Isu
The following are probable causes when the message <1H CHK TNR CONN.> appears in the display on the control panel. Follow the described instructions.
Sebab dan Solusi
Cause:
There is a possibility that the toner cartridge is not installed properly.
Remedy 1:
Press [Online]. Although you can continue to print for a while, have ready a new toner cartridge. Replace the toner cartridge of the indicated color with a new one before printing a large amount of data. After replacing the toner cartridge, reset the counter of the color of the replaced toner cartridge.
Remedy 2:
If <1H CHK TNR CONN.> appears and there is a problem with the print quality even after applying the Remedy 1, remove the toner cartridge and replace it with a new one.
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