DEVELOPMENT AND TONER SUPPLY
SM 3-71 B234/B235/B236/D101/D102/D103
Replacement
Adjustment
3.8.4 CLEANING THE DOCTOR BLADE
The doctor blade must be cleaned:
• At every PM visit.
• When replacing developer.
This procedure may need to be done more often if the customer is using paper that
contains a large amount of paper dust.
The dust tends to collect at the front and on the back side of the blade, causing the
doctor gap to become narrower. Cleaning is required when:
• There is toner scatter from both ends of the development unit.
• White lines appear on copies.
• Faint reproduction of the image appears around the edges of the paper.
To do this procedure, you need a special tool.
Part Number Description
A2949560 Paper Dust Cleaner - 5pcs/set
NOTE: The tool is made of flexible plastic and can be re-used. However, before
you use it, make sure that it is perfectly flat.
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