OK, covered before I know, looking for tips. New firmware, shimmed connectors (very clean-like new), swapped secondary transfer unit AND fixing feeder PWB...have not been into back of machine to check DC controller connectors and harness yet due to machine location. Fuser has been swapped too, due to last tech left lamp wire loose and shorted out on upper belt drive roller shaft -POOF!- breaker trip, mulitiple times.
Symptom: Secondary transfer unit lifts 4 times, looking for signal return? ThumpThumpThumpThump during power up- I know it will code out. Was intermittent, now error is almost permanent.
Will get into back of machine in a couple days when moved.
Symptom: Secondary transfer unit lifts 4 times, looking for signal return? ThumpThumpThumpThump during power up- I know it will code out. Was intermittent, now error is almost permanent.
Will get into back of machine in a couple days when moved.
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