14. Service call message
Field Service Ver. 1.0 May 2006
188
magicolor 7450
T
roubleshooting
0501
Fusing Pressure Roller warm-up
failure
• The Fusing Pressure Roller Thermistor/1 (TH2) fails to
raise a given degree of temperature even after the lapse
of a given period of time after the Fusing Pressure Heater
Lamp (H3) is turned ON.
• The detected temperature of the Fusing Pressure Roller
Thermistor/1 (TH2) is lower for a given level of degree
than one of the Heating Roller Thermistor/1 (TH1) after
the Front Door is opened or closed, the Main Power
Switch is turned ON or TROUBLE RESET is imple-
mented.
0510
Abnormally low Heating Roller
temperature
• The temperature of the Heating Roller Thermistor/1
(TH1) is lower than a given level of degree for 1 second
or more uninterruptedly during Ready mode, Low Power
mode or printing.
• The temperature of the Heating Roller Thermistor/2
(TH3) is lower than a given level of degree for 1 second
or more uninterruptedly during Ready mode, Low Power
mode or printing.
0511
Abnormally low Fusing
Pressure Roller temperature
• The temperature of the Fusing Pressure Roller Ther-
mistor /1 (TH2) is lower than a given level of degree for 1
second or more uninterruptedly during Ready mode, Low
Power mode or printing.
0520
Abnormally high Heating Roller
temperature
• The temperatures of the Heating Roller Thermistor/1
(TH1) and the Heating Roller Thermistor/2 (TH3) are
higher than a given level of degree for 1 second or more
uninterruptedly.
• The Heater Relay is OFF.
0521
Abnormally high Fusing
Pressure Roller temperature
• The temperature of the Fusing Pressure Roller Ther-
mistor/1 (TH2) is higher than a given level of degree for 1
second or more uninterruptedly before the Heater tem-
perature control starts.
• The temperature of the Fusing Pressure Roller Ther-
mistor/1 (TH2) is higher than a given level of degree for 1
second or more uninterruptedly after the Heater tempera-
ture control starts.
0900
Tray 4 Elevator failure
• The Lift-Up Sensor is not blocked even after the lapse of
a given period of time after the lifting motion has been
started.
0910
Tray 3 Elevator failure
• The Lift-Up Sensor is not blocked even after the lapse of
a given period of time after the lifting motion has been
started.
0950
Tray 5 Elevator failure
• The Lift-Up Sensor is not blocked even after the lapse of
a given period of time after the lifting motion has been
started.
Code
Item
Description
Summary of Contents for magicolor 7450
Page 1: ...SERVICE MANUAL 2006 05 2006 05 Ver 1 0 Ver 1 0 FIELD SERVICE magicolor 7450 magicolor 7450 ...
Page 3: ...ii Blank Page ...
Page 26: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Main Unit magicolor 7450 magicolor 7450 ...
Page 43: ...2 Product specifications Field Service Ver 1 0 May 2006 6 magicolor 7450 General Blank Page ...
Page 288: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Lower Feeder Unit ...
Page 317: ...3 Other Field Service Ver 1 0 May 2006 26 Lower Feeder Unit Maintenance Blank Page ...
Page 328: ...SERVICE MANUAL 2006 05 Ver 1 0 FIELD SERVICE Duplex Option ...
Page 333: ...1 Product specifications Field Service Ver 1 0 May 2006 2 Duplex Option General Blank Page ...
Page 345: ...6 Jam Display Field Service Ver 1 0 May 2006 14 Duplex Option Troubleshooting Blank Page ...