Oki ML5721 User Manual
Hide thumbs Also See for ML5721:
Table of Contents

Advertisement

Quick Links

ML5720/ML5721/ML5790/ML5791

Advertisement

Table of Contents
loading

Summary of Contents for Oki ML5721

  • Page 1 ML5720/ML5721/ML5790/ML5791...
  • Page 2: Preface

    Copyright © 2010 Oki Data corporation. All rights reserved. OKI is a registered trademark of Oki Electric Industry Co., Ltd. Oki Printing Solutions is a trademark of Oki Data Corporation. Hewlett-Packard, HP, and LaserJet are registered trademarks of Hewlett-Packard Company.
  • Page 3: Environmental Information

    ENVIRONMENTAL INFORMATION Manufacturer > 3...
  • Page 4: Table Of Contents

    OKI DIPUS ........
  • Page 5 Menu setting..........41 Menu items and settings .
  • Page 6: Notes, Cautions And Warnings

    OTES CAUTIONS AND WARNINGS NOTE A note provides additional information to supplement the main text. CAUTION! A caution provides additional information which, if ignored, may result in equipment malfunction or damage. WARNING! A warning provides additional information which, if ignored, may result in a risk of personal injury.
  • Page 7: Introduction

    BOUT THIS GUIDE This manual is your user’s guide (check the web site, www.oki.com/printing/ , for the most up-to-date version) for your printer and forms part of the overall user support listed below: >...
  • Page 8: Printing

    RINTING PAGES The whole manual, individual pages, or sections may be printed. The procedure is: From the toolbar, select File, then Print (or press the Ctrl + P keys). Choose which pages you wish to print: All pages, (1), for the entire manual. Current page, (2), for the page at which you are looking.
  • Page 9: Getting Started

    ETTING STARTED WARNING! If you have not already done so, familiarise yourself with the content of the Installation Safety booklet supplied with your printer. ETAINING PACKING MATERIALS After setting up your printer according to the instructions in the Set-up Guide, retain your packing materials and container in case you ever need to ship or transport your printer.
  • Page 10: Internal View

    NTERNAL VIEW Paper Thickness Lever: set according to the thickness of the paper. Ribbon Cartridge: holds the printer ribbon. Print Head: prints the characters on the paper. Pull-up Guide assembly: remove when using optional Pull tractor and optional Cut- sheet feeder. EAR VIEW USB connector: connect to USB interface cable.
  • Page 11: Locating Your Printer

    OCATING YOUR PRINTER > Select a firm, solid surface on which to site your printer. > Allow enough space around your printer (e.g. at least 60 cm from any wall) for easy access to the paper feed paths. >= > Make sure a grounded power outlet is available nearby.
  • Page 12: Powering Off Your Printer

    Connect the power cable connector (1) A/C Input (2) on the printer. Connect the power cable to a 220/240 V AC (3a) power outlet and switch on the outlet power (3b). WARNING! Be careful when inserting a three-pronged AC plug. Before plugging it in, check the position of the FG terminal.
  • Page 13: Producing A Test Print

    Switch off the outlet power (1a) and then unplug from the power outlet (1b). Unplug the power cable connector (2) from the printer (3). RODUCING A TEST PRINT To check that your printer is operational, produce a test print on a sheet of 80 gsm A4 paper (for example) as follows: CAUTION! >...
  • Page 14 When the test print has completed, press the LOAD/EJECT button to eject the paper. NOTE If you want to abort the test print for any reason, press the SEL button followed by the LOAD/EJECT button to eject the paper and then turn the printer Power Switch to OFF.
  • Page 15: Connecting To A Computer

    ONNECTING TO A COMPUTER In this section you will interconnect your printer and computer, install the printer driver in your computer and print a test page. NTERCONNECTING PRINTER AND COMPUTER NTERFACES Your printer is equipped with two standard data interfaces: >...
  • Page 16: Interconnection

    NTERCONNECTION Ensure that both printer and computer are turned OFF. Connect the required interface cable, USB (1) or parallel (2), or serial or network (3) to the printer and then to the computer. NOTE With the Auto Interface connection enabled, you can also connect all the interfaces at the same time.
  • Page 17: Printing From A Computer

