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2nd Transfer Section Main Unit Theory of Operation
2-54
II Composition/Operation
9.2.8 2nd Transfer Roller cleaning operation timing
• The 2nd Transfer Roller cleaning sequence is carried out after the Intermediate Transfer
Belt has been cleaned during recovery from a media misfeed or malfunction.
• The cleaning sequence is carried out if 100 printed pages are produced after the last
cleaning sequence.
• The cleaning sequence is carried out when a media size error occurs.
1. The 2nd Transfer Roller is pressed.
2. The 2nd transfer bias voltage of reverse polarity is applied for the period of time corre-
sponding to one revolution of the 2nd Transfer Roller.
3. The 2nd transfer bias voltage of forward polarity is applied for the period of time corre-
sponding to one revolution of the 2nd Transfer Roller.
4. Steps 2 and 3 are repeated five times.
5. The 2nd Transfer Roller is retracted.
2nd Transfer Roller
2nd transfer bias (reverse polarity)
2nd transfer bias (forward polarity)
Pressed Retracted
4138to2148e0
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