Sindoh M403 - Manual (Page 182)

Maintenance and Troubleshooting
5-
10
1
Switch off the device.
2
Press the unlock button (①) on the left side of the device to open the front cover (②).
3 Hold the handle (③) to pull out the cartridge. (Be sure to have your palm facing upward.)
4
Place the cartridge on the level and clean surface.
5
Press the toner cartridge removal button (①), and then hold the handle of the toner cartridge
(②) to pull out the toner cartridge.
Toner Cartridge
Drum Cartridge
Toner Cartridge Removal Button