Develop QC 2235 Plus Service Manual page 103

QC 2235plus Theory of Operation Ver.1.0 Mar. 2004
Key Name
Heating Roller Thermistor/2
[9]
(TH2)
Heating Roller Heater Lamp/
[10]
1 (H1)
Heating Roller Heater Lamp/
[11]
2 (H2)
[12] Heating Roller
Heating Roller Thermostat
[13]
(TS1)
16.2 Drive
[4]
[1] Fusing Pressure Roller Pressure/Retraction Motor (M19)
[2] Fusing Pressure/Retraction Sensor (PC33)
[3] Fusing Retraction Position Sensor (PC34)
Function/System
• Controls the temperature of the Heating Roller
• Positioned in a contact fashion (at the front of the Heating Roller
inside the Fusing Belt)
• Heats the Heating Roller
• For large-sized paper (having a CD width of 216 mm or more)
• Heater Lamp: 1000 W
• Heats the Heating Roller
• For small-sized paper (having a CD width of less than 216 mm)
• Heater Lamp: 790 W
• Heated to a predetermined temperature by the Heater Lamps
provided inside
• Gives heat to the Fusing Belt
• Detects an abnormally high temperature of the Heating Roller
• Positioned in a non-contact fashion (to prevent the Fusing Belt
from being damaged)
[1]
[3]
2-73
Fusing section
[5]
[4] Fusing Drive Motor (M2)
[5] Pressure Roller
[2]
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