Persistent "Add yellow toner" error.
Steps taken:
Replaced yellow pump, symptoms cleared for a few weeks and came back.
Replaced dev unit with developer. Symptoms came back in about a week. Machine seems to work with FIXED toner supply mode instead of using VREF.
Checked to see if the toner bottle is spinning and delivering toner and it is. I wonder if the dev gears on the machine are somewhat stripped or something electrical is going on.
Steps taken:
Replaced yellow pump, symptoms cleared for a few weeks and came back.
Replaced dev unit with developer. Symptoms came back in about a week. Machine seems to work with FIXED toner supply mode instead of using VREF.
Checked to see if the toner bottle is spinning and delivering toner and it is. I wonder if the dev gears on the machine are somewhat stripped or something electrical is going on.
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