, however , there are a few basic precautions you should take to avoid hurting yourself or damaging the unit: • Read the setup and operation instructions in this manual carefully . Be sure[...]

• If you’r e using an extension cord or power strip with the printer , make sure that the total of the amperes r equired by all the equipment on the extension is less than the extension’s rating. Generally , the total ratings of all equipment plugged into any one power line should not exceed 15 amperes. Don’t exceed this unless you know tha[...]

C ontents Introduction ............................................................................................................. 1 Chapter 1: Installation ........................................................................................... 3 Unpacking .......................................................................................[...]

Performing Basic T asks ............................................................................................ 39 Selecting Print Quality .................................................................................. 39 Selecting Character Pitch .............................................................................. 40 T esting Y o[...]

Appendix E: ASCII Character Codes .............................................................. 1 19 ASCII Character Sets .............................................................................................. 1 19 Code Page ................................................................................................................ 123 [...]

ML790/791 Printer Handbook 1 This Guide is arranged to help you get your new MICROLINE 790 or 791 printer set up and running quickly as well as providing you with more detailed information for futur e refer ence. Here’s how it’s organised: • Chapter 1 (Installation) shows you how to get your printer ready to run and how to connect it to your [...]

2 Introduction[...]

ML790/791 Printer Handbook 3 C hapter 1: Installation This chapter explains how to unpack and install your new printer . Unpac king Unpack your printer and make sure you have the following items. If you ar e missing any of these items, contact your dealer immediately for a r eplacement. • Printer • Ribbon cartridge • AC cor d It is not includ[...]

4 Installation 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). Ta b Shipping retainer[...]

ML790/791 Printer Handbook 5 3. Hold the knob and remove the paper separator . 4. Remove the protective material. 5. Set and attach the post to the“ ∆ ”mark of the upper cover and the paper sepa- rator . 6. Remove the protective material from the pull-up roller assembly . Installing Ribbon Cartridge 1. W ith access cover open, grasp print- he[...]

6 Installation 3. Holding ribbon cartridge with knob fac- ing up and ribbon sheild facing platen, fit grooves on either side at back end of cartridge over pins on ribbon plate. 4. Lower front of cartridge over printhead until it snaps into place, then turn knob in direction of arrow (clockwise) to take up ribbon slack. 5. The headgap lever by the s[...]

ML790/791 Printer Handbook 7 Pin assignments for the parallel, USB and the serial interfaces are listed in appendix E. Y ou must supply the cable for connecting your printer to your computer . a. In the case of parallel interface cable 1. Make sur e both printer and computer are OFF . 2. Locate interface port on back of printer . 3. Plug parallel i[...]

8 Installation Connection with Power 1. Make sure both printer and computer are OFF . 2. Plug power cord into back of printer . Plug other end into grounded outlet. 3. T urn 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 you tha[...]

ML790/791 Printer Handbook 9 Y our printer has provision for single-sheet paper feed from the top and for continu- ous-form paper feed fr om the rear . Y ou can also install options: the Cut Sheet Feeder , which holds a stack of 100 sheets for feeding fr om the top and the Push and/or Pull T ractors for feeding continuous-form labels, heavy card st[...]

10 Loading Paper Bottom feed (continuous forms only , thickness to 0.017” [0.44mm]) • Single-part continuous forms – 12 to 24 lb – Minimum 3” wide (* 2 ) • Carbonless, multi-part forms – Original, plus 4 copies – 9 to 1 1 lb – Minimum 3” wide (* 2 ) • Interleaf, multi-part forms (with carbon paper) – Original, plus 4 copies [...]

ML790/791 Printer Handbook 11 Loading Single-Sheet Paper The single-sheet paper path is best for letter head stationery , memos, and envelopes. W e also recommend it for printing graphs and charts because it provides the most accurate contr ol of the paper . T o load in single sheets of paper: If you have any continuous-form paper in the paper path[...]

12 Loading Paper 3. Grasp back of paper separator and un- snap it from housing, then swing it up into single-sheet feed position, making sure that wire 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?[...]

ML790/791 Printer Handbook 13 5. Baseline for T op of Form (TOF) on pa- per is indicated 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 paper up in micro incr ements ☛ to move TOF further up[...]

14 Loading Paper Loading Rear-Feed Paper The rear-feed paper path is recommended for single-thickness, continuous fan-fold paper when printing spreadsheets, long r eports, etc. For graphics or charts, it’s best to use the single-sheet paper path. T o load continuous-form paper from the r ear: 1. If you have paper in paper path, be sure to remove [...]

ML790/791 Printer Handbook 15 4. Hold up the middle part of the paper separator and pull upwards. T ractors 5. Rotate the paper separator forward and stand against pull-up rolller assembly . 6. Locate tractors. P aper separator Pull-up roller assembly[...]

16 Loading Paper Lock le ver T ractor cov er 8. Open the tractor cover , and raise the paper separator . 9. Pull paper , and place first two holes on each side over tractor pins. Please note that an equal number of pa- per holes must be engaged on either tractor in or der to ensure proper paper feed. P aper holes on pins 7. Pull up on lock levers t[...]

ML790/791 Printer Handbook 17 10. Replace the paper separator and insert until the paper separator and upper cover marks align. " "mark " "mark P aper separator Upper cov er[...]

