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

FS-C5016N
Code
0951 LED print head memory PWB 4 com-
munication error (black drum unit)
• The LED print head memory PWB 4
(KP-1040) which is attached to the
LED print head 4 of the Black drum
unit does not communicate with the
engine controller PWB (KP-1054) nor-
mally.
0952 LED print head memory PWB 2 com-
munication error (cyan drum unit)
• The LED print head memory PWB 2
(KP-1040) which is attached to the
LED print head 2 of the cyan drum unit
does not communicate with the engine
controller PWB (KP-1054) normally.
1-5-4
Contents
Causes Check procedures/corrective measures
Defective LED print Replace the LED print head 4 of black drum
head memory unit. See page 1-6-13.
PWB 4 (KP-1040).
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
(S02866) between (S02866), check the insertion of YC3 of the
engine controller engine controller PWB (KP-1054), if there is
PWB (KP-1054) 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 connector with
(S02866) between the black drum unit and the printer main unit,
LED print head check the continuity of the harness
memory PWB 4 (S02866), check the connection of the LED
(KP-1040) and print head memory PWB 4 (KP-1040), if
LED print heads there is trouble, remedy or replace.
relay PWB (KP-
1048), or poor con-
tact of the connec-
tor terminals.
Defective LED print Replace the LED print head 2 of cyan drum
head memory unit. See page 1-6-13.
PWB 2 (KP-1040).
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
(S02866) between (S02866), check the insertion of YC3 of the
engine controller engine controller PWB (KP-1054), if there is
PWB (KP-1054) 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 connector with
(S02866) between the cyan drum unit and the printer main unit,
LED print head check the continuity of the harness
memory PWB 2 (S02866), check the connection of the LED
(KP-1040) and print head memory PWB 2 (KP-1040), if
LED print heads there is trouble, remedy or replace.
relay PWB (KP-
1048), or poor con-
tact of the connec-
tor terminals.
Remarks