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PREVENTIVE MAINTENANCE (PM)
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2. Removal of foreign matter in the developer unit
(1) Pull out the process unit (EPU).
(2) Lift up the urethane sheet.
(3) Insert the cleaning jig all the way in the developer unit at a position approx. 30 mm away
from the white streak.
Fig. 7-26
(4) Slide the cleaning jig to where the white streak appears.
(5) Pull out the cleaning jig while manually turning the gear to rotate the developer sleeve.
Fig. 7-27
Tip:
If foreign matter is not removed by the above procedure, take off the developer unit,
discharge the developer material on to a sheet of clean paper and then remove any foreign
matter found. If you cannot find any foreign matter, exchange the developer material.
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