7-46
Confidential
1.4.24 Sensitivity adjustment of registration mark sensor and check of belt
surface (Function code 75)
<Function>
This function makes the registration mark sensor to adjust its sensitivity compulsory. This
allows you to check if the registration mark sensor works properly. This function makes the
machine to check the surface of the belt unit by using the registration mark sensor as well.
<Operating procedure>
(1) Press the 7 and 5 buttons in this order in the initial state of the maintenance mode.
“REGI SENS ADJUST” is displayed on the LCD.
(2) Press the or button to select the appropriate item.
(3) Press the OK button to execute the selected item.
(4) When the operation is finished, the machine beeps for one second and returns to the
initial state of the maintenance mode.
LCD Description
REGI_SENS ADJUST
BELT OFF
Adjust the sensitivity of the registration mark sensor when the belt
unit is not operated. This is to check whether the registration
mark sensor’s operation is okay or not.
REGI_SENS ADJUST
BELT ON
Adjust the sensitivity of the registration mark sensor while the belt
unit is driving. (This is the same as the sensitivity adjustment
performed before adjustment of color registration.)
REGI_SENS ADJUST
BELT CHECK
Check that there are no scratches on the surface of the belt unit of
the registration mask sensor.
Note:
- If you press the OK button during the sensitivity adjustment or after the error message
appears on the LCD, the sensitivity adjustment is started again.
- In the case that the error occurs, refer to the next page to check the error description and
the way to solve it.
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