    Help button. OKI DIPUS The OKI DIPUS utility allows you remote access t o the printer settings using the avail a ble applications. You can access DIPUS from Start > All Progra ms > Okidata > OKI DIPUS .
  • Page 18: Paper Handling

    APER HANDLING This section describes how to use cut sheet paper and continuous forms in your printer. OADING CONTINUOUS FORMS Setting up continuous forms To avoid paper feeding problems, carry out the following:Check your printer is on a surface approximately 75 cm above the floor. Position the continuous forms supply directly below the printer, no more than 3 cm left or right of the printer paper path.
  • Page 19: Feeding Continuous Forms

    Front feed (Push) 60 cm 75 cm 3 cm EEDING CONTINUOUS FORMS EAR FEED PUSH Ensure that the printer is turned ON. NOTE If there is a cut sheet in the printer, eject it as described in “Ejecting cut sheet paper”...
  • Page 20 Lift the locking lever (1) of the right Pin Tractor and slide the Pin Tractor as required to adjust the paper position relative to the first horizontal character centre mark. Press the locking lever back down to lock the Pin Tractor in the desired position. Lift the locking lever (2) of the left Pin Tractor and slide the Pin Tractor to the required position to accommodate the width of the continuous forms to be used.
  • Page 21 Tractors. Press the locking lever down to lock the right Pin Tractor in the desired position. Lower the top paper tray and slide it towards the front of the printer until the marks align. Press the LOAD/EJECT button. The continuous forms will be taken into the printer and positioned at the first line print position and the SEL indicator will illuminate.
  • Page 22: Front Feed Push

    Push the tabs in the arrow direction and then pull the Pin Tractor in your direction to release it. RONT FEED PUSH NOTE If there is a cut sheet in the printer, eject it as described in “Ejecting cut sheet paper”...
  • Page 23 Remove the Pull-up Guide assembly support. Remove the top tray by holding the tray by the tabs on both sides and pulling it up. Turn the printer, so that the back of the printer is facing you. Remove the tractor assembly. See “Dismounting the rear pin tractor”...
  • Page 24 Close the Top Cover. Open and remove the front cover (1). NOTE If front cover is already open and the front cut sheet paper tray has been installed, gently lift the tray from the bottom and remove it, and then remove the front cover.
  • Page 25 Open the left and right Pin Tractor covers and feed the continuous forms in the direction of the arrow, locating the sprocket holes in the forms onto the sprocket pins. NOTE Ensure that paper is fed straight into the printer to avoid the possibility of skew printing, irregular line feeding and paper jam.
  • Page 26: Tearing Off Continuous Forms

    To move the form backward, press the TEAR and the LF/FF buttons together. NOTE ML5720/ML5721: Line Feeds are at 1/144 in. ML5790/ML5791: Line Feeds are at 1/180 in. Release the buttons after the tear-off perforations have been aligned with the paper cutter.
  • Page 27: Removing Continuous Forms

    EMOVING CONTINUOUS FORMS Tear off the continuous forms. See “Tearing off continuous forms” on page 26. Press the LOAD/EJECT button to move the front edge of the continuous forms backwards to the Pin Tractors. NOTE > The printer switches to off line mode. >...
  • Page 28: Loading Cut Sheet Paper

    OADING CUT SHEET PAPER Ensure that the printer is turned ON. NOTE If there are any continuous forms in the printer, eject them as described in “Removing continuous forms” on page Ensure that the Pin Tractor covers (1) are closed to avoid the possibility of paper jams.
  • Page 29 Set the left margin of the paper by adjusting the Paper Guide (1) along the scale (2) relative to the start of printed line marker arrow. Top Feed Front Feed Open the Top Cover and Adjust the Paper Thickness Lever to suit the paper. “Setting the Paper Thickness lever”...
  • Page 30: Ejecting Cut Sheet Paper

    JECTING CUT SHEET PAPER When the printer reaches the end of the cut sheet page it automatically ejects the page. If required, add another sheet for the printer to continue printing from where it left off. To eject a cut sheet left in the printer, carry out the following: Press the SEL button to put the printer off-line.
  • Page 31: Loading The Optional Cut-Sheet Feeder

