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4. Troubleshooting
4.7.4. Horizontal Periodic Light/Dark Lines, Dots.
A. Typical faulty images
B. Troubleshooting procedure
Step
Check item
Action
1
Horizontal periodic bands (OPC, 94.2mm)
– OPC was exposed for long hours.
– Damaged by high voltage in a short time.
As some time passes, most of bands will disappear.
Replace Drum unit.
(Refer to 3.2.1.)
2
Horizontal periodic Light/Dark bands (Roller-Magnetic,
35.7mm)
– Roller-Magnetic is inferior in quality.
– V-groove of the surface of Roller-Magnetic is not
uniform.
Replace Deve unit.
(Refer to 3.2.2.)
4-201
Copyright© 1995-2017 SAMSUNG. All rights reserved.
Содержание MultiXpress K4 Series
Страница 10: ...Contents 6 4 Document Revision List 6 10 ix Copyright 1995 2017 SAMSUNG All rights reserved ...
Страница 53: ...2 Product Specifications and Description Copyright 1995 2017 SAMSUNG All rights reserved 2 37 ...
Страница 76: ...2 Product Specifications and Description 2 60 Copyright 1995 2017 SAMSUNG All rights reserved ...
Страница 139: ...3 Disassembly and Reassembly 7 Release the reverse roller Assy Copyright 1995 2017 SAMSUNG All rights reserved 3 18 ...
Страница 177: ...3 Disassembly and Reassembly 7 Remove the scan glass Copyright 1995 2017 SAMSUNG All rights reserved 3 56 ...
Страница 432: ...4 Troubleshooting Step Check item Action Refer to 3 3 29 4 197 Copyright 1995 2017 SAMSUNG All rights reserved ...