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General Procedures and Information
WorkCentre 3119
06/06
6-11
Transfer Assembly
This consists of the PTL (pre-transfer lamp) and the Transfer Roller. The PTL shines a light onto
the OPC drum.
This lowers the charge on the drum’s surface and improves transfer efficiency.
The transfer roller transfers toner from the OPC drum surface to the paper.
•
Life expectancy: Over 50,000 sheets (at 15-30
o
C)
Drive Assembly
A gear driven power unit. The motor supplies power to the paper feed unit, the fuser unit, and the
toner cartridge.
Fixing Part (Fuser)
The Fuser consists of the Heat Lamp, Heat Roller, Pressure Roller, Thermistor, and Thermostat.
It fixes toner to the paper using pressure and heat to complete the printing job.
Heat Lamp power cut-off (Thermostat)
The thermostat is a temperature sensing device, which cuts off the power to the heat lamp to pre-
vent overheating fire when the heat lamp or heat roller overheats.
Temperature Detecting Sensor (Thermistor)
The Thermistor detects the surface temperature of the heat roller, this information is sent to the
main processor which uses this information to regulate the temperature of the heat roller.
Heat Roller
The surface of the Heat Roller is heated by the Heat Lamp. As the paper passes between the Heat
and Pressure rollers the toner is melted and fixed permanently to the paper. The surface of the
roller is coated with Teflon. This ensures that toner does not adhere to the roller surface.
Pressure roller
The Pressure Roller mounted under the heat roller is made of a silicon resin and the surface of
the roller is coated with Teflon. This ensures that toner does not adhere to the roller surface.
Safety Features
To prevent overheating
- 1st protection device: Hardware cuts off when overheated.
- 2nd protection device: Software cuts off when overheated.
- 3rd protection device: Thermostat cuts off mains power to the lamp.
Safety device
- Fuser power is cut off when the front cover is opened.
- LSU power is cut off when the front cover is opened.
- The temperature of the fuser cover's surface is maintained at less than 80°C to protect the
user and a caution label is attached where the customer can see it easily when the rear cover
is opened.
Содержание WorkCentre 3119
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Страница 92: ...Spare Parts List 5 2 06 06 WorkCentre 3119 PL 1 Main Assembly ...
Страница 94: ...Spare Parts List 5 4 06 06 WorkCentre 3119 PL 2 Housing Base Assembly ...
Страница 96: ...Spare Parts List 5 6 06 06 WorkCentre 3119 PL 3 Frame Assembly 1 ...
Страница 98: ...Spare Parts List 5 8 06 06 WorkCentre 3119 PL 4 Frame Assembly 2 ...
Страница 100: ...Spare Parts List 5 10 06 06 WorkCentre 3119 PL 5 Fuser Unit ...
Страница 102: ...Spare Parts List 5 12 06 06 WorkCentre 3119 PL 6 Drive Assembly ...
Страница 104: ...Spare Parts List 5 14 06 06 WorkCentre 3119 PL 7 Scan Assembly ...
Страница 106: ...Spare Parts List 5 16 06 06 WorkCentre 3119 PL 8 OPE Assembly ...
Страница 108: ...Spare Parts List 5 18 06 06 WorkCentre 3119 PL 9 Cassette Assembly ...
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Страница 118: ...General Procedures and Information 6 8 06 06 WorkCentre 3119 GP 2 System Overview System Outline Front View Figure 1 ...
Страница 119: ...General Procedures and Information WorkCentre 3119 06 06 6 9 Rear view Figure 2 Control panel Figure 3 ...
Страница 125: ...General Procedures and Information WorkCentre 3119 06 06 6 15 Main Control ASIC Figure 8 ...
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Страница 165: ...Wiring Diagrams WorkCentre 3119 06 06 7 3 WD 1 PJ Locations Figure 1 ...
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Страница 168: ...Wiring Diagrams 7 6 06 06 WorkCentre 3119 WD 4 Main PBA 1 6 Figure 4 ...
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Страница 174: ...Wiring Diagrams 7 12 06 06 WorkCentre 3119 WD 10 OPE PBA Figure 10 ...
Страница 175: ...Wiring Diagrams WorkCentre 3119 06 06 7 13 WD 11 SMPS 110V 1 4 Figure 11 ...
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