Kyocera Add Toner Loop Fix: Developer and Feed Gear Diagnostic
Written by: Helen J. Halladay, Printer Repair Technician
Bench-tested on:
ECOSYS M2040dn — Firmware: 2S0_2000.001.011
FS-1320D — Firmware version not recorded during bench test.
Quick Answer
A persistent Kyocera “Add Toner” loop usually means the machine is not receiving or accepting toner as expected. Attempting a Kyocera Add Toner Loop Fix requires understanding that possible causes include an incorrectly seated or incompatible toner container, a blocked or damaged toner-feed mechanism, a supply-detection problem, or a developer system that has not been replenished correctly. Service-level toner installation routines such as U130 are model-specific and should only be used when specified by the exact service manual.
Applies To
Bench-tested Configurations: ...