Toner Common Problems and Solution
1. Problem: bottom ash Reasons: low humidity, high temperature; PCR (charge roller) defects; magnetic roller sheath and coating defects; PCR or corona electrical contact defects; OPC (photosensitive drum) defects; poor carbon powder, carbon powder mixed; Solution: Best RH=50-60%; replace defective parts; replace toner; check high voltage power supply. 2, the problem: ghost Reasons: cleaning blade, a photosensitive drum, charging roller, corona wire, eraser lamp, developing roller defect; upper fixing roller, high voltage power supply defect; bad toner. Solution: Replace or clean defective parts; check high voltage power supply; replace toner. 3, the problem: hollow words Cause: Upper fixing roller is worn; toner problem; improper media; the paper surface is too […]