    OADING THE OPTIONAL CUT SHEET FEEDER NOTE For installation instructions, see “Installing the Cut-sheet feeder” on page 1. Paper Set Lever 2. Right Paper Guide 3. Front Sheet Support 4. Rear Sheet support 5. Left Paper Guide 6. Locking Lever Ensure the Paper Type Lever is set to Cut Sheet.
  • Page 32: Loading The Optional Roll Paper Stand (Ml5720/Ml5790)

    Push both paper guide locking levers (6) upward into the locked position. Push the paper set lever gently backward into the SET position. CAUTION! Ensure that the paper set lever is closed (towards the SET position) before printing with the CSF. If it is left open, the friction rollers will not be able to feed the paper, and the printer will print on the platen and may damage the printhead and platen.
  • Page 33: Setting The Paper Thickness Lever

    Feed the paper over the roller on the stand. Set the paper onto the platen from the top of the tension bar. Rotate the platen knob until the top edge of the paper reaches the roll paper, and then set the Paper Type Lever to PULL to easily adjust the paper position. Align the paper so that the exit and entry paper edges align.
  • Page 34 LEVER POSITION PAPER TYPE REMARKS Carbon paper or See below Pressure- sensitive paper (40 gsm) 2 part 3 part 4 part 5 part 6 part 7 part Set the Paper Thickness lever for overall paper thickness as follows: OVERALL PAPER THICKNESS LEVER POSITION 0.06 - 0.10 mm 0.11 - 0.15 mm...
  • Page 35 NOTE > When using 3-inch wide media, change the Centering Position in the Menu Settings to Mode 1. If the Centering Position is not set to 1, it will result in Paper Jam. > When loading envelopes, set the head gap based on the thickness of the overlapped and glued areas of the envelope and not the thin area.
  • Page 36: Operating Instructions

    PERATOR PANEL The status/alarm indicators and button switches on the operator panel allow you to check printer status and control the printer. You can also use OKI DIPUS utilities to check printer status and control the printer from your computer, see “OKI DIPUS”...
  • Page 37: Indicators

    When flashing together with TEAR indicator, indicates High temperature alarm status. TEAR Green Menu mode. Tear down position. FLASHING Tear up position. ML5720/ML5721 PRINT QUALITY Green Without ALARM indicator flashing: > LED 3 > Indicates SSD is selected. >...
  • Page 38 INDICATORS COLOUR STATUS MEANING CHR.PITCH Green With TEAR indicator ON: LED 1 Printer is in MENU setting mode. With Alarm indicator flashing: > LED 2 > Indicates paper loading jam. > LED 1 > Indicates paper park/eject jam. > LED 1 and 2 >...
  • Page 39: Button Functions

    On-line Ineffective. Off-line Selects MENU configuration. LF/FF + LOAD/EJECT On-line/Off-line Ineffective. LOAD/EJECT + SEL On-line/Off-line ML5720/ML5721 Performs microfeed (forward) 1/144 inch when paper is loaded. ML5790/ML5791 Performs microfeed (forward) 1/180 inch when paper is loaded. LOAD/EJECT + LF/FF On-line/Off-line ML5720/ML5721 Performs microfeed (reverse) 1/144 inch when paper is loaded.
  • Page 40: Setting Menu Values

    SWITCH STATUS FUNCTION TEAR + LF/FF On-line/Off-line ML5720/ML5721 Performs microfeed (reverse) 1/144 inch when paper is in tear off position. ML5790/ML5791 Performs microfeed (reverse) 1/180 inch when paper is in tear off position. PRINT QUALITY + SEL On-line/Off-line ML5720/ML5721 Performs microfeed (reverse) 1/144 inch when paper is in Top of Form position.
  • Page 41: Menu Setting

    ENU SETTING NOTE Before changing menu settings, you may wish to print the current menu settings as in “Confirming current settings” on page Ensure that the printer is turned ON. Place the cut sheet on the Paper Tray, the paper is gripped by the printer. Press and hold down the CHR PITCH button and then the PRINT SPEED button to enter menu mode, Menu PRINT? is printed.
  • Page 42: Menu Items And Settings

