Canon LBP-860 Service Manual page 166

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CHAPTER 6
I - 5
Large dots vertically in line
Possible cause Step
Transfer
charging roller
Possible cause Step
6-20
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Check
the static charge eliminator dirty?
2
Is the static charge eliminator
grounded?
3
Check
Is the transfer charging roller dirty7
Is the entrance guide dirty?
Procedure
roller. If it is not
Result
Procedure
Clean the roller. If it cannot
be cleaned, replace It.
YES
Clean the guide.
NO
Ground the rollers properly.
Y E S Clean the roller. If it is not
possible to clean it. replace
it.
N O
Clean the paper feed guide.

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