2HJ/2HK
1-4-18
7404
Yellow developer unit non- installing
error
The toner sensor 3 inside the yellow
developer unit did not output the density
detection signal, judged the engine con-
troller PWB (A0004) the yellow devel-
oper unit is not installed.
Defective harness
of the toner sensor
3, defective con-
nection of the con-
nector between
yellow developer
unit and the printer
main unit or poor
contact of the con-
nector terminals.
Check the damage of harness of the toner
sensor 3, check the connection of the con-
nector with the yellow developer unit and the
printer main unit, if there is trouble, remedy
or replace.
Defective toner
sensor 3.
Replace the yellow developer unit. See page
1-5-12.
Defective engine
controller PWB
(A0004).
Replace the engine controller PWB (A0004).
See page 1-5-41.
Defective engine
relay PWB (A0009).
Replace the engine relay PWB (A0009).
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.
The incompatible drum unit is installed
to the printer.
Defective harness
between drum PWB
4 (KP-972) and
printer main unit or
poor contact of the
connector termi-
nals.
Check the connection of the black drum unit
and the printer main unit, check the continu-
ity of the harness (S03211), if there is trou-
ble, remedy or replace.
Installing the drum
unit, which is
incompatible with
the printer specifi-
cation.
Install the compatible drum unit to the
printer.
Defective drum
PWB 4 (KP-972).
Replace the drum PWB 4 (KP-972).
Defective engine
controller PWB
(A0004).
Replace the engine controller PWB (A0004).
See page 1-5-41.
Defective LED print
heads relay PWB
(A0176).
Replace the LED print heads relay PWB
(A0176). See page 1-5-44.
Defective harness
(S03214) between
engine controller
PWB (A0004) and
LED print heads
relay PWB (A0176)
or poor contact of
the connector termi-
nals.
Check the continuity of the harness
(S03214), check the connection YC3 con-
nector of the engine controller PWB
(A0004), if there is trouble, remedy or
replace.
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Downloaded from
www.Manualslib.com
manuals search engine
Содержание FS-C5015N
Страница 4: ...This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 10: ...This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 14: ...This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 22: ...2HJ 2HK 1 1 8 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 34: ...2HJ 2HK 1 2 12 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 140: ...2HJ 2HK 1 6 4 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 170: ...2HJ 2HK 2 1 30 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 174: ...2HJ 2HK 2 2 4 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 190: ...2HJ 2HK 2 4 6 This page is intentionally left blank Downloaded from www Manualslib com manuals search engine ...
Страница 191: ...Downloaded from www Manualslib com manuals search engine ...
Страница 192: ...Downloaded from www Manualslib com manuals search engine ...