2FT-1
1-4-28
U101
Setting the developing bias
1. Select the item to be set using the up/down cursor keys.
2. Change the setting using the left/right cursor keys.
Increasing the BIAS setting makes the image lighter; decreasing it makes the image darker.
Increasing the DUTY setting makes the image lighter; decreasing it makes the image darker.
3. Press the start key. The value is set.
Setting the transfer voltage
1. Select the item to be set using the up/down cursor keys.
2. Change the setting using the left/right cursor keys.
3. Press the start key. The value is set.
Setting the separation voltage
1. Select the item to be set using the up/down cursor keys.
2. Change the setting using the left/right cursor keys.
3. Press the start key. The value is set.
Interrupt copy mode
While this maintenance item is being performed, copying from an original can be made in interrupt copy
mode.
1. Press the interrupt key. The machine enters the interrupt copy mode.
2. Set the original and press the strat key.
To return to the screen for setting, press the interrupt key.
Completion
Press the stop/clear key at the screen for selecting an item. The screen for maintenance item No. is dis-
played.
U110
Checking/clearing the drum count
Description
Displays the drum counts for checking, clearing the figure.
Purpose
To check the drum status. Also used to clear the count after replacing the durm during regular maintenance.
Since the count was cleared before shipping, do not clear it when installing. A drum count value less than
150K, however, cannot be cleared.
Method
1. Press the start key. The drum counter count is displayed.
2. Select the CLEAR using the up/down cursor keys. If the counter value is 150K or less, CLEAR is not dis-
played.
3. Press the start key. The count is cleared, and the screen for selecting a maintenance item No. is dis-
played.
Completion
To exit the maintenance mode without changing the count, press the stop/clear key. The screen for selecting a
maintenance item No. is displayed.
Maintenance
item No.
Description
Display Description Setting range Initial setting
BIAS Developing bias clock frequency 2 to 255 25
DUTY Developing bias clock duty 1 to 99 50
DEV DATA Developing bias control voltage 0 to 255 98
Display Description
Setting range Initial setting
TC DATA1 Transfer control voltage (large size)
0 to 255 155
TC DATA2 Transfer control voltage (small size)
0 to 255 166
OFF TIMING Transfer charging output OFF timing
0 to 255 29
ON TIMING Transfer charging output ON timing
0 to 255 28
Display Description Setting range Initial setting
SC SEL Separation control voltage 0 to 2 1
ON TIMING Separation charging output ON timing 0 to 255 27
OFF TIMING Separation charging output OFF timing 0 to 255 38
SC MODE 0: Separation charging output is all over a paper
1: Separation charging output is only for the
leading edge and trailing edge of a paper.
0 / 1 0
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