Technical Bulletin PAGE: 6/10
Reissued:18-Apr-14
Line No.5: White lines caused by Development Unit
Cause
a) The edge of the mylar attached to M0773457 (index #5 in Figure1 on the next
page) is torn and split, and is contacting the development roller. Due to this
contact, toner supply is blocked and a sufficient amount of toner is not
transferred to the drum.
Note that M0773457 is attached with 2 different types of mylars. One has a round
edge and the other a straight and flat edge. (See the bottom photo on the next
page.)
b) Developer is accumulated at the doctor gap, causing insufficient toner transfer to the
OPC drum.
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