Sindoh M403 - Manual (Page 222)

Maintenance and Troubleshooting
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50
Trouble 10: Too thick print.
Troubleshooting : 1) Set correct toner density from the print setting or
driver.
2) Check if paper is wet.
3) Do not use rough paper.
4) Check if the media type in the print setting
matches the paper in the tray.
5) Check if the paper type in the control panel
matches paper in the tray.
6) The toner cartridge may have a problem.
Replace the toner cartridge.
Trouble 11: The device outputs blank paper.
Troubleshooting : 1) The toner is low. Replace the new toner cartridge.
2) Software may have a problem.
Switch off and on the device.
3) Check if the cartridge is unpacked.
4) Check if the cartridge is installed correctly.
5) If the problem persists after above steps are
taken, contact the customer support.
Trouble 12: All or part of paper is printed in black.
Troubleshooting : Check if the cartridge is installed properly.
Open the front cover and reset the cartridge.