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ERROR CODE and TROUBLESHOOTING
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Cause/Section Step Check item Measures
Developer unit 1 Is the layer of the developer material
on the developer sleeve where the
density is uneven thin or lacking?
• Remove the foreign matter in the
developer unit.See “2. Removal of
foreign matter in the developer
unit” in “7.6.7 Developer unit (K, Y,
M and C)”.
• Clean the developer unit.See “1.
Cleaning” in “7.6.7 Developer unit
(K, Y, M and C)”.
2 Does uneven image density occur
again?
Adjust the doctor-sleeve gap close to
the upper limit value of the
adjustment standard.See “6.4.3
Adjustment of the doctor-sleeve gap”.
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