Sharp MXM3570

This adjustment must be performed in the following cases
* When developer is replaced

Important
Be sure to execute this adjustment only when developer is replaced. Never execute it in the other cases

Important
Perform the toner density reference control level adjustment with the toner cartridge removed.

If adjustment is performed with toner cartridge installed, the EE-EL trouble code or over toner condition may occur.

1. Remove toner cartridge
2. With the front cover opened, execute Sim 25-2
3. Close the front cover
4. When [EXECUTE] key is tapped, it is highlighted. The DV roller rotates and the toner density sensor detects toner density and the output value is displayed.
   The above operation is executed for 1 minute and the average value of the toner density sensor detection level is set.(save) as the reference toner density control value. When the reference toner density control adjustment operation is completed [EXECUTE] key returns to normal from highlight. This makes known about wthether the adjustment operation is completed or not. The above operation is executed each of the lower speed mode and the middle speed mode and the reference toner density control value is set for each of them.
   Important
   If the operation is interrupted within 1 minute the adjustment result is not reflected. When [EXECUTE] key is tapped during the operation, the operation is stopped and [EXECUTE] key returns to the normal display. If [EE-EU] [EE-EL] or [EE-EC] is displayed, setting of the reference toner density control value is not completed normally. Troubleshoot the cause, remove the cause and perform setting again

   Error display	Error name	Details of error
   EE-EL	EL abnormality	Sensor output level less than 77 or control voltage over 207
   EE-EU	EU abnormality	Sensor output level over 177 or control voltage less than 52
   EE-EC	EC abnormality	Sensor output level other than 128±10

5. Cancel Sim25-2
6. Open the front cover and insert toner cartridge
   Important
   Do not forcibly insert the toner cartridge. Push it in until toner cartridge is securely locked in place
7. Close the front cover
8. Confirm that “Toner replacement in progress“ is displayed and wait until display disappears (it takes 30 sec – 6 minutes)