Kyocera TASKalfa 620 Service Manual page 80

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Setting the other high voltages

Sets the developing bias control voltage, the transfer control voltage, and the reverse transfer bias control

voltage or checks the output of these voltages.

To check or change the developing bias, the transfer voltage, and the reverse transfer bias voltage.

Press the start key. The screen for selecting an item is displayed.

DEV BIAS SET

1. Select the item to be set.

2. Change the setting using the * or # keys.

3. Press the start key. The value is set.

PTC section operation check

1. Select PTC TEST at the screen for selecting an item.

2. Press the start key.

Drive motor, transfer motor and developing motor are turned on, and then cleaning lamp and PTC unit is

While this maintenance item is being executed, copying from an original is available in the interrupt copying

Press the stop/clear key at the screen for selecting an item. The screen for maintenance item No. is dis-

Developing bias control voltage

Transfer control voltage

Reverse transfer control voltage

VPP setting value

PTC section operation check

185 (82 cpm)

135 (62 cpm)

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Taskalfa 820