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1st Transfer Section Main Unit Theory of Operation
2-46
II Composition/Operation
D. 1st Transfer Belt backward rotation execution conditions
• After the lapse of a predetermined period of time after the Transfer Unit stop sequence.
• A predetermined number of printed pages are produced after the execution of the last
backward rotation control.
E. 1st Transfer Belt backward rotation operation
1. The machine remains in the standby state for a predetermined period of time after the
Transfer Unit has been brought to a stop.
2. After the lapse of another predetermined period of time, the Intermediate Transport
Motor (M3) is turned backward for a predetermined period of time.
3. After the Transfer Belt has been turned backward, the machine remains in the standby
state for a predetermined period of time.
8.3.6 Toner Collecting Port Shutter mechanism
• A dual-shutter mechanism is provided to prevent waste toner from being spilled from the
Toner Collecting Port when the Waste Toner Box is removed and reinstalled.
1. Placing the Lock Lever of the Waste Toner Box in the “locked” position (the 9 o'clock
position) closes the First Shutter of the Toner Collecting Port.
2. Removing the Waste Toner Box closes the Second Shutter.
☞ 2-57
4138to2040c0
4138to2043c0
First Shutter
Second Shutter
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