
laser printer streaks fix — drum vs fuser vs transfer
laser printer streaks fix — drum vs fuser vs transfer
laser printer streaks fix is the fastest path to clean pages again. Use this laser printer streaks fix walkthrough to identify whether the culprit is the drum, the fuser, the transfer system, or the cartridge itself—then apply the exact remedy with minimal parts and downtime.
laser printer streaks fix — quick diagnostic map
Most streaks fall into four buckets:
Drum (OPC/PCU): repeating gray/black bands or ghost images at a consistent distance down the page.
Fuser (heat/pressure rollers): shiny, smeared, or offset toner that rubs off; defects appear after the fuser.
Transfer system (belt/roller): pale bands, colored lines (on color devices), or repeating light bars across full width.
Cartridge/developer...