Oki ES9160 Maintenance Manual page 609

[C970] High-voltage transformer abnormality
Classification
Process related service call
Check Item
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High-voltage transformer abnormality
1. Is the main charger installed securely?
2. Check if the spring of high-voltage supply contact point is
deformed.
3. Check if the needle electrode is broken or the main charger
grid is deformed.
4. Check if any foreign matters is on the needle electrode or
the main charger grid.
5. Check if the transfer roller and the separation needle are
installed securely.
6. Check if the transfer roller or the separation needle is
removed.
7. Check if there is any foreign matter attached on the transfer
roller or the separation needle.
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Contents
Measure
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8