Olivetti d-Copia 600, Руководство по обслуживанию

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1-5-65
(43)
The duplex feedshift
solenoid does not
operate. Broken duplex feedshift
solenoid coil. Check for continuity across the coil. If none, replace the duplex
feedshift solenoid.
Poor contact in the duplex
feedshift solenoid connec-
tor terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective duplex PWB. Run maintenance item U033 and check if YC7-19 and YC7-21 on
the duplex PWB go low. If not, replace the duplex PWB.
(44)
The duplex switch-
back solenoid does
not operate. Broken duplex switchback
solenoid coil. Check for continuity across the coil. If none, replace the duplex
switchback solenoid.
Poor contact in the duplex
switchback solenoid con-
nector terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective duplex PWB. Run maintenance item U033 and check if YC7-14 and YC7-16 on
the duplex PWB go low. If not, replace the duplex PWB.
(45)
The cleaning lamp
does not turn on. Poor contact in the cleaning
lamp connector terminals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective cleaning lamp. Check for continuity. If none, replace the cleaning lamp.
Defective engine PWB. If the cleaning lamp turns on when YC5-5 on the engine PWB is
held low, replace the engine PWB.
(46)
The exposure lamp
does not turn on. Poor contact in the expo-
sure lamp connector termi-
nals. Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective scanner PWB. Run maintenance item U061 and check if YC4-3 on the scanner
PWB goes low. If not, replace the scanner PWB.
(47)
The exposure lamp
does not turn off. Defective scanner PWB. If YC4-3 on the scanner PWB is always low, replace the scanner
PWB.
(48)
The fuser heater
lamp M, S or L does
not turn on. Broken wire in fuser heater
lamp M, S or L. Check for continuity across each heater lamp. If none, replace the
fuser heater lamp M, S or L.
Fuser thermostat triggered. Check for continuity across thermostat. If none, remove the cause
and replace the fuser thermostat.
(49)
The fuser heater
lamp M, S or L does
not turn off. Broken fuser thermistor M
or S wire.
Measure the resistance. If it is
∞Ω
, replace the fuser thermistor M
or S.
Dirty sensor part of the
fuser thermistor M or S. Check visually and clean the fuser thermistor M or S sensor parts.
(50)
No main charging. Poor insertion main charger
unit. See 1-5-49.
Broken main charger wire.
Leaking main charger hous-
ing.
Faulty connection of con-
nector of high voltage PWB.
Defective engine PWB.
Defective high voltage
PWB.
Problem Causes Check procedures/corrective measures
Y104350-7 Sevice Manual