Samsung ML-1610XBH Service Manual

Also see for ML-1610 Series: Manual Manual Del Usuario User manual Service manual User guide

Contents

Samsung ElectronicsService ManualTroubleshooting6-186.5.3 Horizontal Black Band• Description 1. Dark or blurry horizontal stripes occur in the printing periodically.(They may not occur periodically.)Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterCheck and Cause Solution1. Bad contacts of the voltage terminals todeveloper.2. The rollers of developer may be stained.OPC Drum = 75.5mmCharge Roller = 37.7mmSupply Roller = 47.5mmDevelop Roller = 35.2mmTransfer Roller = 46.2mmHeat Roller = 63.9mmPressure Roller = 75.4mm1. Clean each voltage terminal of the Charge,Supply, Develop and Transfer roller.(remove the toner particles and paper par-ticles)2. Clean the right Gear that has relativelysmall gap of the teeth in the OPC.3. If the malfunction persists, replace thedeveloper.6.5.4 Black/White Spot• Description 1. Dark or blurry black spots occur periodically in the printing.2. White spots occur periodically in the printing.Digital PrinterDigital PrinterDigital PrinterDigital PrinterDigital PrinterCheck and Cause Solution1. If dark or blurry black spots occur periodi-cally, the rollers in the Developer may becontaminated with foreign matte or paperparticles.( Charge roller : 37.7 mm intervalOPC drum : 75.5 mm interval)2. If faded areas or voids occur in a blackimage at intervals of 75.5 mm, or blackspots occur elsewhere, the OPC drumsurface is damaged.3. If a black image is partially broken, thetransfer voltage is abnormal or the trans-fer roller's life has expired.1. Run OPC cleaning Mode Print and run theSelf-test 2 or 3 times.2. In case of 75.5 mm interval unremovable in1, cleanly remove foreign substances stuckon the OPC location equivalent to blackspots and white spots with a dry duster.3. The transfer roller guarantees 50.000sheets printing. If the roller's life is expired,replace it.4. In case of 37.7 mm interval unremovable in1, take measures as to replace the develop-er cartridge and try to print out.5. Clean the inside of the set against the paperparticles and foreign matter in order not tocause the trouble.