Question about Ricoh Aficio 450e Black and White Copier
Hi! sc390 td sensor error 1 means
-TD sensor abnormal
-poor connection of the PCU (photo conductor unit)
you might want to check on this problem... atleast you have a clue where to start. hope this helps, have a nice day
Posted on Feb 12, 2010
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Posted on Jan 02, 2017
Tips for a great answer:
TD sensor initial setting is not performed correctly.
1. ID sensor defective
2. No developer
3. Drum does not turn
4. Development roller does not turn
5. Poor connection of the PCU
6. The voltage is not applied to charge roller
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