Technical Bulletin PAGE: 25/75
Reissued:21-Apr-14
Troubleshooting procedures in detail
Line No.1: White lines caused by ITB
Cause
Lubricant powder on the ITB is not evenly spread out, causing poor transfer in areas with
less lubricant.
Procedures
1. Is the belt cleaning unit exceeding its service life?
YES: Replace the belt cleaning unit.
NO: Go to the next step.
2. Press “User tools” on the operation panel, select “Maintenance” and execute “Color
registration.”
Are the results accepted by the customer?
YES: Finish
NO: Go to the next step.
3. Do “No.202 ITB Manual Lubrication” in Adjustment Settings for Skilled Operators Menu.
Make sure the cleaning blade and lubricant blade are retracted from the ITB before
lubrication.
Are the results accepted by the customer?
YES: Finish
NO: Repeat the above. If the lubrication does not resolve the problem, replace
the ITB Cleaning Unit.
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