![Royal Copystar Ri 4230 Скачать руководство пользователя страница 526](http://html.mh-extra.com/html/royal-copystar/ri-4230/ri-4230_service-manual_1494519526.webp)
2A3/4
3-6-81
Defective inverter
PCB.
Defective scanner
motor PCB.
Broken wire in fix-
ing heater M or S.
Fixing unit
thermostat trig-
gered.
Broken fixing unit
thermistor wire.
Dirty sensor part of
the fixing unit ther-
mistor.
Defective engine
PCB.
Broken main
charger wire.
Leaking main
charger housing.
Poor contact in the
high-voltage
transformer PCB
connector
terminals.
Defective main
PCB.
Defective engine
PCB.
Defective high-
voltage trans-
former PCB.
If the exposure lamp does not turn off with
CN1-5 and CN1-6 on the inverter PCB high,
replace the inverter PCB.
If CN3-1 and CN3-2 on the scanner motor
PCB are always low, replace the scanner
motor PCB.
Check for continuity across each heater. If
none, replace the heater (see page 3-3-63).
Check for continuity across thermostat. If
none, remove the cause and replace the
thermostat.
Measure the resistance. If it is
∞
Ω
, replace
the fixing unit thermistor.
Check visually and clean the thermistor sen-
sor parts.
If fixing heater M/S stays on while CN6-7
and CN6-8 on the engine PCB go high,
replace the engine PCB.
See page 3-6-5.
Problem
Causes
Check procedures/corrective measures
(28)
The exposure
lamp does not
turn off.
(29)
Fixing heater
M or S does
not turn on
(C620).
(30)
Fixing heater
M or S does
not turn off
(fixing unit
thermostat
triggered;
C620).
(31)
Main charging
is not per-
formed
(C510).
Содержание Ri 4230
Страница 1: ...4230 5230 S M MCA SERVICE MANUAL Published in June 00 2A370941 Revision 1 Ri 4230 5230 Ri 4230 5230 ...
Страница 3: ...SERVICE MANUAL Ri 4230 5230 ...
Страница 13: ...4230 5230 S M MCA THEORY AND CONSTRUCTION SECTION I I Theory and Construction Section ...
Страница 14: ...1 1 5 2A3 4 CONTENTS 1 1 Specifications 1 1 1 Specifications 1 1 1 ...
Страница 21: ...1 1 7 2A3 4 CONTENTS 1 2 Handling Precautions 1 2 1 Drum 1 2 1 1 2 2 Developer and toner 1 2 1 ...
Страница 100: ...4230 5230 S M MCA ELECTRICAL SECTION II II Electrical Section ...
Страница 119: ......
Страница 138: ......
Страница 159: ...4230 5230 S M MCA III Set Up and Adjustment Section III SET UP AND ADJUSTMENT SECTION ...
Страница 419: ...1 1 25 2A3 4 CONTENTS 3 5 Self Diagnosis 3 5 1 Self diagnosis 3 5 1 1 Self diagnostic function 3 5 1 ...
Страница 448: ...2A3 4 3 6 3 25 Toner scatters at the leading edge of the image See page 3 6 17 ...