2HJ/2HK
1-4-17
7402
Cyan developer unit non- installing
error
The toner sensor 2 inside the cyan
developer unit did not output the density
detection signal, judged the engine con-
troller PWB (A0004) the cyan developer
unit is not installed.
Defective harness
of the toner sensor
2, defective con-
nection of the con-
nector between
cyan developer
unit and the printer
main unit or poor
contact of the con-
nector terminals.
Check the damage of harness of the toner
sensor 2, check the connection of the con-
nector with the cyan developer unit and the
printer main unit, if there is trouble, remedy
or replace.
Defective toner
sensor 2.
Replace the cyan 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).
7403
Magenta developer unit non- install-
ing error
The toner sensor 1 inside the magenta
developer unit did not output the density
detection signal, judged the engine con-
troller PWB (A0004) the magenta devel-
oper unit is not installed.
Defective harness
of the toner sensor
1, defective con-
nection of the con-
nector between
magenta developer
unit and the printer
main unit or poor
contact of the con-
nector terminals.
Check the damage of harness of the toner
sensor 1, check the connection of the con-
nector with the magenta developer unit and
the printer main unit, if there is trouble, rem-
edy or replace.
Defective toner
sensor 1.
Replace the magenta 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).
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Summary of Contents for CLP3316
Page 1: ...Service Manual Color Printer CLP 3316 CLP 3520 X First Edition Date 24 10 2006 2HKSM060 ...
Page 2: ...Service Manual Color Printer CLP 4316 CLP 4520 X First Edition Date 24 10 2006 2HKSM060 ...
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Page 20: ...2HJ 2HK 1 1 8 This page is intentionally left blank ...
Page 32: ...2HJ 2HK 1 2 12 This page is intentionally left blank ...
Page 138: ...2HJ 2HK 1 6 4 This page is intentionally left blank ...
Page 168: ...2HJ 2HK 2 1 30 This page is intentionally left blank ...
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