18 Loading Paper Lock le ver T ractor cov ers Ref erence marks 1 1. Close tractor covers and adjust left trac- tor to position edge of paper: reference marks on printer indicate left edge po- sition for the two most common paper sizes. When paper is properly aligned, lock left tractor in place by pushing back on lock lever . 12. Adjust right tracto[...]

ML790/791 Printer Handbook 19 14. Push FF/LOAD button. Paper will au- tomatically feed into printer and ALARM light will go out. 15. Baseline for top of Form(TOF) on pa- per is indicated by red line on clear plas- tic paper shield. M 1 2 3 Baseline 16.If desired, change TOF setting using control panel: If form tear off is being selected in the prin[...]

20 Loading Paper Hold Press to feed paper down in micro increments Press to feed paper up in micro increments ☛ to move TOF further up on page, hold SHIFT button while pressing LF button: this will advance paper down in micro incr ements 17. Press SEL button (SEL light will come on). T o temporarily change the T op of Form setting for a particula[...]

ML790/791 Printer Handbook 21 Paper Handling Y our printer has several handy paper handling features: • T ear • Form T ear-of f • Paper Park T ear 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 posit[...]

22 Loading Paper Forms T ear-off Feature Caution! Do not engage Forms T ear-of f when printing on labels! The Forms T ear-off feature can be engaged to automatically move the paper up to the tear position after the selected interval (500 milliseconds, one second, or two seconds). The page will stay in the tear-of f position until the printer receiv[...]

ML790/791 Printer Handbook 23 Switching Paper Paths T o switch from continuous-form feed from the r ear or bottom (optional push or pull tractor installed) of the printer to single-sheet feed from the top: 1. T ear off printed pages. 2. Press P ARK button. 3. Swing wire guide up into paper separator , then pivot separator to upright posi- tion. 4. [...]

24 Loading Paper[...]

ML790/791 Printer Handbook 25 C hapter 3: Operation This chapter explains how to operate your printer . It also pr ovides instructions on how to change the default settings and how to perform basic tasks, including select- ing typeface/print quality , selecting character pitch, testing your printer , and reset- ting T op of Form to the factory defa[...]

26 Operation The seven buttons to the left on your control panel are multi-function buttons. In r outine printer operation, they are used to manipulate the paper , but you can also use them to enter and make changes in the printer ’s program menu. The PRINT QUALITY and CHARACTER PITCH sections at the right on the front panel are used to select th[...]

ML790/791 Printer Handbook 27 Print Mode In its normal operating state, your printer ’s front panel is in the Print Mode. Indicator Lights In the Print Mode, your printer has the following lights to indicate its status: 1. POWER light: Glows whenever printer is on. 2. SEL light: Glows when printer is selected, ready to receive data. Flashes when [...]

28 Operation Buttons When the printer is selected (SEL light on), only the functions marked at the top of the bank of buttons (LF , FF/LOAD, TEAR, P ARK, QUIET) are in effect. When the printer is deselected (SEL light off), the functions marked at the bottom of the buttons (Micro Feed Down, Micro Feed Up, T OF) can be accessed by means of the SHIFT[...]

ML790/791 Printer Handbook 29 Summary of Front Panel Button Functions SEL      SEL +  SHIFT   SHIFT     LF      LF+  SHIFT      FF/LOAD      FF/LOAD  +SHIFT       TEAR Selects/deselects printer. Resets Paper Out of Paper Jam Alarm. Also ends Fon[...]

30 Operation TEAR+ SHIFT PARK PARK+ SHIFT QUIET QUIET+ SHIFT PRINT QUALITY PRINT QUALITY +SHIFT CHARAC- TER PITCH CHARAC- TER PITCH+ SHIFT FF/LOAD +TEAR N/A : Not applicable. Move the print head to Re- verse. Parks continuous-form pa- per. Move the print head to Forward. Activates/deactivates QUIET mode. Sets Top of Form. Selects next Print Quality[...]

ML790/791 Printer Handbook 31 SEL+LF 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 CSF Installed N/A N/A N/A Menu Mode[...]

32 Operation 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 spac- ing, typeface, pitch, etc. For example, you might want to change the page length to 14 inches if you’re printing on legal-size documents, or to 3 inches [...]

ML790/791 Printer Handbook 33 Sample Menu The menu is made up of gr oups of parameters. W ithin 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 groups; the second, items; the thir d, settings:[...]

34 Operation Summary of Menu Settings The table below details the entries in the printer Menu as it comes from the factory . The defaults ar e in bold face italic type. Other entries will appear in the Menu depending on what options you have installed and what emulation is engaged. For a complete listing of all the available Menu selections, along [...]

ML790/791 Printer Handbook 35 Bottom Feed        Top Feed         Set-Up          6 LPI , 8 LPI  Off , 500 ms, 1 sec, 2 sec  No , Yes  13.6" , 8"  11" , 11 2 / 3 ", 12", 14", 17", 5", 3", 3.5", 4", 5.5", 6&[...]

36 Operation Set-Up                Parallel I/F Full Operation , Limited Operation  No , Yes  Yes , No  No , Yes  No , Yes  17.1 CPI , 15 CPI  20 CPI , 12 CPI  Valid , Invalid  No , Yes  Low , High  DEFAULT , MODE 1, MODE 2  Wide , Narrow  Enable , Disable  5 min , [...]

ML790/791 Printer Handbook 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 Mode Buttons 12 1234[...]

