I have an MP C4504 that has a pcProx card reader that I need to remove. The machine will not let me access service mode. The machine has a Smart Op panel and when copier is powered on, the screen has a dialogue box that has a grey background with the words "Loading... Please wait." Machine acts likes it is waiting for Java or some other service to load. In the beginning I could unplug HDD, power on the copier and when the machine gave the code, I could access a number pad to enter service mode. I tried turning off Java, and now can't get past the above mentioned dialogue box. Help please.
Card reader issues
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