Samsung SL-X7400GX Manual De Usuario

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10. Troubleshooting
Replacing the toner cartridge
X740x/X750x/X760x series uses four colors and has a different toner 
cartridge for each one: yellow(Y), magenta(M), cyan(C), and black(K).
K740x/K750x/K760x series uses one color and has a toner cartridge for 
black(K).
When the toner cartridge is totally empty
The status LED turns red on and the display screen shows the error message 
of replacing toner. 
The machine stops printing and incoming faxes are saved in memory. 
However, when the color toner cartridges are empty, but there is toner left 
in the black toner cartridge, you can still print black-and-white print jobs 
(the submitted job must be in black and white).
Check the type of the toner cartridge for your machine (see "Supplies and 
At this stage, the toner cartridge needs to be replaced.
Replacing the toner cartridge
1
Open the front door.
X740x / X750x / X760x series
K740x / K750x / K760x series