Sindoh M403 - Manual (Page 190)

Maintenance and Troubleshooting
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18
Printer Area Cleaning
For following cases, clean the roller in the printer area.
Frequent paper jam: Low print quality (Clean the scanner too.)
Dip the soft cloth into water, wring it out completely, and then clean the surface.
And the clean the surface with the clean dry cloth.
Spin the roller, and clean it downward.
Caution
- The fusing unit and its surrounding areas are very hot while the device is operating.
Do not touch the fusing unit and its surrounding areas. It may cause burns.
Important
- Do not expose the drum cartridge to the sunray more than five minutes.
- Do not touch the drum. It may cause print errors.