2PR
1-4-22
7004
Toner motor Y error
When the toner motor Y is driven, the
toner motor Y over-current detection sig-
nal is detected continuously for 50 times
(5 s) at 100 ms intervals.
Defective harness
between toner
motor Y and
engine PWB
(YC23), or
improper connec-
tor insertion.
Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
Defective drive
transmission
system of the toner
motor Y.
Check if the gears rotate smoothly. If not,
grease the bushings and gears. Check for
broken gears and replace if any.
Defective toner
motor Y.
Replace the toner motor Y.
Defective engine
PWB.
Replace the engine PWB (See page 1-5-
28).
7401
Developing unit K non-installing error
The EEPROM of the developing PWB K
does not communicate normally.
Incompatible developing unit K is
installed.
Faulty connection
of the connector
between the devel-
oping PWB K and
drum relay PWB.
Check the installation of the developing unit
K 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 K.
Install developing unit K compatible with the
specifications to the printer.
Defective toner
sensor K.
Replace the developing unit K (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 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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