Printing - Ricoh B286 Service Manual

7. White lines every 1mm pitch in halftone areas
Possible causes:
! CIS defective
8. Bands/lines every 8mm pitch in halftone areas
Possible causes:
! LPH defective

4.6.3 PRINTING

1. No Image (blank copy/print)
Possible causes:
! VDB board defective
! IPU board defective
! LPH (LED head) defective
SM
Image Problem Troubleshooting
4-41 B286/B289