38 Operation Her e is a summary of the buttons active in the Menu Mode: 1. GROUP button: Pr ess to scan thr ough groups of listings. Each time you press the GROUP button, a line will print, showing the next gr oup in the Menu. T o go back one group, hold the SHIFT button while pr essing the GROUP button. 2. ITEM button: Press to scan thr ough items[...]

ML790/791 Printer Handbook 39 Performing Basic T asks Selecting Print Quality Y our printer allows you to select from three print qualities: HSD, utility and letter quality (LQ), HSD and Utility printing ar e in the Gothic typeface. The LQ printing is of noticeably higher quality and offers you a choice of seven typefaces: Courier , Gothic, Prestig[...]

40 Operation Selecting Character Pitch The character pitch determines the width of the individual characters and is mea- sured in characters per i nch (cpi). T o select the character pitch, press the CHARAC- TER PITCH button successively until the light underneath the pitch you wish to en- gage is lit (10 cpi, 12cpi, 15cpi, 17cpi, 20cpi, or Proport[...]

ML790/791 Printer Handbook 41 The table below summarizes the fonts available from your printer: LQ Courier      LQ Letter Gothic     LQ Prestige     LQ Orator     LQ Roman      LQ Swiss      LQ Swiss Bold     Utility Gothic    HSD Gothic   Ba[...]

42 Operation T esting Y our printer Y our printer has three your can run: the Font T est, the Rolling ASCII T est, and the Hexadecimal Dump T est. Font T est The Font T est pr ovides a printout c ontaining samples of available typefaces. Here’s a portion of a Font T est printout:[...]

ML790/791 Printer Handbook 43 T o run the Font T est: 1. Be sure paper is loaded. 2. T urn off printer . 3. Hold LF button for several seconds while turning printer on. (IF printer simply turns on without starting to print, you didn’t hold down LF button long enough.) Rolling ASCII T est The Rolling ASCII T est produces a continuous printout of a[...]

44 Operation T o activate the Rolling ASCII T est: 1. Be sur e paper is loaded. Caution! For wide carriage Model 791, be sure you have wide paper loaded! 2. T urn off printer . 3. Hold QUIET button for several seconds while turning printer on. (If printer sim- ply turns on without starting to print, you didn’t hold down QUIET button long enough.)[...]

ML790/791 Printer Handbook 45 T o engage the Hexadecimal Dump Mode: 1. Be sure paper is loaded. 2. T urn off printer . 3. Hold SEL and FF/LOAD buttons for several seconds while turning on printer . The printer will print the line “ Hex Data Dump ” and be ready to r eceive data in the Hexadecimal Dump Mode. T o run the test, simply send data to [...]

46 Operation Y ou will find a list of the bar code printer commands for each emulation in appendix C. Her e is a brief explanation of each of the available bar 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 fiv[...]

ML790/791 Printer Handbook 47 EAN 8 EAN (Eur opean Article Numbering) bar coding is a variation of UPC coding. EAN 8 encodes eight digits. EAN 13 EAN 13 encodes 13 digits and contains the same number of bars as UPC A. The thir- teenth digit combined with the twelfth digit pr ovides a code representing a country . Code 39 Also known as 3 of 9 Code, [...]

48 Operation Code 128 Code 128 has 106 dif ferent characters, each of which can have any one of three differ- ent meanings depending on which code set (A, B, or C) is engaged. A special code at the beginning indicates which set is engaged: three shift codes ar e also available for use within the bar code to indicate a change in the code set engaged[...]

ML790/791 Printer Handbook 49 C hapter 4: W orking with Software This chapter covers the fundamentals of setting up commercial software packages for use with your printer . Be sure to r ead your software documentation carefully for more details. Basic T erminology Before we start, let’s examine a few terms with which you may not be familiar . Pri[...]

50 W orking with Software Emulations In order to eliminate hundreds of differ ent sets of printer commands, most printers emulate, or imitate, one of several general printers; i.e., they accept all of that printer ’s commands and behave as though they were the emulated printer . Y our printer has three emulations: • IBM Proprinter • IBM AGM ?[...]

ML790/791 Printer Handbook 51 Because there are some differ ences in characteristics such as speed or access to vari- ous featur es, you may wish to experiment with several dif ferent drivers. If you must select a driver that is not listed in the table, be sur e to check it thoroughly for print features such as boldface, underline and changes in pi[...]

52 W orking with Software[...]

ML790/791 Printer Handbook 53 C hapter 5: Problem Solving, Maintenance, & Service This chapter provides solutions to some common printer problems and explains the r outine maintenance procedures that will help keep your printer in tip-top operating condition. It also tells you how to or der parts, consumables and accessories, and pro- vides inf[...]

54 Ploblem Solving, Maintenance, & Service …I’m getting strange symbols, incorrect fonts, etc., when I try to print a document? The printer driver you have engaged does not agree with the emulation selected for your printer . T o check the emulation selected, first make sure paper is loaded, then press the SEL and SHIFT buttons simultaneous[...]

ML790/791 Printer Handbook 55 …there are dots missing in my printouts? The head gap may not be set correctly . T ry moving the head gap lever to a lower setting. If that doesn’t help, the printhead may be damaged; call for service. … the Alarm light is on and the Character Pitch 15 light is flashing? This indicates a paper loading error . T o[...]

