Sensitivity Adjustment Of Registration-Mark Sensor (Function Code 75) - Brother DCP-9040CN Service Manual

1.4.21 Sensitivity Adjustment of Registration-mark Sensor (Function code 75)

<Function>
This function makes the registration-mark sensor to adjust its sensitivity compulsory. This
function makes the machine to check the surface of the belt unit by using the registration-mark
sensor as well.
LCD
REGI_SENS ADJUST
1
BELT OFF
REGI_SENS ADJUST
2
BELT ON
REGI_SENS ADJUST
3
BELT CHECK
<Operating Procedure>
(1) Press the 7 and 5 buttons in this order in the initial stage of the maintenance mode.
"REGI SENS ADJUST" appears on the LCD.
(2) Press the
(3) Press the OK button so that the selected operation is carried out.
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
the way to solve it.
(4) Upon completion of the above operation, the machine beeps for one second and returns
to the initial stage of the maintenance mode.
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.
Adjust the sensitivity of the registration-mark sensor when the
belt unit is operated. (This adjustment is the same as the
operation before the color registration.)
Check whether there is no scratch on the surface of the belt
unit within the detectable range of registration-mark sensor.
or button to select the appropriate term.
Description
next page to check the error description and
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