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Error Code > Error Code > Error Code Details
Error Code > Error Code > Error Code Details
E
Code
Detail
Code
Location
Item
Description
E021 0001 05
Title
CL Developing Motor startup error
Detection After 700 msec since the startup, the speed failed to be OK for
500 consecutive msec.
Remedy Possible cause is overload or rotation failure of the motor due to
an electrical trouble
1. Check the Main Drive Unit (turn the unit by hand to see if it
rotates)
Replace the Main Drive Unit when the unit failed to rotate
When the unit rotates
2. Check failure of the harness between the Developing Motor
(M03/J6026) and the DC Controller PCB (UN09/J210W)
(trapped cable, open circuit, connector disconnection)
3. Check conduction of the fuse (FU7) in the DC Controller PCB
(UN09)
When the fuse is not blown out
4-1. Replace the Developing Motor (M03)
5-1. Replace the DC Controller PCB (UN09).
When the fuse is blown out
4-2. Replace the DC Controller PCB (UN09).
E021 0002 05
Title
CL Developing Motor speed error
Detection Since the startup, the speed had been OK at least once, and then
the speed failed to be OK for 500 consecutive msec.
Remedy Possible cause is overload or rotation failure of the motor due to
an electrical trouble
1. Check the Main Drive Unit (turn the unit by hand to see if it
rotates)
Replace the Main Drive Unit when the unit failed to rotate
When the unit rotates
2. Check failure of the harness between the Developing Motor
(M03/J6026) and the DC Controller PCB (UN09/J210W)
(trapped cable, open circuit, connector disconnection)
3. Check conduction of the fuse (FU7) in the DC Controller PCB
(UN09)
When the fuse is not blown out
4-1. Replace the Developing Motor (M03)
5-1. Replace the DC Controller PCB (UN09).
When the fuse is blown out
4-2. Replace the DC Controller PCB (UN09).
E
Code
Detail
Code
Location
Item
Description
E021 0003 05
Title
CL Developing Motor lock detection
Detection Since the startup, the FG signal failed to be turned ON for
300msec.
Remedy Possible cause is overload or rotation failure of the motor due to
an electrical trouble
1. Check the Main Drive Unit (turn the unit by hand to see if it
rotates)
Replace the Main Drive Unit when the unit failed to rotate
When the unit rotates
2. Check failure of the harness between the Developing Motor
(M03/J6026) and the DC Controller PCB (UN09/J210W)
(trapped cable, open circuit, connector disconnection)
3. Check conduction of the fuse (FU7) in the DC Controller PCB
(UN09)
When the fuse is not blown out
4-1. Replace the Developing Motor (M03)
5-1. Replace the DC Controller PCB (UN09).
When the fuse is blown out
4-2. Replace the DC Controller PCB (UN09).
E021 0020 05
Title
Developing screw rotation detection
Detection The difference between the maximum and the minimum of
detected inductance sampling values is equal to or lower than
0.5V.
Remedy Possible cause: The screw is not rotating due to failure in the
coupling between the main body and the Developing Assembly,
or the value of ATR Sensor (Y) (UN39) failed to be read due to an
electrical trouble.
1. Remove the Drum Unit (Y) and check no damage. (Replace
the Drum Unit (Y) if defective)
2. Lift the pressure lever after the Drum Unit (Y) is pushed all the
way in.
3. Check failure of the harness between the Drum Unit (Y) and
the DC Controller PCB (UN09/J25) (trapped cable, open circuit,
connector disconnection)
4.Check the Drum Unit Relay PCB (Y) (UN26) (Soil/ deformation/
damage)
5. Check the Drum Unit Memory PCB (M) (UN30) (Soil/ damage)
6.Replace the Drum Unit (Y)
7. Replace the DC Controller PCB (UN09).
8. Replace the Main Drive Unit