2FD/2FF/2FG
1-5-30
Code
Contents
Remarks
Causes
Check procedures/corrective measures
*: Optional
C5300
C6000
C6020
C6050
Broken cleaning lamp wire
While the cleaning lamp is on, the bro-
ken cleaning lamp wire detection signal
is detected for 2 s continuously.
Broken fixing heater wire
• When the power is turned on or at the
start of fixing control from the sleep
mode, 10 s after fixing heater M is
turned on, the detected temperature
of fixing thermistor 2 is lower than 40
°C/104 °F.
• When the power is turned on or at the
start of fixing control from the sleep
mode, 7 s after fixing heater S is
turned on, the detected temperature
of fixing thermistor 1 is lower than 40
°C/104 °F.
• During standby, the detected
temperatures of fixing thermistors 1
and 2 become lower than 60 °C/140
°F.
Abnormally high fixing unit thermis-
tor temperature
• Fixing thermistor 1 detects
temperature 250 °C/482 °F or higher.
• Fixing thermistor 2 detects
temperature 210 °C/410 °F or higher.
Abnormally low fixing unit thermis-
tor temperature
• When only fixing heater M is on, fixing
thermistor 2 detects temperature
lower than 80 °C/176 °F during
copying.
• When fixing heater M and fixing
heater S are on, fixing thermistor 2
detects temperature lower than 80 °C/
176 °F or fixing thermistor 1 detects
temperature lower than 100 °C/212 °F
during copying.
Defective cleaning
lamp.
Defective main
PCB.
Poor contact in
the fixing unit
thermistor 1 or 2
connector
terminals.
Fixing unit ther-
mistor 1 or 2
installed
incorrectly.
Fixing unit ther-
mostat triggered.
Fixing unit heater
M or S installed
incorrectly.
Broken fixing unit
heater M or S
wire.
Shorted fixing unit
thermistor 1 or 2.
Broken fixing unit
heater control cir-
cuit on the power
source PCB.
Poor contact in
the fixing unit
thermistor con-
nector terminals.
Broken fixing unit
thermistor wire.
Fixing unit ther-
mistor installed
incorrectly.
Fixing unit ther-
mostat triggered.
Fixing unit heater
M or S installed
incorrectly.
Broken fixing unit
heater M or S
wire.
Replace the cleaning lamp.
Replace the main PCB and check for cor-
rect operation.
Check the connection of connector YC10
on the main PCB and the continuity across
the connector terminals. Repair or replace
if necessary.
Check and reinstall if necessary.
Check for continuity. If none, replace the
fixing unit thermostat.
Check and reinstall if necessary.
Check for continuity. If none, replace the
fixing unit heater M or S (see page 1-6-38).
Measure the resistance. If it is 0
Ω
, replace
the fixing unit thermistor 1 or 2.
Replace the power source PCB.
Check the connection of connector YC10
on the main PCB and the continuity across
the connector terminals. Repair or replace
if necessary.
Measure the resistance. If it is
∞ Ω
, replace
the fixing unit thermistor.
Check and reinstall if necessary.
Check for continuity. If none, replace the
fixing unit thermostat.
Check and reinstall if necessary.
Check for continuity. If none, replace the
fixing unit heater M or S.
Содержание d-Copia 300
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