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2DA/2DB
1-5-29
(6) A black line appears longitudinally.
Causes
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Dirty scanner mirror.
4. Dirty main charger wire.
Causes
Check procedures/corrective measures
1. Dirty contact glass.
Clean the contact glass.
2. Dirty or flawed drum.
Clean the drum or, if it is flawed, replace the drum unit (see page 1-6-38).
3. Dirty scanner mirror.
Clean the scanner mirror.
4. Dirty main charger wire.
Clean the main charger wire or, if it is extremely dirty, replace the main
charger unit (see page 1-6-40).
(7) A black line appears laterally.
Causes
1. Dirty contact glass.
2. Dirty or flawed drum.
3. Dirty scanner mirror.
4. Dirty shading plate.
5. Leaking main charger housing.
Causes
Check procedures/corrective measures
1. Dirty contact glass.
Clean the contact glass.
2. Dirty or flawed drum.
Clean the drum or, if it is flawed, replace it (see page 1-6-38).
3. Dirty scanner mirror.
Clean the scanner mirror.
4. Dirty shading plate.
Clean the shading plate.
5. Leaking main charger housing.
Clean the main charger wire, grid and shield.
(8) One side of the copy image is
darker than the other.
Causes
1. Dirty main charger wire.
2. Defective exposure lamp.
Causes
Check procedures/corrective measures
1. Dirty main charger wire.
Clean the main charger wire or, if it is extremely dirty, replace the main
charger unit (see page 1-6-40).
2. Defective exposure lamp.
Check if the exposure lamp light is distributed evenly. If not, replace the
exposure lamp and inverter PCB.
Содержание KM-1650
Страница 1: ...SERVICE MANUAL Published in June 05 2DA70763 Revision 3 KM 1650 2050 ...
Страница 4: ...This page is intentionally left blank ...
Страница 10: ...This page is intentionally left blank ...
Страница 248: ...2DA 2DB 1 2 3 2 Figure 2 3 2 Power source PCB silk screen diagram 220 240 V AC 120 V AC ...
Страница 265: ...2DA 2DB 1 2 3 19 Figure 2 3 10 Operation unit PCB silk screen diagram ...
Страница 280: ......