Olivetti d-Color MF2001 Service Manual

Also see for d-Color MF2001: Sales guide Installation manual

2KZ/2K01-4-337902 Drum C EEPROM errorNo response is issued fromthe device in reading/writingfor 5 ms or more and thisproblem is repeated five timessuccessively.Mismatch of reading data fromtwo locations occurs eighttimes successively.Mismatch between writingdata and reading data occurseight times successively.Poor contact in theconnector termi-nals.Reinsert the connector. Also check for conti-nuity within the connector cable. If none,replace the cable.Drum unit (C) and drum connect PWB(YC3)drum connect PWB and engine connectPWB (YC4)Engine connect PWB and engine PWB(YC9)Defective drumPWB.Replace the drum unit C (see 1-5-16).7903 Drum M EEPROM errorNo response is issued fromthe device in reading/writingfor 5 ms or more and thisproblem is repeated five timessuccessively.Mismatch of reading data fromtwo locations occurs eighttimes successively.Mismatch between writingdata and reading data occurseight times successively.Poor contact in theconnector termi-nals.Reinsert the connector. Also check for conti-nuity within the connector cable. If none,replace the cable.Drum unit (M) and drum connect PWB(YC4)drum connect PWB and engine connectPWB (YC4)Engine connect PWB and engine PWB(YC9)Defective drumPWB.Replace the drum unit M (see 1-5-16).7904 Drum Y EEPROM errorNo response is issued fromthe device in reading/writingfor 5 ms or more and thisproblem is repeated five timessuccessively.Mismatch of reading data fromtwo locations occurs eighttimes successively.Mismatch between writingdata and reading data occurseight times successively.Poor contact in theconnector termi-nals.Reinsert the connector. Also check for conti-nuity within the connector cable. If none,replace the cable.Drum unit (Y) and drum connect PWB(YC2)drum connect PWB and engine connectPWB (YC4)Engine connect PWB and engine PWB(YC9)Defective drumPWB.Replace the drum unit Y (see 1-5-16).7911 Developing unit K EEPROMerrorNo response is issued fromthe device in reading/writingfor 5 ms or more and thisproblem is repeated five timessuccessively.Mismatch of reading data fromtwo locations occurs eighttimes successively.Mismatch between writingdata and reading data occurseight times successively.Poor contact in theconnector termi-nals.Reinsert the connector. Also check for conti-nuity within the connector cable. If none,replace the cable.Developer unit (K) and drum connectPWB(YC9)drum connect PWB and engine connectPWB (YC4)Engine connect PWB and engine PWB(YC12)Defective develop-ing PWB.Replace the developer unit K (see 1-5-14).Code Contents Causes Check procedures/corrective measuresY113010-4 Sevice Manual