2PR
1-4-23
7402
Developing unit C non-installing error
The EEPROM of the developing PWB C
does not communicate normally.
Incompatible developing unit C is
installed.
Faulty connection
of the connector
between the devel-
oping PWB C and
drum relay PWB.
Check the installation of the developing unit
C and drum relay PWB and reinstall them if
necessary (See page 1-5-12).
Defective harness
between drum
relay PWB (YC2)
and engine PWB
(YC619), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Installation of
incompatible
developing unit C.
Install developing unit C compatible with the
specifications to the printer.
Defective toner
sensor C.
Replace the developing unit C (See page 1-
5-12).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
28).
7403
Developing unit M non-installing error
The EEPROM of the developing PWB M
does not communicate normally.
Incompatible developing unit M is
installed.
Faulty connection
of the connector
between the devel-
oping PWB M and
drum relay PWB.
Check the installation of the developing unit
M and drum relay PWB and reinstall them if
necessary (See page 1-5-12).
Defective harness
between drum
relay PWB (YC2)
and engine PWB
(YC619), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Installation of
incompatible
developing unit M.
Install developing unit M compatible with the
specifications to the printer.
Defective toner
sensor M.
Replace the developing unit M (See page 1-
5-12).
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
28).
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Содержание ECOSYS P7035cdn
Страница 1: ...SERVICE MANUAL Published in May 2014 842PR111 2PRSM061 Rev 1 ECOSYS P7035cdn...
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Страница 14: ...2PR This page is intentionally left blank...
Страница 20: ...2PR 1 1 6 This page is intentionally left blank...
Страница 28: ...2PR 1 2 8 This page is intentionally left blank...
Страница 48: ...2PR 1 3 20 This page is intentionally left blank...
Страница 154: ...2PR 2 1 20 This page is intentionally left blank...
Страница 171: ...2PR 2 3 11 2 3 3 Paper exit PWB Figure 2 3 3 Paper exit PWB silk screen diagram PH1 YC4 YC3 YC2 YC6 YC5 YC7 YC8 YC1...
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