Cleaning/Toner Recycle Unit; Removing And Reinstalling The Cleaning Blade - Konica Minolta 7020 Service Manual

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CLEANING/TONER RECYCLE UNIT

[1] Removing and Reinstalling the
Cleaning Blade
Caution: Be sure that the power cord has
Caution 1:
Caution 2:
Caution 3:
a. Procedure
(1) Remove the drum unit from the main body.
(2) Remove the charging corona unit.
(3) Remove the drum from the drum unit.
(4) Remove the 2 set screws, and remove the fitting
(suppressor piece) holding the cleaning blade in
place.
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been unplugged from the outlet.
Be careful of the cleaning blade edge.
Do not touch the edge with bare hands,
and take care to avoid scratching it.
Before installing the drum and cleaning
blade (regardless of whether new or
used), be sure to coat these with set-
ting powder. Apply the powder around
the entire drum, and on both sides of
the blade.
If you have coated setting powder onto
the drum: Before installing the drum
unit rear into the main body, use an
drum cleaner cloth to remove stray
powder from the sensor surface on the
toner control sensor board. This is nec-
essary to ensure that accurate toner
density readings are obtained.
Suppressor
piece
Set screws
CLEANING/TONER RECYCLE UNIT
(5) Remove the cleaning blade.
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(6) Reinstall in the opposite sequence to removal.
Caution: When installing the cleaning blade, install
so that the unit's transparent sheet is ori-
ented as shown in the diagram.
Collected toner
conveyance screw
3-I-1
Cleaning blade
Transparent sheet
Cleaning
blade