56 Ploblem Solving, Maintenance, & Service …my word processor files don’t print the way I have the MENU and front panel set? Before sending a file to the printer , many word processors send either an “initializa- tion string” or an I-Prime signal to the printer . The initialization storing contains codes that reset the printer to a defa[...]

ML790/791 Printer Handbook 57 Maintenance This section explains how to change ribbons, clear paper jams and clean your printer . Replacing the Ribbon Cartridge When replacing the ribbon, be sur e to use only ribbons specifically for use with MICROLINE 790 /791 T urbo printers. For best results,use genuine OKI ribbons. Center printhead Swing front e[...]

58 Ploblem Solving, Maintenance, & Service M 1 2 3 Knob Plastic shield f acing platen 5. Remove new ribbon cartridge fr om its packaging — do NOT remove clear plastic ribbon shield! 6. Hold ribbon cartridge with knob facing up and exposed portion of ribbon fac- ing platen. Place flat end on ribbon plate, fitting grooves over pins on plate. 7 [...]

ML790/791 Printer Handbook 59 Clearing Paper Jams Caution! Always turn the printer off befor e you turn the platen knob! Rear Feed Jams T o clear a rear-feed paper jam: 1. T urn off printer 2. T urn 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[...]

60 Ploblem Solving, Maintenance, & Service 4. Open tractor covers and r emove paper from printer . 5. Open access cover and lift off pull-up roller assembly . Note: Never attach or remove the pull-up roller assembly when the paper separator is in the standing state. 6 . Fold some single-sheet, continuous- feed paper over three times to produce [...]

ML790/791 Printer Handbook 61 10. Replace pull-up roller assembly . Note: When installing a pull-up roller assem- bly , Shift the paper lever in agreement with the “Rear” mark before the installation. 1 1. Reload regular paper (open tractor cov- ers, place paper on pins, close tractor covers). 12. Swing access cover and paper separa- tor back i[...]

62 Ploblem Solving, Maintenance, & Service Single Sheet Feed Jams T o remove jammed single sheets of paper (top feed): 1. T urn printer OFF . 2. Rotate platen knob to back paper out of carriage. 3. If necessary , open access cover and lift off pull-up roller assembly to provide access to remove any ripped pieces from ar ound carriage. Button Fe[...]

ML790/791 Printer Handbook 63 Cleaning the Housing Y ou should clean the printer every six months (or after about 300 hours of operation). T o do this: 1. T urn printer OFF and remove paper from path. 2. Open access cover and remove pull-up roller assembly . 3. Use clean, dry cloth to dust area ar ound carriage shaft and platen. Be sure to r e- mov[...]

64 Ploblem Solving, Maintenance, & Service Accessories Y ou can add even mor e flexibility to your printer by means of the following optional accessories. Cut Sheet Feeder , Single-Bin and Dual-Bin Mounts on the platen to provide continu- ous single-sheet paper feed. The bin will hold up to 100 sheets of standard, 20-lb paper . W ith cable for [...]

ML790/791 Printer Handbook 65 Pull T ractor , T op-Mount Used for bottom-feed of labels or heavy card stock, or in conjunction with the rear- feed tractor to provide more precise pa- per control when you’re using multi-part forms. Includes cover for installation in place of access cover . Roll Paper Stand Adapts ML 790 printer for use with roll- [...]

66 Ploblem Solving, Maintenance, & Service Replacement P ar ts Replacement Part Access Cover , ML 790 Access Cover , ML 791 AC Cord Poll-up Roller Assembly , ML 790 Poll-up Roller Assembly , ML 791 Platen Knob Printhead Ribbon, Black[...]

ML790/791 Printer Handbook 67 A ppendix A: Specifications Print Method Impact dot matrix Printhead 24 pins, 0.20 mm diameter with thermal protec- tion Print Speed Mode Characters per Second (CPS) High Speed Draft (HSD) 10 cpi 420 cps Utility 10 cpi 315 cps 12 cpi 378 cps 15 cpi 472 cps 17.1 cpi 269 cps 20 cpi 315 cps Letter Quality (LQ) 10 cpi 105 [...]

68 Appendix A: Specifications Graphics Resolution: 360 x 360 dots per inch Resident Font Letter Quality Courier , Gothic, Pr estige, Orator , Roman, Swiss, Swiss Bold Utility Gothic Bar Code: Code 39, UPC A, UPC E, EAN 8, EAN 13, Inter- leaved 2 of 5, Code 128, Postnet Receive Buffer Size MAX 128K Reliability Mean T ime Between 20000 hours at 25% d[...]

ML790/791 Printer Handbook 69 Cut sheets    Single-part continuous forms    Carbonless, multipart contin- uous form (orig. + 4 copies)   Interleaf, multipart continu- ous form (orig. + 4 copies)   Labels    Envelopes, single feed   Envelopes, continuous feed, non-overlap type   Card stock   T[...]

70 Appendix A: Specifications Dimensions (W x D x H) ML 790: 15.7 x 13.6 x 6 inch (398 x 345 x 153 mm) ML 791: 21.7 x 13.6 x 6 inch (552 x 345 x 153 mm) W eight ML 790: 16.7 lb (7.6Kg) ML 791: 21.1 lb (9.6Kg) Environmental Requirements Operating T emperature: 41 to 95˚F (5 to 35˚C) Storage T emperature: 14 to 122˚F (-10 to +50˚C) Operating Humi[...]

