Toshiba T3003C Toner Cartridge
How to reset the toner cartridge on a Toshiba 300D printer?:
1: Open the printer’s front cover.
2: Press the “OK” button for 3 seconds until “Replace Toner Cartridge” is displayed (Note: No need to select Yes/No; proceed directly to step 3).
3: Press the “Start” button.
4: Press the “+” or “-” button until “11” (or “00”) is displayed.
5: Press the “OK” button.
6: Close the front cover (Complete).
Toshiba T3003C Drum Unit
How to reset the drum unit on a Toshiba 300D printer?:
1. Open the printer’s front cover. (Display: “Cover is open, close front cover”).
2. Press the Clear/Back button. (Display: “Replace Drum Cartridge? Yes”).
3. Ignore the display and continue pressing the Start button.
4. Immediately press the Up button. (Display: “01”).
5. Press Confirm again. (“Accept” will be displayed, then “Cover is open, close front cover” will be displayed). If “cover is open” displayed, press the Back button. If there is no response, press the OK button for 5 seconds.
6. Close the front cover (the “Please wait” message appears)
7. Done in a few seconds!
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