Ricoh B286 Service Manual page 260

Image Problem Troubleshooting
2. Band with no image-width 1/3 of image
Possible causes:
! Connection problem between VDB and LPH
! LPH head defective
3. Bands with no image-width 1/8 A0 (E) size
Possible causes:
! VDB board defective
4. Vertical white and black line at 150 mm from center.
Possible causes:
! LPH Joints adjustment error
B286/B289 4-42 SM