    ENU ITEMS AND SETTINGS In the menu settings tables below, factory default settings are shown in bold. GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Printer Emulation Mode Select emulation mode. IBM PPR, EPSON FX, EPSON LQ, IBM PPR, Control IBM AGM...
  • Page 43 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Symbol Character Set Select character code Set I Set I Sets table. Set II Set II Standard (ML mode only) Line Graphics (ML mode only) Block Graphics (ML mode only) ASCII ASCII Language Set Select a language character set.
  • Page 44 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Symbol Code Page Select a code page. Sets cont. Canada French Canada French Multilingual Multilingual Portugal Portugal Norway Norway Turkey Turkey Greek_437 Greek_437 Greek_869 Greek_869 Greek_928 Greek_928 Greek_437 CYPRUS Greek_437 CYPRUS Polska Mazovia Polska Mazovia...
  • Page 45 Page Width Change to 8” to print on 345.44 mm (13.6”) (Displayed only for narrow paper. 203.2 mm (8”) ML5721 and ML5791) Page Length Select the length of a 279.4 mm (11”) continuous form. 296.3 mm (11 2/3”) 304.8 mm (12”)
  • Page 46 Select to limit printhead Default travel when printing Mode1 narrow columns. Mode2 Select Mode1 for ML5720 and ML5790. Select Mode 1 or Mode 2 for ML5721. Front Line Spacing Select line feed pitch. 6 LPI Feed 8LPI (Push) Manual Form Tear-Off When printer is i d le (0.5,...
  • Page 47 Adjust the line feed amount. Centering Position Select to limit printhead Default travel when printing Mode 1 narrow columns. Mode 2 Select Mode1 for ML5720 and ML5790. Select Mode 1 or Mode 2 for ML5721 and ML5791. Operating instructions > 47...
  • Page 48 Mode 1 narrow columns. Mode 2 Select Mode1 for ML5720/ML5790. Select Mode 1 or Mode 2 for ML5721/ML5791. 6 LPI Cut Sheet Line Spacing Select line feed pitch. 8 LPI Form Tear-Off When printer is idle (0.5,...
  • Page 49 +1 ~ +30 TOF position of cut sheet paper. The position moves to the rear of the form by (+) and to the top of the form by (-) in /1/144” (ML5720/ML5721) and 1/180” (ML5790/ ML5791) increments. Operating instructions > 49...
  • Page 50 Default travel when printing Mode 1 narrow columns. Mode 2 Select Mode1 for ML5720. Select Mode 1 or Mode 2 for ML5721. Cut Sheet Line Spacing Select line feed pitch. 6 LPI Front 8 LPI Page width Change to 8” to print on 345.44 mm (13.6”)
  • Page 51 Select to limit printhead Default travel when printing Mode 1 narrow columns. Mode 2 Select Mode1 for ML5720/ML5790. Select Mode 1 or Mode 2 for ML5721/ML5791. Set-up Graphics Select the printing Uni-directional Bi-directional direction when double- height print data exists in a line.
  • Page 52 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Set-up Paper End Select whether to detect cont. Detection paper end or not. Change to OFF to override the sensor and print closer to the bottom of the page. Print Registration Adjust the print starting...
  • Page 53 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Set-up Print DEL Code Change the setting to cont. (Displayed only for Yes to print the DEL code ML Emulation) (decimal 27) as a solid box. SI Select Pitch (10 Select how to handle an 17.1 CPI...
  • Page 54 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Set-up Print Direction at Select the print direction Uni-directional cont. DH Mode at the double height Bi-directional printed. Sleep Time Set idle time to enter 5 min sleep mode. 10 min 15 min 30 min...
  • Page 55 GROUP ITEM FUNCTION SETS ML5720/ML5721 ML5790/ML5791 Serial I/F Diagnostic Test Select to perform input/ cont. output diagnosis of (Displ- RS-232C interface ayed signals. when Busy Line Select to set the Busy SSD- connec- Line. SSD+ ted to Serial Interface) Baud Rate...
  • Page 56 Select to limit printhead Default travel when printing Mode 1 narrow columns. Mode 2 Select Mode1 for ML5720. Select Mode 1 or Mode 2 for ML5721. Extension Detect Sprocket Select Enable when Enable Hole loading continuous form Disable to detect sprocket hole, and avoid printing on the hole.
  • Page 57: Initialising Menu Settings