ML790/791 Printer Handbook 71 The menu selections for your printer ar e summarized below . Factory defaults are in- dicated in bold face italic . Explanations for each item follow the table. The table below summarizes all possible menu settings available with your printer . Which of these you will actually see when you are working in the Menu depen[...]

72 Appendix B: Menu Selections Bottom Feed        Top Feed          Set-Up 6 LPI , 8 LPI  Off , 500 ms, 1 sec, 2 sec  No , Yes  13.6" , 8"  11" , 11 2 / 3 ", 12", 14", 17", 5", 3", 3.5", 4", 5.5", 6", 7", 8", 8.5&qu[...]

ML790/791 Printer Handbook 73 Set-Up    Parallel I/F      Serial I/F * 4            CSF Bin 1 * 3       CSF Bin 2 * 3 Enable , Disable  5 min , 10 min, 15 min, 30 min, 60 min   Buffer Print , Buffer Clear, Invalid  +5V , Open  Invalid , Valid  Enable , Disa[...]

74 Appendix B: Menu Selections Explanation of Menu Items These explanations are in alphabetical sequence to make it easier to look them up. Many of the items will appear only with optional equipment installed, as noted be- low . Y ou will find the items Line Spacing, Form T ear-Of f, Skip Over Perforation and Page Length appearing several times in [...]

ML790/791 Printer Handbook 75 Busy Line. Appears only if optional Serial Interface is installed. SSD- (factory de- fault), SSD+, DTR, R TS. If Ready / Busy protocol (factory default) is selected, you can choose which line your system monitors for a busy signal: SSD -9V , select SSD- SSD +9V , select SSD+ DTR -9V , select DTR R TS -9V , select R TS [...]

76 Appendix B: Menu Selections Emulation Mode. IBM PPR , IBM AGM, or Epson LQ (factory default). Selects the printer command set you want your printer to use: IBM X24e or XL24e Pr oprinter , IBM X24e or XL24e Alternate Graphics Mode (AGM), or Epson LQ 850/ 1050. Form T ear-Off. Of f (factory default), 500 ms, 1 sec, or 2 sec. Form T ear -Off advanc[...]

ML790/791 Printer Handbook 77 Important! This feature also prevents access to the Menu. T o access the Menu, turn the printer off, then hold down the SEL key while turning on the printer . Page Length. 1 1” (factory default), 1 1 2 / 3 ”, 12”, 14”, 17”, 5”, 3”, 3.5”, 4”, 5.5”, 6”, 7”, 8”, 8.5”. Selects the length of the [...]

78 Appendix B: Menu Selections Print Mode. LQ Courier (factory default), LQ Roman, LQ Swiss, LQ Swiss Bold, LQ Orator , LQ Gothic, LQ Prestige, HSD or Utility . Choose one of the LQ fonts for letter quality printing; choose utility for high-speed printing. Print Registration. 0 (factory default), 0.05 mm Left, 0.15 mm Left, 0.20 mm Left, 0.25 mm Le[...]

ML790/791 Printer Handbook 79 Size. Choose Single (factory default) or Double width and height printing. Skip Over Perforation. No (factory default) or Y es. Change to Y es if you want the printer to advance automatically to the next page when it comes within one inch of the bottom of the page. If your software has its own page formatting controls,[...]

80 Appendix B: Menu Selections[...]

ML790/791 Printer Handbook 81 This appendix contains the commands for the Epson LQ emulation, gr ouped by func- tion. Normally the commands in this table override Menu settings. Except as noted, these commands are cancelled and the printer returns to factory and Menu settings when the printer receives an Initialization, Software I-Prime, or Change [...]

82 Appendix C: Printer Commands Absoulte Horizontal Position Relative Horizontal Position Set Print Position ASCII: ESC $ n 1 n 2 Dec: 27 36 n 1 n 2 Hex: 1B 24 n 1 n 2 ASCII: ESC n 1 n 2 Dec: 27 92 n 1 n 2 Hex: 1B 5C n 1 n 2 ASCII: ESC DLE @ P n A 1 A 2 P 1 P 2 P 3 P 4 Dec: 27 16 64 [data] Hex: 1B 10 40 [data] Epson  Function Commands  (ASC[...]

ML790/791 Printer Handbook 83 Left Margin Set Right Margin Set Auto Justification Unidirectional Print On/ Off One-line Unidirectional Printing Backspace Delete One Character Vertical Control  Set 1 / 6 -inch Line Spacing Set 1 / 8 -inch Line Spacing ASCII: ESC l n Dec: 27 108 n Hex: 1B 6C n ASCII: ESC Q n Dec: 27 81 n Hex: 1B 51 n ASCII: ESC a [...]

84 Appendix C: Printer Commands Set n / 60 -inch Line Spacing Set n / 180 -inch Line Spacing Set n / 360 -inch Line Spacing Line Feed n / 180 -inch Line Feed n / 180 -inch Reverse Line Feed n / 360 -inch Line Feed Set relative vertical print position ASCII: ESC A n Dec: 27 65 n Hex: 1B 41 n ASCII: ESC 3 n Dec: 27 51 n Hex: 1B 33 n ASCII: ESC + n or[...]

