What to do if my Oki Printer is not printing?
If your Oki Printer isn't printing, it could be due to several reasons. First, the printer driver might not be installed correctly, so try reinstalling it. Alternatively, the printer might have simply stopped printing; in this case, press the SEL key. Finally, check if there is paper in the printer and load paper if necessary.
Why does print direction change suddenly to unidirectional on Oki ML690 Printer?
If the print direction on your Oki Printer suddenly changes to unidirectional, it's likely because the printhead is overheating. When this happens, the printer automatically starts unidirectional split printing. The printer will return to its original operation once the printhead temperature drops sufficiently.
What to do if SEL indicator is illuminated but no printing takes place on Oki ML690?
If the SEL indicator is lit but your Oki Printer isn't printing, the interface cable may be disconnected. Reconnect the interface cable. Also, ensure that you are using the correct interface cable.
Why is the printhead moving but no printing takes place on my Oki ML690?
If the printhead on your Oki Printer is moving but no printing is occurring, it's likely that the ribbon cartridge has not been installed. Install the ribbon cartridge to resolve this issue.
What to do if the print carriage does not operate on Oki Printer?
If the print carriage on your Oki Printer isn't operating, there might be contamination on the carriage shaft. Clean any paper dust and contamination from the carriage with a dry cloth.
Why are the characters too pale on my Oki ML690 printouts?
If the characters on your Oki Printer printouts are too pale, the Paper Thickness lever position might not match the paper you're using. Correct the Paper Thickness lever setting to match the paper.
What to do if Oki ML690 is set to print at high speed?
If your Oki Printer is set to print at high speed, set the speed to normal.
What to do if Oki ML690 ribbon has reached its end-of-life?
If the ribbon in your Oki Printer has reached its end-of-life, replace the ribbon with a new one.
What to do if the ribbon cartridge is not installed correctly in Oki ML690?
If the ribbon cartridge is not installed correctly in your Oki Printer, reinstall the ribbon cartridge correctly.
What to do if the ribbon has been wound incorrectly in Oki Printer?
If the ribbon has been wound incorrectly in your Oki Printer, replace the ribbon cartridge with a new one.
Details about the printer's capabilities, design, and performance specifications.
Instructions for feeding continuous paper into the printer via rear, front, or bottom.
Procedures for cleanly tearing off printed continuous forms along perforations.
Instructions for inserting single sheets of paper into the printer for printing.
Details on loading cut sheets using the top or front feed mechanisms.
Procedure for adjusting the starting print position on the paper using control panel keys.
Options for adjusting print density, speed, and typeface for output quality.
How to select character spacing (CPI) or proportional spacing for text layout.
Procedure to restore all printer menu settings to their original factory defaults.
Detailed instructions for installing a new ribbon cartridge into the printer.
Steps to resolve paper jams when using continuous feed paper from the printer.
Procedures for clearing paper jams when using single sheets of paper from the printer.
How to print a test page showing all available printer fonts and their characteristics.
Procedure to print a test page with all ASCII characters in a rolling pattern for character set verification.
How to enable a mode that prints received data in hex and ASCII formats for debugging.
Table explaining indicator light patterns and corresponding actions for printer alarm conditions.
A comprehensive guide to diagnosing and resolving common printing problems and their causes.
General| Printer Type | Dot Matrix Printer |
|---|---|
| Print Width | 136 columns |
| Number of Pins | 24 |
| Maximum Resolution | 360 x 360 dpi |
| Interface | Parallel |
| Emulation | IBM Proprinter |
| Paper Handling | Tractor feed |
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