Question about Minolta EP4000/5000 CS/PRO Copier

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Minolta 2050 with ATDC set as 140 and current as 0%

My minolta machine prints with dark background. initially it was printing light but after adding a little quantity of toner to the drum it started printing good color but the ATDC set which was initially at 140 against 6.0 can now be adjusted lower than 140 but the current still remained 0%. i was forced to run F5 and it shut down with a C00f31 code. and the dark background still remains. pls assist me with repair tips. tanx

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Hello sir; replace auto toner sensor will be ok, that sensor is located on developer unit.

Posted on Jan 08, 2009


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Check to make sure that the ATDC value noted after running F8 was entered as the "set" value in the Adjust Mode. If the ATDC "set" value was correct, check the connections between the PWB-A and the ATDC.
To check the ATDC "set" value follow the procedure below:
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1 Answer

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ATDC: set is 140 but the current is 0%

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