ML790/791 Printer Handbook 85 Set absolute vertical print position Form Feed Vertical Tab Set Vertical Tab Stops ASCII: ESC (V n 1 n 2 m 1 m 2 Dec: 27 40 86 n 1 n 2 m 1 m 2 Hex: 1B 28 56 n 1 n 2 m 1 m 2 ASCII: FF Dec: 12 Hex: 0C ASCII: VT Dec: 11 Hex: 0B ASCII: ESC B n 1 n 2 ··· n k NUL Dec: 27 66 n 1 n 2 ··· n k 0 Hex: 1B 42 n 1 n 2 ··· n[...]

86 Appendix C: Printer Commands Set Vertical Format Unit (VFU) Select Vertical Tab Chan- nel Set Page Length in Lines Set Page Length in Inches Set page length in de- fined unit ASCII: ESC b m n 1 n 2 ··· n k NUL Dec: 27 96 m n 1 n 2 ··· n k 0 Hex: 1B 62 m n 1 n 2 ··· n k 00 ASCII: ESC / n Dec: 27 47 n Hex: 1B 2F n ASCII: ESC C n Dec: 27 6[...]

ML790/791 Printer Handbook 87 Set page format Set Skip Over Perforation area (bottom margin) Cancel Skip Over Perfora- tion Cut Sheet Feeder  Option   Cut Sheet Feeder Control Character Sets Copy ROM Character Set to RAM Character Set ASCII: ESC (c n 1 n 2 t 1 t 2 b 1 b 2 Dec: 27 40 99 n 1 n 2 t 1 t 2 b 1 b 2 Hex: 1B 28 63 n 1 n 2 t 1 t 2 [...]

88 Appendix C: Printer Commands Define Custom  Character(s)          Custom Character Set On/ Off     Select International  Character Set  (set Code Page)                   Assign character table ASCII: ESC & 0 [data]  Dec: 27 38 0 [data] ?[...]

ML790/791 Printer Handbook 89 Select Epson Character Set Print data as character table Permit printing of upper range control codes Cancel printing of upper range control codes Bar Code Command Select Bar Code Type and Size ASCII: ESC t n Dec: 27 116 n Hex: 1B 74 n ASCII: ESC (^ n 1 n 2 [data] Dec: 27 40 94 n 1 n 2 [data] Hex: 1B 28 5E n 1 n 2 [dat[...]

90 Appendix C: Printer Commands             Print Industrial Bar Code Data       Print Postnet Bar Code Data     Print Bar Code             ASCII: ESC DLE B m n [data]  Dec: 27 16 66 m n [data]  Hex: 1B 10 42 m n [data]      AS[...]

ML790/791 Printer Handbook 91 Print Features   Utility / LQ Selection     Select Draft Font     Select LQ Typeface          Select font by pitch and point     ASCII: ESC x n  Dec: 27 120 n  Hex: 1B 78   ASCII: ESC y n  Dec: 27 121 n  Hex: 1B 79 n   ASCII: E[...]

92 Appendix C: Printer Commands Proportional Spacing     Select 10 cpi Pitch (Pica)     Select 12 cpi Pitch (Elite)     Select 15 cpi Pitch     Select Compressed Print     Cancel Compressed Print     Set Character Spacing     Select horizontal motion index (HMI) [...]

ML790/791 Printer Handbook 93 Score (Lines) Selection Turn Underlining on/ off Start Superscript/ Subscript Stop Superscript/ Subscript Select Character Style (normal, shadow, out- line, outline& shadow) Start Emphasized Printing Stop Emphasized Printing Start Enhanced (Double Strike) Printing ASCII: ESC ( - j h l n 1 n 2 Dec: 27 40 45 j h l n [...]

94 Appendix C: Printer Commands Stop Enhanced Printing Double Width (Expand- ed) Printing Immediate Double Width Stop Immediate Double Width Printing Double Height Printing Graphics, 8 & 24-pin Mode For all graphics com- mands the number of dot columns of graphic data is as follows: dots= n 1 + (n 2 x 256) Graphics Select/ Print ASCII: ESC H De[...]

ML790/791 Printer Handbook 95     Graphics, 8 -pin Mode Single Density Graphics Double Density Graphics Quasi Double Density Graphics Quadruple Density Graphics Reassign Graphics ASCII: ESC K n 1 n 2 [graphic data] Dec: 27 75 n 1 n 2 [graphic data] Hex: 1B 4B n 1 n 2 [graphic data] ASCII: ESC L n 1 n 2 [graphic data] Dec: 27 76 n 1 n 2 [...]

96 Appendix C: Printer Commands          Composite Command  Miscellaneous Select emulation mode Initialize printer Cancel ASCII: ESC ! n DEc: 27 33 n Hex: 1B 21 n ASCII: ESC { n Dec: 27 123 n Hex: 1B 7B n ASCII: ESC @ Dec: 27 64 Hex: 1B 40 ASCII: CAN Dec: 24 Hex: 18 Epson  Function Commands  (ASCII, Decimal, Hexa[...]

ML790/791 Printer Handbook 97 Set Most Significant Bit (MSB) to 1 Set Most Significant Bit (MSB) to 0 Reset Most Significant Bit (MSB) Print Suppress Mode On Print Suppress Mode Off Disable Paper-Out Sensor Enable Paper-Out Sensor Half-Speed Printing On/ Off ASCII: ESC > Dec: 27 62 Hex: 1B 3E ASCII: ESC = Dec: 27 61 Hex: 1B 3D ASCII: ESK # Dec: [...]

