Canon imageRUNNER ADVANCE 6075 Series Service Manual page 427

4
Parts Replacement and Clearning > Image Formation System > Replacing the Primary Charging Wire
5) Cut the edge of the twisted Charging Wire with nippers.
6) Hook the ring to the front protrusion of the Positioning Block to hook the Charging Wire to
the groove.
Protrusion
7) Hook the Charging Wire Tension Spring to the Charging Wire to twist with it.
8) Cut extra length of the Charging Wire with nippers.
4 Parts Replacement and Clearning > Image Formation System > Replacing the Primary Charging Wire
Groove
Charging
Wire
F-4-112
F-4-113
9) Hook the Charging Wire to the rear groove of the Charging Wire Positioning Block and
hold the edge of the Charging Wire Tension Spring with tweezers to hook it to the charging
electrode.
Groove
CAUTION:
Be sure to keep the following in mind after installation.
• No bend or twist is found with the Charging Wire.
• The Charging Wire is fitted into the groove of the Charging Wire Positioning Block.
10) Clean the Charging Wire with lint-free paper moistened with alcohol.
11) Install the Primary Charging Wire Cleaner (Right).
12) Install the Primary Charging Wire Cleaner Holder (Right).
13) Install the Shield Plate (Right).
<Processing when replacing the parts>
1) Clear the parts counter. (COPIER>COUNTER>PRDC-1>PRM-WIRE)
2) Clean the Charging Wire. (COPIER>FUNCTION>CLEANING>WIRE-CLN)
3) Init of Primary Charging Wire current VL(COPIER>ADJUST>HV-PRI>PRI-GRID)
4) Execute the potential control (COPIER>FUNCTION>DPC>DPC). Turn OFF and then ON
the main power. (The potential control is executed at startup.)
4-106
Charging Electrode
F-4-114
4-106