Samsung SCX-4100 Service Manual page 71

Troubleshooting
7.1.11 Ghost (3)
• Description Ghost occurs at 57 mm intervals.
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7.3.12 Ghost (4)
• Description A White ghost occurs in a black image printing at 35.5 mm intervals.
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7.1.13 Stains on the Face of the Page
• Description The background on the face of the printed page is stained.
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Service Manual
7-6
Check and Cause
Fuser contamination.
Check and Cause
1. The life of the developer may be expired.
2. Abnormal output from the HVPS.
(Run EDC mode – see sections 6.1.2)
Check and Cause
1. Toner leakage due to improperly sealed
toner cartridge.
2. If the transfer roller is contaminated,
stains on the face of page will occur.
Solution
1. Disassemble the fuser and remove any
contamination on the rollers. Clean any
contamination from between the
Thermistor and the Heat roller. (Caution:
Take care not to deform the rollers.)
Solution
1. Problem in the toner cartridge, replace the
toner cartridge and try to print out again.
2. Check the HVPS supply voltage. Clean all
HV terminals on the cartridge and on the
set. Replace the HVPS if the problem
persists.
Solution
1. Replace the toner cartridge.
2. If the transfer roller is contaminated, run
PC Cleaning Mode Print 2 or 3 times and
then perform Self-Test 2 or 3 times to
remove contamination.
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