98 Appendix C: Printer Commands Software I-Prime Set unit Set/ Reset Incremental Print Mode Raster Graphics Select graphics mode ASCII: ESC } NUL Dec: 27 125 0 Hex: 1B 7D 00 ASCII: ESC ( U n 1 n 2 m Dec: 27 40 85 n 1 n 2 m Hex: 1B 28 55 n 1 n 2 m ASCII: ESC i n Dec: 27 105 n Hex: 1B 69 n ASCII: ESC ( G n 1 n 2 m Dec: 27 40 71 n 1 n 2 m Hex: 1B 28 4[...]

ML790/791 Printer Handbook 99 Turn raster graphics mode ON/ OFF Print raster graphics ASCII: ESC DLE G P n0 P n Dec: 27 16 71 P n0 P n Hex: 1B 10 47 P n0 P n A SCII: ESC . P c P v P h P m n 1 n 2 [data] Dec: 27 46 P c P v P h P m n 1 n 2 [data] Hex: 1B 2E P c P v P h P m n 1 n 2 [data] Epson  Function Commands  (ASCII, Decimal, Hexadecimal) O[...]

100 Appendix C: Printer Commands[...]

ML790/791 Printer Handbook 101 This appendix contains the commands for the IBM X24e/ XL24e Proprinter and X24e AGM/ XL24e AGM emulations, grouped by function. Normally the commands in this table override Menu settings. Except as noted, these commands are cancelled and the printer returns to factory and Menu settings when the printer receives an Ini[...]

102 Appendix D: Printer Commands Move to the Left (Backwards) Self Left & Right Margins Engage/ Disengage Unidirectional Printing Backspace Set Print Position ASCII: ESC e n 1 n 2 Dec: 27 101 n 1 n 2 Hex: 1B 65 n 1 n 2 ASCII: ESC X n m Dec: 27 88 n m Hex: 1B 58 n m ASCII: ESC U n Dec: 27 85 n Hex: 1B 55 n ASCII: BS Dec: 8 Hex: 08 ASCII: ESC DLE[...]

ML790/791 Printer Handbook 103 Vertical Control Set 1 / 8 -inch Line Spacing Set 7 / 72 -inch Line Spacing Activate Line Spacing Set n / 72 -inch or n / 60 -inch Line Spacing Set n / 360 -inch Line Spacing Set n / 216 -inch or n / 180 - inch Line Spacing Line Feed Reverse Line Feed ASCII: ESC 0 Dec: 27 48 Hex: 1B 30 ASCII: ESC 1 Dec: 27 49 Hex: 1B [...]

104 Appendix D: Printer Commands Automatic Line Feed Control n / 360 -inch Line Feed n / 216 -inch or n / 180 -inch Line Feed Form Feed Vertical Tab Set Vertical Tab Stops Set Form Length in Inches ASCII: ESC 5 Dec: 27 53 n Hex: 1B 35 n ASCII: ESC % 4 n Dec: 27 37 52 n Hex: 1B 25 34 n ASCII: ESC J n Dec: 27 74 n Hex: 1B 4A n ASCII: FF Dec: 12 Hex: [...]

ML790/791 Printer Handbook 105 Set Form Length in Lines Set Skip Over Perforation Cancel Skip Over Perforation Set Top of Form Cut Sheet Feeder  (Option)  Cut Sheet Feeder Control ASCII: ESC C n Dec: 27 67 n Hex: 1B 43 n ASCII: ESC N n Dec: 27 78 n Hex: 1B 4E n ASCII: ESC O Dec: 27 79 Hex: 1B 4F ASCII: ESC 4 Dec: 27 52 Hex: 1B 34 ASCII: ESC E[...]

106 Appendix D: Printer Commands Character Sets Select Code Page Select International Character Set Print from IBM Character Set III Print One Character from IBM Character Set III ASCII: ESC [ T1h NUL NUL H cp L cp NUL Dec: 27 91 84 1 h 0 0 H cp L cp 0 Hex: 1B 5B 54 1 h 00 00 H cp L cp 00 ASCII: ESC ! n Dec: 27 33 n Hex: 1B 21 n ASCII:ESC n 1 n 2[...]

ML790/791 Printer Handbook 107 Select IBM Character Set I Select IBM Character Set II Bar Code Commands Select Bar Code Type and Size Print Industrial Bar Code Data ASCII: ESC 7 Dec: 27 55 Hex: 1B 37 ASCII: ESC 6 Dec: 27 54 Hex: 1B 36 ASCII: ESC DLE A m n 1 ··· n 8 Dec: 27 16 65 m n 1 ··· n 8 Hex: 1B 10 41 m n 1 ··· n 8 ASCII: ESC DLE B n [...]

108 Appendix D: Printer Commands Print Postnet Bar Code Data     Select Barcode type ASCII: ESC DLE C n [data]  Dec: 27 16 67 n [data]  Hex: 1B 10 43 n [data]    ASCII: ESC [ f Ln Hn Pk Pm Ps Lv Hv Pc  16-digit: 1B 5B 66 Ln Hn Pk Pm Ps Lv Hv Pc  10-digit: 27 91 102 Ln Hn Pk Pm Ps Lv Hv Pc    IBM  Functio[...]

