Konica Minolta 7145 Service Manual page 91
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7145 series Field Service Ver.4.0 Mar. 2004
No.1 Overall halftone
[Check Items]
• When the density is set to 70 (halftone)
When there are white stripes, black stripes or uneven density found, check the printer system for any
abnormality.
[Recommended checkpoints]: Developing unit, and cleaning unit
• When the density is set to 0 (white)
When there is image gray back ground, check the printer system for any abnormality.
[Recommended checkpoints]: Charging corona, and high voltage contact
• When the density is set at 255 (black)
When the density is thin, check the printer system for any abnormality.
[Recommended check point]: Write unit
*
For information about setting the density, see "7.11 Test pattern density adjustment" below.
Test Pattern
When the density is set to 70
When the density is set to 0
1-61
When the density is set to 255
36 MODE
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