Olivetti d-Copia 300, Руководство по обслуживанию

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2FD/2FF/2FG
1-5-50
Problem Causes Check procedures/corrective measures
(25)
The toner feed sole-
noid does not
operate.
(26)
The cleaning lamp
does not turn on.
(27)
The exposure lamp
does not turn on.
(28)
The exposure lamp
does not turn off.
(29)
The fixing heater
does not turn on
(C6000).
(30)
The fixing heater
does not turn off.
(31)
Main charging is not
performed.
Broken toner feed solenoid
coil.
Poor contact in the toner
feed solenoid connector
terminals.
Defective main PCB.
Poor contact in the clean-
ing lamp connector termi-
nals.
Defective cleaning lamp.
Defective main PCB.
Poor contact in the expo-
sure lamp connector termi-
nals.
Defective inverter PCB.
Defective scanner drive
PCB.
Defective main PCB.
Defective inverter PCB.
Defective scanner drive
PCB.
Broken wire in fixing
heater M or S.
Fixing unit thermostat trig-
gered.
Broken fixing unit thermis-
tor wire.
Dirty sensor part of the
fixing unit thermistor.
Broken main charger wire.
Leaking main charger
housing.
Poor contact in the high-
voltage transformer PCB
connector terminals.
Defective main PCB.
Defective high- voltage
transformer PCB.
Check for continuity across the coil. If none, replace the toner
feed solenoid.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U033 and check if YC9-B2 on the main
PCB goes low. If not, replace the main PCB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Check for continuity. If none, replace the cleaning lamp.
If the cleaning lamp turns on when YC9-B7 on the main PCB is
held low, replace the main PCB.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Run maintenance item U061 and check if the exposure lamp
turns on with CN1-1 and CN1-2 on the inverter PCB go low. If
not, replace the inverter PCB.
Run maintenance item U061 and check if the exposure lamp
turns on with YC1-3 on the scanner drive PCB goes low. If not,
replace the scanner drive PCB.
Run maintenance item U061 and check if YC37-3 on the main
PCB goes low. If not, replace the main PCB.
If the exposure lamp does not turn off with CN1-1 and CN1-2 on
the inverter PCB high, replace the inverter PCB.
If YC1-3 on the scanner drive PCB are always low, replace the
scanner drive PCB.
Check for continuity across each heater. If none, replace the
heater M or S.
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 ther-
mistor.
Check visually and clean the thermistor sensor parts.
See page 1-5-39.