4.7.2. Vertical Light or White Lines
A. Typical faulty images
B. Troubleshooting procedure
Step
Check item
1
Some foreign substance is stuck between magnetic roller
and Blade.
No toner on magnetic roller partially.
2
Developer in Deve unit is empty or Deve unit life is
expired.
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Action
Remove foreign substances.
•
Make the hook (Transparency sheet is
recommended.)
•
Put the hook into the gap between magnetic roller
and Blade.
•
Pull out foreign substances.
Check the deve unit remain on supplies information
report.
If its life is expired, replace the deve unit.
Check the developer layer on magnetic roller is uniform
or not.
If the developer layer is short seriously, replace the deve
unit.
4. Troubleshooting
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