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Users Guide - Page 2
...User's Guide 2 Trademark Information
OKI and MICROLINE are either registered trademarks or trademarks of Microsoft Corporation in the United States and other companies does not necessarily constitute endorsement by Oki Data.
Oki Data ... referred to -date. Copyright 2010 by Oki Data. ENERGY STAR ®
As an ENERGY STAR Partner, Oki Data has determined that this product meets the ENERGY ...
Users Guide - Page 3
Chapter 1: Introduction 5 Printer Features 5
Oki Data on the Internet 5 Parts Identification: Front View 6 Parts Identification: Rear View 7 Parts Identification: Inside View 7 The Control ... Problems with Software Packages 30 Changing the Forms Tear-Off Setting 31 Manual Forms Tear Off 31 Paper Park 32 Setting the Paper Thickness Lever 32
Paper Type Table 33
Chapter 3: Print Settings ...
Users Guide - Page 4
... Maintenance 69 Replacing the Ribbon ...Troubleshooting 80 General Information 80 Responding to Alarm Conditions 81 Problems / Solutions 82
Appendix A: Parts & Accessories 88 Purchasing Parts & Accessories 88 Consumables 89 Accessories 89
Appendix B: Printer Control Codes 90 IBM Proprinter III Commands 90 Epson FX Commands 93 Oki MICROLINE Standard Commands 95
Appendix C: Specifications...
Users Guide - Page 25
...: Test seal-type cards thoroughly before using .
Failure to change the Centering position (see the Menu Settings Table in Chapter 3) to "Mode1". To eject a cut sheet page it left in the printer,...the thickness of the overlapped and glue parts of labels can absorb marks from the paper feed roller or from the top -
ML620/ML621 User's Guide 25 Notes on Different Types of the...
Users Guide - Page 30
...manually (see next page).
Note: You can be used for rear feed continuous forms, bottom feed continuous forms (with the optional push tractor installed... use Forms Tear‑Off, you set to be activated. The Forms Tear-...position (TOF) and printing begins. Potential Problems with the tear bar (located under the ...next page). ML620/ML621 User's Guide 30 When printing stops, Forms Tear...
Users Guide - Page 46
.... Manual, 0.5 sec, 1 sec, 2 sec
Specify whether to its own page formatting controls, leave the default setting. To set in bold italic)
Specify manual form paper advancement or select a time; MENU SETTINGS TABLE...the bottom of the page, change the setting.
No, 25.4 mm (1")
Change to 8" to print on narrow paper.
13.6", 8"
ML620/ML621 User's Guide 46 If your software has its original ...
Users Guide - Page 48
...SETTINGS TABLE
Group
Item
Rear Feed (Push)
Continuous Paper Top of Form -2, -1, 0, +1, +2
Default, Mode1, Mode2
6 LPI, 8 LPI
Manual, 0.5 sec, 1 sec, 2 sec
ML620/ML621 User's Guide 48 Specify manual.... For continuous feed, adjusts the line feed to limit printhead travel when printing narrow columns. Settings (defaults are set in bold italic) 1/12" (2.12 mm), 2/12" (4.23 mm), 3/12" (6.35...
Users Guide - Page 52
...Sheet Top Feed
Line Spacing
Form Tear-Off 5, 6 (Displayed when connected to its original printing position. Settings (defaults are set in bold italic) 3" (76.2 mm), 3.25" (82.6 mm), 3.33" (84.7 mm....8 mm) -2, -1, 0, +1, +2
Default, Mode1, Mode2
6 LPI, 8 LPI
Manual, 0.5 sec, 1 sec, 2 sec
ML620/ML621 User's Guide 52 When data is received, paper is advanced from the current print position to get ...
Users Guide - Page 59
...Print DEL Code 7 (only displayed for ML Emulation)
Set whether to enable or disable a No, Yes print suppress setup command. If your printout is received at the end of a line, change the setting to ... set to Yes. Limited operation locks functions on the control panel; No, Yes
To print the DEL code (decimal 27) No, Yes as a solid box, set to Yes.
ML620/ML621 User's Guide...
Users Guide - Page 77
...Guide 77 Otherwise, printing on . . The printer prints a page of the printout shows the Printer Model, Emulation (Microline, Epson, IBM compatible), Firmware (F/W) Revision Level, Flash Loader (LD) Revision Level, and Part...Menu Mode for more information. Turn off the printer. . Make sure paper is set to the printer. Testing the Printer
Font Sample Test Rolling ASCII...
Users Guide - Page 78
...set to end the test. The Rolling ASCII Print Test produces a continuous printout of the printout shows the Printer Model, Emulation (Microline, Epson, IBM compatible), Firmware (F/W) Revision Level, Flash Loader (LD) Revision Level, and Part...printer back on the platen may damage the printer. ML620/ML621 User's Guide 78
See Chapter 4: Menu Mode for more information. Rolling ASCII Test...
Users Guide - Page 82
... that the power cable is disconnected. The printer driver is unlit. Load paper Reconnect the interface cable. Power outlet problem or power outage.
The printer has just stopped printing. Wrong interface cable attached.
The start position may change the start position. Install the ribbon cartridge. Problems / Solutions
Use the following table to check if...
Users Guide - Page 83
... sufficiently. Broken wire pins.
Correct the Paper Thickness lever setting. Reinstall the ribbon cartridge correctly.
Replace the ribbon cartridge with a new one . The ribbon is contamination on the paper. The application control codes for the user's application. ML620/ML621 User's Guide 83
Incorrect print setup for the previous print operation are too pale to normal...
Users Guide - Page 85
... for the printer. Adjust the Print Registration. ML620/ML621 User's Guide 85 PROBLEM
CAUSE
The content of cut sheets are used, several blank lines appear...-off perforation spacing. Split print
Blanks or deformed characters A paper feed error due to the end. or other defects.
The printer is in the...set correctly. Load sheets to eject.
Change paper. Press the LOAD/EJECT key.
Users Guide - Page 88
... Oki Data Reseller by visiting one of the item. Appendix A: Parts & Accessories
Purchasing Parts & Accessories
Before you to register your product and personalize your printer model number (see the front of the unit) and have the correct part number and description of our web sites
http://my.okidata.com (allows you purchase, know your own support...
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