1-4-75
(14) Offset occurs.
(15) Part of image is missing.
Print example
Causes
Check procedures/corrective measures
Deformed or worn cleaning
blade in the drum unit.
Replace the drum unit (see page 1-5-21).
Defective discharger lamp.
Clean the discharger lamp. Or replace the drum unit.
Defective fuser unit.
Replace the fuser unit (see page 1-5-25).
Wrong types of paper.
Check if the paper meets specifications. Replace paper.
Print example
Causes
Check procedures/corrective measures
Paper damp.
Check the paper storage conditions.
Paper creased.
Replace the paper.
Drum condensation.
Perform the drum refresh operation.
Dirty or flawed drum.
Perform the drum refresh operation.
Flawed drum. Replace the drum unit (see page 1-5-21).
Dirty transfer roller.
Clean the transfer roller. Replace the transfer roller if it is
extremely dirty (see page 1-5-24).
Print example
Causes
Check procedures/corrective measures
Wrong types of paper.
Check if the paper meets specifications, replace paper.
Flawed heat roller or press
roller.
Replace the fuser unit (see page 1-5-25).
Defective pressure springs.
Defective fuser heater.
Print example
Causes
Check procedures/corrective measures
Defective image scanning
unit.
Replace the image scanning unit (see page 1-5-34).
Drum condensation.
Perform the drum refresh operation.
Y11
8
240-1
Service Manual
Summary of Contents for d-Copia 3002MF plus
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Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide...
Page 654: ...PF 810 3000 sheet deck Installation Guide...
Page 667: ...DF 791 3000 sheet finisher Installation Guide...
Page 682: ...DF 7120 1000 sheet finisher Installation Guide...
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Page 700: ...AK 740 Bridge unit Installation Guide...
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Page 717: ...PH 7A C D Punch unit Installation Guide...
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