Pcu (Photoconductor Unit); Overview - Ricoh A193 Service Manual

4. PCU (PHOTOCONDUCTOR UNIT)

4.1 OVERVIEW

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The PCU consists of the components shown in the above illustration. An
organic photoconduntor (OPC) drum (diameter: 30 mm) is used in this
machine.
1. OPC Drum (CW)
2. Doctor Blade
3. Developer Cartridge
4. TD Sensor
5. Mixing Auger 1
6. Mixing Auger 2
7. Development Roller
The output of the humidity sensor is used for toner density control processing.
SM
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8. Toner Collection Coil (CCW)
9. Cleaning Blade
10. Charge Roller Thermistor
11. Charge Roller (CCW)
(CCW) 12. Charge Roller Cleaning Pad
(CCW) 13. Humidity Sensor
(CCW)
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PCU (PHOTOCONDUCTOR UNIT)
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A193D010.wmf
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(A193)