    NOTE TOF default is set at 23.28 mm (11/12 in). Align the paper with the first print line position as follows: ML5720/ML5721: > To feed the paper forward by a small amount (1/144 in), press the LOAD/EJECT and SEL buttons together.
  • Page 58 NOTE > Press the TEAR button to move the continuous form down before adjusting the TOF. ± > For ML5720/ML5721: the specified correction range is 20/144 in ± > For ML5790/ML5791: the specified correction range is 30/180 in. When the paper is positioned at the required TOF, release the buttons in Step 6 above.
  • Page 59: Troubleshooting

    ROUBLESHOOTING LEARING PAPER JAMS UT SHEET PAPER JAMMED IN PRINTER WARNING! Do not carry out any operations inside the printer with the Power Switch set to ON. Set the Power Switch to OFF. Open the Top Cover. Set the Paper Thickness lever to position 10. WARNING! The Print Head may be hot after printing.
  • Page 60: Continuous Forms Jammed In Printer

    Rotate the platen knob in the relevant direction and pull the cut sheet out from the top of the printer. If a paper fragment remains inside the printer: use tweezers to grip and extract it or insert a triple folded shee t from the P aper Tray and turn the platen knob to pass the folded sheet through and push out the paper fragment.
  • Page 61 Remove the top Paper Tray by holding the tray by the tabs on both sides and pulling it up from the printer. Raise each Pin Tractor cover and remove the continuous forms from the Pin Tractors. Rotate the platen knob and remove the forms from the front of the printer. If a form fragment remains inside the printer, place two or three forms in a stack on the Pin Tractors and turn the platen knob to push the fragment out of the printer.
  • Page 62: Responding To Alarm Conditions

    Set the Power Switch to ON. NOTE Use the above procedure to clear paper jam when using continuous form- front push. ESPONDING TO ALARM CONDITIONS Use the following table for guidance on how to respond to indicated alarm conditions. INDICATOR ALARM MEANINGS AND ACTIONS ALARM Paper has run out.
  • Page 63 PROBLEM CAUSE ACTION Print position offset The horizontal printing The start position may When the printer is powered position is offset. change after the printer is ON, switch from off -line mode powered on. to on-line mode by pressing the SEL button. Reset the start position.
  • Page 64 PROBLEM CAUSE ACTION Too high or too low TOF The TOF is not correctly Initialise the printer. (where printing starts). selected. Select correct TOF for cut sheet and continuous forms. Select the first-line print position and adjust the paper top position. Reselect the margin correctly in the application.
  • Page 65 PROBLEM CAUSE ACTION Improper cut sheet feed No paper feed. Sheets are located off the Load sheets with their left paper guide. edges against the paper guide. Sheets are not loaded to the Load sheets to the end. end. Continuous forms instead of The printer is in the Eject the continuous forms cut sheets are fed.
  • Page 66 PROBLEM CAUSE ACTION Paper feed operations for The cut sheet is not ejected. Eject the cut sheet. both cut sheets and continuous forms are actuated. Troubleshooting > 66...
  • Page 67: Cleaning Your Printer

    LEANING YOUR PRINTER To keep your printer in good operating condition, you are advised to clean it regularly. WARNING! Set the printer Power Switch to OFF and disconnect the power cable from the printer before cleaning the printer. RINTER EXTERIOR CAUTION! Keep the Top Cover closed to avoid the possibility of detergent entering the printer...
  • Page 68: Consumables And Accessories

    ONSUMABLES AND ACCESSORIES ONSUMABLES When the printed image becomes faint or incomplete, replace the ribbon cartridge. HANGING A RIBBON CARTRIDGE CAUTION! Only use genuine Original consumables to ensure the best quality and performance from your hardware. Non Original products may damage your printer’s performance and invalidate your warranty.
  • Page 69 Holding the sides of the ribbon guide, slope it up and out to remove it from the carriage. Holding the ribbon cartridge close to both ends, slope it up and out until it unlocks then remove it along the direction indicated by the arrows. Dispose of the cartridge in accordance with your local guidelines.
  • Page 70 Remove the new ribbon cartridge from its wrapping and note the position of the Ribbon Guide (1), Knob (2) and Pin (3). In the direction indicated by the arrows, insert the pins at both ends of the ribbon cartridge (1) into the U grooves (2) in the printer until the ribbon cartridge is fully locked.
  • Page 71 Holding the sides of the ribbon guide slope it downward until the ribbon guide comes in line with the slot of the print head. NOTE Ensure that the guide is pushed to the end of the print head. Move the print head horizontally to ensure that the ribbon is properly installed. Turn the knob (1) clockwise (in the direction of the arrow) to wind up the ribbon.
  • Page 72: Consumable Order Information

