Kyocera Copystar CS 3011i Service Manual page 366

(7) Streaks are printed horizontally.
Print example
Dirty or flawed drum.
Dirty developer section.
Poor contact of grounding ter-
minal of drum unit.
(8) A part of image is dark or light.
Print example
Defective exposure lamp.
One-side-only closure of the
right cover.
The transfer unit is not prop-
erly attached.
The developer unit is sepa-
rated from the drum unit.
Dirty laser scanner unit dust
shield glass.
(9) Spots are printed.
Print example
Dirty contact glass.
Dirty or flawed drum.
Dirty or flawed chager roller.
Deformed or worn cleaning
blade in the drum unit.
Flawed developer roller.
Dirty heat roller and press
roller.
Causes
Perform the drum refresh operation.
Flawed drum. Replace the drum unit (see page 1-5-21).
Clean any part contaminated with toner in the developer
section.
Check the installation of the drum unit. If it operates incor-
rectly, replace it (see page 1-5-21).
Causes
Replace the LED PWB (see page 1-5-37).
Close the right over again.
Reattach the transfer roller. Or replace the transfer roller
unit.
Clean the developer pulley. Or replace the developer unit.
Clean the Drum. Or relpace the drum unit.
Perform the laser scanner unit dust shield glass cleaning.
Causes
Clean the contact glass.
Perform the drum refresh operation.
Flawed drum. Replace the drum unit (see page 1-5-21).
Clearn the chager roller.
Or replace the chager roller unit (see page 1-5-23).
Replace the drum unit (see page 1-5-21).
Replace the developer unit (see page 1-5-18).
Clean the heat roller and press roller.
Check procedures/corrective measures
Check procedures/corrective measures
Check procedures/corrective measures
1-4-73
2RG/2RH