Brother HL-4040CN, HL-4050CDN, HL-4070CDW Service Manual page 292

< During the 1 or 3 adjustments >
Error Messages
REGI_SENS ADJUST
Write Err
REGI_SENS ADJUST
Belt Left Err
REGI_SENS ADJUST
Belt Right Err
< During the 2 adjustment >
LCD
REGI_L_SENS: XXX
REGI_R_SENS: OK
REGI_L_SENS: OK
REGI_R_SENS: XXX
REGI_L_SENS: XXX
REGI_R_SENS: XXX
* XXX describes the number of time (1~999) to detect the scratched on the surface of the belt
unit. If the number of time is more, the condition of the belt unit is worse.
Description
Failure in writing the electron
volume to NVRAM
The measured data is
abnormal when the sensitivity
of the left registration-mark
sensor is adjusted.
The measured data is
abnormal when the sensitivity
of the right registration-mark
sensor is adjusted.
Description
Check result of the surface of
the belt unit within the
detectable range of the left
registration-mark sensor.
Check result of the surface of
the belt unit within the
detectable range of the right
registration-mark sensor.
Check result of the surface of
the belt unit within the
detectable range of the left
and right registration-mark
sensors.
5-20
Solution
Replace the engine PCB ASSY.
Replace the belt unit.
If the belt unit is not replaced, set
the auto color registration OFF and
implement the manual color
registration.
Solution
Replace the belt unit.
If the belt unit is not replaced, set
the auto color registration OFF and
implement the manual color
registration.
Confidential