Stains On The Front Of The Page - Dell 1600n - Multifunction Laser Printer B/W Service Manual

7.3.11 Ghost (3)
• Description White ghost occurs in the black image printing at 35 mm intervals.
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7.3.12 Ghost (4)
• Description Ghost occurs at 78 mm intervals.
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7.3.13 Stains on the front of the page

• Description The background on the face of the printed page is stained.
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Check and Cause
1. The life of the developer may be expired.
2. The abnormal voltage and bad contact of
the terminal of the supply roller
Check and Cause
The temperature of the fuser is maintained
high.
Check and Cause
1. Toner leakage due to improperly sealed
developer.
2. If the transfer roller is contaminated, stains
on the face of page will occur.
Solution
1. Problem in the toner cartridge, replace the
toner cartridge and try to print out.
2. Check the approved voltage of the supply
roller and contact of the terminal and adjust
if necessary.
Solution
1. Disassemble the fuser and remove the
contaminated toner particles on the roller
and clean the foreign matter between
Thermistor and Heat roller.
( Caution: can be deformed)
Solution
1. Replace the toner cartridge.
2. If the transfer roller is contaminated, run PC
Cleaning Mode Print 2 or 3 times.
And perform Self-Test 2 or 3 times to
remove contamination.
Troubleshooting
Service Manual
7-15