7-47
Confidential
■ Error display when “REGI_SENS ADJUST BELT OFF” or “REGI_SENS ADJUST
BELT CHECK” is executed
■ Error display when “REGI_SENS ADJUST BELT ON” is executed
* XX shows the number of error times (1 to 999) when a scratch is detected on the surface of
the belt unit. If the number of times is larger, the condition of the belt unit is worse.
Error messages Description Solution
REGI_SENS ADJUST
Write Err
Failure to write electronic
volume NVRAM
Replace the engine PCB
ASSY.
REGI_SENS ADJUST
Belt Left Err
Measurement data error
upon sensitivity adjustment
of the registration mark
sensor L
Replace the
belt unit. If you
do not replace it, execute the
adjustment of color
registration (manual).
(Refer to “Adjustment of
color registration (Function
code 66)” in this chapter.)
REGI_SENS ADJUST
Belt Right Err
Measurement data error
upon sensitivity adjustment
of the registration mark
sensor R
Error messages Description Solution
REGI_L_SENS: XXX
REGI_R_SENS: OK
Result of the belt unit
surface check within the
coverage of the registration
mark sensor L
Execute the adjustment of
color registration (manual).
If the error occurs again,
replace the belt unit.
(Refer to “Adjustment of
color registration (Function
code 66)” in this chapter.)
REGI_L_SENS: OK
REGI_R_SENS: XXX
Result of the belt unit
surface check within the
coverage of the registration
mark sensor R
REGI_L_SENS: XXX
REGI_R_SENS: XXX
Result of the belt unit
surface check within the
coverage of the registration
mark sensor