Microline 395C - Printer OKI - Free user manual and instructions
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| Product Type | 24-pin dot matrix printer |
| Brand | OKI |
| Model | Microline 395C |
| Print Technology | Impact dot matrix |
| Print Head | 24-pin |
| Print Speed (Max) | 420 characters per second at 12 cpi |
| Resolution | Up to 360 x 360 dpi |
| Paper Handling | Continuous paper, single sheets, envelopes |
| Paper Width | Up to 16 inches (406 mm) |
| Interface | Parallel, Serial RS-232C |
| Dimensions (W x D x H) | Approximately 620 x 370 x 180 mm |
| Weight | Approximately 16 kg |
| Power Supply | AC 220-240V, 50/60 Hz |
| Power Consumption | Approximately 100 W during operation |
| Main Functions | High-speed printing, low noise, multi-part forms handling |
| Maintenance and Cleaning | Clean print head and platen with isopropyl alcohol; remove paper dust |
| Safety | Do not open covers while printing; keep hands clear of moving parts |
| Spare Parts and Repairability | Replaceable print head, ribbon cassette, and feed rollers; service manuals available |
| General Information | Heavy-duty printer designed for industrial and office use |
Frequently Asked Questions - Microline 395C OKI
How do I install the ribbon cassette?
To install the ribbon cassette, first switch off the printer and remove the ribbon cover. Turn the ribbon feed knob to tighten the ribbon, then insert the cassette with the ribbon placed in front of the print head. Press down until it clicks into place. Finally, replace the cover and test the printer.
What types of paper can this printer handle?
The OKI Microline 395C supports continuous paper with sprocket traction, single sheets, and envelopes. It can handle multi-part forms (up to 5 copies) and paper widths up to 16 inches. Use the appropriate paper path manually.
How do I clean the print head?
Turn off the printer and let the print head cool. Gently clean the print head surface and the platen with a lint-free cloth slightly moistened with isopropyl alcohol. Remove any accumulated ink and paper dust. Do not use sharp tools; they can damage the pins. Clean regularly to maintain print quality.
Why is my printer not printing or printing faintly?
Faint print is often caused by a worn or incorrectly installed ribbon cassette. Check the ribbon advance mechanism and replace the ribbon if needed. If some columns are missing, the print head pins may be clogged. Clean the print head as described above. Also verify that the ribbon feed knob rotates when printing.
How can I set the printing density?
The print density can be adjusted using the panel switches on the printer or through software commands. Refer to the manual for the exact combination. Typically you toggle the Tear Off or Park button while powering on to enter the setup mode and select draft or letter quality.
What does the beep or indicator light mean?
The printer has power, online, and alarm indicators. A beep accompanied by the alarm indicator flashing usually signals a paper out or cover open condition. Check paper feed path and the top cover. Press the Online button to resume if the printer is offline.
Can I connect this printer to my computer via USB?
The standard interface is Centronics parallel and RS-232C serial. It does not have native USB support. You can use a parallel-to-USB adapter, but compatibility may vary. Older operating systems like Windows 2000/XP may support the drivers; newer systems may need legacy or generic drivers.
How do I perform a self-test?
With the printer powered off, hold the Line Feed button and turn on the power. The printer will print a self-test pattern showing the font, underline, and other features. To stop, switch off the printer. This helps verify the print mechanics and ribbon installation.
Is the OKI Microline 395C compatible with modern operating systems?
This printer is designed for DOS and early Windows environments. For modern Windows systems, you can try installing an Epson LQ-850 driver as a substitute, as it supports ESC/P commands. Linux/Unix systems may recognize it via parallel or serial ports. For daily use, consider a dedicated printer gateway.
Where can I find replacement parts or ribbons?
Genuine Oki ribbon cartridges (model 40225202 or similar) are available from office supply stores and online marketplaces. Print heads and rollers can be found from printer repair specialists. Many third-party compatible parts are also available at lower cost. Check the manual for the exact part numbers.
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USER MANUAL Microline 395C OKI
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Product information
Brand : OKI
Model : Microline 395C
Category : Printer