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Valerie ReynoldsSep 12, 2025
What to do if my SATO M84PRO displays 'RS232 overrun error'?
- JJasmine JamesSep 12, 2025
If your SATO Printer shows 'RS232 overrun error', verify the RS232 settings.

What to do if my SATO M84PRO displays 'RS232 overrun error'?
If your SATO Printer shows 'RS232 overrun error', verify the RS232 settings.
What to do if my SATO Printer displays 'RS232 framing error'?
If your SATO Printer indicates 'RS232 framing error', verify the RS232 settings.
What to do if my SATO M84PRO shows 'Buffer overflow'?
If your SATO Printer displays 'Buffer overflow', verify the RS232 settings.
| Print Speed | Up to 10 ips |
|---|---|
| Print Width | 4.1 inches |
| Print Method | Thermal Transfer / Direct Thermal |
| Print Resolution | 203 dpi |
| Max. Print Width | 104 mm |
| Interface | Serial, Parallel, USB, Ethernet (optional) |
| Supported Barcode Types | Code 39, Code 128, Interleaved 2 of 5, Codabar |
| Supported Media Types | Roll-fed, Die-cut, Continuous, Fan-fold |
| Media Thickness | 0.0025 to 0.01 inches |
| Power Supply | AC 100-240V, 50/60 Hz |
| Operating Temperature | 5°C to 40°C (41°F to 104°F) |
| Storage Temperature | -4°F to 140°F (-20°C to 60°C) |
| Storage Humidity | 10% to 90% non-condensing |
| Media Width | 25.4 mm (1") – 128 mm (5") |
| Ribbon Width | 25.4 mm (1") – 128 mm (5") |
| Operating Humidity | 25% to 85% RH, non-condensing |
Describes available printer interfaces (Parallel, Serial, USB, LAN) and their communication protocols.
Configures serial port parameters, baud rates, and protocols using DIP switches.
Manages memory cards, custom protocols, and performs factory resets and counter clearing.
Correlates LED indicators, messages, and beep codes with error conditions for diagnosis.
Detailed instructions for removing and replacing internal printer components like circuit boards, motors, and print heads.
Instructions for returning the printer to factory default settings and clearing operational counters.