HP CM3530 Service Manual - Page 526
Fuser, on Intermediate transfer, belt ITB, Laser/scanner assembly Y/M, Laser/scanner assembly
UPC - 884420196501
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Problem Cause Solution Vertical streaks or bands appear on the page. The ADF small glass might be dirty. Scratches are present on the circumference of the photosensitive drum. Clean the ADF small glass. Replace the print cartridge of the color that matches the defect. Scratches are present on the circumference of the fuser roller. Replace the fuser. See Fuser on page 200. Scratches are present on the circumference of the ITB. Replace the ITB. See Intermediate transfer belt (ITB) on page 209. The ITB drive roller is deformed or has deteriorated. The ITB cleaning mechanism is malfunctioning. Vertical white lines appear in a particular The laser beam window is dirty. color. Clean the window and remove any foreign substances. Scratches are present on the circumference of the developing cylinder or photosensitive drum. Replace the print cartridge of the color that matches the defect. The laser/scanner-unit mirror is dirty. Replace the laser/scanner assembly. See Laser/scanner assembly (Y/M) on page 325 or Laser/scanner assembly (C/Bk) on page 332. Vertical white lines appear in all colors. Horizontal scratches on the fuser roller. Replace the fuser. See Fuser on page 200. Scratches are present on the circumference of the ITB. Replace the ITB. See Intermediate transfer belt (ITB) on page 209. Horizontal lines appear on the page. Repetitive horizontal lines appear. Use the repetitive defects ruler to identify the dirty roller. Clean the roller. If the roller cannot be cleaned, replace the roller. Horizontal scratches are present on Replace the print cartridge of the color that the photosensitive drum. matches the defect. Horizontal scratches are present on Replace the fuser. See Fuser on page 200. the fuser roller. A horizontal white line appears on the page. Repetitive horizontal white lines appear. Use the repetitive defects ruler to identify the dirty roller. Clean the roller. If the roller cannot be cleaned, replace the roller. Horizontal scratches are present on Replace the print cartridge of the color that the photosensitive drum. matches the defect. Scratches are present on the circumference of the ITB. Replace the ITB. See Intermediate transfer belt (ITB) on page 209. 496 Chapter 7 Solve problems ENWW