ML790/791 Printer Handbook 109                Print Barcode       Print Features   Select LQ Typeface               Select Font                  ASCII: ESC [ f Ln Hn DATA  16-digit: 1B [...]

110 Appendix D: Printer Commands                        Select Print Quality             Select font by pitch and point                        ASCII: ESC [ d Ln Hn Pn  16-di[...]

ML790/791 Printer Handbook 111 Proportional Spacing           Set 10 Cpi Pitch     Set 12 Cpi Pitch      Set 15 Cpi Pitch     Set Compressed Pitch           Set 20 Cpi Pitch     Select pitch printer mode, and ROM versus RAM character gener[...]

112 Appendix D: Printer Commands      Start Italic Printing     Stop Italic Printing     Underlining      Select Score                      Start Subscript/  Superscript      Stop Subscript/  Superscript   [...]

ML790/791 Printer Handbook 113 Select Character Style Start Emphasized Printing Stop Emphasized Printing Start Enhanxed (Double strike) Printing Stop Enhanced Printing Double Width (Expanded) Printing Immediate Double Width Stop Immediate Double Width Printing Control Double Height/ Width ASCII: ESC q n Dec: 27 113 n Hex: 1B 71 n ASCII: ESC E Dec: [...]

114 Appendix D: Printer Commands Overscore Graphics, 8-Pin Mode For all 8-pin graphics commands the number of dot columns of graphic data=n 1 + (n 2 x 256) Single Density Graphics Double Density Graphics Quasi-Double Density Graphics Quadruple Density Graphics Set Aspect Ratio for Bit Image Graphics ASCII: ESC _ n Dec: 27 95 n Hex: 1B 5F n ASCII: E[...]

ML790/791 Printer Handbook 115 Graphics, 8 & 24-Pin Mode Graphics Select/ Print Graphics Select ASCII: ESC * m l h [graphics data] Dec: 27 42 m l h [graphics data] Hex: 1B 2A m l h [graphics data] ASCII: ESC [ g l h m [graphics data] Dec: 27 91 103 l h m [graphics data] Hex: 1B 5B 67 l h m [graphics data] IBM  Function Commands  (ASCII, D[...]

116 Appendix D: Printer Commands    Miscellaneous  Commands  Select Emulation Mode Cancel ASCII: ESC { n Dec: 27 123 n Hex: 1B 7B n ASCII: CAN Dec: 24 Hex: 18 IBM  Function Commands  (ASCII, Decimal, Hexadecimal) m=9: Double density, 24-pin, 120 dpi [same as ESC * 33] m=11: Triple density, 24-pin, 180 dpi [same as ESC * 39] m=1[...]

ML790/791 Printer Handbook 117 Print Suppress Mode On Print Suppress Mode Off Stop Printing Disable Paper-Out Sensor Enable Paper-Out Sensor Software I-Prime Set/ Reset Incremental Print Mode ASCII: ESC Q n Dec: 27 81 n Hex: 1B 16 n ASCII: DC1 Dec: 17 Hex: 11 ASCII: ESC j Dec: 27 106 Hex: 1B 6A ASCII: ESC 8 Dec: 27 56 Hex: 1B 38 ASCII: ESC 9 Dec: 2[...]

118 Appendix D: Printer Commands[...]

ML790/791 Printer Handbook 119 ASCII Character Sets A ppendix E: ASCII Character Codes[...]

120 Appendix E: ASCII Character Codes[...]

ML790/791 Printer Handbook 121[...]

122 Appendix E: ASCII Character Codes[...]

ML790/791 Printer Handbook 123 Code Page[...]

124 Appendix E: ASCII Character Codes[...]

ML790/791 Printer Handbook 125 This appendix gives the pin assignments for the parallel interface and Universal Se- rial Bus (USB). It also explains how to install the optional Serial Interface Board and gives the pin assignments for the serial interface. Pin Assignments for Parallel Interface Signals A ppendix F: Interfacing * 1.2 mA maximum 1 2 3[...]

126 Appendix F: Interfacing Universal Serial Bus (USB) Universal Serial Bus Specification Revision 1.1 compliance. 1. Connector • Printer Side: “B” Receptacle (Upstream Input to the USB Device) • Cable Side: Series “B” Plug 2. Cable • Cable Lenght: Max 5 m (A cable must be met USB Spec Rev 1.1 for normal opera- tion) Note: Cable is no[...]

ML790/791 Printer Handbook 127 Installing the Serial Interface Caution! Handle the interface boar d with care to avoid damaging its components. The components can also be damaged by static discharges. W e recommend that you leave the board in its pr otective packaging until you’ve read these instructions and are ready to install it. Make sure the[...]

128 Appendix F: Interfacing 3. By inserting board to the far end, it is locked by the lock piece inside. Board Lock piece 4. Connect suitable interface cable (must be purchased separately) to printer con- nector and to serial port of your com- puter . Be sur e to tighten screws on both ends of cable to keep it in place. Impor tant! Make sure that y[...]

ML790/791 Printer Handbook 129 1 2 3 4 5 6 7 8-10 11 12-19 20 21-25 From Printer To Printer From Printer To 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 Not Used Pin Signal Direction PG TD RD RTS DS[...]

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Oki Data Corporation 4-11-22, Shibaura, Minato-ku T okyo 108-8551 Japan T el: (81) 3 5445 6158 F ax: (81) 3 5445 6189 42114104EE[...]