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Precautions to take in replacing the above parts:
1) The combination of the new cleaner (with strengthened polishing pad) and the old corona wire
(with gold plating) will cause the plating on the old corona wire to come off, resulting in uneven
images. Therefore, never use this combination.
2) Dirt on the corona wire of the pre-transfer corona assembly and the separation corona assembly
hardly affect images. Hence, conventional cleaner will be used.
3) The methods to identify between the old and new corona wire, cleaner, guide pin, and felt holder
are as follows. (See tabulated information and the Figures below.)
• Corona wire
Background color for the label
• Cleaner
Color of the cleaning block
Color of the felt folder
• Guide pin
Width of pin assembly plate
Background color for the
Fig. 1 New corona wire
9mm
Fig. 3 New guide pin
Blue
White
New Part
Old Part
Blue
Black
Blue
Creamy white
New Part
Old Part
9mm
6mm
Corona wire:
Brown
Pin assembly
Color of the felt holder: Blue
Color of the cleaning block: Blue
Fig. 2 New cleaner (cleaning block / felt
holder)
11mm (old: 8mm)
Fig. 4 New felt holder
6251-019 Rev. 1
Color: Black
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