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Hi Phil and majx75,

thank you for your ideas - just looking at these "gates" was pointing me to the "smoking gun" I was looking for. They do not open when lowering the lid (I admit I should have...

Hi everybody,

after having "revived" the ES3640pro I'm trying the breathe life back into the spare part supplying ES3640a3. I prints white paper completely black (no margin left); the transfer...

PROBLEM SOLVED

Hi everybody,

I had now plenty of time to think and even had an OKI Technician looking at the machine. It has 310k copies on it and is about 7 years old now - accordingly no...

PROBLEM SOLVED

Hi everybody,

I had now plenty of time to think and even had an OKI Technician looking at the machine. It has 310k copies on it and is about 7 years old now - accordingly no...

​Hi everyone,

I'm having an ES3640pro showing the famous error 380. I managed to find (and follow) the OKI troubleshooting & maintenance guide and took parts of the printer apart, following the...