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PROCESS UNIT
4.3
Cleaning/replacing, remov-
ing and reinstalling
the charging wire assy
/the charging control plate
A. Periodically replaced parts/cycle
• Charging wire assy: Every 100,000 copies
• Charging control plate: Every 200,000 copies
• Charging grid spring: Every 200,000 copies
Note:
• The charging corona unit is made up of a
charging wire assy, charging control plate and
a charging grid spring.
B. Procedure
1. Remove the charging corona unit. (See "4.2
Cleaning and replacing the charging corona
unit.")
2. Remove 2 charging control springs [1] and then
remove the charging control plate [2].
3. Clean the charging control plate by blowing off
dust with a blower brush.
4. Reinstall the above parts following the removal
steps in reverse.
Note:
• Be sure to install the charging control plate so
that the side on which the charging control
spring is hooked comes to the front of the
charging corona unit.
• Be sure to install each of the charging control
springs with its tips [3] of both ends point
toward the charging wire.
CF5001 Field Service Ver.1.0 Sep 2003
1-30
[2]
[1]
[2]
[3]
8050ma3040
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