B. Drum unit
1) Check the external view.
•
Check for damage or cracks on the boss and the boss hole.
•
Check to insure that the waste toner pipe shutter slides smooth-
ly.
•
Check to insure that the star ring and the CRU washer rotate
smoothly.
2) Remove the drum cover. (4 Lock Tabs)
3) Remove the drum fixing plate and the photoconductor drum.
(Note) Dispose the drum fixing plate which was removed.
4) Check the cleaning blade and the red felt for no damage.
•
If there is any damage, execute all procedures from item 5) and
later.
•
If there is no damage, execute the procedure of item 12).
5) Remove the main charger.
(Cleaning the screen grid and the sawteeth.)
6) Remove the cleaning blade.
Note: Dispose the cleaning blade which was removed.
(2)
(3)
L
O C
K
AR-150E
3 – 6
Summary of Contents for AR-121E
Page 126: ... 13 CIRCUIT DIAGRAM AC INTERLOCK AL 1000 1010 13 1 ...
Page 127: ...MCU1 AL 1000 1010 13 2 ...
Page 128: ...MCU2 AL 1000 1010 13 3 ...
Page 129: ...MCU3 AL 1000 1010 13 4 ...
Page 130: ...MCU4 AL 1000 1010 13 5 ...
Page 131: ...MCU5 AL 1000 1010 13 6 ...
Page 132: ...MCU6 AL 1000 1010 13 7 ...
Page 133: ...OPU AL 1000 1010 13 8 ...
Page 134: ...POWER SUPPLY 100V 110V AL 1000 1010 13 9 ...
Page 135: ...POWER SUPPLY 120V 127V AL 1000 1010 13 10 ...
Page 136: ...POWER SUPPLY 200V Series AL 1000 1010 13 11 ...