7.6 TRANSFER BELT CLEANING MECHANISM
Some toner may adhere to the transfer belt under the following conditions:
•
When a paper jam occurs.
•
When the by-pass feed table side fences are set wider than the actual
paper width. In this condition, the erase lamp does not erase the area of
the drum outside the width of the copy paper. The image developed on
this area will not be transferred to the copy paper but to the transfer belt.
•
When the platen cover or ADF is opened during the first copy when
using by-pass feed. In this condition, the scanner scans full size and a
full black image is developed outside the length of the copy paper. The
developed image on this area will not be transferred to the copy paper
but to the transfer belt instead.
The adhering toner must be removed to prevent the back side of later copies
from being stained. The cleaning blade [A], which is always in contact with
the transfer belt, scrapes off any toner remaining on the transfer belt. Paper
dust on the transfer belt is also scraped off, and is disposed of with the
waste toner from the transfer belt. A counter blade system is used to clean
the transfer belt. The surface of the transfer belt is coated to make it smooth
and to prevent the cleaning blade from being flipped by the transfer belt.
The toner that is scraped off falls into the toner collection tank [B]. Collected
toner must be discarded from the opening [C] at each preventive
maintenance call. This toner must not be recycled, because it contains paper
dust.
[A]
Recycled Toner
[B]
[C]
Detailed
Descriptions
STM 2-67 A156/A160/A162
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