Corona Unit Section; Removing And Reinstalling The Charging Corona Unit; Removing And Reinstalling The Charge Control Plate - Konica Minolta 7020 Service Manual

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CORONA UNIT SECTION

[1] Removing and Reinstalling the
Charging Corona Unit
Caution: Be sure that the power cord has
a. Procedure
(1) Remove the drum unit from the main body.
(2) Remove the cleaning rod's shaft stopper fitting, and
pull out the cleaning rod.
(3) Disconnect the connector from the drum unit.
(4) Remove the 2 set screws, and remove the charging
corona unit by pulling it out from the rear.
1
Connector
(5) Reinstall in the opposite sequence to removal.
been unplugged from the outlet.
Charging corona unit
Set screw
Cleaning rod
[2] Removing and Reinstalling the
Charge Control Plate
Caution: When reinstalling, be sure to set
a. Procedure
(1) Remove the drum unit from the main body.
(2) Remove the charging corona unit. Move the
charging cleaning block to its home position (at the
right side).
(3) Remove the 2 charge control springs, and remove
the charge control plate.
(4) To clean, use: Tap lightly with a cloth soaked in
drum cleaner, then use a blower brush to remove
remaining debris.
Stopper
fitting
Charge control
springs
(5) Reinstall in the opposite sequence to removal.
3-F-1
CORONA UNIT SECTION
the charge control plate so that the
spring held end is toward the front
of the charging corona unit.
Charge control plate