Troubleshooting
Samsung Electronics
Service Manual
6-21
6.5.9 Ghost (1)
• Description
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75.
5m
m
Check and Cause
Solution
1. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the elec-
trode of the Developer.
2. Bad contacts caused by contamination
from toner particles between high voltage
terminal in the main body and the one in
the HVPS board.
3. The life of developer is expired.
4. Transfer roller lifetime(50.000 sheets) has
expired.
5. Abnormal low temperature(below 10°C).
1. Clean the terminals when contaminated by
toner particles.
2. Occur in the developer cartridge, replace
the developer and try to print out.
3. Replace the engine board if not solved by
the above directions 1-2.
4. If not solved by the direction 3, check the
transfer roller lifetime and replace it.
5. Wait about 1 hour after power on before
using printer.
6.5.10 Ghost (2)
• Description
Ghost occurs at 75.5 mm intervals of the OPC drum in the whole printing.
(When printing on card stock or transparencies using manual feeder)
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
Digital Printer
75.5mm
Check and Cause
Solution
When printing on card stock thicker than nor-
mal paper or transparencies such as OHP,
higher transfer voltage is required.
Select 'Thick Mode' on paper type menu from
the software application and after using return-
ing to the original mode is recommended.
Summary of Contents for ML-2510 series
Page 29: ...System Overview Samsung Electronics Service Manual 3 15 3 2 3 5 SPGPv3 Internal Block Diagram ...
Page 103: ...Exploded Views Parts List 7 2 Frame Assembly 0 15 13 12 4 14 3 2 16 5 7 6 16 1 9 11 10 8 ...
Page 106: ...Exploded Views Parts List 7 5 RX_Drive 0 6 3 4 9 10 8 7 11 2 5 ...
Page 115: ...Service Manual Block diagram 8 2 Samsung Electronics 8 2 ML 2570 2571N H W Block Diagram ...
Page 117: ...Service Manual Connection Diagram 9 2 9 2 ML 2570 2571N Connection Diagram ...