Ricoh D093 - Bands;Lines Every 20 MM Pitch in Halftone Areas; Horizontal Line Broken at 150 MM from Center; Vertical White and Black Line at 150 MM from Center

Image Problem Troubleshooting
SM 7-9 D093/D094
Trouble-
Shooting
3. Vertical white and black line at 150 mm from center.
Possible causes:
 LPH Joints adjustment error
4. Horizontal line broken at 150 mm from center.
Possible causes:
 LPH subscan timing error at joint position
5. Bands/lines every 20 mm pitch in halftone areas
Possible causes:
 LPH defective