If it tones up you may need to go through a full PM, toner sensor may not be getting proper reads.
Copies are real light, undertoned.
Ladder chains in the Toner Box are good and move freely. The machine has 25,000 copies, still on the original developer. Please, share some ideas. If it tones up you may need to go through a full PM, toner sensor may not be getting proper reads. Copies are real light, undertoned.