Ricoh 002052MIU User Guide - Page 132

System Layout, 2.1 Feeding Transfer Assembly

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SYSTEM LAYOUT 6.2 SYSTEM LAYOUT 6.2.1 FEEDING SECTION The universal cassette automatically moves paper to the manual feeder. The machine will then feed the paper, one sheet at a time. The cassette has these: • Friction pad to separate paper. • Sensor to check for loaded paper in the cassette. • Feed Method: Universal cassette type • Feed Standard: Center load • Feed capacity: Cassette -250 sheets (75g/m2, 20 lb paper standard) Manual - 1 sheet (Paper, OHP, Envelope, etc.) • Paper detect sensor: Photo sensor • Paper size sensor: None 6.2.2 TRANSFER ASSEMBLY This unit has a PTL (pre-transfer lamp: also known as the quenching lamp) and the transfer roller. The PTL sends light to the OPC drum. The light lowers the current on the drum surface and improves the transfer efficiency. The transfer roller moves the toner from the OPC drum surface to the paper. 6.2.3 DRIVER ASSEMBLY The main motor driver controls the main motor. The main motor provides drive to the feeding unit, the fusing unit, and the distributing unit. B173 6-2 SM

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SYSTEM LAYOUT
B173
6-2
SM
6.2 SYSTEM LAYOUT
6.2.1 FEEDING SECTION
The universal cassette automatically moves paper to the manual feeder. The
machine will then feed the paper, one sheet at a time. The cassette has these:
•
Friction pad to separate paper.
•
Sensor to check for loaded paper in the cassette.
•
Feed Method: Universal cassette type
•
Feed Standard: Center load
•
Feed capacity: Cassette -250 sheets (75g/m2, 20 lb paper standard)
Manual - 1 sheet (Paper, OHP, Envelope, etc.)
•
Paper detect sensor: Photo sensor
•
Paper size sensor: None
6.2.2 TRANSFER ASSEMBLY
This unit has a PTL (pre-transfer lamp: also known as the quenching lamp) and the
transfer roller. The PTL sends light to the OPC drum. The light lowers the current
on the drum surface and improves the transfer efficiency.
The transfer roller moves the toner from the OPC drum surface to the paper.
6.2.3 DRIVER ASSEMBLY
The main motor driver controls the main motor. The main motor provides drive to
the feeding unit, the fusing unit, and the distributing unit.