    Paper Thickness lever” on page 33.) Close the Top Cover. Set the printer Power Switch to ON. ONSUMABLE ORDER INFORMATION ITEM MODEL LIFE ORDER NO. Ribbon cartridge (Black) ML5720/ML5790 8 million characters 44173405 ML5721/ML5791 13 million characters 44173406 Consumables and accessories > 72...
  • Page 73: Installing Options

    NSTALLING PTIONS NSTALLING THE SHEET FEEDER To install the optional cut-sheet feeder (CSF) carry out for the following: Ensure that the printer is turned OFF. Ensure that the Paper Type Lever is set to Cut-Sheet. REAR FRONT PULL Open the top access cover, adjust the Paper Thickness Lever to suit the paper. See “Setting the Paper Thickness lever”...
  • Page 74 Remove the Pull-up Guide assembly (1) by disengaging the latches (2) on both sides, pulling it forwards (3) and then pulling it up (4). Guide the edge of Cut-sheet feeder on both sides onto the platen and then press down to lock it in place. Plug in the CSF connector into the CSF port in the rear of printer.
  • Page 75: Installing The Roll Paper Stand (Ml5720/Ml5790)

    Set the printer Power switch to ON. NOTE The Guide Assembly packed with CSF cannot be used on ML5720/ML5721. (ML5720/ML5790) NSTALLING THE OLL PAPER STAND To install the optional Roll Paper Stand (RPS), carry out the following: Ensure that the printer is turned OFF.
  • Page 76 Remove the top tray by holding the tray by the tabs on both sides and pulling it up from the printer. Install the separator (1). Insert the RPS (2) into the separators insertion slots (3) and push it backward (4). Plug in the RPS connector into the port in the rear of the printer.
  • Page 77: Installing The Network And Serial Interface Card

    To install any of the above options, follow the detailed installation sheet that accompanies the option. PTION ORDER NUMBERS OPTION MODEL ORDER NUMBER Pull Tractor ML5720/ML5790 44753902 ML5721/ML5791 44754002 Cut-sheet Feeder Single Bin ML5720/ML5790 44497402 ML5721/ML5791 44497502 Roll Paper Stand ML5720/ML5790...
  • Page 78: Specifications

    When the printer is stored, it should be in its original packaging, with no moisture formation. Noise level The acoustic noise of this product is less than 57dB (A) (ML5720/ML5721) and 57dB (A) (ML5790/ML5791) as measured in accordance with EN ISO 7779. Specifications > 78...
  • Page 79: Index

    NDEX loading the roll paper stand roll paper stand ....31 alarm indications ....62 aligning perforations ..... 26 paper jams continuous forms ....60 changing paper paths cut sheet ......59 continuous forms to cut sheet printer location ......11 cut sheet to continuous forms parts ........
  • Page 80: Contact Us

    Slovenská www.oki.com/sk Magyarország www.oki.com/hu Россия www.oki.com/ru Україна www.oki.com/ua Türkiye'ye www.oki.com/tr Serbia www.oki.com/rs Croatia www.oki.com/hr Greece www.oki.com/gr Romania www.oki.com/ro OKI Europe www.oki.com/eu Singapore www.oki.com/sg/ Malaysia www.oki.com/my/ www.oki.com/th/printing/ ประเทศไทย Australia www.oki.com/au/ New Zealand www.oki.com/nz/ United States www.oki.com/us/ Canada www.oki.com/ca/ Brasil www.oki.com/br/printing México www.oki.com/mx/...
  • Page 81 45691702EE Rev2...

Table of Contents