Service Manual
Adjustment and Troubleshooting
4-50
Samsung Electronics
3) Horizontal Black Bands
Description: Dark or blurry horizontal stripes occur in the printing periodically
(These may occurs at regular intervals down the page.)
1) Charge Roller: 26.7 mm
2) Supply Roller: 40.8 mm(YMC) / 43 mm(K)
3) Developing Roller: 30.6 mm(YMC) / 32.5 mm (K)
4) Transfer Roller: 45 mm
5) Paper Charge Roller : 26.7 mm
6) OPC Drum : 75.4 mm
7) Fusing Belt : 125.6 mm
Replace the toner Cartridge.
Replace the toner Cartridge.
2. The rollers in
the toner cartridge
may be contaminated.
3. Contamination of the Gap-Ring
-regular intervals 39.0 mm
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