Toshiba e-Studio 4508AG

When the developer material is replaced, adjust the auto-toner sensor in the following procedure.

1. Install the process unit into the equipment.
2. Performs FS-05-2400. The display changes as follows.
   
   
   Notes:
   • A indicates the controlled value of the auto-toner sensor output. Press the Up or Down button to change the value.
   • B indicates the output voltage of the auto-toner sensor (2.30 V in the above case). The drum, developer unit, etc. are in operation.
   • C indicates the latest adjustment value.
3. After about two minutes, the value B automatically starts changing.
   
4. After a short time, the value B becomes stable and the display changes as follows.
   
5. Check if the value B is within the range of 234 to 246 (the output voltage range of the auto-toner sensor is 2.34 V to 2.46 V).
6. If the value B is not within the range of 234 to 246, press the Up or Down button to adjust the value manually.
   Notes: The relation between the button and the values A and B is as follows.

   Button to be pressed	Value A	Value B
   Up	Increased	Increased
   Down	Decreased	Decreased

7. Press [OK].
8. Turn the power OFF.
9. Install the toner cartridge.