Defective Harness - Kyocera Mita FS-C5016N - Color LED Printer Service Manual

Code Contents
7411 Black drum unit non- installing error
• The EEPROM (U401) on the drum
PWB 4 (KP-972) inside the black drum
unit does not communicate normally.
7412 Cyan drum unit non- installing error
• The EEPROM (U401) on the drum
PWB 2 (KP-972) inside the cyan drum
unit does not communicate normally.
Causes Check procedures/corrective measures

Defective harness

Check the connection of the black drum unit
between drum and the printer main unit, check the continu-
PWB 4 (KP-972) ity of the harness (S02867), if there is trou-
and printer main ble, remedy or replace.
unit or poor contact
of the connector
terminals.
Defective drum Replace the drum PWB 4 (KP-972).
PWB 4 (KP-972).
Defective engine Replace the engine controller PWB (KP-
controller PWB 1054). See page 1-6-25.
(KP-1054).
Defective LED print Replace the LED print heads relay PWB
heads relay PWB (KP-1048). See page 1-6-28.
(KP-1048).
Defective harness Check the continuity of the harness
(S02869) between (S02869), check the connection YC3 con-
engine controller nector of the engine controller PWB (KP-
PWB (KP-1054) 1054), if there is trouble, remedy or replace.
and LED print
heads relay PWB
(KP-1048) or poor
contact of the con-
nector terminals.
Defective harness Check the connection of the cyan drum unit
between drum and the printer main unit, check the continu-
PWB 2 (KP-972) ity of the harness (S02867), if there is trou-
and printer main ble, remedy or replace.
unit or poor contact
of the connector
terminals.
Defective drum Replace the drum PWB 2 (KP-972).
PWB 2 (KP-972).
Defective engine Replace the engine controller PWB (KP-
controller PWB 1054). See page 1-6-25.
(KP-1054).
Defective LED print Replace the LED print heads relay PWB
heads relay PWB (KP-1048). See page 1-6-28.
(KP-1048).
Defective harness Check the continuity of the harness
(S02869) between (S02869), check the connection YC3 con-
engine controller nector of the engine controller PWB (KP-
PWB (KP-1054) 1054), if there is trouble, remedy or replace.
and LED print
heads relay PWB
(KP-1048) or poor
contact of the con-
nector terminals.
Remarks
FS-C5016N
1-5-15