What if content of a single form is printed on two forms when using continuous forms on my Oki Printer?
If, when using continuous forms, the content of a single form is printed on two forms, the paper length selected in the application does not match the physical paper length. Match the paper length selected in the application with the physical paper length in use.
What to do if my Oki ML620 has no power?
If your Oki Printer has no power, check these possible causes: * Ensure the power cable is properly connected to both the power outlet and the printer. * Test the power outlet by plugging in another appliance to see if it works. There may be a power outage or an issue with the outlet itself.
What to do if the printhead is moving but no printing takes place on my Oki ML620 Printer?
If the printhead on your Oki Printer is moving but no printing occurs, the ribbon cartridge may not be installed. Install the ribbon cartridge.
Why is my Oki Printer printing slowly?
Your Oki Printer might be printing slowly because the printhead is overheating. When this happens, the printer automatically starts unidirectional split printing. The printer will return to its original operation when the printhead temperature drops sufficiently.
What to do if the SEL indicator is illuminated but no printing takes place on my Oki ML620 Printer?
If the SEL indicator is lit but your Oki Printer isn't printing, it could be due to: * A disconnected interface cable. Reconnect it. * Using the wrong interface cable. Ensure you are using the correct one.
Why is the horizontal printing position offset on my Oki Printer?
The horizontal printing position may be offset on your Oki Printer because the start position can change after the printer is powered on. When the printer is powered ON, switch from off-line mode to on-line mode by pressing the SEL key to reset the start position. Remember to set the Power Switch to OFF before you change the start position.
What to do if there is no paper feed on my Oki ML620?
If there is no paper feed, sheets may be located off the paper guide. Load sheets with their left edges against the paper guide.
What if content of a single sheet is printed on two sheets when using cut sheets on my Oki Printer?
If, when using cut sheets, the content of a single sheet is printed on two sheets, the paper setting selected in the application does not match the physical paper size. Match the paper setting selected in the application with the physical paper in use.
How do I fix too large or small left and/or right margins on my Oki ML620?
If you have too large or small left and/or right margins, it could be that the left or right margin is not correctly selected. Select and adjust the position again depending on the paper type.
How to fix broken and uneven vertical lines on my Oki Printer?
Broken and uneven vertical lines may occur in bidirectional printing. Try adjusting the Print Registration on your Oki Printer.
General| Color | - |
|---|---|
| Maximum resolution | 288 x 72 DPI |
| Mean time between failures (MTBF) | 25000 h |
| Sound pressure level (printing) | 55 dB |
| Sound pressure level (quiet mode) | 52 dB |
| Standard interfaces | USB 2.0 |
| Windows operating systems supported | Windows 2000, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64 |
| AC input voltage | 120 V |
| Dimensions (WxDxH) | 438 x 375 x 191 mm |
Details the printer's reliability, paper handling, and print speed capabilities.
Step-by-step guide for loading continuous paper using rear, front, and bottom feeds.
Instructions for loading single sheets of paper using top and front feed paths.
Explains how to set and adjust the initial print starting position on the page.
Guide on adjusting the lever for optimal paper feeding based on thickness.
Explains how to select and change print quality modes like Draft, HSD, SSD, and NLQ.
Details how to adjust character pitch (CPI) and select proportional spacing.
Information on changing print speed settings to Normal, High Speed, Quiet, or High Copy.
Procedure for resetting the printer to clear errors or restore default states.
Step-by-step instructions for accessing and leaving the printer's configuration menu.
Procedure to restore all printer menu settings to their original factory default values.
Detailed, step-by-step instructions for installing a new ribbon cartridge.
Procedures for safely removing jammed paper from both continuous and cut sheet feeds.
Instructions for performing diagnostic print tests like Font Sample, Rolling ASCII, and Hexadecimal Dump.
Guidance on interpreting printer indicator lights and responding to alarm states.
A comprehensive table listing common printer issues, their causes, and recommended solutions.
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