a customer of mine has a 020-01a9 code come up every morning after they wake the machine up. they restart the machine and it runs fine all day. i have replaced the atr sensor with no change in symptoms. please help. thanx
ir c3100 e0020-01a9
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This error is your yellow developer.
Has it ever been replaced?
You can try going into service mode:
Copier/function/install/sply-h for yellow
If it helps for a while, then your ok.
If it comes back, then replace the yellow developer. -
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baseball4
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Yes, and no. The ATR sensor is measuring toner concentration in the developer, so toner is the issue. Agreeing with what is being said here, more than likely the yellow developer assembly is long in the tooth, and needs to find it's way to the dumpster..."Once a King, always a King, but once a Knight is enough!"
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