Sindoh M403 - Manual (Page 184)

Maintenance and Troubleshooting
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12
9
Reset the drum cartridge counter.
For more information, see the guide accompanying the new drum cartridge.
Warning
- If you reset the drum cartridge counter without replacing the drum cartridge, the device may
be damaged and contaminated, which is not covered by the warranty.
10
Close the front cover.
Caution
- Check if the MPT is closed when closing the front cover. If the front cover is closed with
the MPT open, it may cause malfunction.