SATO CX400 - Troubleshooting

SATO CX400 Service Manual PN 9001110A Page: 4-1
4
TROUBLESHOOTING
The CX400 label printer has integrated systems and performance monitors for instant status
output. The red error LED and the green power LED work in conjuction to provide all of the status
information required. The following table provides status identification.
Red and green blink together - Media index failure or media out.
• Ensure media is present, correctly loaded, and not jammed.
• Calibrate printer.
• Ensure the media sensor is functioning.
Red and green blinking alternately - Ribbon error.
• Ensure ribbon is present, correctly loaded, and not jammed.
• Calibrate printer.
• Ensure ribbon sensor is functioning.
Green constant and red blinking with long on and short off - Print head is open.
• Close print head.
Red and green blinking at 50% of normal intensity - RS232 error.
• Ensure computer and printer baud rates are comparable.
• Ensure computer and printer data bits are comparable.
• Ensure computer and printer parity bits are comparable.
Red and green lights are not illuminated - Power source is interupted.
• Ensure power switch is in On position.
• Ensure source power.
• Ensure power supply adaptor fuse is not blown.
• Test power switch.
• Inspect wiring harnesses and power supply adaptor.
• Substitute power supply adaptor.
• Replace circuit board.
Label will not feed.
• Ensure media is correctly loaded.
• Ensure the power is on, the error indicator is off, then press the feed button.
• Disconnect the communication cable and press the feed button. If the printer feeds with the cable
disconnected, there is either a defect in the host computer or its cable.