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● Code : B-1
● Symptom :
-. Horizontal Thick Band(s) for a Particular Color
-. Horizontal Dark Band
● Possible Cause:
1. Gear or Roller is defective.
2. The OPC defect in imaging unit has occurred because of environment change.
● Troubleshooting method :
[Case 1] Gear or Roller is defective.
If the horizontal line defect occurs at regular intervals, refer to
Roller' on page 4-209.
defective
Refer to the defect period table and replace the defective part.
[Case 2] The OPC defect in imaging unit has occurred because of environment change.
1) In case of this, print out 100 pages at 2~3 pages intervals.
2) If the problem is improved, use the machine as things stand.
3) If the problem persists, replace the imaging unit.
Troubleshooting
● Horizontal Thick/Dark Band
'4.4.5 Abnormal Image Printing and
4-169
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Table of Contents
Troubleshooting
